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Artykuły w czasopismach na temat „Thermal Properties of Methyl-2-Naphthyl Ether”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Kawaguchi, Satoshi, and Atsushi Morikawa. "Preparation of poly(ether ketone)s having phenyl, biphenyl, and terphenyl side groups and comparison of their properties." High Performance Polymers 30, no. 1 (2016): 67–75. http://dx.doi.org/10.1177/0954008316679493.

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Three kinds of bis(aromatic fluoride) compounds, 3,5-bis(4-fluorobenzoyl)biphenyl (1), 3,5-bis(4-fluorobenzoyl)-1,1′:4′,1″-terphenyl (2), and 3,5-bis(4-fluorobenzoyl)-1,1′:4′,1″:4″,1′′′-quaterphenyl (3), were synthesized by cross-coupling of the corresponding triflates with phenylboronic acid. Linear poly(ether ketone)s (1x, 2x, and 3x) having phenyl, biphenyl, and terphenyl side groups, respectively, were prepared by the polycondensation of the bis(aromatic fluoride) compounds with bisphenol A (a) and 4,4′-dihydroxybiphenyl (b) in N-methyl-2-pyrrolidone. The obtained poly(ether ketone)s were

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Wolfe, Patricia S., Yemanlall Lochee, Dhanjay Jhurry, Archana Bhaw-Luximon, and Gary L. Bowlin. "Characterization of Electrospun Novel Poly(ester-ether) Copolymers: 1,4-Dioxan-2-one and D,L-3-Methyl-1,4-dioxan-2-one." Journal of Engineered Fibers and Fabrics 6, no. 4 (2011): 155892501100600. http://dx.doi.org/10.1177/155892501100600409.

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Introduction: Because tissue engineering scaffolds serve as a temporary environment until new tissue can be formed, their mechanical performance, thermal properties, and biocompatibility are critical for maintaining their functionality. The goal of this study was to electrospin scaffolds from copolymers containing varying amounts of 1,4-Dioxan-2-one (DX) and D,L-3-Methyl-1,4-dioxan-2-one (DL-3-MeDX), and characterize their mechanical and thermal properties. Methods and Results: Image tool analysis of scanning electron micrographs revealed the presence of DL-3-MeDX causes the fiber diameter of

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3

Huang, Rui, Jinshui Yao, Qiuhong Mu, Dan Peng, Hui Zhao, and Zhizhou Yang. "Study on the Synthesis and Thermal Stability of Silicone Resin Containing Trifluorovinyl Ether Groups." Polymers 12, no. 10 (2020): 2284. http://dx.doi.org/10.3390/polym12102284.

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Silicone resin is a high-temperature resistant material with excellent performance. The improvement of its thermal stability has always been the pursuit of researchers. In this paper, a sequence of silicone resins containing trifluorovinyl ether groups were prepared by the co-hydrolysis-polycondensation of methyl alkoxysilane monomers and {4-[trifluorovinyl(oxygen)]phenyl}methyldiethoxysilane. The structures of the silicone resins were characterized by FT-IR and 1H NMR. The curing process of them was studied by DSC and FT-IR spectra, and results showed that the curing of the resins included th

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4

Manohar, Murli, Prem P. Sharma, and Dukjoon Kim. "Intercalated Poly (2-acrylamido-2-methyl-1-propanesulfonic Acid) into Sulfonated Poly (1,4-phenylene ether-ether-sulfone) Based Proton Exchange Membrane: Improved Ionic Conductivity." Molecules 26, no. 1 (2020): 161. http://dx.doi.org/10.3390/molecules26010161.

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A series of hybrid proton exchange membranes were synthesized via in situ polymerization of poly (2-acrylamido-2-methyl-1-propanesulfonic acid) PMPS with sulfonated poly (1,4-phenylene ether-ether-sulfone) (SPEES). The insertion of poly (2-acrylamido-2-methyl-1-propanesulfonic acid) PMPS, between the rigid skeleton of SPEES plays a reinforcing role to enhance the ionic conductivity. The synthesized polymer was chemically characterized by fourier-transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance 1H NMR spectroscopy to demonstrate the successful grafting of PMPS with the pen

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5

Hu, Qun Hui, Wen Xiao Wang, Shu Bo Wang, et al. "Preparation of Poly (aryl ether) Anion Ionomers with N-Methyl Imidazolium Groups." Advanced Materials Research 560-561 (August 2012): 221–25. http://dx.doi.org/10.4028/www.scientific.net/amr.560-561.221.

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Anion exchange membranes based on poly(aryl ether oxadiazole)s (FPAEO) were prepared by quaternization of bromomethylated FPAEO with N-methyl imidazole. The structures of the obtained polymers were characterized and confirmed with 1H-NMR measurement. The physical and electrochemical properties of anion exchange membranes were also studied. The conductivity of FPAEO-xMIM membranes were almost higher than 10−2 S/cm at room temperature. In addition, TGA revealed that the AEMs based on imidazolium salts have excellent thermal stability. The experimental results suggested that the obtained AEMs may

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6

Wu, Ti, Wei Min Zhang, NA Yang, and Jia Ling Pu. "A Novel Thermo-Sensitive Polymer Film and its Imaging Properties." Key Engineering Materials 373-374 (March 2008): 658–61. http://dx.doi.org/10.4028/www.scientific.net/kem.373-374.658.

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Three copolymers containing isobutyl p-styrenesulfonate (IBSS) and carboxyl units, i.e. methyl methacrylate (MMA) and methacrylic acid (MAA), were synthesized and their chemical structures and thermal behaviors were investigated by using TGA, DSC, FTIR and other methods. Films were prepared by using the synthesized copolymers in combination with a bisvinyl ether compound, i.e. 2,2-bis(4-(2-(vinyloxy)ethoxy)phenyl)propane (BVPP), to applied onto an aluminum plate. Crosslinking and de-crosslinking reactions would readily take place when the polymer films were baking treated at 100 oC and 200 oC

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7

Mao, Hua, Yong You, Lifen Tong, Xiaohe Tang, Renbo Wei, and Xiaobo Liu. "Dielectric properties of poly(arylene ether nitrile ketone) copolymers." High Performance Polymers 31, no. 8 (2018): 901–8. http://dx.doi.org/10.1177/0954008318808570.

