Core-shell polymer, resin composition and molded article thereof

Details Core-shell polymer, resin composition and molded article thereof Core-shell polymer, resin composition and molded article thereof

1993-03-26

1994-06-28

Carrillo, Ana L.

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

Synthetic resins

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

525902, C08L 7700

Patent

active

053247809

ABSTRACT:
The invention thus provides a core-shell polymer comprising a core phase which is rubbery polymer and a shell phase which is a glassy polymer with an unsaturated dicarboxylic acid or its mono-alkyl ester as a constituent thereof, wherein the toluene-soluble fraction of the core-shell polymer accounts for not more than 10% by weight.
It also provides polyamide resin compositions comprising said core-shell polymer and molded articles produced by molding said compositions.
The resin compositions and molded articles which comprises the core-shell polymer as an impact modifier have good features, especially a high impact strength at temperature ranging from room temperature to -30.degree. C.

REFERENCES:
patent: 3668274 (1972-06-01), Owens et al.
patent: 4086300 (1978-04-01), Owens et al.
patent: 4172861 (1979-10-01), Li et al.
patent: 4306040 (1981-12-01), Baer

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