Polymeric film comprising a coating layer of vermiculite platele

Details Polymeric film comprising a coating layer of vermiculite platele Polymeric film comprising a coating layer of vermiculite platele

1992-01-31

1993-09-14

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428333, 428402, 428480, 428500, 428689, 428701, 428702, 428910, B32B 516

Patent

active

052447294

ABSTRACT:
A polymeric film comprising a substrate layer of polymeric material having on at least one surface thereof a coating layer comprising vermiculite platelets wherein 50 to 100% by number of the platelets have a particle size in the range 0.5 to 5.0 .mu.m. The film exhibits oxygen barrier properties and is suitable for use as a packaging film.

REFERENCES:
patent: 3499820 (1970-03-01), Desaulniers
patent: 3539437 (1970-11-01), Kirk et al.
patent: 4447491 (1984-05-01), Bradbury et al.
patent: 4608303 (1986-08-01), Ballard et al.
patent: 4877551 (1989-10-01), Lukacs, III

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