Cement admixture

Details Cement admixture Cement admixture

1984-06-26

1986-05-06

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106314, 524 4, 524 5, 524 6, C04B 2404

Patent

active

045869600

ABSTRACT:
This invention provides a cement admixture comprising a copolymer of an olefin having 2 to 8 carbon atoms with an ethylenically unsaturated dicarboxylic acid anhydride and a cement admixture comprising the copolymer and a water-reducing agent.
The cement admixture of this invention can prevent the lowering of the fluidity, or slump loss of a hydraulic cement mix such as concrete, mortar, or paste with the lapse of time and provide improved applicability and workability.

REFERENCES:
patent: 4042407 (1977-08-01), Natsuume
patent: 4125410 (1978-11-01), Natsuume
patent: 4325736 (1982-04-01), Okada et al.

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