Coordination complexes as polyesterification catalysts

Details Coordination complexes as polyesterification catalysts Coordination complexes as polyesterification catalysts

1981-12-31

1982-11-30

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528281, 528283, 528285, C08G 6334

Patent

active

043616941

ABSTRACT:
The process and the catalyst used therein for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.

REFERENCES:
patent: Re30554 (1981-03-01), Weinberg et al.
patent: 3546179 (1970-12-01), Koller
patent: 3852247 (1974-12-01), Vizurraga
patent: 4116942 (1978-09-01), Weinberg et al.
patent: 4143057 (1979-03-01), Weinberg et al.

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