Polypropylene or polymethylpentene film coated with graft underc

Stock material or miscellaneous articles – Structurally defined web or sheet – Physical dimension specified

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428517, 428518, 428519, 428910, 427407C, B32B 3100

Patent

active

040384497

ABSTRACT:
A polyolefin film is coated with an undercoat of a mixture of (a) graft copolymer of chlorinated polypropylene to which is grafted a chlorinated vinyl monomer or a styrene monomer and (b) acrylonitrile-butadiene rubber, and a top coat of vinylidine chloride copolymer.

REFERENCES:
patent: 3041208 (1962-06-01), Hay et al.
patent: 3218189 (1965-11-01), Tyler
patent: 3242038 (1966-03-01), Dallas et al.
patent: 3262808 (1966-07-01), Crooks et al.
patent: 3353991 (1967-11-01), Shelburg et al.
patent: 3423232 (1969-01-01), Reinhard et al.

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