Biaxially-oriented polyolefin multi-layer film which can be seal

Details Biaxially-oriented polyolefin multi-layer film which can be seal Biaxially-oriented polyolefin multi-layer film which can be seal

1990-12-05

1992-02-18

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428349, 428447, 428448, 428516, B32B 702, B32B 2718, B32B 2732

Patent

active

050893190

ABSTRACT:
A three layer, biaxially-oriented polyolefin film which is sealable on both exterior surfaces and includes a base layer of polypropylene which carries two sealing layers of sealable olefin polymers. The base layer includes about 0.5 to 2% by weight of polydialkylsiloxane having a viscosity of less than about 500 mm.sup.2 /s. The film is particularly well-suited for the reception of aqueous printing inks or as a substrate for aqueous coating systems.

REFERENCES:
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patent: 4419410 (1983-12-01), Weiner
patent: 4419411 (1983-12-01), Park
patent: 4502263 (1985-03-01), Crass et al.
patent: 4508804 (1985-04-01), Asao et al.
patent: 4654252 (1987-03-01), Doyen
patent: 4716068 (1987-12-01), Seifried et al.
patent: 4912091 (1990-03-01), Bothe et al.
"Ullman's Encyclopedia of Industrial Chemistry", 4th Edition, vol. 2, pp. 539-553, (Ullmanns Encyklopadie der technischen Chemie).

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