Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-09-09
1990-09-18
Herbert, Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428264, 428265, 428290, 428336, 428421, 428447, 428511, 4285375, B32B 2308, B32B 2710
Patent
active
049578081
ABSTRACT:
A thermal stencil paper for mimeograph comprising a porous support and a plastic film laminated on each other. The thermal stencil paper for mimeograph of this invention contains a novel release layer on the plastic film. The release layer is composed of a specific graft polymer whose branch polymer comprises a fluorocarbon or silicone resin. The graft polymer is prepared by copolymerizing a radically polymerizable monomer constituting a backbone polymer of said graft polymer and a radically polymerizable fluorocarbon or silicone prepolymer which has a polymerizable double bond at one terminal end of its polymer chain.
REFERENCES:
patent: 4587165 (1986-05-01), Ohmori et al.
patent: 4711818 (1987-12-01), Henry
Patent Abstracts of Japan, M-387 Jun. 14, 1985, vol. 9/No. 139-JP60-19591, Kamiyama.
Arai Fumiaki
Kimura Masaru
General Company Ltd.
Herbert Thomas J.
Ricoh & Company, Ltd.
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