Pressure-sensitive adhesive comprising solid tacky microspheres

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

1992-05-15

1993-06-01

Ziegler, Jacob

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428344, 524356, 524462, 524463, 524474, 524502, 524504, B32B 508, C09J 704

Patent

active

052158187

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:
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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.
patent: 5141790 (1992-08-01), Calhoun et al.
patent: 5143972 (1992-09-01), Grover
References Ato F, L and M were cited in Parent Case now U.S. Pat. No. 5,118,750 & now submitted on PTO-1449 dated Oct. 24, 1992.

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