Synthesis of Tri-Aryl Methane Epoxy Resin Isomers and Their Cure with Aromatic Amines

Reyes, Larry, Issazadeh, Salumeh, Zhang, Juan, Dao, B and Varley, Russell 2020, Synthesis of Tri-Aryl Methane Epoxy Resin Isomers and Their Cure with Aromatic Amines, Macromolecular Materials and Engineering, vol. 305, no. 2, pp. 1-12, doi: 10.1002/mame.201900546.

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Title Synthesis of Tri-Aryl Methane Epoxy Resin Isomers and Their Cure with Aromatic Amines
Author(s) Reyes, Larry
Issazadeh, Salumeh
Zhang, Juan
Dao, B
Varley, RussellORCID iD for Varley, Russell
Journal name Macromolecular Materials and Engineering
Volume number 305
Issue number 2
Start page 1
End page 12
Total pages 12
Publisher Wiley
Place of publication Weinheim, Germany
Publication date 2020-02
ISSN 1438-7492
Keyword(s) epoxy resins
structure/property relationships
Science & Technology
Physical Sciences
Materials Science, Multidisciplinary
Polymer Science
Materials Science
property relationships
Summary In this work, two tri-aryl and one bi-aryl epoxy resin, bis[(glycidyloxy)phenyl)]-m-xylene (BGOPmX), bis[(glycidyloxy)phenyl)]-p-xylene (BGOPpX), and bis(glycidyloxy) biphenyl (BGOBP) are synthesized and cured with methylene dianiline and 4,4′-diamino diphenyl sulfone. Structure, property, and processing relationships are investigated and compared against diglycidyl ether of bis-phenol F epoxy resin to better understand the impact of rigid and flexible subunits within the network structure. The rigid BGOBP epoxy network has a higher yield strain, and displays the highest glass transition temperature and a higher coefficient of thermal expansion (CTE) regardless of amine. Conversely, the more flexible tri-aryl epoxy resins, BGOPmX and BGOPpX, have higher moduli and lower CTE. Properties such as yield stress and thermal degradation are relatively unaffected by structure. Results where possible are discussed in terms of the likely equilibrium packing density of the network and short range and segmental motions of the polymer networks determined from sub-ambient dynamic mechanical analysis. Differences between BGOPmX and BGOPpX highlight the effect of minor variations in structure on reactivity, glass transition temperature, and compressive properties. This work clearly illustrates how fine control of chemical structure can tune the mechanical and thermal properties and reaction kinetics of network polymers.
Language eng
DOI 10.1002/mame.201900546
Field of Research 091202 Composite and Hybrid Materials
03 Chemical Sciences
09 Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID Boeing Company
Australian Research Council (DP180100094)
Office of Naval Research Global (N62909-18-1-2024)
Copyright notice ©2020, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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