Thermoplastic resin compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525 75, 525 84, 525 86, 525192, 525211, 525230, 525238, 525239, C08L 2706, C08L 2724, C08L 2512, C08L 2516

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active

047451564

ABSTRACT:
A polyvinyl chloride resin composition is disclosed, which contains an .alpha.-methylstyrene/acrylonitrile copolymer in a specified amount. Forming sheet materials made therefrom having high heat distortion resistance as well as a favorable balance of tensile strength and stretching characteristics at elevated temperatures and being suitable for vacuum and pressure forming are also disclosed.

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patent: 3268626 (1966-08-01), Jennings et al.
patent: 3644577 (1972-02-01), Lee et al.
patent: 4054615 (1977-10-01), Hardt et al.
patent: 4251645 (1981-02-01), Humme et al.
patent: 4304884 (1981-12-01), Okamoto
patent: 4337324 (1982-06-01), Yusa et al.
patent: 4507435 (1985-03-01), Suek et al.

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