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Bismaleimide/Allylnadic-Imide Blends Yield Low Dielectric Constant And Low Water Uptake

Published online by Cambridge University Press:  15 February 2011

J-PH Ansermet  and
A. Kramer
J-PH Ansermet
Affiliation:
Materials Research CIBA-GEIGY Ltd., 1701 Fribourg, Switzerland
A. Kramer
Affiliation:
Plastics Research CIBA-GEIGY Ltd., 1701 Fribourg, Switzerland
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Abstract

The bismaleimide resin Matrimid 5292A (I) was cocured with an allylnadic-imide resin (EP 433) which contained a long aliphatic chain as backbone (II). Water uptake, swelling, and the dielectric properties (up to 300 MHz) were studied in cast plates. The dielectric constant varied from 5.4 in (I) to 3.2 in (II) at water saturation, compared to 3.1 in (I) to 2.7 in (II) in the dry state. The glass transition temperature stayed above 200 °C at less than 80 mol% of (II).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 227: Symposium J – Materials Science of High Temperature Polymers for Microelectronics , 1991 , 155
Copyright
Copyright © Materials Research Society 1991

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References

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