Random 1-butene copolymer

Details Random 1-butene copolymer Random 1-butene copolymer

C - Chemistry, Metallurgy

08

F

402/622

C08F 210/14 (2006.01) C08F 210/10 (2006.01)

Patent

CA 1262997

Abstract of the Disclosure: A random 1-butene copolymer comprising 1-butene and an alpha-olefin having 5 to 20 carbon atoms, said co- polymer having the following characteristics (a) to (I): (A) it comprises 50 to 99 mole% of the 1-butene component and 1 to 50 mole% of the alpha-olefin component, (B) it has an intrinsic viscosity [?], measured in decalin at 135°C, of from 0.5 to 6 dl/g, (C) it has a melting point [Tm], measured by a differential scanning calorimeter, of from 30 to 120°C, (D) it has a crystallinity, measured by X-ray diffractometry, of from 5 to 60%, (E) the amount [W1 in % by weight] of that portion of it which is soluble in boiling methyl acetate is not more than 2%, and (F) the amount [W2 in % by weight] of that portion of it which is soluble in a 1:1 by volume mixture of acetone and n-decane at 10°C is less than 5 x [?]-1.2.

494363

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