Admixture for hydraulic cement

Details Admixture for hydraulic cement Admixture for hydraulic cement

1994-11-18

1996-02-06

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524424, C08K 322

Patent

active

054896266

ABSTRACT:
A hydraulic cement composition comprising as an effective component a water-soluble amphoteric polymer obtained by Hofmann degradation reaction of an .alpha.,.beta.-unsaturated carbonamide polymer or a copolymer of .alpha.,.beta.-unsaturated carbonamide and an anionic monomer having a weight average molecular weight of 1,000-1,000,000.
The primary amino group produced as a result of the Hofmann degradation reaction provides excellent cement dispersing capabilities.

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patent: 5292821 (1994-03-01), Takaki et al.

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