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A series of poly(arylene ether nitrile ketone) (PENK) random copolymers are successfully synthesized by the nucleophilic aromatic substitution polymerization of 2,6-dichlorobenzonitrile, 4,4′-difluorobenzophenone with various bisphenol monomers (4,4′-biphenol, bisphenol A, phenolphthalein, and hydroquinone). Compared with poly(arylene ether ketone), the PENK copolymers possess better solubility in polar solvents such as N-methyl-2-pyrrolidone, N, N-dimethylacetamide, N, N-dimethylformamide, dimethylsulfoxide, and so on. Because of the different molecular structures, the PENK copolymers exhibit

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8

Chen, Ying, and Jun Fen Sun. "Study on Poly(ether imide)/Amino-Modified Sillica Hybrid Membranes." Materials Science Forum 789 (April 2014): 218–23. http://dx.doi.org/10.4028/www.scientific.net/msf.789.218.

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Poly (ether imide) (PEI) membrane with many good properties, such as chemical resistance, biocompatibility, good thermal, and mechanical properties, has been widely used in filtration and biomedical applications. SiO2particles containing amine groups can be a good enzyme immobilization carrier. Organic-inorganic hybrids of poly (ether imide) and amino-modified SiO2were in situ prepared via sol-gel process in the presence of tetraethylortho silicate (TEOS) in a mixed solvent of N, N-Dimethylacetamide/1-Methyl-2-pyrrolidone (DMAc/NMP). The effects of casting solution composition on the membrane

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9

Yang, Wanying, Jiaqi Wang, Lingjiang Jia, Jingyi Li, and Shouxin Liu. "Stereo-Complex and Click-Chemical Bicrosslinked Amphiphilic Network Gels with Temperature/pH Response." Gels 9, no. 8 (2023): 647. http://dx.doi.org/10.3390/gels9080647.

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Stimulus-responsive hydrogels have been widely used in the field of drug delivery because of their three-dimensional pore size and the ability to change the drug release rate with the change in external environment. In this paper, the temperature-sensitive monomer 2-methyl-2-acrylate-2-(2-methoxyethoxy-ethyl) ethyl ester (MEO2MA) and oligoethylene glycol methyl ether methacrylate (OEGMA) as well as the pH-sensitive monomer N,N-Diethylaminoethyl methacrylate (DEAEMA) were used to make the gel with temperature and pH response. Four kinds of physicochemical double-crosslinked amphiphilic co-netwo

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10

Chen, Sheng, Qing Kang Zheng, Zhen Bao Li, Xin Lei Wang, and Jian Wu Lan. "Synthesis and Properties of New Poly( Amide-Imide)s Based on Imide Dicarboxylic Acid." Advanced Materials Research 332-334 (September 2011): 1722–26. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.1722.

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Two kinds of imide dicarboxylic acid monomers, 4,4'-bis(trimellitimido) diphenyl ether Ⅰ and p-trimellitimido-benzoic acid Ⅱ were successfully synthesized from 4,4'-diaminodiphenyl ether and p-aminobenzoic acid with trimellitic anhydride respectively.and used to synthesize a series of new aromatic poly(amide-imide)s (PAIs) by the tri-phenyl phosphite-activated polycondensation method. The preparation of PAIs was carried out using triphenyl phosphate and pyridine symtem. The PAIs had inherent viscosities of 0.55–1.46 dL g-1. PAI films were obtained by casting their N-Methyl-2-pyrrolidone (NMP)

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11

Plachouras, Nikolaos V., and Marinos Pitsikalis. "Statistical Copolymers of N–Vinylpyrrolidone and 2–Chloroethyl Vinyl Ether via Radical RAFT Polymerization: Monomer Reactivity Ratios, Thermal Properties, and Kinetics of Thermal Decomposition of the Statistical Copolymers." Polymers 15, no. 8 (2023): 1970. http://dx.doi.org/10.3390/polym15081970.

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The radical statistical copolymerization of N–vinyl pyrrolidone (NVP) and 2–chloroethyl vinyl ether (CEVE) was conducted using the Reversible Addition–Fragmentation chain Transfer (RAFT) polymerization technique, employing [(O–ethylxanthyl)methyl]benzene (CTA-1) and O–ethyl S–(phthalimidylmethyl) xanthate (CTA-2) as the Chain Transfer Agents (CTAs), leading to P(NVP–stat–CEVE) products. After optimizing copolymerization conditions, monomer reactivity ratios were estimated using various linear graphical methods, as well as the COPOINT program, which was applied in the framework of the terminal

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12

Lee, Min-Jae, Seon-Young Park, and A.-Young Sung. "Poly (Ethylene Glycol) Methyl Ether Methacrylate-Based Hydrogel and Cerium(IV) Oxide Nanoparticles as Ophthalmic Lens Material." Micromachines 12, no. 9 (2021): 1111. http://dx.doi.org/10.3390/mi12091111.

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The functional hydrogel lens containing 2-hydroxyethylmethacrylate (HEMA) was manufactured by thermal polymerization. The physical properties of the produced hydrogel lens were measured and analyzed. In this study, HEMA, ethylene glycol dimethacrylate (EGDMA), and azobisisobutyronitrile (AIBN) were used for thermal copolymerization. Additionally, poly (ethylene glycol) methyl ether methacrylate (PEGMEMA), 3-(Triethoxysilyl) propyl isocyanate (TEPI), and cerium(Ⅳ) oxide nanoparticles were used as additives to make a functional hydrogel lens. The mixture was heated at 100 °C for 90 min to produc

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13

Pouresmaeel-Selkjani, Peyman, Mohsen Jahanshahi, and Majid Peyravi. "Mechanical, thermal, and morphological properties of nanoporous reinforced polysulfone membranes." High Performance Polymers 29, no. 7 (2016): 759–71. http://dx.doi.org/10.1177/0954008316656742.

