Vinylidene fluoride-acrylic acid ester copolymer, process...

Details Vinylidene fluoride-acrylic acid ester copolymer, process... Vinylidene fluoride-acrylic acid ester copolymer, process...

C - Chemistry, Metallurgy

08

F

402/8

C08F 214/22 (2006.01) C08F 220/10 (2006.01)

Patent

CA 1291591

ABSTRACT OF THE DISCLOSURE 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°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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