Surface modification of hollow glass microsphere and its marine-adaptive composites with epoxy resin

Author:

Li Rui1,Wang Peng1,Zhang Peng1,Fan Guisen1,Wang Guojun1,Ouyang Xiao1,Ma Ning1,Wei Hao1ORCID

Affiliation:

1. Key Laboratory of Ultra-Light Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, China

Abstract

A novel epoxy resin (EP)/hollow glass microsphere modified (g-HGM) composite was successfully prepared. Studies showed that the water absorption rate of the g-HGMs/EP composite is lower than pure HGMs/EP and HGMs-KH550/EP composites, while the compressive strength of g-HGMs/EP composites could be increased. The enhanced interfacial adhesion between EP and g-HGMs played an important role to improve the compatibility of the two components. The g-HGMs show little effect on density (relative to HGMs) on the g-HGMs/EP composites, which can perform better than the HGMs/EP composites being used in marine environments. It was found that the optimal content of 4,4’-diphenylmethane diisocyanate in the epoxy component was 20 wt%.

Funder

National Natural Science Foundation of China

Publisher

SAGE Publications

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