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Fluorinated Polyimide Block Copolymers

Published online by Cambridge University Press:  15 February 2011

J. W. Labadic
Affiliation:
IBM Research, Almaden Research Center, 650 Harry Road, San Jose, CA 95120–6099
M. I. Sanchcz
Affiliation:
IBM Research, Almaden Research Center, 650 Harry Road, San Jose, CA 95120–6099
Y. Y. Cheng
Affiliation:
IBM Research, Almaden Research Center, 650 Harry Road, San Jose, CA 95120–6099
James L. Hedrick
Affiliation:
IBM Research, Almaden Research Center, 650 Harry Road, San Jose, CA 95120–6099
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Abstract

Block copolymers based on the poly(amic ester) of poly(4,4′-oxydiphenylene-pyromellitide) and perfluoroalkylene aryl ethers were synthesized from preformed amine terminated perfluoroalkylene aryl ether oligomers. Fluoropolymer structure, wt% incorporation, and molecular weight were varied. Reduction in the dielectric constant to 2.8–2.9 and reduced moisture sensitivity were observed for block copolymers with 55 wt.% poly(perfluoroalkylene aryl ether) content without significant compromise of mechanical or thermal properties.

Type
Research Article
Copyright
Copyright © Materials Research Society 1991

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References

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