Rubber-modified thermoplastic resin composition

Details Rubber-modified thermoplastic resin composition Rubber-modified thermoplastic resin composition

1986-02-13

1989-03-21

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525289, 525290, 525316, 525324, C08F25504, C08F25506

Patent

active

048143880

ABSTRACT:
A rubber-modified thermoplastic resin composition obtained by copolymerizing an aromatic vinyl compound and optionally other monomers copolymerizable therewith in the presence of an ethylene-.alpha.-olefin type rubbery polymer having a molecular weight distribution parameter Mw/Mn of 1.2 to 4.5. Said polymer preferably has Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 40 or less. Said composition is excellent not only in weather resistance and impact resistance but also in rigidity, surface gloss and molded product appearance.

REFERENCES:
patent: 3819765 (1974-06-01), O'Shea
patent: 3984496 (1976-10-01), Morimoto et al.
patent: 4490508 (1984-12-01), Nagano et al.
patent: 4659785 (1987-04-01), Nagano et al.

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