Process for the manufacture of linear polyesters which contain p

Details Process for the manufacture of linear polyesters which contain p Process for the manufacture of linear polyesters which contain p

1977-01-26

1978-07-18

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528173, 528181, 528176, 528279, 528289, 528281, 528361, 528293, C08G 6318, C08G 6368

Patent

active

041015266

ABSTRACT:
The reaction for the manufacture of linear polyesters by polycondensing dicarboxylic acids, hydroxycarboxylic acids or the esters and diols thereof is speeded up by the addition of 1 to 25% by weight of esters of phosphoric and/or phosphorous acid.

REFERENCES:
patent: 3489722 (1970-01-01), Kotani et al.
patent: 3796691 (1974-03-01), Chimura et al.
patent: 3907754 (1975-09-01), Tershansy et al.
patent: 3935168 (1976-01-01), Rashbrook
patent: 3998793 (1976-12-01), Gey et al.

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