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Journal articles on the topic 'Copolycondensation'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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1

Beev, Aues A., Azamat A. Khashirov, Dzhul’etta A. Beeva, M. U. Shokumova, and V. V. Khasanov. "Influence of Copolycondensation Conditions on the Synthesis and Properties of Aromatic Copolyesulphonketones." Key Engineering Materials 899 (September 8, 2021): 532–39. http://dx.doi.org/10.4028/www.scientific.net/kem.899.532.

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The paper investigates the dependence of the reduced viscosity and some properties of aromatic copolyethersulfone ketones on the chemical structure of diphenols and activated dihaloid compounds on the conditions of copolycondensation processes. It is shown that the course of copolycondensation processes and important performance characteristics of products are significantly influenced by the chemical structures of the starting monomers and the order of their introduction into the reaction.
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2

Beev, Aues A., Svetlana Yu Khashirova, Dzhul’etta A. Beeva, and Milana U. Shokumova. "On the Synthesis of Copolyarylene Ether Ketones by Nucleophilic Substitution Reaction." Key Engineering Materials 869 (October 2020): 532–37. http://dx.doi.org/10.4028/www.scientific.net/kem.869.532.

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The dependence of the reduced viscosity of copolyarylene ether ketones on the chemical structure of diols and the conditions for copolycondensation is studied. It was shown that the structure of diols and the order of their introduction into the polycondensation reaction affect the reduced viscosity, impact strength, and temperature characteristics of copolyarylene ether ketones.
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3

AOKI, Akihiro. "Sequence Distribution in Copolymers Obtained by Nonequilibrium Copolycondensation." KOBUNSHI RONBUNSHU 51, no. 6 (1994): 420–27. http://dx.doi.org/10.1295/koron.51.420.

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4

Triki, Rania, Majdi Abid, Martine Tessier, Souhir Abid, Rachid El Gharbi, and Alain Fradet. "Furan-based poly(esteramide)s by bulk copolycondensation." European Polymer Journal 49, no. 7 (2013): 1852–60. http://dx.doi.org/10.1016/j.eurpolymj.2013.04.014.

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5

Sviridova, Tatyana V. "Fine control over the structure and morphology of metal-matrix composites employing submicron oxide particles with the adjustable redox-activity." Journal of the Belarusian State University. Chemistry, no. 2 (August 27, 2020): 82–88. http://dx.doi.org/10.33581/2520-257x-2020-2-82-88.

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It is shown that copolycondensation of mixed vanadic and molybdic acids under the solvothermal conditions yields substitutional solid solution V2O5 : MoO3 (isostructural to V2O5 xerogel) the redox activity of which exhibits increase with the MoO3 content. Thus obtained mixed oxide 0.5V2O5 : 0.5MoO3 with high redox activity, being codeposited with the galvanic nickel, ensure multicenter nucleation of metal phase, yields compact composite with the enhanced corrosion stability.
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6

Racles, Carmen, Vasile Cozan, and Maria Cazacu. "New Arylidene—Siloxane Polyesters." High Performance Polymers 15, no. 3 (2003): 231–42. http://dx.doi.org/10.1177/0954008303015003001.

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New siloxane-containing polyesters with arylidene mesogenic moieties were prepared by copolycondensation reactions between bis(hydroxybuthyl)siloxanes, 2,6-bis(4-hydroxybenzylidene)cyclohexanone, and diacid chlorides such as sebacoyl and terephthaloyl. The polymer structure was confirmed by IR and 1H-NMR spectroscopy. They were characterized by gel permeation chromatography and ultraviolet analyses. The thermotropic liquid crystalline behavior was investigated by differential scanning calorimetry and polarized optical microscopy.
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7

Beev, A. A., S. Yu Khashirova, D. A. Beeva, and M. U. Shokumova. "To the question of the synthesis of aromatic copolyether sulfone ketones." Plasticheskie massy, no. 11-12 (January 11, 2024): 10–13. http://dx.doi.org/10.35164/0554-2901-2023-11-12-10-13.

