Method of production of acrylic resin for film use and an acryli

Details Method of production of acrylic resin for film use and an acryli Method of production of acrylic resin for film use and an acryli

1977-12-12

1978-09-19

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 3102

Patent

active

041154800

ABSTRACT:
A method of producing acrylic resin for use as a film and having reduced tendency to stress whitening and acrylic resins produced by such method. An elastomer is prepared by copolymerizing a cross-linking monomer with a monomer mixture comprising a major proportion of acrylic acid alkyl ester containing 1 to 8 carbon atoms in the alkyl group and having gel content of more than 60%, degree of swelling of less than 15 and mean particle size of 500 to 2000 A. A resin component comprising a major proportion of methacrylic acid alkyl ester containing 1 to 4 carbon atoms in the alkyl group is graft polymerized to a degree of grafting of over 30% in an emulsion of the elastomer to produce the desired resin.

REFERENCES:
patent: 3804925 (1973-04-01), Kato et al.
patent: 3812205 (1974-05-01), Dunkelberger

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