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The effect of three different diphenols including 1,1′-thiobis(2-naphthol) (TBN), 2,2′-thiobis(4-methyl phenol) (TBMP) and curcumin (CUR) used in the preparation of sulfonated poly(ether sulfide sulfone) (SPESS) on the mechanical, thermal, and morphological properties of polysulfone (PSf) membranes was studied. In this regard, the morphological characteristics of the nanoporous membranes were explored by developed image analyzer program. Based on the obtained results, PSf membrane modified by SPESS-TBN copolymer showed the best nominal tensile strength in comparison to the other samples with t

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14

Morikawa, Atsushi, Fumi Miyata, and Jun Nishimura. "Synthesis and properties of polyimides from 1,4-bis(4-amino-2-phenylphenoxy) benzene and 4,4′-bis(4-amino-2-phenylphenoxy) biphenyl." High Performance Polymers 24, no. 8 (2012): 783–92. http://dx.doi.org/10.1177/0954008312453062.

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Diamines, namely, 1,4-bis(4-amino-2-phenylphenoxy) benzene (1) and 4,4′-bis(4-amino-2-phenylphenoxy) biphenyl (2), were synthesized from 4-fluoro-3-phenyl nitrobenzene. Two series of polyimides were synthesized from these diamines with nine types of dianhydrides by a conventional two-step procedure that included ring-opening polymerization in N-methyl-2-pyrrolidone and subsequent thermal cyclic dehydration. The polyimides were characterized by x-ray diffraction, differential scanning calorimetry, thermogravimetry and dynamic mechanical analysis. The polyimides from 1 and 2 had a glass transiti

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15

Driva, Paraskevi, Panagiotis Bexis, and Marinos Pitsikalis. "Radical copolymerization of 2-vinyl pyridine and oligo(ethylene glycol) methyl ether methacrylates: Monomer reactivity ratios and thermal properties." European Polymer Journal 47, no. 4 (2011): 762–71. http://dx.doi.org/10.1016/j.eurpolymj.2010.09.032.

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16

Singh, Rajendra K., Rooma Mago Mehta, and R. G. Bass. "Synthesis and characterization of extended poly(phenylquinoxalines) containing carbonyl, ether and sulphide linking groups." High Performance Polymers 7, no. 4 (1995): 481–92. http://dx.doi.org/10.1088/0954-0083/7/4/010.

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A series of eight novel extended poly(phenylquinoxalines) (PPQs) containing carbonyl, ether and sulphide linking groups were prepared by polycondensation of 4,4'-bis(phenylglyoxalyl-4-phenoxy-4'-benzoyl)diphenyl sulphide, I-D, and 4,4'-bis(phenyl glyoxalyl-4-phenylthio-4'-benzoyl)diphenyl sulphide, 2-D, with four aromatic bis(o-diamines) in m-cresol. The primary objective of this study was to correlate the effect of these linkages on the various properties such as solubility, thermal stability and glass transition temperature of the PPQs. Polymerization of 1-D was carried out in an oil bath ma

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17

Tan, Jihuai, Bowen Liu, Qinghe Fu, Liwei Wang, Junna Xin, and Xinbao Zhu. "Role of the Oxethyl Unit in the Structure of Vegetable Oil-Based Plasticizer for PVC: An Efficient Strategy to Enhance Compatibility and Plasticization." Polymers 11, no. 5 (2019): 779. http://dx.doi.org/10.3390/polym11050779.

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Developing vegetable oil-derived primary plasticizers for poly(vinyl chloride) (PVC) is still a challenge because of their insufficient compatibility. As described in this work, we report the synthesis of plasticizers through the esterification of polyethylene glycol methyl ether and dimer acid, in which dimer acid is renewable material prepared via a two-step reaction (1) the hydrolysis of fatty acids from soybean oil at 70 °C and (2) subsequent Diels–Alder reaction at 250 °C. The resulting plasticizers, dimer acid-derived polyethylene glycol methyl ether esters (DA-2n, 2n = 2, 4, 6 or 8 refe

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18

Jin, Cuihong, and Xiuling Zhu. "Synthesis and physicochemical properties of sulfonated poly(aryl ether) PEMs containing phthalazinone and oxadiazole moieties." High Performance Polymers 30, no. 3 (2017): 274–82. http://dx.doi.org/10.1177/0954008317691585.

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In this work, 2,5-bis(4-fluorophenyl)-1,3,4-oxadiazole (2F-Oz) is synthesized and successfully polymerized with 4-(4-hydroxyaryl)-phthalazin-1-one (DHPZ) through polycondensation to produce poly(ether 1,3,4-oxidiazole) containing phthalazinone units (PPEO) with intrinsic viscosity 1.54 dL g−1. A series of sulfonated poly(ether-1,3,4-oxidiazole)s (SPPEOs) with different degrees of sulfonation are prepared via postsulfonation reaction. The chemical structure of PPEO and SPPEOs was characterized through FT-IR and proton nuclear magnetic resonance, respectively. SPPEOs have excellent film-forming

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19

Zhang, Xiao-Lan, Xiao-Ling Liu, Qiu-Ying Wang, Zhen-Zhong Huang, and Shou-Ri Sheng. "Synthesis and characterization of novel fluorinated poly(ether imide)s containing pyridine and/or phenylphosphine oxide moieties." High Performance Polymers 31, no. 5 (2018): 485–96. http://dx.doi.org/10.1177/0954008318801905.

