Release films formed by coextrusion

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer

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428 414, 428 418, 428343, 428354, 428355, B32B 712, B32B 1504, A61F 1302

Patent

active

057005710

ABSTRACT:
A release liner providing a release surface which comprises a first olefin polymer film formed having dispersed therein by high shear mixing a release substance which is polyethyleneimine octadecyl carbamide, polyvinyl octadecyl carbamate or a mixture thereof, coextruded or cocast onto a film formed from a second olefin polymer. The release liner has particular utility in diaper tape application.

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