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Synthesis reactions and physico-mechanical, thermal properties of new aromatic copolyethersulfone ketones were studied in relation to the chemical structure of activated dihaloarenes and diols in a simpler, more economical way. It is shown that by controlling the ratio of monomers and the order of their introduction into the copolycondensation reaction, it is possible to obtain aromatic copolyethersulfone ketones with increased temperature and physicomechanical characteristics.
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8

Brahmbhatt, D. I., and B. R. Hirani. "Synthesis and Characterization of Coumarin–Trioxane–Urea Copolymers." High Performance Polymers 8, no. 2 (1996): 295–300. http://dx.doi.org/10.1088/0954-0083/8/2/010.

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4-methyl-7-hydroxycoumarin trioxane urea (MHCTU) copolymers were prepared by copolycondensation of 4-methyl-7 hydroxycoumarin (MHC), trioxane (T) and urea (U) in the presence of 2 M HCl/H2SO4 as a catalyst with different molar ratios of reacting monomers. The copolymers were characterized by elemental analysis, IR spectral and TGA studies. The number average molecular weight ( Mn) of all the produced copolymers was determined by non-aqueous titrimetry.
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9

Ogata, Naoya, Kohei Sanui, Anchi Zao, Masayoshi Watanabe, and Tomoaki Hanaoka. "Direct Copolycondensation for the Synthesis of Copolyamides or Copolyesters." Polymer Journal 20, no. 7 (1988): 529–37. http://dx.doi.org/10.1295/polymj.20.529.

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10

Mo, Guang Zhen, Jin Feng Xiong, Pai Peng, and Zhao Yang Wang. "Structural Characterization of Serial Novel Star-Shaped Biodegradable Material Poly(lactic acid-co-melamine)." Advanced Materials Research 781-784 (September 2013): 491–94. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.491.

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Using flame retardant melamine (MA) as a new aromatic core, biodegradable material poly (lactic acid-co-melamine) [P(LA-co-MA)] with different molar feed ratios are synthesized via direct melt copolycondensation. The structures of P(LA-co-MA) s are characterized by FT-IR,1H-NMR,13C-NMR and GPC. The results indicate that MA moiety as the core is incorporated into the PLA backbone as expected, and the obtained products are copolymers indeed.
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11

Beev, Aues A., S. Yu Khashirova, D. A. Beeva, M. U. Shokumova, and V. Z. Aloev. "Some Features of Copoly(Arylene Ether Ether Ketone) Synthesis by Nucleophilic Substitution Reaction." Key Engineering Materials 816 (August 2019): 9–13. http://dx.doi.org/10.4028/www.scientific.net/kem.816.9.

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Studies on the improvement of the processes of synthesis of poly (arylene ether ether ketone) s and copoly (arylene ether ether ketone), which have found wide application as the basis of many engineering plastics, have important practical significance. In the present paper, some features of the synthesis of copoly (arylene ether ether ketone) by nucleophilic substitution reaction are considered, the dependencies of the reduced viscosity of copolyesters on the chemical structure of diols and the conditions of the copolycondensation processes are clarified.
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12

Ihara, Eiji, Koh Kobayashi, Takao Wake, Tomomichi Itoh та Kenzo Inoue. "Mg-mediated Copolycondensation of α,α-Dibromotoluene with Bifunctional Electrophiles". Polymer Bulletin 60, № 2-3 (2007): 211–18. http://dx.doi.org/10.1007/s00289-007-0858-6.

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13

Tomina, Veronika V., Galyna I. Nazarchuk, and Inna V. Melnyk. "Modification of Ceramic Membranes by Silica Nanoparticles with Thiourea Functions." Journal of Nanomaterials 2019 (April 30, 2019): 1–8. http://dx.doi.org/10.1155/2019/2534934.

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Sol-gel approach based on hydrolytic copolycondensation of tetraethoxysilane (TEOS) with ethylthiocarbamidepropyl triethoxysilane (ETUS) was used to deposit functional layers with thiourea functions on the surface of macroporous ceramic alumina membrane supports. According to SEM images, such layers are composed of nanoparticles of about 60-70 nm in diameter, while IR spectroscopy data confirmed the presence of functional groups introduced during the synthesis. Such functionalization technique allows combining sorption and membrane technology and could be successfully used to remove trace quan
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14

Людмила Батразовна, Дзараева,, and Арутюнянц, Анна Ашотовна. "MODIFICATION OF THE SILICA SURFACE BY ROLLING GROUPS." Вестник Тверского государственного университета. Серия: Химия, no. 4(50) (January 18, 2023): 95–103. http://dx.doi.org/10.26456/vtchem2022.4.12.

