Method for preparing polyester

Details Method for preparing polyester Method for preparing polyester

1979-03-30

1980-07-08

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528483, C08G 6318

Patent

active

042118581

ABSTRACT:
In the preparation of polyester having, as the main recurring unit, alkylene aromatic dicarboxylate, the vapor of alkylene glycol is continuously blown into the polycondensation vessel to make clean the inside thereof.

REFERENCES:
patent: 3402023 (1968-09-01), Dobo
patent: 3841836 (1974-10-01), Lunsford et al.

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