Styrene-based polymer moldings

Details Styrene-based polymer moldings Styrene-based polymer moldings

1992-10-13

1993-12-14

Teskin, Fred

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

Synthetic resins

Treating polymer containing material or treating a solid...

528503, 526293, 526334, 526347, 5263471, 5263472, 26433117, 264345, C08F 600, C08F11204

Patent

active

052704424

ABSTRACT:
Styrene-based polymer moldings with a crystallinity of at least 20% obtained by subjecting moldings of crystalline styrene-based polymers having mainly syndiotactic configuration to heat treatment at a temperature of 120.degree. to 270.degree. C. These moldings are excellent in physical properties such as heat resistance and chemical resistance, and thus are expected to find various applications, for example, in general construction materials, electric or electronic devices, and car parts.

REFERENCES:
patent: 3009206 (1961-11-01), Salyer et al.
patent: 4680353 (1987-07-01), Ishihara et al.
patent: 4824629 (1989-04-01), Seitz et al.
Ishihara et al, Macromolecules, 1986, 19, 2464-2465.
Neilsen, Mechanical Properties of Polymers . . . , Marcel Dekker, Inc. N.Y., N.Y. (1974) pp. 54-55.

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