Easy to disperse polycarboxylic acid thickeners

Details Easy to disperse polycarboxylic acid thickeners Easy to disperse polycarboxylic acid thickeners

1992-08-26

1994-02-22

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525379, 524801, 528 76, 526193, 526209, C08F 226, C08F 208

Patent

active

052888142

ABSTRACT:
An interpolymer of at least one olefinically unsaturated carboxylic acid containing at least one activated carbon-to-carbon olefinic double bond and at least one carboxyl group, in an amount of more than 15% by weight based upon the weight of the interpolymer, and at least one steric stabilizer surfactant having at least one hydrophilic moiety and at least one hydrophobic moiety and a linear block or a random comb configuration, or mixtures thereof, made by polymerizing olefinically unsaturated carboxylic acid monomers in an organic media, in the presence of free a radical forming catalyst, and the steric stabilizer.

REFERENCES:
patent: 4180619 (1979-12-01), Makhlouf et al.
patent: 4203877 (1980-05-01), Baker
patent: 4375533 (1983-03-01), Park
patent: 4419502 (1983-12-01), Sehm
patent: 4420596 (1983-12-01), Lochhead
patent: 4526937 (1985-07-01), Hsu
patent: 4692502 (1987-09-01), Uebele
patent: 4885350 (1992-12-01), Yamashita
patent: 4911736 (1990-03-01), Huang

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