Highly adhesive pressure sensitive adhesive compositions and...

Details Highly adhesive pressure sensitive adhesive compositions and... Highly adhesive pressure sensitive adhesive compositions and...

2008-05-13

2008-05-13

Tran, Thao (Department: 1794)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C526S931000, C526S320000

Reexamination Certificate

active

07371460

ABSTRACT:
A highly adhesive pressure sensitive adhesive composition includes at least (A) a hydroxyl-group-containing acrylic polymer, (B) an amine compound containing plural hydroxyl groups, and (C) a polyisocyanate compound and has a gel fraction of equal to or more than 10% by weight and less than 70% by weight after drying or curing. A highly adhesive pressure sensitive adhesive sheet has a highly adhesive pressure sensitive adhesive layer including the highly adhesive pressure sensitive adhesive composition formed on one or both sides of a base material. The sheet preferably has a 180° peel force with respect to a stainless steel sheet of 10 N/20-mm or more as determined at a pulling rate of 300 mm/minute, 23° C. and 50% relative humidity.

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Copending U.S. Appl. No. 10/157,136.

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