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4-(4-Trifluoromethylphenyl)-2,6-bis[4-(4-amino-2-trifluoromethylphenoxy)phenyl]pyridine (9FPBAPP), as a new aromatic diamine, was prepared by a modified Chichibabin reaction of 4-(4-nitro-2-trifluoromethylphenoxy)acetophenone with 4-triflouromethylbenzaldehyde, followed by a catalytic reduction. A series of fluorinated poly(ether imide)s containing pyridine and/or phenylphosphine oxide moieties were prepared from bis(3-aminophenyl)phenylphosphine oxide (BAPPO), 2,2′-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA), and 9FPBAPP via a conventional two-step thermal imidization procedu

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20

Harada, Miyuki, and Takuya Matsumoto. "Thermal Conductivity and Orientation Structure of Liquid Crystalline Epoxy Thermosets Prepared by Latent Curing Catalyst." Crystals 14, no. 1 (2023): 47. http://dx.doi.org/10.3390/cryst14010047.

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Improvements in the performance of electronic devices necessitate the development of polymer materials with heat dissipation properties. Liquid crystalline (LC) epoxies have attracted attention because of the orientation of their polymer network chains and their resultant high thermal conductivity. In this study, a diglycidyl ether of 1-methyl-3-(4-phenylcyclohex-1-enyl)benzene was successfully synthesized as an LC epoxy and the LC temperature range was evaluated via differential scanning calorimeter (DSC). The synthesized LC epoxy was cured with m-phenylenediamine (m-PDA) as an amine-type cur

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21

Zivkovic, Nikola, Slobodan Serbanovic, Emila Zivkovic, Mirjana Kijevcanin, and Predrag Stefanovic. "Wet flue gas desulphurisation procedures and relevant solvents thermophysical properties determination." Chemical Industry 68, no. 4 (2014): 491–500. http://dx.doi.org/10.2298/hemind130610074z.

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In order to mitigate climate change, the priority task is to reduce emissions of greenhouse gases, including sulfur oxides, from stationary power plants. The legal framework of the European Union has limited the allowable emissions of gases with harmful effects and fulfillment of this obligation is also ahead of the Republic of Serbia in the following years. In this paper categorization of wet procedures for sulfur oxides removal is given. Wet procedure with the most widespread industrial application, lime/limestone process, has been described in detail. In addition, the procedures with chemic

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22

Huang, Nengkun, Fan Wang, Ruihao Zhang, et al. "Biodegradable Hydrogenated Dimer Acid-Based Plasticizers for PLA with Excellent Plasticization, Thermal Stability and Gas Resistance." Molecules 29, no. 11 (2024): 2526. http://dx.doi.org/10.3390/molecules29112526.

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The use of vegetable oil-dervied plasticizers to enhance the flexibility of polylactic acid (PLA) has received much attention due to their renewability, inexpensiveness and biodegradation. However, the double bonds in vegetable oil-based plasticizers limit their compatibility with PLA, resulting in PLA-derived products with reduced flexibility. Herein, we examined soybean oil-derived hydrogenated dimer acid-based polyethylene glycol methyl ether esters (HDA-2n, 2n = 2, 4, 6 or 8, referring to the ethoxy units) developed via the direct esterification of saturated hydrogenated dimer acid and pol

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23

Faghihi, Khalil, Masoumeh Soleimani, Shabnam Nezami, and Meisam Shabanian. "Thermal and optical properties of new poly(amide-imide)-nanocomposite reinforced by layer silicate based on chiral n-trimellitylimido-L-valine." Macedonian Journal of Chemistry and Chemical Engineering 31, no. 1 (2012): 79. http://dx.doi.org/10.20450/mjcce.2012.59.

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Two new samples of poly(amide-imide)-montmorillonite reinforced nanocomposites containing N-trimellitylimido-L-valine moiety in the main chain were synthesized by a convenient solution intercalation technique. Poly(amide-imide) (PAI) 5 as a source of polymer matrix was synthesized by the direct polycondensation reaction of N-trimellitylimido-L-valine (3) with 4,4′-diaminodiphenyl ether 4 in the presence of triphenyl phosphite (TPP), CaCl2, pyridine and N-methyl-2-pyrrolidone (NMP). Morphology and structure of the resulting PA-nanocomposite films (5a) and (5b) with 10 and 20 % silicate particle

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24

Lee, Dong Hoon, Hye Suk Park, Dong Wan Seo, and Whan Gi Kim. "Organic-Inorganic Nano Composite Membranes of Sulfonated Poly(ether Sulfone-Ketone) Copolymer and SiO₂ for Fuel Cell Application." Materials Science Forum 534-536 (January 2007): 97–100. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.97.

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Novel bisphenol-based wholly aromatic sulfonated poly(ether sulfone-ketone) copolymer and organic-inorganic composite membranes were prepared for operation 80°C in polymer electrolyte membrane fuel cell (PEMFCs). The copolymer were synthesized by direct aromatic nucleophilic substitution polycondensation of 4,4-difluorobenzophenone, 2,2’-disodiumsulfonyl- 4,4’-fluorophenylsulfone (40mole% of bisphenol A) and bisphenol A. Polymerization proceeded quantitatively to high molecular weight in N-methyl-2-pyrrolidinone at 180°C. Organic-inorganic composite membranes were obtained by mixing organic po

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Deokar, Satish S., Makarand D. Joshi, Asiya M. Tamboli, et al. "Aromatic Polyesters Containing Ether and a Kinked Aromatic Amide Structure in the Main Chain: Synthesis and Characterisation." Coatings 12, no. 2 (2022): 181. http://dx.doi.org/10.3390/coatings12020181.

