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Journal articles on the topic 'Epoxide composites'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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1

Lu, Yan Yan, Hua Li, and He Zhou Liu. "Electron Beam Curing of Epoxide Modified MWNTs/Epoxy Composites." Materials Science Forum 688 (June 2011): 69–73. http://dx.doi.org/10.4028/www.scientific.net/msf.688.69.

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Electron beam (EB) has been used in curing of polymers in view of its advantages over conventional curing processes including short curing time, lower thermal stress, reduction of hazardous chemical volatiles, higher production flexibility. Carbon nanotubes have been recognized as promising filler that can be used to change the mechanical, thermal and electrical properties of the polymer matrix composites. In this paper, EB curing of epoxide modified multi-walled carbon nanotubes (MWNTs)/epoxy composite has been investigated, and a bisphenol-A epoxy resin was used as matrix. MWNTs were chemica
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2

Sabino-Netto, Aurélio C., Gean V. Salmoria, Carlos H. Ahrens, and António Sergio Pouzada. "Friction Properties of Steel Fibre Reinforced Epoxy Composites Used in Moulding Blocks of Hybrid Moulds." Materials Science Forum 587-588 (June 2008): 217–21. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.217.

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Rapid tools for injection moulding are often produced by casting of epoxide filled composites. The moulding blocks obtained in this way are likely to undergo wear especially at the surfaces of the moulding cores during the ejection phase. In this study, tribological properties of epoxide composites containing different volume fractions of short steel fibres used in moulding blocks were assessed. Friction tests with the composites and moulded polypropylene were carried out with a prototype equipment that reproduces the actual ejection phase of injection moulding. The friction data were interpre
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3

Gallyamov, A. R., I. D. Ibatullin, and A. Y. Murzin. "Improvement of Electrical Insulating and Anti-Wear Properties of Composites Used in Telemetry Systems." Applied Mechanics and Materials 792 (September 2015): 578–81. http://dx.doi.org/10.4028/www.scientific.net/amm.792.578.

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This article deals with the research results of electroinsulated and tribotechnical properties of composite materials on the basis of epoxide resin. The effect of fillers — micro-and nanopowders of various materials - on the properties of composites is examined. The use of composites in the manufacture of separators for telemetry systems is demonstrated.
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4

Quadflieg, Till, Sebastian Leimbrink, Thomas Gries, and Oleg Stolyarov. "Effect of coating type on the mechanical performance of warp-knitted fabrics and cement-based composites." Journal of Composite Materials 52, no. 19 (2018): 2563–76. http://dx.doi.org/10.1177/0021998317750003.

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High-performance textiles are used for reinforcing concrete structural parts. This paper presents a technique for producing coated weft-inserted warp-knitted fabrics for concrete applications. Three types of reinforced fabrics differing in coating type and composed of alkali-resistant-glass rovings resulting in a cement composite matrix were produced. The investigated coatings include potassium silicate, carboxylated styrene butadiene rubber and epoxide. The mechanical properties of the developed fabrics and cement composites were determined according to the coating type. Thereafter, the mecha
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Mostovoy, Anton, Amirbek Bekeshev, Andrey Shcherbakov, Arai Zhumabekova, Zhadira Nurtai, and Marina Lopukhova. "Preparation and Characteristics of Fire-Safe Foamed Epoxy Composites Filled with Technogenic Waste from Ceramic Brick Production." Journal of Composites Science 9, no. 1 (2025): 15. https://doi.org/10.3390/jcs9010015.

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As a result of the conducted studies, the method of combining components and foaming parameters for obtaining foam epoxides has been selected. The relationship between the structure of the foam epoxide and the amount of the added blowing agent—ammonium carbonate—has been established. This study explores the development of fire-safe foamed epoxy composites by incorporating technogenic waste from ceramic brick production. The optimized composites demonstrated improved compressive strength, enhanced fire resistance (the LOI—35–44%—and successful UL-94 V-0 testing) through the use of flame retarda
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6

Lu, Yan Yan, Hua Li, and He Zhou Liu. "Study on Electron Beam Curing of APTES Functionalized MWNTs/ Epoxy Composites." Advanced Materials Research 194-196 (February 2011): 1607–10. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.1607.