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В работе предложена методика модифицирования поверхности кремнезема паракватными группировками взаимодействием γ,γ’-дипиридила с бромистым аллилом. Полученный N,N’-диаллил-γ,γ’дипиридиний дибромид введен в реакцию с триэтоксисиланом, а затем проведена сополиконденсация образованного бис-(3триэтоксисилилпропил)-γ,γ’-дипиридиний дибромида с тетраэтоксисиланом. The paper proposes a technique for modifying the silica surface with paraquatic groupings by the interaction of γ,γ’-dipyridyl with allyl bromide. The resulting N,N’-diallyl-γ,γ’-dipyridinium dibromide was reacted with triethoxysilane, and
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15

Khmelnitskaia, Alina G., Aleksandra A. Kalinina, Ivan B. Meshkov, et al. "Synthesis of Vinyl-Containing Polydimethylsiloxane in An Active Medium." Polymers 16, no. 2 (2024): 257. http://dx.doi.org/10.3390/polym16020257.

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This research deals with the synthesis of copoly(methylvinyl)(dimethyl)siloxanes by the copolycondensation of dimethyldiethoxy- and methylvinyldimethoxysilane in an active medium, followed by thermal condensation in a vacuum. We achieved a range of copolymers exhibiting finely tuned molecular weights spanning between 1500 and 20,000 with regulated functional methylvinylsiloxane units. Analysis of the microstructure showed that the copolymerization predominantly formed products demonstrating a random distribution of units (R~1). However, an increase in the content of vinyl-containing monomers i
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16

Kopylov, V. M., S. P. Agashkov, V. V. Kireyev, and M. Ye Krylova. "Effect of hydrochloric acid on hydrolytic copolycondensation of dimethyldichlorosilane with trimethylchlorosilane." Polymer Science U.S.S.R. 28, no. 7 (1986): 1630–38. http://dx.doi.org/10.1016/0032-3950(86)90336-9.

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17

Sviderskii, V. A., M. G. Voronkov, S. V. Klimenko, A. A. Khal?kova, and V. S. Klimenko. "Hydrolytic copolycondensation of ethyl silicate with copper salts under heterogeneous conditions." Russian Journal of Applied Chemistry 77, no. 11 (2004): 1891–93. http://dx.doi.org/10.1007/s11167-005-0183-5.

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18

Li, Ping, Yiqiang Wu, Ya Zhou, and Yingfeng Zuo. "Preparation and characterization of resorcinol-dialdehyde starch-formaldehyde copolycondensation resin adhesive." International Journal of Biological Macromolecules 127 (April 2019): 12–17. http://dx.doi.org/10.1016/j.ijbiomac.2018.12.249.

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19

Du, Zhuwei, Lei Li, Qixiang Zhou, and Deshan Liu. "Reactivity of Diamine Monomers in Non-Equilibrium Copolycondensation Toward Aromatic Copolyamides." Macromolecular Rapid Communications 24, no. 8 (2003): 503–7. http://dx.doi.org/10.1002/marc.200390074.

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20

Higashi, Fukuji, and Ryohsuke Hayashi. "Copolycondensation of IPA/TPA, BPA, and 4,4?-dihydroxydipehnylsulfone and 4,4?-dicarboxydiphenylsulfone." Journal of Applied Polymer Science 77, no. 4 (2000): 875–79. http://dx.doi.org/10.1002/(sici)1097-4628(20000725)77:4<875::aid-app22>3.0.co;2-4.

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21

Fedotov, Yu A., V. A. Subbotin, L. B. Sokolov, S. S. Gitis, N. I. Zotova, and G. N. Troshin. "Effect of reaction conditions in emulsion copolycondensation on structure of aromatic copolyamides." Polymer Science U.S.S.R. 27, no. 10 (1985): 2402–8. http://dx.doi.org/10.1016/0032-3950(85)90321-1.