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A novel bisphenol containing preformed multiple ether and amide linkages, N, N′-Bis (4-hydroxyphenoxyphenylene) isophthalamide (IPCD), was prepared and analysed by spectroscopic methods. New aromatic polyesters were prepared by polycondensation of IPCD with 1, 3-benzene diacidchloride and/or 1, 4-benzene diacidchloride. These obtained polyesters were structurally analysed by infra-red spectroscopy, measurements of inherent viscosity, wide-angle X-ray diffraction patterns, and thermal techniques such as differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and solubility te

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Han, Guanglu, Jie Lv, and Mohan Chen. "ZIF-67 Incorporated Sulfonated Poly (Aryl Ether Sulfone) Mixed Matrix Membranes for Pervaporation Separation of Methanol/Methyl Tert-Butyl Ether Mixture." Membranes 13, no. 4 (2023): 389. http://dx.doi.org/10.3390/membranes13040389.

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Mixed matrix membranes (MMMs) with nano-fillers dispersed in polymer matrix have been proposed as alternative pervaporation membrane materials. They possess both promising selectivity benefiting from the fillers and economical processing capabilities of polymers. ZIF-67 was synthesized and incorporated into the sulfonated poly (aryl ether sulfone) (SPES) matrix to prepare SPES/ZIF-67 mixed matrix membranes with different ZIF-67 mass fractions. The as-prepared membranes were used for pervaporation separation of methanol/methyl tert-butyl ether mixtures. X-ray diffraction (XRD), Scanning Electro

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Majed Jari Mohammed, Majed Jari Mohammed, Abdul Amir H. Kadhum Abdul Amir H Kadhum, and Adnan Ibrahim Mohammed and Sameer H. Abbood Al Rekabi Adnan Ibrahim Mohammed and Sameer H Abbood Al Rekabi. "Synthesis of One New Sugar Imine Molecule." Journal of the chemical society of pakistan 42, no. 1 (2020): 103. http://dx.doi.org/10.52568/000622.

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In this research, the molecule Nand#39;-((E)-5-methoxy-2-((1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4,5-dihydro-1H-1,2,3-triazol-4-yl)methoxy) benzylidene)-4-methyl-1,2,3-thiadiazole-5-carbohydrazide were synthesized and characterized by several conventional analysis methods. Its physical properties and thermal stability was studied. The synthesis was conducted based on D-glucose using concept of click chemistry reaction mechanism. Some of the reaction was conducted using microwave irradiation. The synthesis steps initiated by adding propargyl bromide to

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Majed Jari Mohammed, Majed Jari Mohammed, Abdul Amir H. Kadhum Abdul Amir H Kadhum, and Adnan Ibrahim Mohammed and Sameer H. Abbood Al Rekabi Adnan Ibrahim Mohammed and Sameer H Abbood Al Rekabi. "Synthesis of One New Sugar Imine Molecule." Journal of the chemical society of pakistan 42, no. 1 (2020): 103. http://dx.doi.org/10.52568/000622/jcsp/42.01.2020.

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In this research, the molecule Nand#39;-((E)-5-methoxy-2-((1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4,5-dihydro-1H-1,2,3-triazol-4-yl)methoxy) benzylidene)-4-methyl-1,2,3-thiadiazole-5-carbohydrazide were synthesized and characterized by several conventional analysis methods. Its physical properties and thermal stability was studied. The synthesis was conducted based on D-glucose using concept of click chemistry reaction mechanism. Some of the reaction was conducted using microwave irradiation. The synthesis steps initiated by adding propargyl bromide to

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Bifulco, Aurelio, Angela Marotta, Jessica Passaro, et al. "Thermal and Fire Behavior of a Bio-Based Epoxy/Silica Hybrid Cured with Methyl Nadic Anhydride." Polymers 12, no. 8 (2020): 1661. http://dx.doi.org/10.3390/polym12081661.

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Thermosetting polymers have been widely used in many industrial applications as adhesives, coatings and laminated materials, among others. Recently, bisphenol A (BPA) has been banned as raw material for polymeric products, due to its harmful impact on human health. On the other hand, the use of aromatic amines as curing agents confers excellent thermal, mechanical and flame retardant properties to the final product, although they are toxic and subject to governmental restrictions. In this context, sugar-derived diepoxy monomers and anhydrides represent a sustainable greener alternative to BPA

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Abdel-Rahman, Mona A., Waleed A. El-Said, Eman M. Sayed, and Aboel-Magd A. Abdel-Wahab. "Synthesis, Characterization of Some Conductive Aromatic Polyamides/Fe3O4 NPs/ITO, and Their Utilization for Methotrexate Sensing." Surfaces 6, no. 1 (2023): 83–96. http://dx.doi.org/10.3390/surfaces6010007.

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Here, we have synthesized four series of polyamide-conductive polymers and used them to modify Fe3O4 NPs/ITO electrodes. The ability of the modified electrodes to detect methotrexate (MTX) anticancer drug electrochemically was investigated. Synthesis of the target-conducting polyamides, P1a–d, P2a–d, P3a, P3b, P3d, and P4c-d, based on different aromatic moieties, such as ethyl 4-(2-(4H-pyrazol-4-ylidene)hydrazinyl)benzoate, diphenyl sulfone, diphenyl ether or phenyl, has been achieved. They were successfully prepared in good yield via solution–polycondensation reaction of the diamino monomers

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Bakvand, Pegah Mansouri, Dong Pan, Andrit Allushi, and Patric Jannasch. "Influence of Monomer Configuration on the Performance of Poly(quaterphenyl piperidinium) Anion Exchange Membranes." ECS Meeting Abstracts MA2023-02, no. 39 (2023): 1894. http://dx.doi.org/10.1149/ma2023-02391894mtgabs.

