Random 1-butene copolymer

Details Random 1-butene copolymer Random 1-butene copolymer

C - Chemistry, Metallurgy

08

F

402/622

C08F 210/08 (2006.01)

Patent

CA 1228198

Abstract of the Disclosure A random copolymer consisting essentially of more than 60 to 99 mole% of 1-butene and less than 40 to 1 mole% of propylene, and having (A) a boiling methyl acetate-soluble content of not more tahn 2% by weight based on the weight of the copolymer, (B) an intrinsic viscosity [?], determined in decalin at 135°C, of 0.5 to 6 dl/g, (C) a n-decane/acetone (1:1 by volume) mixture- soluble content in % by weight based on the weight of the copolymer of less than the value calculated by 4x[?]-1.2, (D) a DSC melting point, determined by a dif- ferential scanning calorimeter, of 50 to 130°C, (E) a yield strength, measured by JIS K-7113, of 50 to 300 kg/cm2, (F) an elongation at break, measured by JIS K-7113, of 200 to 1000%, and (G) a tensile strength at break, measured by JIS K-7113, of 150 to 800 kg/cm2.

460720

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