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Citation: PANG Yan-Song, ZHANG Li, SHI Guang. Synthesis of New Flexibilizer of Epoxy Acrylate Resin[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 1418-1421. shu

Synthesis of New Flexibilizer of Epoxy Acrylate Resin

1.
a School of Chemistry and Environment, South China Normal University, Guangzhou;
2.
b School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006

Corresponding author: ZHANG Li,
Received Date: 29 November 2008
Available Online: 18 April 2009

Polyethylene glycol with reactive chain ends was synthesized from maleic anhydride and polyethylene glycol and used as a modifier for the epoxy acrylate resin.The product was characterized by FTIR and ¹H NMR.The influence of reaction temperature and time on the reaction and properties of the reactive polyethylene glycol is discussed.When the molar ratio of the maleic anhydride and polyethylene glycol was 2.1:1,the conversion rate of the reaction reached 95.2% at 75 ℃ for 60 min.The cured sample of reactive polyethylene glycol with epoxy acrylate resin was characterized by FTIR.The results indicate that the reactive polyethylene glycol participated in the curing reaction of the epoxy acrylate resin,forming soft segments in the network,which significantly increased the impact strength of the epoxy acrylate resin.
- maleic anhydride,
- polyethylene glycol,
- epoxy acrylate resin,
- reactive polyethylene glycol
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