Synthesis of tri-aryl ether epoxy resin isomers and their cure with diamino diphenyl sulphone

Reyes, Larry, Zhang, Juan, Dao, Buu and Varley, Russell 2020, Synthesis of tri-aryl ether epoxy resin isomers and their cure with diamino diphenyl sulphone, Journal of Polymer Science, vol. 58, no. 10, pp. 1410-1425, doi: 10.1002/pol.20200051.

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Title Synthesis of tri-aryl ether epoxy resin isomers and their cure with diamino diphenyl sulphone
Author(s) Reyes, Larry
Zhang, Juan
Dao, Buu
Varley, RussellORCID iD for Varley, Russell
Journal name Journal of Polymer Science
Volume number 58
Issue number 10
Start page 1410
End page 1425
Total pages 16
Publisher Wiley
Place of publication Hoboken, N.J.
Publication date 2020-05-15
ISSN 2642-4150
Keyword(s) Science & Technology
Physical Sciences
Polymer Science
network properties
reaction kinetics
Summary The synthesis of bi‐ and tetra‐functional tri‐aryl ether epoxy resin isomers and their subsequent cure with 44 diamino diphenyl sulphone (DDS) is presented here. The effect of varying aromatic substitution and cross‐link density on the structure, property, and processing relationships is explored for 1,3 bis(3‐glycidyloxyphenoxy)benzene (133 BGOPB), 1,4 bis(4‐glycidyloxyphenoxy)benzene (144 BGOPB), N,N,N,N‐tetraglycidyl 1,3‐bis (3‐aminophenoxy) benzene (133 TGAPB), and N,N,N,N‐tetraglycidyl 1,4‐bis (4‐aminophenoxy) benzene (144 TGAPB). Meta substitution to the aromatic ring reduces the rate of reaction, glass transition temperature, yield strain and crosslink density, coefficient of thermal expansion, and side reactions, while increasing strain softening, compressive modulus and strength, and methyl ethyl ketone ingress. Increasing crosslink density increases the glass transition temperature, promotes side reactions during cure, and increases compressive modulus, strength, and yield strain, while reducing coefficients of thermal expansion, methyl ethyl ketone ingress, and density. The results are discussed in terms of packing efficiency of the meta‐substituted epoxy resins and the role of short range molecular mobility caused by the lack of an aromatic axis of rotation.
Language eng
DOI 10.1002/pol.20200051
Indigenous content off
Field of Research 091209 Polymers and Plastics
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID Australian Research Council (DP180100094)
Office of Naval Research Global (N62909-18-1-2024)
Copyright notice ©2020, Wiley Periodicals, Inc.
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Document type: Journal Article
Collections: Institute for Frontier Materials
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