Lightsafe masking film

Details Lightsafe masking film Lightsafe masking film

1989-02-02

1992-02-04

Davis, Jenna

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

428518, 428520, 428522, B30B 706

Patent

active

050859080

ABSTRACT:
A lightsafe masking film is disclosed which comprises a transparent substrate, and a transparent, lightsafe layer peelably provided over the surface of the substrate and containing (a) a nitrile rubber, (b) a vinyl chloride/vinylidene chloride copolymer having an average polymerization degree of 300-600 and a weight ratio of the vinyl chloride units to the vinylidene chloride units of 60:40 to 95:5, and (c) a lightsafe substance, the weight ratio of component (b) to component (a) being in the range of 50:50 to 95:5.

REFERENCES:
patent: 2653884 (1953-09-01), Hussey
patent: 2919206 (1959-12-01), Malmquist
patent: 3288888 (1966-11-01), Wieckowski
patent: 3662028 (1972-05-01), Wineland
patent: 3892900 (1975-07-01), Shima et al.
patent: 4925713 (1990-05-01), Kiryu
Patent Abstracts of Japan, vol. 7, No. 216, JP-A-58 108 537.

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