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22

Li, Cheng, Wen Wang, Youbing Mu, et al. "Structural Properties and Copolycondensation Mechanism of Valonea Tannin-Modified Phenol-formaldehyde Resin." Journal of Polymers and the Environment 26, no. 3 (2017): 1297–309. http://dx.doi.org/10.1007/s10924-017-1008-3.

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23

Hbaieb, S., W. Kammoun, C. Delaite, M. Abid, S. Abid, and R. El Gharbi. "New Copolyesters Containing Aliphatic and Bio-Based Furanic Units by Bulk Copolycondensation." Journal of Macromolecular Science, Part A 52, no. 5 (2015): 365–73. http://dx.doi.org/10.1080/10601325.2015.1018807.

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24

Xu, Dawei, Dingcai Wu, Tongbai Yu, and Ruowen Fu. "Facile synthesis of silicone-toughened unsaturated polyester by hydroxyl-terminated silicone copolycondensation." Journal of Applied Polymer Science 135, no. 5 (2017): 45562. http://dx.doi.org/10.1002/app.45562.

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25

Ding, Feng, Da Zhi Wang, Shao Yin Zhang, and Tian Xing Liu. "Synthesis and Characterization of Novel Poly (aryl ether sulfone ketone) S Containing M-Sulfonylbenzonyl Linkage in the Main Chains." Advanced Materials Research 396-398 (November 2011): 1518–22. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.1518.

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A low expense chloro-monomer, 1-(4'-chloro-1-benzoyl)-3-(4'-1-choro-benzene sulfonyl)-benzene(CBCBSB), was synthesized by the Friedel-Crafts reaction of m-chlorosu1fonyl benzoyl chloride with chlorobenzene. A novel poly (aryl ether sulfone ketone)s (PAESK) containing m-sulfonylbenzoyl linkages in the main chains were prepared by copolycondensation of CBCBSB with hydroquinone in N, N-Dimethylacetamide (DMAc). The structure of PAESK was confirmed by FT-IR, 1H-NMR and characterized by XRD. thermogravimetry (TG) and Differential Scanning Calorimeter (DSC) were carried out to demonstrate its good m
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26

Mi, Yu Xiao, Ze Hua Zhou, Ze Hua Wang, Guo Wei Wang, and Juan Yao. "Superhydrophobic Surface Prepared by Organic-Inorganic Hybrid Material on Plasma Spraying Al2O3+13wt. %TiO2 Ceramic Coating." Materials Science Forum 817 (April 2015): 76–81. http://dx.doi.org/10.4028/www.scientific.net/msf.817.76.

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The plasma spraying Al2O3+13wt. %TiO2 ceramic coating was coated with organic-inorganic hybrid emulsion. The hybrid emulsion prepared through co-hydrolysis and copolycondensation reactions of tetraethoxysilane (TEOS) and methyltriethoxysilane (MTES), and methylsilicone resin was added in the emulsion to improve the film-forming properties. The morphologies, chemical compositions and hydrophobicity of the resulting surfaces were analyzed by scanning electron microscopy (SEM), 3-dimensional stereoscopic microscope, energy dispersive X-ray detector (EDX), Fourier transfer infrared spectrometer (F
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27

Imasaka, Kazumichi, Tsuneji Nagai, Masaru Yoshida, Hironobu Fukuzaki, Masaharu Asano та Minoru Kumakura. "Direct copolycondensation of ϵ-caprolactone with δ-valerolactone in the absence of catalysts". European Polymer Journal 26, № 8 (1990): 831–36. http://dx.doi.org/10.1016/0014-3057(90)90153-u.

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28

Vassilina, Gulzira, Kamilla Umbetkaliyeva, Albina Abdrassilova, Tursunay Vassilina, and Zhassulan Zakirov. "The mesoporous aluminosilicate application as support for bifunctional catalysts for n-hexadecane hydroconversion." Open Chemistry 20, no. 1 (2022): 225–36. http://dx.doi.org/10.1515/chem-2022-0134.

