Cold seal release film with improved scuff resistance

Details Cold seal release film with improved scuff resistance Cold seal release film with improved scuff resistance

2005-07-19

2005-07-19

Nakarani, D. S. (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

C428S354000, C428S516000, C428S523000, C524S394000

Reexamination Certificate

active

06919129

ABSTRACT:
A cold seal release film in the form of a monolayer film or an outer layer of a multilayer film. The cold seal release film includes a nucleating agent and 10%-100% by weight of the polymer composition of a polymer selected from the group consisting of 1-butene homopolymer, 1-butene/ethylene random copolymers having over 50% by weight 1-butene therein blends of the 1-butene homopolymer and the 1-butene/ethylene random copolymers, and 90%-0% by weight of the polymer composition of a polymer selected from the group consisting of ethylene random copolymers of polypropylene, butene random copolymers of polypropylene and ethylene-butene random terpolymers of polypropylene.

REFERENCES:
patent: 5792549 (1998-08-01), Wilkie
patent: 6171681 (2001-01-01), Mascarenhas et al.

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