Plastisol compositions

Details Plastisol compositions Plastisol compositions

1991-09-26

1992-08-11

Seccuro, Jr., Carman J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524296, 524310, 524314, 524385, 524517, 525 74, 525193, 525207, 525285, C08L 2706, C08K 500

Patent

active

051379520

ABSTRACT:
Free radical-curable compositions comprising a plastisol component and a copolymer containing free anhydride functionality and, optionally, other reactive diluents are provided. In particular, curable compositions employing a plastisol, preferably a polyvinyl chloride-containing plastisol, and a low molecular weight crosslinking copolymer component having free anhydride functionality and which is a partial esterification product of a terminally ethylenically unsaturated compound and a polymerizable maleic anhydride are provided. The compositions of the invention yield improved adhesives, sealants, coatings, and insulators for a wide variety of substrates and may be employed in a variety of coatings and castings. Processes for preparing cured plastisol compositions from the disclosed free radical-curable compositions are also provided.

REFERENCES:
patent: 4251618 (1981-02-01), McCartin
patent: 4388363 (1983-06-01), Fountain
patent: 4613639 (1986-09-01), Blum
patent: 4623558 (1986-11-01), Lin
patent: 4722947 (1988-02-01), Thanwalla
patent: 4745138 (1988-05-01), Thanwalla
patent: 4882376 (1989-11-01), Dusoleil
patent: 4957955 (1990-09-01), Saur

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