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Abstract Mesoporous aluminosilicate (MAS) and bifunctional catalysts based on it were synthesized. The MAS synthesis is based on the method of copolycondensation of silicon and aluminum sources in the presence of alcohol. Hexadecylamine was used as a template for the formation of a porous structure. The catalysts were characterized by X-ray diffraction, Brunauer–Emmett–Teller, temperature-programmed desorption of ammonia, hydrogen-temperature programmed reduction, Fourier transform infra-red spectroscopy, and diffuse reflectance infrared Fourier transform spectroscopic methods. The catalytic a
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29

Hu, Xiaoran, Hailan Kang, Yan Li, et al. "Direct copolycondensation of biobased elastomers based on lactic acid with tunable and versatile properties." Polymer Chemistry 6, no. 47 (2015): 8112–23. http://dx.doi.org/10.1039/c5py01332a.

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30

Shibasaki, Yuji, Kenta Hoshi, Eiichi Suzuki, Yutaka Shiraishi, Yasumasa Norisue, and Yoshiyuki Oishi. "Oxidative Coupling Copolycondensation of 2,6-Dimethylphenol with 2,5-Dimethylphenol: Highly Thermostable Poly(phenylene ether)." Polymer Journal 41, no. 12 (2009): 1136–43. http://dx.doi.org/10.1295/polymj.pj2009067r.

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31

Zhou, Zhiping, and Deyue Yan. "Kinetic treatment for the copolycondensation of A2 and CB2 monomers with non-equal reactivity." Polymer 52, no. 23 (2011): 5387–92. http://dx.doi.org/10.1016/j.polymer.2011.09.025.

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32

ABDRASSILOV, A. K., K. M. ABDILDINA, G. K. VASSILINA, I. A. KLASSEN, N. A. ZABARA, and D. R. BAIDULLA. "MESOPOROUS ALUMINOSILICATES AS PROMISING CARRIERS OF CATALYSTS FOR PETROCHEMICAL PROCESSES." Neft i Gaz 132, no. 6 (2022): 115–25. http://dx.doi.org/10.37878/2708-0080/2022-6.10.

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Nowadays there is a number of research papers and a certain interest in some mesoporous materials and the study of their properties. Mesoporous materials have every chance to become components of industrial heterogeneous catalysts. Catalysts based on mesoporous aluminosilicates are widely used in the petrochemical industry for hydrogenation, reforming, hydroisomerization, hydrocracking, hydrodearomatization, etc. In this article mesoporous aluminosilicates (MAS) were synthesized by copolycondensation of tetraethylortosilicate and secondary aluminum butoxide. Hexadecylamine was used as a templa
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33

Bredov, N. S., Van Thuan Nguyen, D. S. Zaitseva, et al. "Structure of the Products of Hydrolytic Copolycondensation of 3-Aminopropyltriethoxysilane and 3-Methacryloxypropyltrimetoxysilane: NMR Study." Polymer Science, Series B 63, no. 4 (2021): 341–49. http://dx.doi.org/10.1134/s1560090421040047.

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34

Kiciński, Wojciech, Małgorzata Norek, Aleksandra Dziura, and Marek Polański. "Copolycondensation of heterocyclic aldehydes: A general approach to sulfur and nitrogen dually-doped carbon gels." Microporous and Mesoporous Materials 225 (May 2016): 198–209. http://dx.doi.org/10.1016/j.micromeso.2015.11.050.

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35

Mizerovskii, L. N., L. V. Khanzutina, and A. K. Kuznetsov. "Thermodynamics of the reaction of copolycondensation of 4-acetoxybenzoic and 6-acetoxy-2-naphthoic acids." Fibre Chemistry 29, no. 5 (1997): 292–97. http://dx.doi.org/10.1007/bf02408151.

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36

Kim, Joon Ho, Sang Yong Lee, Jun Ho Park, Won Seok Lyoo, and Seok Kyun Noh. "Kinetics of polycondensation and copolycondensation of Bis(3-hydroxypropyl terephthalate) and Bis(2-hydroxyethyl terephthalate)." Journal of Applied Polymer Science 77, no. 3 (2000): 693–98. http://dx.doi.org/10.1002/(sici)1097-4628(20000718)77:3<693::aid-app24>3.0.co;2-q.

