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Toughening benzoxazine/epoxy thermosets through control of interfacial interactions and morphologies by hyperbranched polymeric ionic liquids. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111251] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Su S, Wang H, Zhou C, Wang Y, Liu J. Study on epoxy resin with high elongation-at-break using polyamide and polyether amine as a two-component curing agent. E-POLYMERS 2018. [DOI: 10.1515/epoly-2017-0252] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractThis study aimed to improve the flexibility of E-51 epoxy resin by using polyamide/polyether amine as a two-component curing agent. Through solid state nuclear magnetic resonance (SSNMR), it was found that the cross-linking density of epoxy resin could be effectively reduced by adding the polyamide and polyether amine curing agent. The tensile tests showed that the elongation-at-break was remarkably improved. It was found by differential scanning calorimetry (DSC) that the curing behavior of the polyamide epoxy curing system varied with the addition of different polyether amine. Phase contrast microscope showed that phase separation occurred during the reaction of epoxy resin with the polyamide/polyether amine composite curing agent. In this paper, the modified epoxy resin was endowed with high elongation-at-break (>100%) and appropriate tensile strength (10~20 MPa).
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Affiliation(s)
- Shunsheng Su
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China, Tel.: 86-0531-88396181
| | - Haiqing Wang
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Chuanjian Zhou
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China
| | - Yanxiang Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China, Tel.: 86-0531-88396181
| | - Jianjun Liu
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China, Tel.: 86-0531-88396181
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Influence of the molecular weight of a modifier on the phase separation in an epoxy thermoset modified with a thermoplastic. Eur Polym J 2014. [DOI: 10.1016/j.eurpolymj.2014.06.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Schroeder WF, Aranguren MI, Eliçabe GE, Borrajo J. Free-radical polymerization induced macrophase separation in poly(methyl methacrylate)/dimethacrylate blends: Experiment and modeling. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.08.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Rico M, López J, Montero B, Bellas R. Phase separation and morphology development in a thermoplastic-modified toughened epoxy. Eur Polym J 2012. [DOI: 10.1016/j.eurpolymj.2012.07.007] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Rico M, Lopez J, Díez FJ, Bellas R. Simulation of molecular fractionation and species distributions in phase separation of polystyrene-modified epoxy/monoamine–diamine blends. Eur Polym J 2011. [DOI: 10.1016/j.eurpolymj.2011.09.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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