Release coating for pressure sensitive adhesives

Details Release coating for pressure sensitive adhesives Release coating for pressure sensitive adhesives

1995-04-04

1996-08-20

Carrillo, Ana L.

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...

524156, 524167, 524168, 524369, 524501, C08L 7708

Patent

active

055480179

ABSTRACT:
This invention relates to a release coating for pressure sensitive adhesive designed primarily for use on paper and textile substrates. The basic release coating comprises a latex containing polymer material and a release additive. The improvement in the basic release coating comprises the incorporation of a polyamide resin having a softening point of less than 70.degree. C. as a release additive. Preferably, the polyamide resin is a dimer fatty acid reacted with an aliphatic or cycloaliphatic amine.

REFERENCES:
patent: 3978274 (1976-08-01), Blum
patent: 4386183 (1983-05-01), Wempe
patent: 4587167 (1986-05-01), Maietti et al.
patent: 4623392 (1986-11-01), Ou-Yang
patent: 5284690 (1994-02-01), Williams et al.

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