Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1984-11-27
1985-12-10
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08F26502
Patent
active
045580995
ABSTRACT:
A thermoplastic resin having excellent impact resistance and heat resistance obtainable by polymerizing 93 to 30 parts by weight of a monomer mixture comprising 20 to 90% by weight of at least one .alpha.-alkylaromatic vinyl monomer, 10 to 40% by weight of at least one vinyl cyanide monomer and 0 to 60% by weight of at least one vinyl monomer copolymerizable therewith (100% by weight in total) in the presence of 7 to 70 parts by weight (in terms of solid) of a rubber latex of a large particle size having a particle diameter of at least 0.2 .mu.m obtained by adding 0.1 to 5 parts by weight (in terms of solid) of an acid-group containing copolymer (B) latex obtained from 3 to 30% by weight of an acid-group containing monomer, 97 to 35% by weight of at least one alkyl acrylate having 1 to 12 carbon atoms in the alkyl group, and 0 to 48% by weight of at least one vinyl monomer copolymerizable therewith (100% by weight in total) to 100 parts by weight (in terms of solid) of a rubber (A) latex of a small particle size having a pH of 7 or higher obtained from 100 to 50% by weight of 1,3-butadiene and 0 to 50% by weight of a monomer having CH.sub.2 .dbd.C<group and copolymerizable therewith (100% by weight in total).
REFERENCES:
patent: 4331784 (1982-05-01), Ishibashi
Kishida Kazuo
Sato Yasumasa
Yamamoto Naoki
Michl Paul R.
Mitsubishi Rayon Co. Ltd.
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