Thermoplastic copolyester elastomer

Details Thermoplastic copolyester elastomer Thermoplastic copolyester elastomer

1976-08-12

1978-06-20

Danison, Walter C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75T, C08G 6318

Patent

active

040961265

ABSTRACT:
A thermoplastic copolyester elastomer which comprises dicarboxylic acid component mainly composed of terephthalic and phthalic acids, wherein the molar ratio of terephthalic acid to phthalic acid is from about 80/20 to 35/65, and diol component mainly composed of 1,4-butanediol. The elastomer has excellent thermal stability and weatherability and can be improved in the elastomeric properties by orientation of polymer molecule before crystallization.

REFERENCES:
patent: 2968065 (1961-01-01), Gronholz
patent: 3136677 (1964-06-01), Woker
patent: 3682863 (1972-08-01), McHale
patent: 3766146 (1973-10-01), Witsiepe
patent: 3817935 (1974-06-01), Beer
patent: 3926920 (1975-12-01), Georgoudis et al.
Hill et al., J. Polymer Sci., 3(5), (1948), pp. 609-630.

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