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In this study, we prepared the 3-aminopropyltriethoxysilane (APTES) functionalized MWNTs/epoxy composites by electron beam (EB) irradiation process. The modified MWNTs were characterized with SEM-EDS and FTIR. The gel content and conversion rate of epoxide groups of the EB cured pure epoxy resin and the APTES functionalized MWNTs/epoxy composites were measured and discussed. And the mechanical properties of the EB cured composites were also characterized. With addition of 0.25wt% APTES functionalized MWNTs, the Vicker’s hardness of the EB cured composite increased 100.02% compared with pure ep
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7

Bok, Goseong, Gayoung Lim, Mingi Kwak, and Youngmin Kim. "Super-Toughened Fumed-Silica-Reinforced Thiol-Epoxy Composites Containing Epoxide-Terminated Polydimethylsiloxanes." International Journal of Molecular Sciences 22, no. 15 (2021): 8097. http://dx.doi.org/10.3390/ijms22158097.

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In response to the demand for high-performance materials, epoxy thermosetting and its composites are widely used in various industries. However, their poor toughness, resulting from the high crosslinking density of the epoxy network, must be improved to expand their application to the manufacturing of flexible products. In this study, ductile epoxy thermosetting was produced using thiol compounds with functionalities of 2 and 3 as curing agents. The mechanical properties of the epoxy were further enhanced by incorporating fumed silica into it. To increase the filler dispersion, epoxide-termina
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8

Sabino-Netto, Aurélio C., Gean V. Salmoria, Carlos H. Ahrens, and António Sergio Pouzada. "Mechanical Properties of Epoxy Composites Filled with Short Steel Fibres for Hybrid Injection Moulds." Materials Science Forum 587-588 (June 2008): 222–26. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.222.

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Epoxide filled composites are being increasingly used for mouldings blocks of hybrid injection moulds. The filling is sought for improving both mechanical and thermal properties that are relevant for the mould performance. In spite of several works investigating the particulate filling of resins, there are only a few reports on fibre reinforcement. Composites based on an epoxy system with varying volume fractions of short steel fibres (SSF) were investigated. The mechanical properties were determined for each composite, and the topography of the fracture surfaces was analyzed by SEM. The mecha
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9

Roy, Kumarjyoti, Subhas Chandra Debnath, Aphiwat Pongwisuthiruchte, and Pranut Potiyaraj. "NATURAL RUBBER/MICROCRYSTALLINE CELLULOSE COMPOSITES WITH EPOXIDIZED NATURAL RUBBER AS COMPATIBILIZER." Rubber Chemistry and Technology 92, no. 2 (2019): 378–87. http://dx.doi.org/10.5254/rct.19.81533.

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ABSTRACT An exploration of the effect of epoxidized NR with 50 mole% epoxide groups (ENR-50) as compatibilizer on the rubber–filler interaction of microcrystalline cellulose (MCC)-filled NR composites was conducted. The compatibilizing efficiency of ENR-50 was systematically examined in terms of cure and mechanical and thermal properties of NR/MCC composites. ENR-50 compatibilized NR/MCC composites showed moderate enhancement in the maximum rheometric torque and tensile properties compared to either uncompatibilized NR/MCC composite or unfilled NR system. The solvent uptake measurements indica
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10

YAMAZAKI, Toshiharu, and Kazuo CHIBA. "Fatigue strength of alumina particulate filled epoxide composites." Journal of the Society of Materials Science, Japan 35, no. 393 (1986): 629–35. http://dx.doi.org/10.2472/jsms.35.629.

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11

Wang, Shiren, Richard Liang, Ben Wang, and Chuck Zhang. "Reinforcing polymer composites with epoxide-grafted carbon nanotubes." Nanotechnology 19, no. 8 (2008): 085710. http://dx.doi.org/10.1088/0957-4484/19/8/085710.

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12

Guan, Li, Bing Bing Fan, Ming Liang Li, et al. "Preparation and Microwave-Absorption Property of SiO2-SiC-Based Composites." Key Engineering Materials 434-435 (March 2010): 231–34. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.231.

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SiO2-SiC composite particles were prepared using a sol-gel process. BaTiO3 powders were synthesize through solid-state reaction. They were mixed as microwave absorbents with Fe3O4 powders to obtain the complex absorption. Epoxide resin (EP) was used as matrix and solidified with the mixtures. The techniques of DSC-TG, XRD were used to characterize the composite particles and the obtained compacts. A vector network analyzer was used to measure the reflectivity of the SiO2-SiC-based composites. The effects of the aborbents’ contents on the reflection of the microwave absorption materials were di
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13

Drabik, Jolanta. "Self-lubricating epoxide composites Kompozyty epoksydowe o właściwościach samosmarujących." PRZEMYSŁ CHEMICZNY 1, no. 12 (2015): 158–62. http://dx.doi.org/10.15199/62.2015.12.24.

