Blends of a diglycidylether epoxy with bisphenol-A polycarbonate or poly(methyl methacrylate): cases of miscibility with or without specific interactions

Blends of a diglycidylether epoxy with bisphenol-A polycarbonate or poly(methyl methacrylate): cases of miscibility with or without specific interactions

Physical and chemical interactions and miscibility in two binary blend systems: diglycidylether of bisphenol-A (DGEBA) with poly(methyl methacrylate) (PMMA) and DGEBA with bisphenol-A polycarbonate (PC), were investigated by differential scanning calorimetry and Fourier transform infra-red (i.r.) sp...

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Veröffentlicht in:Polymer (Guilford) 1996-06, Vol.37 (12), p.2485-2492
Hauptverfasser: Woo, E.M., Wu, Min N.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
blends
DGEBA epoxy
Exact sciences and technology
miscibility
Organic polymers
Physicochemistry of polymers
Properties and characterization
Thermal and thermodynamic properties
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container_issue 12
container_start_page 2485
container_title Polymer (Guilford)
container_volume 37
creator Woo, E.M.
Wu, Min N.
description Physical and chemical interactions and miscibility in two binary blend systems: diglycidylether of bisphenol-A (DGEBA) with poly(methyl methacrylate) (PMMA) and DGEBA with bisphenol-A polycarbonate (PC), were investigated by differential scanning calorimetry and Fourier transform infra-red (i.r.) spectroscopy. Miscibility was found to exist in both binary blend systems (DGEBA/PC and DGEBA/PMMA blends) before and after heating. Chemical exchange reactions upon heating did not occur between DGEBA and PMMA; however, chemical interactions between the DGEBA and PC components in the blends were proven by evidence of elevation of the glass transition temperatures, shifting of the carbonyl i.r. absorbance peak, and unusual solvent resistance of the blends after heat treatment. The most probable crosslinked structure in the heated DGEBA/PC blend was elucidated.
doi_str_mv 10.1016/0032-3861(96)85363-8
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Miscibility was found to exist in both binary blend systems (DGEBA/PC and DGEBA/PMMA blends) before and after heating. Chemical exchange reactions upon heating did not occur between DGEBA and PMMA; however, chemical interactions between the DGEBA and PC components in the blends were proven by evidence of elevation of the glass transition temperatures, shifting of the carbonyl i.r. absorbance peak, and unusual solvent resistance of the blends after heat treatment. 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1873-2291
language eng
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
blends
DGEBA epoxy
Exact sciences and technology
miscibility
Organic polymers
Physicochemistry of polymers
Properties and characterization
Thermal and thermodynamic properties
title Blends of a diglycidylether epoxy with bisphenol-A polycarbonate or poly(methyl methacrylate): cases of miscibility with or without specific interactions
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