Water-soluble polycondensates based on fatty acids, dialkanolami

Details Water-soluble polycondensates based on fatty acids, dialkanolami Water-soluble polycondensates based on fatty acids, dialkanolami

1988-12-20

1989-11-14

Kight, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528274, 528289, 5282955, 528310, 528317, 528332, 5283395, 106 85, 106100, 252 9, 252 50, C08G 6302

Patent

active

048808989

ABSTRACT:
Water-soluble polycondensates of dialkanolamides, fatty acid diethylaminopolyglycolates and fatty acid diethyl ammonium alkyl polyglycolates, which are first reacted with maleic anhydride in a molar ratio of 1:0.5 to 1:2, followed by reaction of substantially all the olefinic double bonds in the .alpha.-position to carboxyl groups with sulfites, are excellent plasticizers for hydraulic compositions.

REFERENCES:
patent: 4664826 (1987-05-01), Gutierrez et al.
patent: 4792410 (1988-12-01), Schwind et al.

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