Pressure sensitive adhesive optical film and image viewing...

Details Pressure sensitive adhesive optical film and image viewing... Pressure sensitive adhesive optical film and image viewing...

2007-01-09

2007-01-09

Zirker, Daniel (Department: 1771)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

C428S354000, C428S3550AC, C427S208800

Reexamination Certificate

active

10413636

ABSTRACT:
A pressure sensitive adhesive optical film with a pressure sensitive adhesive layer laminated on at least one surface of an optical film, wherein the pressure sensitive adhesive layer has a value of no more than 5 N/25 mm for a P0which is initial 90° peel strength at 23° C. and by a peeling speed of 300 mm/minute after an autoclave processing under a condition of 50° C.×5 atm×15 minutes, and a ratio (P1/P0) of a P1to a P0is no less than 2, which P1is 90° peel strength after heating by a peeling speed of 300 mm/minute and at 23° C. after the pressure sensitive adhesive layer is given the above-mentioned autoclave processing and is furthermore given a heat-treatment at 80° C. for 2 hours.

REFERENCES:
patent: 6103302 (2000-08-01), Minamizaki et al.
patent: 2003/0198807 (2003-10-01), Banba et al.
patent: WO 01/37007 (2001-05-01), None

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