Cement additive, its production process and use

Details Cement additive, its production process and use Cement additive, its production process and use

1997-12-17

1999-06-15

Szekely, Peter A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 300

Patent

active

059122846

ABSTRACT:
The present invention provides a cement additive its production process and cement composition achieving excellent slump loss prevention capability. As a cement additive, there can be a copolymer (A-1) comprising an unsaturated polyalkylene glycol ether-based monomer (I), maleic acid-based monomer (II) and other monomer (III) copolymerizable with these monomers, the monomer (I)/monomer (II)/monomer (III) weight ratio being 50-99/50-1/0-49 and the weight average molecular weight of the copolymer (A) being 10,000 to 100,000 in terms of polyethylene glycol measured by gel permeation chromatography, or a copolymer (A) with an antifoaming agent (B), wherein the copolymer (A) comprises polyalkylene glycol ether-based units and dicarboxylic acid-based units as repeating units.

REFERENCES:
patent: 3544344 (1970-12-01), Pratt et al.
patent: 3563930 (1971-02-01), Stram et al.
patent: 4471100 (1984-09-01), Tsubakimoto et al.
patent: 4946904 (1990-08-01), Akimoto et al.
patent: 5162402 (1992-11-01), Ogawa et al.
patent: 5362323 (1994-11-01), Koyata et al.
patent: 5432212 (1995-07-01), Honda et al.
patent: 5476885 (1995-12-01), Tahara et al.
patent: 5660628 (1997-08-01), Ohta et al.
patent: 5661206 (1997-08-01), Tanaka et al.

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