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14

Chen, Xiaodong, Guiqin Wang, Yuping Duan, and Shunhua Liu. "Microwave absorption properties of barium titanate/epoxide resin composites." Journal of Physics D: Applied Physics 40, no. 6 (2007): 1827–30. http://dx.doi.org/10.1088/0022-3727/40/6/035.

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15

Eun, Jong Hyun, Dong Hyun Kim, Joon Seok Lee, and Jin Sung Chon. "Effect of toughened polyamide/carbon fiber interlace braid fabric on the mechanical performance of CFRP laminates." Advanced Composites Letters 29 (January 1, 2020): 096369352090616. http://dx.doi.org/10.1177/0963693520906162.

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Delamination resistance and epoxy matrix brittle fracture have been the main issues in carbon/epoxy composites laminates. Various studies have been reported to complement the brittle fracture of epoxy matrix. Conventional methods of fabricating toughened carbon/epoxy composite laminates were thermo-plastic veils and films interleaving methods, directly toughening the matrix resin and dispersing nanoparticles in the matrix. In this study, the carbon/epoxy composites laminates were manufactured using carbon fiber/polyamide fiber braided fabrics. The chemical interactions between polyamide and ep
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16

Ji, K. J., C. Y. Wei, W. H. Deng, et al. "Evaluation of Glass Fibre/Epoxy Prepreg Quality during Storage." Polymers and Polymer Composites 10, no. 8 (2002): 599–606. http://dx.doi.org/10.1177/096739110201000803.

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This paper reports the characterisation methods used in evaluating the chemical changes in glass fibre/epoxy prepregs during storage in an environment chamber. The specimens were exposed to an environment with a relative humidity of 50% at 25°C for up to 196 days. Various physicochemical analysis methods were used to determine the extent of the changes to the prepregs during storage. These methods include infrared spectroscopy (IR), thermal analysis (TA) and other chemical methods to measure the volatile and insoluble components content. During storage, the chemical reaction occurs between som
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17

Kaptakov, M. O. "Investigation of Effective Mechanical Characteristics of Nanomodified Carbon-Epoxide Composite by Numerical and Analytical Methods." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 5 (2021): 535–41. http://dx.doi.org/10.17762/turcomat.v12i5.1049.

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In this work, the mechanical properties of composite samples prepared using a conventional and nanomodified matrix were studied. The thickness of the monolayers in the samples was 0,2 μm. It was found in experiments, that the addition of fullerene soot as a nanomodifierled to an increase in the mechanical properties of the samples along the direction of reinforcement. At the same time, an improvement in the quality of the contact of the matrix with the fibers in the samples with the nanomodifier was observed: on the fracture surface, the nanomodified matrix envelops the fibers, while the usual
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18

Ariesta, Annisa, Muammar Pierre A. Ferriyanaa, and E. I. Bhiftime. "Investigation of Gnetum Gnemon and Ramie Natural Fiber on the Mechanical Properties of Composites with the Combination of Aramid and Carbon Fiber as Reinforcement for Military Personnel Applications." Jurnal Teknik Mesin Indonesia 19, no. 02 (2024): 96–102. http://dx.doi.org/10.36289/jtmi.v19i02.757.

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Every equipment infrastructure in a TNI unit will be needed to support an operation in the defence system to maintain the integrity of the Unitary State of the Republic of Indonesia. Personal protective equipment is needed for a war operation’s safety or continuity. Protective components made from composite fibers have the advantage of being resistant to corrosion caused by the environment. The natural and carbon fibers will be mixed/reinforced with epoxy resin to become composite materials. This study aims to identify Gnetum Gnemon fiber composites with carbon fiber and aramid fiber to determ
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19

Ramírez-Herrera, Claudia A., Isidro Cruz-Cruz, Isaac H. Jiménez-Cedeño, Oscar Martínez-Romero, and Alex Elías-Zúñiga. "Influence of the Epoxy Resin Process Parameters on the Mechanical Properties of Produced Bidirectional [±45°] Carbon/Epoxy Woven Composites." Polymers 13, no. 8 (2021): 1273. http://dx.doi.org/10.3390/polym13081273.

