Modacrylic copolymer composition
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United States of America Patent
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Apr 11, 2000
Grant Date -
N/A
app pub date -
Feb 2, 1999
filing date -
Feb 2, 1999
priority date (Note) -
Expired
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Abstract
The present invention relates to a modacrylic copolymer composition comprising acrylonitrile, vinylidene chloride, vinyl acetate, and at least one ionic comonomer. In one embodiment, the modacrylic copolymer composition comprises from about 45 to about 60% acrylonitrile, from about 35 to about 50% vinylidene chloride, from about 0.5 to about 5% vinyl acetate, and up to about 2% of a salt of p-sulfophenyl methallyl ether by weight of the total composition. The copolymer composition of the present invention provides acceptable color while having acceptable flame resistance.
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