Acrylic pressure sensitive adhesives with controlled humidity re

Details Acrylic pressure sensitive adhesives with controlled humidity re Acrylic pressure sensitive adhesives with controlled humidity re

1995-10-16

1997-10-21

Henderson, Christopher

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 27, 524388, 524556, 524560, C08F22018, C08L 500

Patent

active

056797320

ABSTRACT:
A pressure-sensitive adhesive composition includes from about 30 weight percent to about 70 weight percent solids in an aqueous medium. The solids include an acrylic polymer having a glass transition temperature of from about -25.degree. C. to about -85.degree. C. and having an acid number of from about 3 to about 30 and from about 0.75 parts by weight to about 5 parts by weight of a humectant per 100 parts polymer.

REFERENCES:
patent: 3983059 (1976-09-01), Sekmakas
patent: 4055529 (1977-10-01), Burley
patent: 4341680 (1982-07-01), Hauber
patent: 4548845 (1985-10-01), Parsons et al.
patent: 4588762 (1986-05-01), Mruk et al.
patent: 5264475 (1993-11-01), Kissel
Co-pending U.S. application Serial No. 07/726,611, Filed Jul. 8, 1991, By Chol-yoo Choi, For "Printable Pressure Sensitive Adhesives Articles".

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