Benzonorbornadiene end caps for PMR resins

Several ortho-disubstituted benzonorbornadiene derivatives are described. These molecules contain acid, ester, or anhydride functionality permitting their use as end caps in PMR (polymerization of monomer reactants) polyimide systems. The replacement of the currently used norbornenyl end caps with b...

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Published in:Macromolecules 1992-01, Vol.25 (2), p.530-534
Main Authors: Panigot, Michael J, Waters, John F, Varde, Uday, Sutter, James K, Sukenik, Chaim N
Format: Article
Language:English
Subjects:
Applied sciences
Chemical properties
Chemistry And Materials (General)
Exact sciences and technology
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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container_issue 2
container_start_page 530
container_title Macromolecules
container_volume 25
creator Panigot, Michael J
Waters, John F
Varde, Uday
Sutter, James K
Sukenik, Chaim N
description Several ortho-disubstituted benzonorbornadiene derivatives are described. These molecules contain acid, ester, or anhydride functionality permitting their use as end caps in PMR (polymerization of monomer reactants) polyimide systems. The replacement of the currently used norbornenyl end caps with benzonorbornadienyl end caps affords resins of increased aromatic content. It also allows evaluation of some mechanistic aspects of PMR cross-linking. Initial testing of N-phenylimide model compounds and of actual resin formulations using the benzonorbornadienyl end cap reveals that they undergo efficient thermal crosslinking to give oligomers with physical properties and thermal stability comparable to commercial norbornene-end-capped PMR systems.
doi_str_mv 10.1021/ma00028a006
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source American Chemical Society
subjects Applied sciences
Chemical properties
Chemistry And Materials (General)
Exact sciences and technology
Polymer industry, paints, wood
Properties and testing
Technology of polymers
title Benzonorbornadiene end caps for PMR resins
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