Paper-sizing agents

Details Paper-sizing agents Paper-sizing agents

1974-12-05

1979-05-01

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296N, 260 296E, 526272, 526318, C08L 3302

Patent

active

041523121

ABSTRACT:
Anionic sizes for paper or a paper-like material. Substantially equimolecular copolymers of maleic acid anhydride and diisobutylene are esterified to form the corresponding semi-esters. From 10 to 100 mol-% of the anhydride groups are reacted with an aliphatic or cycloaliphatic alcohol. At least 50 mol-% of the formed carboxylic groups are neutralized with alkali, ammonia or aliphatic amines.

REFERENCES:
patent: 2378629 (1945-06-01), Hanford
patent: 2725367 (1955-11-01), Niederhauser
patent: 2930775 (1960-03-01), Fordyce
patent: 3322713 (1967-05-01), Williams
patent: 3598778 (1971-08-01), Burdick
patent: 3706704 (1972-12-01), Heilman

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