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Polymeric anion exchange membranes (AEM)s are crucial components in many electrochemical energy devices where the performance is strongly influenced by the ionic conductivity, mechanical robustness, and thermochemical stability of the materials.1,2 AEMs are susceptible to degradation due to the chemically aggressive nature of the hydroxide ion, which significantly restricts their long-term applicability, especially at elevated temperature.3,4 Improving the polymer backbone design by, e.g., eliminating ether linkages from the polymer backbone is an approach to improve alkaline stability.5 Moreo

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Stampfer, Léopold, Cécile Bouilhac, Tiphaine Mérian, et al. "Investigation of the Reaction between a Homemade PEEK Oligomer and an Epoxy Prepolymer: Optimisation of Critical Parameters Using Physico–Chemical Methods." Polymers 16, no. 6 (2024): 764. http://dx.doi.org/10.3390/polym16060764.

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Several researchers have examined the interest in using a thermoplastic to increase thermoset polymers’ shock resistance. However, fewer studies have examined the nature of the mechanisms involved between both kinds of polymers. This was the objective of our work, which was carried out using a gradual approach. First, we describe the synthesis of a poly(ether ether ketone) oligomer (oPEEK) with hydroxyl terminations from the reaction of hydroquinone and 4,4′-difluorobenzophenone in N-methyl-2-pyrrolidone. Then, the main physicochemical properties of this oligomer were determined using differen

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Bakirova, Indira N., and Tatiana A. Mineeva. "INFLUENCE OF CHAIN EXTENDER STRUCTURE AND RIGID BLOCK SIZE ON STRUC-TURE AND PROPERTIES OF ESTER URETHANE THERMOPLASTIC ELASTOMERS FOR CONSTRUCTIONAL PURPOSES." ChemChemTech 68, no. 6 (2025): 117–25. https://doi.org/10.6060/ivkkt.20256806.7192.

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The influence of the structure of the chain extender and the size of the rigid block on the properties of urethane thermoplastic elastomers obtained on the basis of oligobutylene glycol adipate with a molecular weight of 1800 and 4,4'-diphenylmethane diisocyanate is considered. An aromatic diol, 2,2-bis-[4-(2-hydroxyethoxy)phenyl]propane, and an aliphatic diol, 1,4-butanediol, were used as a chain extenders.The synthesis of thermoplastic elastomers was carried out at a general molar ratio of [NCO]/[OH] = 1, which ensured the production of a linear polymers with terminal hydroxyl and isocyanate

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Himbert, Gerhard, Dieter Fink, and Martina Stürm. "Cycloadditionen, XXI [1]. 2-Methyl-2,3-butadiensäure-arylester; Synthese und thermische Reaktivität / Cycloadditions, XXI [1] Aryl 2-methyl-2,3-butadienoates; Synthesis and Thermal Reactivity." Zeitschrift für Naturforschung B 49, no. 1 (1994): 63–75. http://dx.doi.org/10.1515/znb-1994-0114.

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Abstract The substituted phenyl, 1-naphthyl or the 9-anthrylmethyl esters of the 2-methyl-(or 2-phenyl)-2,3-alkadienoic acids (see 4 a -g , 9 a -d and 12a,b) are synthesized by condensation of the allenic acids 2 a -d with the substituted phenols 3 a -g , with 1-naphthol (8) or with 9-anthrylmethanol (11) in the presence of dicyclohexyl carbodiimide (DCC) and a catalytic amount of 4-dimethylaminopyridine (DMAP). An alternative route is the reaction of the acid chloride la with the phenols 3 a -c (see formation of 4 a -c) in the presence of triethylamine. All these compounds (except 12a) underg

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Pham, Quoc-Thai, and Badril Azhar. "Synthesis and Characterizations of Novel Copolymers with Zwitterionic Moiety-Based Solid Polymer Electrolytes for Solid-State Lithium Metal Battery." ECS Meeting Abstracts MA2024-01, no. 2 (2024): 461. http://dx.doi.org/10.1149/ma2024-012461mtgabs.

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Electric vehicles (EVs) have become the dominant choice in the automotive industry, displacing internal combustion engine vehicles (ICEVs) to some extent. The development of high-efficiency batteries is essential to meet these market demands. Conventional lithium-ion batteries (LIBs), which consist of a cathode, anode, separator, and liquid electrolyte (such as 1M LiPF6 in carbonate solvents), have been widely utilized in portable electronic devices, hybrid electric vehicles (HEVs), and EVs. This popularity is attributed to their relatively high energy density and extended cycle life [1]. Howe

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Brands, Tim, Jens Osiewacz, and Thomas Turek. "Advancements in Gas Diffusion Electrode Design: Exploring PFAS-Free Alternatives for Electrochemical CO₂ Reduction." ECS Meeting Abstracts MA2025-01, no. 41 (2025): 2224. https://doi.org/10.1149/ma2025-01412224mtgabs.

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In order to produce carbon-containing products in a fossil-free manner, CO2 is becoming an increasingly valuable resource [1]. An important emerging technology for this purpose is the electrochemical reduction of CO2 (eCO2R) [2]. A key component in eCO2R systems is the gas diffusion electrode (GDE) which helps to overcome mass transport limitations caused by the low solubility of CO2 in aqueous media. The present study focuses on eCO₂R to CO on a silver catalyst. In contrast to GDEs with separate catalyst and gas diffusion layers [3], we employed a GDE with only one layer consisting of silver

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Dinari, Mohammad, and Ahmad Reza Rajabi. "Structural, thermal and mechanical properties of polymer nanocomposites based on organosoluble polyimide with naphthyl pendent group and layered double hydroxide." High Performance Polymers 29, no. 8 (2016): 951–59. http://dx.doi.org/10.1177/0954008316665678.

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In this study, a soluble aromatic polyimide (PI) with naphthyl pendent group was initially synthesized by the reaction of pyromellitic dianhydride (PMDA) with 5-methyl- N,N-bis(4-nitrophenyl)naphthalen-1-amine. Then, via co-precipitation reaction of zinc nitrate hexahydrate and chromium nitrate nonahydrate, Zn/Cr-layered double hydroxide (LDH) was synthesized using hydrothermal techniques. Finally, different novel nanocomposites (NCs) based on PI and Zn/Cr-LDH (1, 2, 4 wt%) were produced through in situ polymerization. The resulting materials were characterized by Fourier transform infrared sp

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H., R. Prajapati, and V. Doshi A. "Study of azo ester mesogenic homologous series 2-(4'-n-alkoxy benzoyloxy)- naphthyl-1-azo-4" -methyl benzenes." Journal of Indian Chemical Society Vol. 86, May 2009 (2009): 470–74. https://doi.org/10.5281/zenodo.5810110.

