Homogeneous thermoset copolymers
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United States of America Patent
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Feb 21, 1989
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N/A
app pub date -
Jun 9, 1986
filing date -
Jun 9, 1986
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Expired
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Abstract
Homogeneous thermoset copolymers which may be used in the preparation of laminates for circuitry boards will comprise a poly(vinyl benzyl ether) of a polyphenol and a polyalkadiene in which the alkadiene monomer will contain from 3 to about 8 carbon atoms. The polymers are prepared by admixing a solution of the poly(vinyl benzyl ether) of a polyphenol dissolved in an organic solvent with a solution of the polyalkadiene also dissolved in an organic solvent. The admixing is done at an elevated temperature to form the desired composite. The resulting copolymer will possess desirable characteristics such as high glass transition temperature and low dielectric constant.
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