Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1978-10-17
1981-02-24
Van Ballen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428522, 525166, B32B 702, B32B 2720, B32B 2730
Patent
active
042528534
ABSTRACT:
A destructible marking film having a thickness of about 30 to about 60 microns and a destructibility of not more than 60 Kg.cm/mm, said film being composed of a resin composition consisting essentially of (A) 100 parts by weight of a vinyl chloride resin having a degree of polymerization of about 600 to about 2000 and containing 0 to about 5% by weight of a comonomer unit, (B) about 5 to about 20 parts by weight of an alkyl methacrylate resin, (C) about 5 to about 30 parts by weight of a liquid plasticizers, (D) about 10 to about 150 parts by weight of a pigment, and (E) 0 to about 10 parts by weight of at least one additive selected from the group consisting of lubricants and stabilizers. The film can be prepared by shaping the above-defined resin composition by calendering.
REFERENCES:
patent: 3953650 (1976-04-01), Sauer et al.
patent: 4100325 (1978-07-01), Summers et al.
patent: 4121016 (1978-10-01), Garrison
patent: 4124431 (1978-11-01), Schramer et al.
Nippon Carbide Kogyo Kabushiki Kaisha
Van Ballen William J.
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