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Citation: JIN Cheng, WANG Erping, ZHU Yanhong, JIANG Jie, GU Lijun. Synthesis and Characterization of Novel High Impact Strength Epoxy Vinyl Ester Resin[J]. Chinese Journal of Applied Chemistry, ;2015, 32(8): 916-921. doi: 10.11944/j.issn.1000-0518.2015.08.140416 shu

Synthesis and Characterization of Novel High Impact Strength Epoxy Vinyl Ester Resin

JIN Cheng ^a,, ,
WANG Erping ^a ,
ZHU Yanhong ^b ,
JIANG Jie ^a ,
GU Lijun ^c

1.
a New United Group Company Limited, Changzhou, Jiangsu 213102, China;
2.
b Jiangsu Changhai Composite Materials Company Limited, Changzhou, Jiangsu 213102, China;
3.
c Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming 650500, China

Corresponding author: JIN Cheng,
Received Date: 8 December 2014
Available Online: 13 February 2015
Fund Project: 民族药资源化学重点实验室开放基金项目(MJY090103) (MJY090103)

With the introduction of flexible epoxy-terminated polyether (ETPE) as the monomer,herein,we reported a facile and efficient synthesis approach for novel epoxy vinyl ester resin (EVER-2) with high impact toughness.The resin was analyzed by Fourier-transform infrared (FTIR),¹H nuclear magnetic resonance (¹H NMR) and ¹³C nuclear magnetic resonance (¹³C NMR) spectroscopy.Mechanical properties such as tensile strength,flexural strength,impact strength and heat distortion temperature were also determined for EVER-2.The cured resin containing 7.9% mass fraction of ETPE has outstanding performance on impact strength.SEM (scanning electron microscopy) analysis reveals that EVER-2 matrix displays a single-phase morphology and its galss fiber/EVER-2 composite (EVERL-2) exhibits better bonding between the matrix and glass fiber,which means that EVERL-2 can bear more impact strength than galss fiber/EVER-1 composite (EVERL-1).Moreover,plausible toughening mechanisms of EVER-2 and EVERL-2 were proposed.
- epoxy vinyl ester resin,
- epoxy-terminated polyether,
- impact strength,
- synthesis
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