Lower gloss protective covering

Details Lower gloss protective covering Lower gloss protective covering

1990-07-25

1991-05-28

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

430271, 430293, 430950, 428332, B32B 2736, B32B 2734, B32B 2730, B32B 2700

Patent

active

050195360

ABSTRACT:
Method of providing an image-bearing surface, e.g., a pre-press proof, with a protective covering, comprising laminating to said surface a thin, substantially transparent integral polymeric film, the improvement wherein the polymeric film consists essentially of a mixture of at least two slightly incompatible polymers, whereby the film exhibits a 20.degree. specular gloss that is at least 5% lower than the gloss of a film prepared from any one of said polymer constituents.

REFERENCES:
patent: 3811924 (1974-05-01), Gallagher et al.
patent: 4053313 (1977-10-01), Fan
patent: 4162919 (1979-07-01), Richter et al.
patent: 4174216 (1979-11-01), Cohen et al.
patent: 4221836 (1980-09-01), Rutledge et al.
patent: 4232117 (1980-11-01), Naoi et al.
patent: 4298682 (1981-11-01), Bishop
patent: 4329420 (1982-05-01), Bopp
patent: 4357418 (1982-11-01), Cellone
patent: 4533576 (1985-08-01), Tanahashi et al.
patent: 4933258 (1990-06-01), Shinozaki et al.
Chemical Abstracts (86): 91221n, 1977.

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