Vinylidene fluoride-acrylic acid ester copolymer, process for producing the same and composition containing the same
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United States of America Patent
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May 15, 1990
Issued Date -
N/A
app pub date -
Apr 7, 1989
filing date -
Jan 22, 1987
priority date (Note) -
Expired
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Abstract
A substantially random, linear vinylidene fluoride-acrylic acid ester copolymer comprising: (A) 5-85% by weight of a vinylidene fluoride unit, (B) 15-95% by weight of at least one unit selected from the group consisting of an alkyl acrylate unit and an alkoxy-substituted alkyl acrylate unit, and (C) optionally 10% by weight or less, based on the total weight of (A), (B) and (C), of a crosslinking monomer unit, and having an intrinsic viscosity of 0.01-10 dl/g as measured at 30.degree. C. in N,N-dimethylformamide. Said copolymer has not only excellent heat resistance, ozone resistance and sour gasoline resistance but also excellent resistance to gasoline permeation.
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