Release agent composition and release liner

Details Release agent composition and release liner Release agent composition and release liner

2007-12-25

2007-12-25

Choi, Ling-Sui (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C525S374000, C525S379000

Reexamination Certificate

active

11136596

ABSTRACT:
An acrylic resin type release agent composition comprising (A) a polymer which comprises a (meth)acrylate containing a constituent unit represented by the following formula (1) and (B) a crosslinking agent which comprises an amino resin, wherein a weight ratio (A)/(B) is in the range of 99.99/0.1 to 30/70:wherein R1is a hydrogen atom or a methyl group, and R2is a long-chain alkyl group of 12 to 28 carbon atoms. Also described herein is a release liner having a release layer made of the release agent composition. The acrylic resin type release agent composition exhibits excellent solvent resistance, heat resistance and adhesion to substrate without exerting evil influence on electronic parts and the like, and is capable of controlling peel strength.

REFERENCES:
patent: 2000-290610 (2000-10-01), None
patent: 2003-003032 (2003-01-01), None
patent: 2003-147327 (2003-05-01), None
patent: 2003-147327 (2003-05-01), None
patent: 2003-183619 (2003-07-01), None

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