Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-06-21
1996-11-19
Sweet, Mark D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428211, 428481, 428484, 4284851, 4284884, 428523, B32B 2714
Patent
active
055760929
ABSTRACT:
A layer for preventing sticking of thermal image-forming materials to thermal printheads during thermal printing. The layer comprises polymeric material having a non-cyclic, substantially completely saturated hydrocarbon backbone, said backbone having substantially only hydrogen atoms and methyl groups attached to randomly positioned carbon atoms thereon, with no more than one methyl group attached to any one backbone carbon atom. Application of the anti-stick layer to the substrate is facilitated by the solubility of the polymeric material in commonly used organic solvents, thereby allowing very thin layers of the coating to be applied in the form of dilute solutions.
REFERENCES:
patent: 3635746 (1972-01-01), Karlan
patent: 4686549 (1987-08-01), Williams et al.
patent: 4707404 (1987-11-01), Morishita et al.
patent: 4778729 (1988-10-01), Mizobuchi
patent: 4822653 (1989-04-01), Kauffman et al.
patent: 5001012 (1991-03-01), Sarkar et al.
Jongewaard Susan K.
Miller Alan G.
Griswold Gary L.
Gwin, Jr. H. Sanders
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Sweet Mark D.
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