Pressure-sensitive adhesive comprising solid tacky microspheres

Details Pressure-sensitive adhesive comprising solid tacky microspheres Pressure-sensitive adhesive comprising solid tacky microspheres

1990-04-20

1992-06-02

Ziegler, Jacob

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...

252305, 428500, 524463, 524474, 524504, 524903, 525 73, 525 77, 525 78, 525 80, 525 85, C08K 501, C08K 502

Patent

active

051187507

ABSTRACT:
A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% solid, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester; and at least one polar monomer, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

REFERENCES:
patent: 3578622 (1911-05-01), Brown et al.
patent: 3691140 (1972-09-01), Silver
patent: 3857731 (1974-12-01), Merrill et al.
patent: 4554324 (1985-11-01), Husman et al.
patent: 4656218 (1987-04-01), Kinoshita
patent: 4735837 (1988-04-01), Miyasaka et al.

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