Adhesive copolymer microspheres-containing aqueous suspension an

Details Adhesive copolymer microspheres-containing aqueous suspension an Adhesive copolymer microspheres-containing aqueous suspension an

1986-06-04

1987-04-07

Schofer, Joseph L.

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...

524 26, 526201, C08F 216

Patent

active

046562184

ABSTRACT:
A repeatedly usable and releasable sheet is coated thereon with an adhesive copolymer microspheres-containing aqueous suspension and polymer microparticles prepared by polymerization of one or more vinyl monomers. In the presence of a protective colloid comprising casein, the microspheres is prepared by aqueous suspension polymerization of (a) from 70 to 99.9 percent by weight of one or more monomers selected from the group consisting of alkyl acrylate esters and alkyl methacrylate esters, (b) from 0.1 to 10 percent by weight of one or more .alpha.-monoolefin carboxylic acids and (c) from 0 to 29.9 percent by weight of one or more vinyl monomers other than the foregoing (a) and (b).

REFERENCES:
patent: 2754240 (1956-07-01), Kinney
patent: 3375121 (1968-03-01), Bildusas
patent: 3392048 (1968-07-01), Rolik
patent: 3691140 (1972-09-01), Silver
patent: 3857731 (1974-12-01), Merrill, Jr. et al.
patent: 4166152 (1979-08-01), Baker et al.

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