Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1995-03-14
1997-05-27
Thibodeau, Paul J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524590, 524591, 525452, 525453, 528 68, 528 69, 4284231, C08L 7500
Patent
active
056333285
ABSTRACT:
The present invention provides a release coating composition which is easy to coat on a matter to be coated and forms a release coating composition layer having high heat resistance and difficulty in release coat transfer to an adhesive layer, and also provides a release sheet having a release coating composition layer of which heat resistance is high and release coat transfer to an adhesive layer is hard to occur. The release coating composition comprises: (A) an addition product between a polyamine compound having at least two of an active hydrogen-containing amino group per one molecule and a monoisocyanate compound having an alkyl group of 8 or more in carbon number; (B) a compound having, per one molecule, at least two of a functional group reactive with an active hydrogen of the amino group; and (C) at least one kind of diluent selected from an organic solvent and water. The release sheet comprises a sheet type base material and a release coating composition layer which has attached to at least one face of the base material and been converted into one united body with the base material, wherein the release coating composition layer comprises a reaction product between the components (A) and (B) of the release coating composition.
REFERENCES:
patent: 4957808 (1990-09-01), Aorai et al.
Coatings, V, pp. 427-442, Skeist Incorporated, Whippany, New Jersey 07981, USA, May 1992.
Akasaki Ichimoto
Tsujinaka Koji
Critharis Mary
Nippon Shokubai Co. , Ltd.
Thibodeau Paul J.
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