Stabilized poly(alkylene terephthalates)

Details Stabilized poly(alkylene terephthalates) Stabilized poly(alkylene terephthalates)

1976-08-23

1978-01-03

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457P, 260 457PH, 260 458R, C08K 515

Patent

active

040666174

ABSTRACT:
Poly(alkylene terephthalates) are stabilized during high temperature processing by neutral esters of phosphorous acid having at least one oxetane group. The stabilized poly(alkylene terephthalates) are resistant to molecular weight degradation and discoloration during melt processing of the polymer when the polymer is being extruded and formed into molded articles.

REFERENCES:
patent: 2437232 (1948-03-01), Rothrock et al.
patent: 3305520 (1967-02-01), Fritz et al.
patent: 3398212 (1968-08-01), Jackson et al.
patent: 3489716 (1970-01-01), Calkins
patent: 3516957 (1970-06-01), Gray et al.
patent: 3794629 (1974-02-01), Eimers et al.
patent: 3886104 (1975-05-01), Borman et al.
Goodman et al.; Polyesters; vol. 1, 1965; pp. 1-3.

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