Polyalkylene glycol stabilized alkali swellable latex

Details Polyalkylene glycol stabilized alkali swellable latex Polyalkylene glycol stabilized alkali swellable latex

1982-04-05

1984-10-02

Page, Thurman K.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

252407, 427391, C08L 3308, C08L 3320, C08K 509

Patent

active

044749198

ABSTRACT:
The upward drift in viscosity which is characteristic of paper coating compositions prepared from alkali-swellable latices to which alkali has been added can be arrested at any desired level by including in the coating composition 0.1-10 parts by weight, per 100 parts by weight of dry solids in the uncompounded alkali-swellable latex, of a poly- C.sub.2-4 alkylene glycol having an average molecular weight of about 100-5,000. Polyethylene and polypropylene glycols having molecular weights of about 1,200 are shown to produce excellent results with latices of carboxylic copolymers of butadiene and styrene.

REFERENCES:
patent: 3842025 (1974-10-01), Schluter
patent: 3879326 (1975-04-01), Burke, Jr.
patent: 3954886 (1976-05-01), Langdon
patent: 4061833 (1977-08-01), Pelletier et al.
patent: 4111881 (1978-09-01), Paul
patent: 4176108 (1979-11-01), Cami et al.
The Condensed Chemical Dictionary, 9th Edition, Van Nostrand Reinhold Co., pp. 262, 339-340, 811, 830, 831 and 926.
"Physical and Chemical Examination of Paints, Varnishes, Lacquers and Colors", Henry A. Gardner et al., Jan. 1950, p. 306.

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