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37

Wang, Bing Tao, Yan Zhang, and Zheng Ping Fang. "Synthesis and Characterization of Biodegradable Aliphatic-Aromatic Copolyesters Nanocomposites Containing POSS." Advanced Materials Research 236-238 (May 2011): 2028–31. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.2028.

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Biodegradable aliphatic-aromatic copolyesters/POSS nanocomposites were synthesized via in situ melt copolycondensation of terephthalic acid (TPA), poly(L-lactic acid) oligomer (OLLA), 1,4-butanediol (BDO) and polyhedral oligomeric silsesquioxanes (POSS) reagents (POSS-NH2 and POSS-PEG). The morphologies and dispersions of two POSS reagents in the nanocomposites and their effects on the mechanical and thermal properties were investigated. TEM and XRD characterizations confirmed that POSS-NH2 formed crystalline microaggregates and took poor dispersions in the nanocomposite, while POSS-PEG had be
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38

Hu, Jinfeng, Jianhua Wang, Shengli Qi, Guofeng Tian, and Dezhen Wu. "Thermoplastic and soluble co-polyimide resins fabricated via the incorporation of 2,3,3′,4′-biphenyltetracarboxylic dianhydride." High Performance Polymers 31, no. 9-10 (2019): 1272–79. http://dx.doi.org/10.1177/0954008319846237.

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A series of co-polyimide (co-PI) resins with distorted noncoplanar structure were carefully designed and successfully fabricated by copolycondensation of 2,3,3′,4′-biphenyltetracarboxylic dianhydride, 4,4′-oxydianiline (ODA), and 4,4′-(1,3-phenylenedioxy)dianiline (TPER). As-introduced asymmetric structure endowed these co-PI resins with excellent solubility and relatively low melt viscosity. Molecular simulation and dielectric analysis confirmed that the distorted noncoplanar structure induced a large amount of free volume. The minimum melt viscosity of co-PI resins decreased with increasing
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39

Naibova, T., K. Abbasova, and М. Janiyeva. "OBTAINING, RESEARCH AND APPLICATION OF ION EXCHANGER RESINS BASED ON COOLIGOMERS." Danish scientific journal, no. 72 (May 25, 2023): 23–26. https://doi.org/10.5281/zenodo.7997319.

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<strong>Abstract</strong> At present, the chemistry of high-molecular compounds is one of the fastest growing areas of independent science. In modern times, there is not a single area of human activity in which high-molecular compounds are not used. High-molecular compounds have existed since very ancient times. However, many believe that these compounds became known by chemists after obtaining them artificially or synthetically. This is not the right idea. Thus, while the synthetic production of member substances began at the beginning of the ⅪX century, high-molecular compounds were known ev
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40

Wang, Xiaozhou, Liyan Zhang, and Yifei Wang. "Preparation of HfC-SiC ultra-high-temperature ceramics by the copolycondensation of HfC and SiC precursors." Journal of Materials Science 57, no. 7 (2022): 4467–80. http://dx.doi.org/10.1007/s10853-022-06934-1.

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41

Wan, J., S. Z. Hu, F. Y. Li, Z. P. Fa, G. Lu, and J. Zhang. "Preparation of Mesoporous Carbon Nitride Photocatalyst with Tunable Band Structure by Copolycondensation of Dicyandiamide and Urea." Asian Journal of Chemistry 26, no. 24 (2014): 8553–56. http://dx.doi.org/10.14233/ajchem.2014.18342.

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42

Buotevin, B., and B. Youssef. "Synthese de polysiloxanes fluores. Partie 7 Copolycondensation de 1,4 bis (hydroxydimethylsilyl) benzene avec les dichlorosilanes fluores." Journal of Fluorine Chemistry 45, no. 3 (1989): 355–76. http://dx.doi.org/10.1016/s0022-1139(00)82871-7.

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43

Zuo, Yingfeng, Wenjie Liu, Junhua Xiao, Xianjun Li, Xing Zhao, and Yiqiang Wu. "NaOH and Ba(OH)2 Compound Catalyzed Phenol-Resorcinol-Formaldehyde Copolycondensation Resin Adhesive for Recombined Bamboo." Journal of Wuhan University of Technology-Mater. Sci. Ed. 34, no. 2 (2019): 459–64. http://dx.doi.org/10.1007/s11595-019-2074-2.

