Process for preparation of modified polyphenylene ether or related polymers and the use thereof in modified high temperature rigid polymer of vinyl substituted aromatics
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United States of America Patent
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Jun 15, 1993
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app pub date -
Sep 12, 1991
filing date -
Jul 7, 1988
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Abstract
Process for the manufacture of modified polyphenylene ether or structurally related polymers comprising: the reaction of polyphenylene ether or structurally related polymer with a non-cyclic acid anhydride, in the presence of a pyridine derivative substituted by an amine group as catalyst, and in a vinyl substituted aromatic monomer as solvent; modified polyphenylene ethers so obtained and use of them for the manufacture of modified high temperature rigid poly(vinyl substituted aromatic) polymer compositions.
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