High impact strength thermoplastic compositions

Details High impact strength thermoplastic compositions High impact strength thermoplastic compositions

1974-04-02

1976-08-24

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260876R, C08L 2506, C08L 2510

Patent

active

039767256

ABSTRACT:
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a rubber modified polystyrene resin, the polystyrene matrix in the composition having an intrinsic viscosity of at least 1.0 deciliters/gram. Such compositions, which contain polystyrene of substantially higher molecular weight than heretofore, provide molded articles with unexpected improvements in impact resistance, surface appearance and resistance to aggressive solvent systems. Also provided are high impact compositions, useful per se or for blending with polyphenylene ethers, comprising polyblends of rubber dispersed in a polystyrene matrix, the polystyrene having an intrinsic viscosity of at least 1.0 deciliters/gram.

REFERENCES:
patent: 2789962 (1957-04-01), Groff et al.
patent: 3041310 (1962-06-01), Luftglass et al.
patent: 3213159 (1965-10-01), Adomaitis
patent: 3226453 (1965-12-01), Arnold et al.

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