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This work focuses on investigating the curing process of an epoxy-based resin—Aerotuf 275-34TM, designed for aerospace applications. To study the curing degree of Aerotuf 275-34TM under processing conditions, woven carbon fiber fabric (WCFF)/Aerotuf 275-34TM composite laminates were produced by compression molding using different processing temperatures (110, 135, 160, and 200 °C) during 15 and 30 min. Then, the mechanical behavior of the composite laminates was evaluated by tensile tests and correlated to the resin curing degree through Fourier-transform infrared spectroscopy (FTIR) analysis.
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20

Tuleugaliyeva, E. S., and A. Z. Bekeshev. "EPOXY COMPOSITES REINFORCED WITH FIRE-RESISTANT DIORITE." Vestnik of M. Kozybayev North Kazakhstan University, no. 2 (54) (July 7, 2022): 17–24. http://dx.doi.org/10.54596/2309-6977-2022-2-17-24.

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As a result of the work, the influence of the polyfunctional modifier oligo (resorcinol phenyl phosphate) and the dispersed mineral filler diorite with terminal phenyl groups on the physicochemical and deformation -strength properties of epoxy composites was studied. The effectiveness of using diorite epoxide as an active polymer filler has been proven. The effectiveness of using diorite as an active filler in epoxy polymers, which increases strength and changes the physicochemical properties of epoxy composites, has been proven. The optimal composition of diorite was selected as a structural
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21

Li, Shuiping, Yanbo Li, Huajun Zhu, et al. "Evaluation of glass-fiber grafted by epoxide-terminated hyperbranched polymer on the effect of mechanical characterization of epoxy composites." Science and Engineering of Composite Materials 25, no. 2 (2018): 417–24. http://dx.doi.org/10.1515/secm-2016-0041.

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AbstractIn this study, glass-fiber, grafted by epoxide-terminated hyperbranched polymer (GF-HBPE), was incorporated into epoxy resins for reinforcement purpose. The effects of GF-HBPE content on mechanical properties of the resulting epoxy-based composites, such as tensile strength, percentage elongation at break, flexural strength, and impact strength, were investigated. The experimental results revealed that GF-HBPE substantially outperformed impact resistance in both tensile and flexural tests. For instance, the tensile strength, percentage elongation at break, flexural strength, and impact
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22

Arbuzov, A. A., V. E. Muradyan, B. P. Tarasov, E. A. Sokolov, and S. D. Babenko. "Epoxide composites with thermally reduced graphite oxide and their properties." Russian Journal of Physical Chemistry A 90, no. 5 (2016): 907–10. http://dx.doi.org/10.1134/s0036024416050071.

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23

Lapitskii, A. V. "Epoxide polymer matrices for high-strength and heat-resistant composites." Polymer Science. Series D 3, no. 3 (2010): 190–93. http://dx.doi.org/10.1134/s199542121003007x.

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24

Zhang, H., YT Wei, ZR Kang, GZ Zhao, and YQ Liu. "Influence of graphene oxide and multiwalled carbon nanotubes on the dynamic mechanical properties and heat buildup of natural rubber/carbon black composites." Journal of Elastomers & Plastics 50, no. 5 (2017): 403–18. http://dx.doi.org/10.1177/0095244317729557.

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In this study, graphene oxide (GO) and multiwalled carbon nanotubes (MWNTs) were incorporated into natural rubber (NR) to study the influence of each of these materials when substituted for carbon black (CB) on the structure and properties of NR/CB composites. The influence of stirring time on the composites used to prepare the masterbatch was also studied. Morphological observations revealed that the dispersion of the filler was improved by partially substituting GO and MWNTs for CB. Improvements in the static mechanical properties and dynamic properties were achieved when the concentration o
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25

Hedaya, Ali, Mohamed Elsafi, Wafa M. Al-Saleh, and Ibrahim H. Saleh. "Effect of Bi2O3 Particle Size on the Radiation-Shielding Performance of Free-Lead Epoxide Materials against Ionizing Radiation." Polymers 16, no. 15 (2024): 2125. http://dx.doi.org/10.3390/polym16152125.

