Matt-effect, biaxially stretched polypropylene film and a proces

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Details

428500, 428516, 428910, 264510, 264291, 2641761, 15624411, D22B 2700

Patent

active

054259908

ABSTRACT:
The invention relates to matt-effect multilayer polypropylene films which acquire their matt appearance from at least one-sided, coextruded layer of a polymer mixture.

REFERENCES:
patent: 3843478 (1974-10-01), Zuscik
patent: 4410482 (1983-10-01), Subramanian
patent: 4522887 (1985-06-01), Koebisu et al.
patent: 4966933 (1990-10-01), Kawakami et al.

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