Process for catalytic production of polyesters

Details Process for catalytic production of polyesters Process for catalytic production of polyesters

1977-02-28

1978-09-26

Sneed, Helen M. S.

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

Synthetic resins

From carboxylic acid or derivative thereof

252431C, 260446, 528286, C08G 6312

Patent

active

041169425

ABSTRACT:
A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using mixtures of antimony diglycollate and silicon compounds as catalysts.

REFERENCES:
patent: 2465319 (1949-03-01), Whinfield et al.
patent: 3377319 (1968-04-01), Wiener
patent: 3536667 (1970-10-01), Stewart et al.
patent: 3546179 (1970-11-01), Koller
patent: 3758535 (1973-09-01), Vizurraga
patent: 3833630 (1974-09-01), Loeffler
Mehrotra et al., Jour. Ind. Chem. Soc., v. 42, No. 5, pp. 327-332, (1965).

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