Thermoplastic composition comprising a copolymer based on ethyle

Details Thermoplastic composition comprising a copolymer based on ethyle Thermoplastic composition comprising a copolymer based on ethyle

1991-07-05

1993-02-16

Seccuro, Jr., Carman J.

Stock material or miscellaneous articles

Composite

Of metal

428461, 428463, 428457, 428221, 525207, 524451, C08L 2308, C08L 2316, B32B 2728, C08J12308, C08J12316

Patent

active

051870169

ABSTRACT:
The invention relates to a thermoplastic composition comprising a mixture of 25-80% by weight of at least one partially crystalline ethylene polymer or copolymer which has a density of 0.870-0.945; of 15-85% by weight of at least one random copolymer comprising 83-99.7 mol % of units derived from ethylene, 0-14 mol % of units derived from at least one acrylic or methacrylic ester, and 0.3-3 mol % of units derived from maleic anhydride; which has a melt index of 1-500 dg/min; of 1-8% by weight of at least one rubber; and of 0-8% by weight of talc; to the use of this composition for the manufacture of a film which has adhesive properties; to an industrial article comprising a metal coated with at least one layer of this composition; and to a composite film comprising at least one layer comprising this composition, with the condition that the proportion of talc in the latter does not exceed the proportion which is sufficient to provide an antiblocking effect, and at least one layer of another thermoplastic.

REFERENCES:
patent: 4762877 (1988-08-01), Heilbrunn
patent: 4868052 (1989-09-01), Guerdoux et al.
patent: 4933389 (1990-06-01), Hikasa et al.
patent: 4945005 (1990-07-01), Aleckner et al.
patent: 4946896 (1990-08-01), Mitsuno et al.
patent: 4957968 (1990-09-01), Adur et al.
patent: 4965319 (1990-10-01), Kawamoto
patent: 5047482 (1991-09-01), Schlag et al.

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