Polyester which is soluble or dispersible in water, a process fo

Details Polyester which is soluble or dispersible in water, a process fo Polyester which is soluble or dispersible in water, a process fo

1980-01-07

1982-02-02

Tungol, Maria Parrish

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

Synthetic resins

From carboxylic acid or derivative thereof

8552, 8584, C08G 6368, C08G 7904, D06P 152, D06P 160

Patent

active

043140521

ABSTRACT:
Improved polyesters soluble or dispersible in water having an apparent average molecular weight of 800 to 5,000 and containing phosphonic ester moieties are useful as levelling auxiliaries for uniform dyeing and are produced by esterifying dibasic acids and dihydric alcohols, either or both of which contain phosphonic acid moieties, phosphonic acid ester moieties or both.

REFERENCES:
patent: 2911389 (1959-11-01), Pernert
patent: 3036044 (1962-05-01), Browne et al.
patent: 3511857 (1970-05-01), Baranauckas et al.
patent: 4098741 (1978-07-01), Login
patent: 4210685 (1980-07-01), Login et al.

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