Processing–morphology–property relationships in epoxy resins

Jovan Mijović; John G. Williams; Tom Donnellan

doi:10.1002/app.1985.070300608

Processing–morphology–property relationships in epoxy resins

Jovan Mijović, John G. Williams, Tom Donnellan

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An investigation was conducted into processing–morphology–property relationships of a series of epoxy resin formulations. Diglycidyl ether of bisphenol A (DGEBA) epoxy resin was cured with diethylene triamine (DETA) and 2,5‐dimethyl 2,5‐hexane diamine (DMHDA). The two systems were compared by electron microscopic investigation and thermomechanical and fracture property measurements. Transmission electron microscopy has revealed a difference in the morphology of fracture surfaces. On the other hand, thermomechanical and fracture properties of DETA‐ and DMHDA‐cured formulations were found to be very similar. Three different processing (curing) conditions were used for DMHDA‐cured formulations, without an apparent effect on their properties. The previously reported improvement in impact energy of DMHDA‐cured formulations is unfounded.

Original language	English (US)
Pages (from-to)	2351-2366
Number of pages	16
Journal	Journal of Applied Polymer Science
Volume	30
Issue number	6
DOIs	https://doi.org/10.1002/app.1985.070300608
State	Published - Jun 1985

ASJC Scopus subject areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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10.1002/app.1985.070300608

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abstract = "An investigation was conducted into processing–morphology–property relationships of a series of epoxy resin formulations. Diglycidyl ether of bisphenol A (DGEBA) epoxy resin was cured with diethylene triamine (DETA) and 2,5‐dimethyl 2,5‐hexane diamine (DMHDA). The two systems were compared by electron microscopic investigation and thermomechanical and fracture property measurements. Transmission electron microscopy has revealed a difference in the morphology of fracture surfaces. On the other hand, thermomechanical and fracture properties of DETA‐ and DMHDA‐cured formulations were found to be very similar. Three different processing (curing) conditions were used for DMHDA‐cured formulations, without an apparent effect on their properties. The previously reported improvement in impact energy of DMHDA‐cured formulations is unfounded.",

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Processing–morphology–property relationships in epoxy resins

Abstract

ASJC Scopus subject areas

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