Process for the production of copolymers of propylene and...

Details Process for the production of copolymers of propylene and... Process for the production of copolymers of propylene and...

C - Chemistry, Metallurgy

08

F

402/613, 402/622

C08F 210/06 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1134100

Abstract of the Disclosure The invention concerns a process for the production of copolymers of propylene and but-1-ene wherein the proportion by weight of units derived from but-1-ene is from 10 to 40% and wherein the proportion of isolated ethyl branches is at least equal to the square of the proportion of units derived from propylene contained in said copolymers. The process is characterised in that a gaseous mixture of propylene and but-1-ene is brought into contact, in the absence of liquid diluent, with a catalytic system which is stereo- specific in the polymerisation of propylene alone. The resulting copolymers can be used for the production of hollow bodies or heat-sealable films.

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