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Chemistry Department, C. U. Shah Science College, Ahmedabad-380 014, Gujarat, India <em>E-mail</em> : drhrprajapati@yahoo.co.in Chemistry Department, Matushri Virbaima Mahila Science and Home Science,College, Rajkot-360 007, Gujarat, India <em>Manuscript received 6 November 2008, accepted 15 January 2009</em> Mesogenic homologous series : 2-(4<em>'</em>-<em>n</em>-alkoxy benzoyloxy)-naphthyl-1-azo-4<em>"</em>-metbyl benzenes is synthesized to understand the effects of structural variation on mesogenic characteristics. All the members of the homologous series exhibit enantiotropic nema

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Malathi, Mahalingam, Palathurai Subramaniam Mohan, Raymond J. Butcher, and Chidambaram Kulandaisamy Venil. "Benzimidazole quinoline derivatives — An effective green fluorescent dye for bacterial imaging." Canadian Journal of Chemistry 87, no. 12 (2009): 1692–703. http://dx.doi.org/10.1139/v09-139.

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A one-pot synthesis of benzimidazoles by condensing naphthyl or quinoline aldehyde with benzene-1,2-diamine has been reported. IR, 1H and 13C NMR, mass spectral, and CHN analyses were used to elucidate the structures of the products. The molecular structural correlation in the optical properties of the quinoline and naphthalene benzimidazoles was explored. The fluorescence quantum yield ([Formula: see text]) and time-resolved fluorescent lifetime of the quinoline benzimidazoles derivatives were estimated. The influence of solvent polarity and pH on the optical property of quinoline derivatives

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Gomathi, G., T. Srinivasan, D. Velmurugan, and R. Gopalakrishnan. "A bluish-green emitting organic compound methyl 3-[(E)-(2-hydroxy-1-naphthyl)methylidene]carbazate: spectroscopic, thermal, fluorescence, antimicrobial and molecular docking studies." RSC Advances 5, no. 56 (2015): 44742–48. http://dx.doi.org/10.1039/c5ra04964d.

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Chang, Wanhyuk, Eun Heui Kang, Heon Jun Jeong, Wonjoon Choi та Joon Hyung Shim. "Inkjet Printing of PrBa_0.5Sr_0.5Co_1.5Fe_0.5O₅₊ _δ Cathode for High-Performance Proton Ceramic Fuel Cells". ECS Meeting Abstracts MA2023-01, № 54 (2023): 353. http://dx.doi.org/10.1149/ma2023-0154353mtgabs.

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Ceramic fuel cells have been actively studied and are in the commercialization stage because of their economic and efficiency advantages, including the lack of precious metal catalysts, including Pt, fuel flexibility, and high efficiency. Solid oxide fuel cells (SOFCs) are the most typical type of ceramic fuel cell that conduct oxide ions. However, the operating temperature of SOFCs is high (>700 °C) owing to the high activation energy required for ion conduction. Prolonged operation at high temperatures can cause chemical and mechanical degradation in materials and peripheral parts, discou

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42

Hertkorn, N., M. Harir, B. P. Koch, B. Michalke, P. Grill, and P. Schmitt-Kopplin. "High field NMR spectroscopy and FTICR mass spectrometry: powerful discovery tools for the molecular level characterization of marine dissolved organic matter from the South Atlantic Ocean." Biogeosciences Discussions 9, no. 1 (2012): 745–833. http://dx.doi.org/10.5194/bgd-9-745-2012.

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Abstract. Non target high resolution organic structural spectroscopy of marine dissolved organic matter (DOM) isolated on 27 November 2008 by means of solid phase extraction (SPE) from four different depths in the South Atlantic Ocean off the Angola coast (3.1° E; −17.7° S; Angola basin) provided molecular level information of complex unknowns with unprecedented coverage and resolution. The sampling was intended to represent major characteristic oceanic regimes of general significance: 5 m (FISH; near surface photic zone), 48 m (FMAX; fluorescence maximum), 200 m (upper mesopelagic zone) and 5

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Khemraj Bairwa, and Snehasis Jana. "Physical, Thermal, and Spectroscopic Characterization of Biofield Energy Treated Methyl-2-Naphthyl Ether." Environmental Analytical Chemistry 2, no. 5 (2015). https://doi.org/10.4172/2380-2391.1000162.

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Methyl-2-naphthyl ether (MNE) is an organic compound and used as the primary moiety for the synthesis of several antimicrobial and anti-inflammatory agents. This study was attempted to evaluate the impact of biofield energy treatment on the physical, thermal, and spectroscopic properties of MNE. The study was carried out in two groups i.e., control and treated. The treated group was subjected to Mr. Trivedi’s biofield treatment. Afterward, the control and treated samples of MNE were evaluated using X-ray diffraction (XRD), surface area analyzer, differential scanning calorimetry (DSC), t

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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Khemraj Bairwa, and Snehasis Jana. "Physical, Thermal, and Spectroscopic Characterization of Biofield Energy Treated Methyl-2-Naphthyl Ether." Environmental Analytical Chemistry 2, no. 5 (2015). https://doi.org/10.5281/zenodo.167526.

