Butene-1 copolymer

Details Butene-1 copolymer Butene-1 copolymer

C - Chemistry, Metallurgy

08

F

400/2058, 402/62

C08F 210/02 (2006.01) C08F 210/08 (2006.01) C08F 210/16 (2006.01) C08F 297/00 (2006.01)

Patent

CA 1319783

ABSTRACT The invention is concerned with a butene-1 copolymer containing ethylene units and butene-1 units within a molar ratio from 1 : 99 to 15 : 85 in which the intrinsic viscosity for the copolymer is within a range from 0.9 to 7.0 dl/g, the ratio of weight average molecular weight/number average molecular weight is within a range from 4 to 15, the temperature difference between the highest value and the lowest value of the melting point of the copolymer measured by differential thermal scanning analysis is 2°C or higher, the ethylene block pro- perty of the copolymer measured by NMR spectroscopy is not more than 0.015, and the content of the boil- ing diethyl ether soluble ingredient in the co- polymer is within a range from 3 to 25% by weight. The butene-1 copolymer of the invention has excel- lent workability and mechanical properties.

573771

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