Release films formed by coextrusion

Details Release films formed by coextrusion Release films formed by coextrusion

B - Operations, Transporting

32

B

B32B 7/06 (2006.01) A61F 13/60 (2006.01) A61L 15/20 (2006.01) B32B 7/12 (2006.01)

Patent

CA 2154568

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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