Process for producing acid agent from sulfonated phenol and form

Details Process for producing acid agent from sulfonated phenol and form Process for producing acid agent from sulfonated phenol and form

1978-01-05

1980-07-08

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528137, 528146, 528150, 528158, 528164, 525480, 525504, C08G 818

Patent

active

042118565

ABSTRACT:
A process for producing an acid agent which comprises reaction of sulphonated phenol and formaldehyde in an "ideal" displacement reactor at a temperature within the range of from 50.degree. to 120.degree. C. at a constant molar ratio of said components. The reaction may be carried out in the presence of additives such as urea or orthophosphoric acid.
The process according to the present invention has an increased productivity at reduced power and labor inputs as compared to the prior art processes.

REFERENCES:
patent: 1237405 (1917-08-01), Stiasny
patent: 1951564 (1934-03-01), Somerville et al.
patent: 3852374 (1974-12-01), Erdmann et al.

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