Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Release layer
Patent
1997-03-10
2000-08-29
Ahmad, Nasser
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Release layer
283 81, 428 401, 428 413, 428 414, 428 421, 428202, 428352, B32B 900
Patent
active
061105546
ABSTRACT:
A release liner for business form and label constructions comprises a substrate of carbonizing bond paper having a weight of between about 35-80 grams per square meter. A radiation (e.g. U.V.) curable silicone polymer blend is coated on the first face of the substrate with a coating weight of between about 0.8-2.3 grams per square meter. The silicone polymer blend comprises a large part base silicone polymer and optionally up to 40% of tight release additive, about 1 to 5% photoinitiator, and possibly substantially inert ingredients. A paper face of the form or label having a weight of between about 65-99 grams per square meter has a hot melt permanent or removable pressure sensitive adhesive on one of its faces, either applied directly or transferred to it if coated on the silicone, the adhesive in contact with the release liner. The form or label is substantially curl free after running through a laser printer.
REFERENCES:
patent: 3653944 (1972-04-01), Ehrhardt
patent: 4398985 (1983-08-01), Eagon
patent: 4721748 (1988-01-01), Iovine et al.
patent: 5023138 (1991-06-01), McIntyre
patent: 5108782 (1992-04-01), Reed
patent: 5397813 (1995-03-01), Eckberg
patent: 5558913 (1996-09-01), Sasaki et al.
patent: 5695589 (1997-12-01), German
"The Manufacture of Business Forms," Business Forms Glossary, International Paper Company, J.J. Forsythe, Second Edition, Apr. 1977.
Textbook description of Carbon Papers, pp. 61-73 (admitted prior art).
Baker Jay O.
Chess Stanley C.
Moeller Scott A.
Ahmad Nasser
Moore U.S.A. Inc.
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