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In this work, we studied the effect of bismuth oxide particle size and its attenuation capacity as a filler additive in epoxy resins. Six samples were prepared according to the amount of microparticles and nanoparticles in the sample and were coded as ERB-1, ERB-2, ERB-3, ERB-4, ERB-5, and ERB-6. One of the composite epoxies contained Bi2O3 microparticles at a 50:50 ratio (ERB-6) and was chosen as the control composite, and the number of microparticles (MPs) was gradually decreased and replaced by nanoparticles (NPs) to produce epoxy-containing Bi2O3 nanoparticles at a 50:50 ratio (ERB-1). The
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26

Arvanitopoulos, Constantinos D., and Jack L. Koenig. "Infrared Spectral Imaging of the Interphase of Epoxy-Glass Fiber-Reinforced Composites under Wet Conditions." Applied Spectroscopy 50, no. 1 (1996): 11–18. http://dx.doi.org/10.1366/0003702963906735.

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Infrared imaging was utilized to analyze the behavior of epoxy-glass fiber composites when exposed to moist conditions. With the use of mapping subtraction, the differences in the water uptake were revealed when different types of glass fibers were used. Composites prepared with as-received glass fibers exhibit the highest water uptake at the interphase as opposed to those prepared with silane-treated glass fibers, which exhibit the lowest uptake. Moreover, the epoxide deformation band was examined in order to analyze the effect of water on the curing of the composites. Water was found to cata
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27

Zhao, Shuai, Haiyan Chang, Shuju Chen, Jian Cui, and Yehai Yan. "High-performance and multifunctional epoxy composites filled with epoxide-functionalized graphene." European Polymer Journal 84 (November 2016): 300–312. http://dx.doi.org/10.1016/j.eurpolymj.2016.09.036.

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28

Volkova, N. N., E. V. Summanen, L. P. Smirnov, �. A. Dzhavadyan, T. I. Ponomareva, and B. A. Rozenberg. "Kinetic laws of the thermal degradation of epoxide-resin-based composites." Mechanics of Composite Materials 26, no. 3 (1990): 278–84. http://dx.doi.org/10.1007/bf00613099.

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29

Xia, Qingchun, Chen Yuan, Yongxin Li, and Yong Cui. "Design and assembly of a chiral composite metal–organic framework for efficient asymmertric sequential transformation of alkenes to amino alcohols." Chemical Communications 55, no. 62 (2019): 9136–39. http://dx.doi.org/10.1039/c9cc04131a.

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A composite crystal MOF was constructed with Al(salen) inside, which was encapsulated by Mn(salen) outside. The resulting composite crystal appeared to be highly enantioselective for the alkene epoxidation/epoxide aminolysis reactions.
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Liang, Shu Quan, Yan Tang, Yong Zhang, Zhong Jie, and Xiao Pin Tan. "Influence of Silver / CNTs on Epoxide Resin Based Conductive Adhesive." Materials Science Forum 610-613 (January 2009): 299–303. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.299.

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Silver / CNTs was prepared by ball milling method and was used as filler to reinforce epoxide resin based conductive adhesive. The effect of content and dispersion state of the filler on tensile strength, tensile modulus, fracture extensibility and electrical resistance of the composites were studied. The results indicated that the filler could be dispersed well in epoxide resin matrix by ultrasonic method and the mechanical and electrical properties was improved greatly. The best content of the silver / CNTs was 0.75 wt% (considering of CNTs weight percentage), when the tensile strength, tens
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31

Luo, Ying, Min Zhi Rong, and Ming Qiu Zhang. "Covalently Connecting Nanoparticles with Epoxy Matrix and its Effect on the Improvement of Tribological Performance of the Composites." Polymers and Polymer Composites 13, no. 3 (2005): 245–52. http://dx.doi.org/10.1177/096739110501300304.

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Graft polymerization of glycidyl methacrylate onto nano-SiC particles by means of soapless emulsion polymerization results in composite particles consisting of SiC core and polymeric shell, in which polyglycidyl methacrylate (PGMA) is bonded to the nanoparticles by the double bonds introduced during the pretreatment with a coupling agent. Compared with untreated nano-SiC particles, the grafted versions exhibit improved dispersibility. Besides, they are able to establish chemical bonding between the fillers and matrix through the reaction between the epoxide groups and the curing agent when bei
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32

Song, Lingxia, Yeyun Meng, Peng Lv, Weiqu Liu, and Hao Pang. "Preparation of a Dmap-Catalysis Lignin Epoxide and the Study of Its High Mechanical-Strength Epoxy Resins with High-Biomass Content." Polymers 13, no. 5 (2021): 750. http://dx.doi.org/10.3390/polym13050750.

