Acetal copolymers with backbone double bonds and graft copolymers thereof
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United States of America Patent
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Feb 13, 1990
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N/A
app pub date -
Apr 13, 1988
filing date -
Apr 13, 1988
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Expired
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Abstract
Acetal copolymers of trioxane and 1,3-dioxep-5-ene having a high degree of crystallinity and specific mole percent incorporations of 1,3-dioxep-5-ene are synthesized. The invention also provides a process for producing highly crystalline acetal copolymers by copolymerizing triozane and 1,3-dioxep-5-ene and precipitating the copolymer product from solution. The copolymers show much improved stability against halogen degradation.
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