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44

Kim, Joon Ho, Jun Ho Park, Chang Hwan Kwon, and Won Seok Lyoo. "Kinetics of the polycondensation and copolycondensation of bis(3-hydroxypropyl) terephthalate and bis(4-hydroxybutyl) terephthalate." Journal of Polymer Science Part A: Polymer Chemistry 40, no. 14 (2002): 2435–41. http://dx.doi.org/10.1002/pola.10347.

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Higashi, Fukuji, and Kiyoshi Mitani. "Effect of association of dicarboxylic acids activated by TsCl/DMF/pyridine upon the copolycondensation with bisphenols." Journal of Polymer Science Part A: Polymer Chemistry 39, no. 1 (2000): 196–201. http://dx.doi.org/10.1002/1099-0518(20010101)39:1<196::aid-pola220>3.0.co;2-e.

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46

Liang, Jiankun, De Li, Xiao Zhong, et al. "Crosslinking Mechanism of Tannin-Based Adhesives Based on Model Compounds: Copolycondensation of Resorcinol with Dimethylol Urea." Forests 15, no. 1 (2024): 98. http://dx.doi.org/10.3390/f15010098.

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This study focuses on the competition reaction rules of a system containing resorcinol (as a tannin model compound) and dimethylol urea (as a urea–formaldehyde resin model compound) under various alkaline and acidic environments. The aim is to investigate the crosslinked modification mechanism of urea–formaldehyde resin with tannin adhesive. The study delves into the competitive relationship between self-condensation polymerization reactions and co-condensation polymerization reactions. It specifically highlights the conditions for the copolycondensation reaction of dimethylolurea and resorcin
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Wang, Bing Tao, Ping Zhang, and De Gao. "PLA-Based Biodegradable Copolyester Nanocomposites: Preparation, Characterization and Mechanical Properties." Advanced Materials Research 380 (November 2011): 290–93. http://dx.doi.org/10.4028/www.scientific.net/amr.380.290.

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In situ melt copolycondensation was proposed to prepare biodegradable copolyester nanocomposites based on degradable components poly(L-lactic acid) (PLA), rigid segments poly(butylene terephthalate) (PBT), and nanoparticles polyhedral oligomeric silsesquioxanes (POSS). The morphologies and dispersions of two POSS nanoparticles (POSS-NH2 and POSS-PEG) in the copolyester PLABT matrix and their effects on the mechanical properties were investigated. The results demonstrated that the morphologies and dispersions of POSS-NH2 and POSS-PEG showed quite different characteristics. POSS-PEG took better
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Zheng, Yu Lei, Shuang Chen, Jia Hui Wang, and Ru Xiao. "Synthesis and Characterization of Phosphorus-Containing Flame Retardant Polyamide 66." Materials Science Forum 977 (February 2020): 102–7. http://dx.doi.org/10.4028/www.scientific.net/msf.977.102.

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Polyamide 66 (PA66) benefits from excellent mechanical properties and good chemical resistance, which enabled wide application of this material in various industrial fields; however, it suffers from high flammability. Generally, preparation of a flame retardant PA from a reactive flame retardant involves a two-step process. In this study, the flame retardant PA66s (FRPA66s) are synthesized via a one-pot melt copolycondensation route by using a reactive phosphorus-containing flame retardant (FR-B). Then, molecular weight, some mechanical and thermal properties along with flame retardant propert
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Han, Man Jung, Hee Cheol Kang, and Keun Bae Choi. "Kinetics of the copolycondensation by aminolysis, alcoholysis, and interchange reactions in the synthesis of poly(ester amide)." Macromolecules 19, no. 6 (1986): 1649–52. http://dx.doi.org/10.1021/ma00160a028.

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Irzhak, T. F., and V. I. Irzhak. "Structural kinetics of the formation of hyperbranched polymers via copolycondensation in the presence of the substitution effect." Polymer Science Series B 55, no. 5-6 (2013): 382–90. http://dx.doi.org/10.1134/s1560090413060031.

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