Polymers with graft .alpha.-alkylacrylate functionality

Details Polymers with graft .alpha.-alkylacrylate functionality Polymers with graft .alpha.-alkylacrylate functionality

1983-07-20

1985-03-12

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525193, 525284, 525478, 525479, C08F27500

Patent

active

045046298

ABSTRACT:
Polymers having .alpha.-alkylacrylate functionality may be prepared by hydrosilating an aliphatically unsaturated polymer with a grafting agent of structure (A) or (B): ##STR1## where R.sup.1 is an alkyl group; R.sup.2 is a divalent group nonreactive under hydrosilation conditions; n is 0, 1, 2, 3, or 4; x and y are 0, 1, 2, 3 or 4 and x+y=1, 2, 3 or 4; and, the R.sup.3 groups are the same or different alkyl, substituted alkyl, aryl, substituted aryl or ##STR2## groups. Preferred olefinically unsaturated polymers include homopolymers and copolymers of butadiene or alkyl substituted butadiene and polyorganosiloxanes with unsaturated hydrocarbyl groups such as vinyl or allyl.

REFERENCES:
patent: 2793223 (1957-05-01), Merker
patent: 2922806 (1960-01-01), Merker
patent: 2956044 (1960-10-01), Merker
patent: 3417161 (1968-12-01), Douds et al.
patent: 3577264 (1971-05-01), Nordstrom
patent: 3878263 (1975-04-01), Martin
patent: 4035355 (1977-07-01), Baney
patent: 4139519 (1979-02-01), Itoh et al.
patent: 4295909 (1981-10-01), Baccei
patent: 4309526 (1982-01-01), Baccei
patent: 4348454 (1982-09-01), Eckberg

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