Decorative packaging films

Details Decorative packaging films Decorative packaging films

1987-07-08

1988-10-25

Anderson, Philip

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264134, 264154, 264171, 264211, 2642888, 2642893, 2642902, 4283179, 428910, B29C 4706, B29C 5512, B29B 788, B29B 1510

Patent

active

047803649

ABSTRACT:
A decorative packaging film comprises a base film of a synthetic polymeric material (an olefinic polymer) containing a highly light absorbent pigment, for example carbon black, and at least one surface layer of a second synthetic polymeric material, which is light transmittable and which contains a solid particulate material, for example calcium carbonate, having a particle size of from 0.1 to 10 microns and present in an amount from 1 to 40% by weight, the combination having been stretched to cause the formation of voids in the surface layer or layers at the sites of the particles of the particulate material. The appearance of the film varies from an intense opalescence to a lustrous metallic appearance.

REFERENCES:
patent: 3737354 (1973-06-01), Hattori
patent: 3900670 (1975-08-01), Ikeda et al.
patent: 4058582 (1977-11-01), Bierenbaum et al.
patent: 4176148 (1979-11-01), Magder et al.
patent: 4255376 (1981-03-01), Soehngen
patent: 4632869 (1986-12-01), Park et al.

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