Copolymers propylene and but-1-ene and uses thereof

Details Copolymers propylene and but-1-ene and uses thereof Copolymers propylene and but-1-ene and uses thereof

1985-11-19

1987-05-05

Michl, Paul R.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428334, 428335, 428336, 428337, 5263486, B32B 2708

Patent

active

046632387

ABSTRACT:
The invention concerns copolymers of propylene and but-1-ene in which the proportion of units derived from but-1-ene is from 10 to 40% by weight and the proportion of isolated ethyl branches which they contain is at least equal to the square of the proportion [P] of units derived from propylene contained in said copolymers. The copolymers of the invention can be used for the production of heat-sealable films.

REFERENCES:
patent: 3332921 (1967-07-01), Cleary

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