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The depletion of limited petroleum resources used for the fabrication of epoxy resins calls for the development of biomass-based epoxides as promising alternatives to petroleum-derived epoxides. However, it is challenging to obtain an epoxy resin with both high lignin content and excellent mechanical performance. Herein, a 4-dimethylaminopyridine (DMAP)-lignin epoxide with a certain epoxy value and a small molecular weight is obtained by the catalysis of DMAP for the macromolecular lignin. It was discovered that compared to the prepared composite resin of benzyltriethylammonium chloride (BTEAC
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Nakaramontri, Yeampon, Charoen Nakason, Claudia Kummerlöwe, and Norbert Vennemann. "INFLUENCE OF MODIFIED NATURAL RUBBER ON PROPERTIES OF NATURAL RUBBER–CARBON NANOTUBE COMPOSITES." Rubber Chemistry and Technology 88, no. 2 (2015): 199–218. http://dx.doi.org/10.5254/rct.14.85949.

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ABSTRACT Carbon nanotube (CNT)–filled natural rubber (NR) composites were prepared by using an internal mixer and a two-roll mill. Various types of NR, including unmodified NR, epoxidized NR (ENR), and maleated NR (MNR), were used. The chemical reactions between rubber molecules and functional groups on the CNT surface were characterized by attenuated total reflection Fourier transform infrared spectroscopy. Cure characteristics, tensile properties, relaxation behavior, and electrical conductivity of the various gum rubbers and the CNT-filled rubber composites were investigated. It was found t
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34

Andrade Breves, Rodolfo, Daniel Ajiola, Roseany de Vasconcelos Vieira Lopes, et al. "Bio-Based Polyurethane Composites from Macauba Kernel Oil: Part 1, Matrix Synthesis from Glycerol-Based Polyol." Journal of Composites Science 8, no. 9 (2024): 363. http://dx.doi.org/10.3390/jcs8090363.

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Polyurethanes are the result of a reaction between an isocyanate and a polyol. The large variety of possible reagents creates many possible polyurethanes to be made, such as soft foams, rigid foams, coatings, and adhesives. This polymer is one of the most produced and consumed polymers in the world with an ever-increasing demand. Despite its usual petrochemical nature, research on bio-based polyurethanes flourishes due to the ease in creating bio-based polyols. This work covers the synthesis of a novel macauba kernel oil polyol by the epoxidation of the oil, followed by a ring-opening reaction
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35

Rokicki, Gabriel, and Thinh X. Nguyen. "Epoxy Resin - Cyclic Carbonate Oligomer Compositions Cured with BF3·Et2O." Polymers and Polymer Composites 4, no. 1 (1996): 45–51. http://dx.doi.org/10.1177/096739119600400105.

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The properties of bisphenol A epoxy resins containing bidentate cyclic carbonate oligomers cured with BF3 complexes by cationic polymerisation are presented. The effect of cyclic carbonate content on the gel time, peak exotherm temperature and degree of crosslinking of the epoxide-cyclic carbonate compositions were investigated. It was found that for the range of 0–30 wt. % the amount of energy released during crosslinking rises with increasing cyclic carbonate concentration. The reaction mechanism, and the reason for the higher enthalpy of polymerisation of epoxide-cyclic carbonate compositio
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36

Luangchuang, Piyawadee, Kunakorn Chumnum, Ekwipoo Kalkornsurapranee, and Yeampon Nakaramontri. "Increase in Properties and Self-Healing Ability of Conductive Butyl Rubber/Epoxidized Natural Rubber Composites by Using Bis(triethoxysilylpropyl)tetrasulfide Coupling Agent." Polymers 15, no. 3 (2023): 547. http://dx.doi.org/10.3390/polym15030547.

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Flexible self-healing composite was fabricated based on blending the bromobutyl rubber (BIIR) and epoxide natural rubber (ENR) filled with hybrid fillers of carbon nanotubes (CNT) and carbon black (CB). To achieve self-recoverability, modification of BIIR was carried out through butyl imidazole (IM), and the healing capability was then activated by the addition of bis(triethoxysilylpropyl)tetrasulfide (TESPT), which resulted in good dispersion of CNT/CB in BIIR/ENR blends. The silanization of TESPT and CNT/CB hybrid filler surfaces was confirmed by attenuated total reflection-Fourier transform
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Kokayeva, Gulnara, Rimma Niyazbekova, Mira Serekpayeva, Ainur Ibzhanova, and Amirbek Bekeshev. "Using of microsilica for improvement of physical and mechanical properties of epoxide-based composite material." Eastern-European Journal of Enterprise Technologies 4, no. 12 (124) (2023): 18–25. http://dx.doi.org/10.15587/1729-4061.2023.280474.

