Pigmented, heat-sealable coating composition for application to

Details Pigmented, heat-sealable coating composition for application to Pigmented, heat-sealable coating composition for application to

1985-10-18

1987-07-21

Herbert, Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

106272, 4283179, 428349, 428484, 428515, 428516, 428518, 524277, C09J 702, B32B 904, B32B 2708

Patent

active

046818030

ABSTRACT:
A pigmented, heat-sealable coating composition for application to a primer-coated, oriented mono-layer or multilayer polyolefin film is provided which comprises a blend of (a) a binding and oxygen barrier effective amount of a heat-sealable polyvinylidene chloride homopolymer and/or polyvinylidene chloride copolymer containing at least about 50 weight percent copolymerized vinylidene chloride, (b) an amount of wax sufficient to result in a significant reduction in the coefficient of friction of a film to which the coating composition is applied and (c) an amount of pigment sufficient to result in a significant reduction in the light transmission property of a film to which the coating composition is applied.
Oriented polyolefin films coated with the foregoing compositions possess excellent seal strength and hot tack properties, good blocking resistance, low coefficient of friction, low oxygen transmission rate and low light transmission.

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patent: 3695923 (1972-10-01), Thompson et al.
patent: 4175977 (1979-11-01), Heaton et al.
patent: 4214039 (1980-07-01), Steiner et al.
patent: 4377616 (1983-03-01), Ashcraft et al.
patent: 4447494 (1984-05-01), Wagner, Jr. et al.

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