Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-02-23
1983-12-06
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 71, 525 75, 525 80, 525 84, C08L 5104, C08L 6900, C08L 3312, C08L 2512
Patent
active
044194919
ABSTRACT:
A thermoplastic resin composition with excellent color development which comprises (A) a graft polymer comprising an ethylene-propylene elastomeric polymer and units of at least two kinds of monomers chosen from aromatic vinyl compounds, vinyl cyanide compounds and other copolymerizable monomers grafted thereon, and if necessary, (A') a copolymer comprising units of at least two kinds of monomers chosen from aromatic vinyl compounds, vinyl cyanide compounds and other copolymerizable monomers in an amount of not more than 95% by weight based on the combined weight of the graft polymer (A) and the copolymer (A'), with (B) a methyl methacrylate polymer, the proportion of the combined weight of the graft polymer (A) and the copolymer (A') and the weight of the methyl methacrylate polymer being from 5:95 to 95:5.
REFERENCES:
patent: 4000219 (1976-12-01), Smejkal
patent: 4166081 (1979-08-01), Fournier et al.
patent: 4172103 (1979-10-01), Serini et al.
patent: 4276391 (1981-06-01), Hardt et al.
Nakai Fumio
Sakano Hajime
Tomari Yukio
Seccuro Carman J.
Sumitomo Naugatuck Co. Ltd.
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