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Utilization of industrial waste and secondary raw materials, in particular, in the production of metallic silicon and silicon-containing alloys, which include silica vapors (microsilica), is the main task of implementing environmental policy and solves the problem of their storage and negative impact on the environment, in order to reuse them in polymer composites. The use of microsilica as a filler in composite materials based on epoxy resins contributes to a positive effect on the basic properties of the resin, and also makes it possible to use the composite material as coatings and parts in
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Vinnitskiy, Dmitry Z., Anna L. Luss, Vadim B. Krylov, et al. "Synthesis of Vectorized Nanoparticles Based on a Copolymer of N-Vinyl-2-Pyrrolidone with Allyl Glycidyl Ether and a Carbohydrate Vector." Journal of Composites Science 6, no. 9 (2022): 247. http://dx.doi.org/10.3390/jcs6090247.

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A method was developed for the conjugation of aminopropyl spacer-bearing carbohydrates with epoxy groups on the crown of nanoparticles consisting of a copolymer of N-vinyl-2-pyrrolidone and allyl glycidyl ether in basic buffer, opening prospects for the design of vectorized nanocomposite drug forms. A conjugate of the above copolymer and trisaccharide A, a synthetic blood group antigen, was synthesized. Meglumine was used to bind any unreacted epoxide groups of the allyl glycidyl fragment. One- and two-dimensional NMR spectroscopy showed quantitative opening of the epoxide ring as a result of
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Bonon, Anderson J., Marcus Weck, Estevam A. Bonfante, and Paulo G. Coelho. "Physicochemical characterization of three fiber-reinforced epoxide-based composites for dental applications." Materials Science and Engineering: C 69 (December 2016): 905–13. http://dx.doi.org/10.1016/j.msec.2016.07.002.

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Gasilova, Ye R., N. P. Kotelyanets, E. T. Lippmaa, M. Ya Mägi, L. S. Semenova, and V. A. Shevelev. "NMR study of the phase structure and relaxational properties of epoxide composites." Polymer Science U.S.S.R. 29, no. 6 (1987): 1301–10. http://dx.doi.org/10.1016/0032-3950(87)90375-3.

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Ebich, Yu R. "Effect of phase organization in rubber-epoxide composites on their curing kinetics." Polymer Science U.S.S.R. 31, no. 10 (1989): 2429–33. http://dx.doi.org/10.1016/0032-3950(89)90102-0.

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Hu, Die, Xun-Cheng Zong, Feng Xue, Chuang Li, Bo-Chun Hu, and Min-Chen Wu. "Manipulating regioselectivity of an epoxide hydrolase for single enzymatic synthesis of (R)-1,2-diols from racemic epoxides." Chemical Communications 56, no. 18 (2020): 2799–802. http://dx.doi.org/10.1039/d0cc00283f.

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43

Bhakri, S., K. Takenaka, A. Boonmahitthisud, and O. Boondamnoen. "Effect of epoxidation levels on curing characteristic and mechanical properties of ENR/MFC composites." Journal of Physics: Conference Series 2175, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1742-6596/2175/1/012020.

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Abstract This study aimed to investigate the effect of epoxidation levels on the curing and tensile properties of epoxidized natural rubber (ENR)/microfibrillated cellulose (MFC) composites. ENRs with different levels of epoxidation were first prepared from natural rubber (NR) latex via ‘in situ’ performic epoxidation using 0.75 M formic acid and 1 M hydrogen peroxide at 50°C at various reaction times. The results from H1 NMR revealed that the reaction at 2, 4, and 6 hours could achieve 20, 30, and 40 mol % epoxidation, respectively. The introduction of epoxide groups into NR chains reduced th
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Amar, Irekti, Oualit Mehena, Zibouche Fatima, and Buncianu Dorel. "FTIR Analysis and thermal behavior of microcomposite Pozzolan/ DGEBA." Algerian Journal of Materials Chemistry 2, no. 1 (2019): 14–19. https://doi.org/10.5281/zenodo.4484131.

