Stress-whitening embossable film

Details Stress-whitening embossable film Stress-whitening embossable film

C - Chemistry, Metallurgy

08

L

C08L 23/10 (2006.01) B32B 3/00 (2006.01) B32B 27/06 (2006.01) B32B 27/20 (2006.01) B32B 27/32 (2006.01) B44C 1/24 (2006.01) C08L 23/20 (2006.01) G09F 3/00 (2006.01)

Patent

CA 2103975

Abstract An embossable sheet, having at least one stress- whitening layer comprising a blend of: a) at least one heat-stable polymer selected from the group consisting of polypropylene and a polymethyl alkene, said alkene having from about 3 to about 7 carbon atoms, b) at least one other polymeric material immiscible therewith, and c) an effective amount of an antioxidant, said sheet exhibiting stress-whitening which is stable at 136°C for at least about 7 days.

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