Acrylamide copolymer thickener for aqueous systems

Details Acrylamide copolymer thickener for aqueous systems Acrylamide copolymer thickener for aqueous systems

C - Chemistry, Metallurgy

08

F

402/403, 402/404

C08F 220/54 (2006.01) C08F 220/56 (2006.01) C09D 7/00 (2006.01) C09D 11/02 (2006.01)

Patent

CA 1211898

i PATENT APPLICATION OF William D. Emmons and Travis E. Stevens For: ACRYLAMIDE COPOLYMER THICKENER FOR AQUEOUS SYSTEMS DOCKET NO. 79-47 ABSTRACT Nonionic and anionic water-soluble addition copolymers of acrylamide and N-substituted acrylamides are useful as flow modifiers in and as adsorbates from aqueous systems, particularly multiphase systems. The copolymers have a weight average molecular weight greater than 30,000 and are useful for many purposes including as thickening agents or rheology modifiers for water based systems, block improvement additives in water based coating formulations, and transfer aids in water based ink or roll coater formulations.

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