Cement dispersants

Details Cement dispersants Cement dispersants

1998-12-09

2000-10-31

Pezzuto, Helen L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526318, 526320, 5263285, 526332, C08F 2010

Patent

active

061404403

ABSTRACT:
Cement dispersants which contain two specified kinds of water-soluble vinyl copolymers mixed at a specified ratio can produce cement compositions such as concrete with water/cement ratio of 20-40 weight % with a reduced slump loss and provide a high early strength.

REFERENCES:
patent: 4962173 (1990-10-01), Kinoshita et al.
patent: 5087648 (1992-02-01), Kinoshita et al.
patent: 5290869 (1994-03-01), Kinoshita et al.
patent: 5362829 (1994-11-01), Kinoshita et al.

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