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Methyl-2-naphthyl ether (MNE) is an organic compound and used as the primary moiety for the synthesis of several antimicrobial and anti-inflammatory agents. This study was attempted to evaluate the impact of biofield energy treatment on the physical, thermal, and spectroscopic properties of MNE. The study was carried out in two groups i.e., control and treated. The treated group was subjected to Mr. Trivedi’s biofield treatment. Afterward, the control and treated samples of MNE were evaluated using X-ray diffraction (XRD), surface area analyzer, differential scanning calorimetry (DSC), t

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45

Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, and Gopal Nayak. "Physical, Thermal, and Spectroscopic Characterization of Biofield Energy Treated Methyl-2-Naphthyl Ether." Omics Publishing Group, September 20, 2015. https://doi.org/10.5281/zenodo.813952.

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Methyl-2-naphthyl ether (MNE) is an organic compound and used as the primary moiety for the synthesis of several antimicrobial and anti-inflammatory agents. This study was attempted to evaluate the impact of biofield energy treatment on the physical, thermal, and spectroscopic properties of MNE. The study was carried out in two groups i.e., control and treated. The treated group was subjected to Mr. Trivedi's biofield treatment. Afterward, the control and treated samples of MNE were evaluated using X-ray diffraction (XRD), surface area analyzer, differential scanning calorimetry (DSC), thermog

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46

Dosière, Marcel, Didier Villers, Mikhail G. Zolotukhin, and Michel H. J. Koch. "Comparison of the structure and thermal properties of a poly(aryl ether ketone ether ketone naphthyl ketone) with those of poly(aryl ether ketone ether ketone ketone)." e-Polymers 7, no. 1 (2007). http://dx.doi.org/10.1515/epoly.2007.7.1.1521.

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AbstractPoly(oxy-1,4-phenylene carbonyl-1,4-phenylene oxy-1,4-phenylene carbonyl-2,6-naphthalene carbonyl-1,4-phenylene) or 2,6-PEKEKNK is a polymer of the poly(aryl ether ketone) family differing from PEKEKK by the presence of a naphthyl group linked at positions 2 and 6 to the two ketone groups. It is synthesized by electrophilic precipitation polycondensation of 2,6- naphthalenedicarboxylic acid chloride with 4,4’-bis-(4-phenoxy) benzophenone in the presence of aluminium chloride. The dimensions of the orthorhombic unit cell determined from an initially amorphous, stretched film are: a = 0.

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Hedrick, J. L., W. Volksen, and D. K. Moiianty. "Imide-Aryl Ether Ketone Block Copolymers." MRS Proceedings 227 (1991). http://dx.doi.org/10.1557/proc-227-81.

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ABSTRACTImide-aryl ether ketone block copolymers were prepared and their morphology and thermal and mechanical properties investigated. The key feature of this copolymerization is the preparation of soluble aryl ether ketimine oliogmers which may be subsequently hydrolized to the aryl ether ether ketone form. A bis(amino) aryl ether ketimine oligomer was prepared via a nucleophilic aromatic substitution reaction with a molecular weight of 6,000 g/mol. The oligomer was co-reacted with 4,4′-oxydianiline (OI)A) and pyromellitic dianhydride (PMDA) diethyl ester diacyl chloride in N-methyl-2-pyrrol

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Zardehi‐Tabriz, Ali, Hadiseh Anavi, Yoones Ghayebzadeh, Hossein Roghani‐Mamaqani, and Mehdi Salami‐Kalajahi. "Porous Poly(Poly[Ethylene Glycol] Methyl Ether Methacrylate) Gel Polymer Electrolyte With Superior Electrochemical Properties in a High‐Performance Potassium‐Ion Battery." Battery Energy, January 30, 2025. https://doi.org/10.1002/bte2.20240096.

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ABSTRACTPotassium‐ion batteries as a suitable alternative to lithium‐ion batteries have drawn attention due to available sources of potassium, low reduction potential, better diffusion through electrolyte/electrode interface, and good ionic conductivity. Here, a photopolymerized porous gel polymer electrolyte based on poly(poly[ethylene glycol] methyl ether methacrylate) and poly(methyl methacrylate) nanoparticles shows superior thermal and electrochemical properties. After swelling in a KPF6 and EC/PC solution, the best GPE demonstrates high ionic conductivity of 2.9 × 10−2 S cm−1, potassium

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Talebi, Nafiseh, Ghasem Rezanejade Bardajee, Kourosh Kabiri, Hossein Boohendi, and Mohammad Jalal Zohuriaan Mehr. "Novel Surface Crosslinker for Superabsorbent Polymers Based on Schiff Base Reaction." Polymers for Advanced Technologies 36, no. 1 (2024). https://doi.org/10.1002/pat.70049.

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ABSTRACTSuperabsorbent surface modification significantly enhances hydrogels' structure, properties, and functionality, which cannot be directly polymerized. Over the past few decades, this modification technique has broadened the range of applications for superabsorbents in various industries. In this study, the Schiff base compound (E)‐2‐(((4‐hydroxyphenyl)imino)methyl)phenol (HPIMP) was synthesized by reacting salicylaldehyde with para‐aminophenol. The resulting diphenol compound was then transformed into bis (phenol glycidyl ether)imine (DGSB) using epichlorohydrin to create a new crosslin

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Faggio, Noemi, Angela Marotta, Veronica Ambrogi, Pierfrancesco Cerruti, and Gennaro Gentile. "Fully bio-based furan/maleic anhydride epoxy resin with enhanced adhesive properties." Journal of Materials Science, April 19, 2023. http://dx.doi.org/10.1007/s10853-023-08458-8.

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AbstractEpoxy resins are widely used in a variety of application fields, thanks to their good mechanical strength, chemical resistance and adhesion to several substrates. Nowadays, the quite majority of epoxy resins are based on derivatives of bisphenol A (BPA), which poses serious health concerns. This issue is pushing the research towards suitable bio-based alternatives to this product, being furan-based epoxies very promising in this respect. In a previous work, 2,5-bis[(oxiran-2-ylmethoxy)methyl]furan (BOMF) was cured with methyl nadic anhydride (MNA), and successfully used as tinplate coa

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