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The studies on the mechanical performances of the blend of DGEBA/Starlike polyether epoxy resin

Huang Xian-wei

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Abstract

A new kind of starlike polyether epoxy resin was synthesized and its structure and composition were characterized by the FTIR spectrum and the chemical analysis.The modification effects on diglycidyl ether of bisphenol A(DGEBA,epoxy resin E-44)were studied by impact test,tensile test,bend test and SEM.The results show that it could greatly improve the toughˉness of the cured resin without much loss of tensile strength and bend elastic module and the impact fractures of the cured resin clearly show the characters of toughen fracture.

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What this paper is about

A new kind of starlike polyether epoxy resin was synthesized and its structure and composition were characterized by the FTIR spectrum and the chemical analysis.The modification effects on diglycidyl ether of bisphenol A(DGEBA,epoxy resin E-44)were studied by impact test,tensile test,bend test and SEM.The results show that it could greatly improve the toughˉness of the cured resin without much loss of tensile strength and bend elastic module and the impact fractures of the cured resin clearly show the characters of toughen fracture.

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Available abstract

A new kind of starlike polyether epoxy resin was synthesized and its structure and composition were characterized by the FTIR spectrum and the chemical analysis.The modification effects on diglycidyl ether of bisphenol A(DGEBA,epoxy resin E-44)were studied by impact test,tensile test,bend test and SEM.The results show that it could greatly improve the toughˉness of the cured resin without much loss of tensile strength and bend elastic module and the impact fractures of the cured resin clearly show the characters of toughen fracture.

Key concepts: Epoxy, Diglycidyl ether, Materials science, Composite material, Ultimate tensile strength, Bisphenol A, Fourier transform infrared spectroscopy, Izod impact strength test

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