Coated polyolefin film

Details Coated polyolefin film Coated polyolefin film

1976-08-18

1978-10-17

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428336, 428515, 428518, 428910, 260 296XA, 526317, 427407E, 427385B, 426127, 2064841, B32B 300

Patent

active

041210069

ABSTRACT:
A polyolefin film is coated with an undercoat consisting essentially of a mixture of (a) polyvinylidene chloride or a copolymer thereof containing at least 88 percent by weight of vinylidene chloride monomer units and (b) a chlorinated polypropylene or a graft polymer thereof; at the weight ratio of a/b in the range between 99/1 and 90/10, and a topcoat consisting essentially of a vinylidene chloride copolymer containing not more than 88 percent by weight of vinylidene chloride monomer units.

REFERENCES:
patent: 3334077 (1967-08-01), Gateff
patent: 3353992 (1967-11-01), Grenley et al.
patent: 3361587 (1968-01-01), Menikheim et al.
patent: 3374197 (1968-03-01), England
patent: 3695922 (1972-10-01), Chujo et al.
patent: 4038449 (1977-07-01), Uemura et al.

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