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In the present study six blends of Diglycidyl ether of bisphenol-A and pozzoan filler were synthesized by physical mixing at 100°C. Interaction among epoxide group of DGEBA, composition of fillers and anhydride group of curing agent discussed through FT-IR analysis. The TGA studies revealed a increase in thermal stability and the glass transition temperature (Tg). The integral procedure decomposition temperature increased from 571,3 °C to 617,9,3°C.  The composites had a higher glass transition temperature than the neat epoxy resin. The coefficient of thermal expansion of the
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Chen, Xiaodong, Guiqin Wang, Yuping Duan, and Shunhua Liu. "Electromagnetic characteristics of barium titanate/epoxide resin composites in X and Ku bands." Journal of Alloys and Compounds 453, no. 1-2 (2008): 433–36. http://dx.doi.org/10.1016/j.jallcom.2006.11.092.

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Beer, H. R., T. Kaiser, A. C. Moloney, and H. H. Kausch. "Static fatigue and time to failure predictions of particulate filled epoxide resin composites." Journal of Materials Science 21, no. 10 (1986): 3661–67. http://dx.doi.org/10.1007/bf02403017.

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Manoharan, Partheban, M. G. Anagha, Narayan Chandra Das, and Kinsuk Naskar. "INFLUENCE OF DIFFERENT SPECIFIC SURFACE AREA OF HIGHLY DISPERSIBLE SILICA AND INTERFACIAL CHARACTERISTICS OF GREEN ELASTOMER COMPOSITES." Rubber Chemistry and Technology 91, no. 3 (2018): 548–60. http://dx.doi.org/10.5254/rct-18-82632.

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ABSTRACT Epoxidized natural rubber (ENR) is a modified form of NR bearing polar epoxy groups. The focus is on dispersion of highly dispersible silica (HDS) filler with three different specific surface areas in ENR 25/ENR 50 composites. The effect of three different specific surface areas of HDS on bound rubber content, Payne effect, physicomechanical properties, and viscoelastic properties of the green composites was studied in detail. Also, the influences of epoxide content in ENRs in the absence of silane coupling agent are evaluated on the overall properties of green composites. The highest
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Wang, Baoming, Shengzong Ci, Mingzhe Zhou, et al. "Effects of Hygrothermal and Salt Mist Ageing on the Properties of Epoxy Resins and Their Composites." Polymers 15, no. 3 (2023): 725. http://dx.doi.org/10.3390/polym15030725.

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Epoxy and epoxide composites have a wide range of outdoor applications wherein they are affected by ageing. In this study, epoxy casting plates and epoxy-based composite rods for use in overhead conductors were prepared. A concurrent investigation concerning the ageing of epoxy resins and their carbon fibre composites was carried out via artificially accelerated experiments under hygrothermal and salt mist conditions. The moisture penetration along the depth, water absorption, appearance, hardness, density of the epoxy resins, and variation patterns of the impact strength and tensile strength
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Khandegar, Vinita, Perminder Jit Kaur, and Pratibha Chanana. "Chitosan and graphene oxide-based nanocomposites for water purification and medical applications: A review." BioResources 16, no. 4 (2021): 8525–66. http://dx.doi.org/10.15376/biores.16.4.khandegar.

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Chitosan (CS) is a natural polysaccharide isolated from insects, molluscs, and fungi. The specific properties of chitosan can be enhanced using physicochemical processes. The composites prepared using CS and graphene oxide (GO) contain active functional groups such as epoxide, carboxyl, and hydroxyl, which possess excellent biocompatibility, high adsorption capacity, and biodegradability. Their low cost and ease of scale-up make them employable for multiple applications in water-treatment plants, electronics, solar cells, and pharmaceuticals. This review provides an overview of sources, types,
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Khandegar, Vinita, Perminder Jit Kaur, and Pratibha Chanana. "Chitosan and graphene oxide-based nanocomposites for water purification and medical applications: A review." BioResources 16, no. 4 (2021): 8525–66. http://dx.doi.org/10.15376/biores.16.4.8525-8566.

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Chitosan (CS) is a natural polysaccharide isolated from insects, molluscs, and fungi. The specific properties of chitosan can be enhanced using physicochemical processes. The composites prepared using CS and graphene oxide (GO) contain active functional groups such as epoxide, carboxyl, and hydroxyl, which possess excellent biocompatibility, high adsorption capacity, and biodegradability. Their low cost and ease of scale-up make them employable for multiple applications in water-treatment plants, electronics, solar cells, and pharmaceuticals. This review provides an overview of sources, types,
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