Hydraulic composition

Details Hydraulic composition Hydraulic composition

1995-06-16

1997-10-07

Marcantoni, Paul

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106725, 106727, 106728, 106823, C04B 2400

Patent

active

056743165

ABSTRACT:
The present invention is directed to a hydraulic composition comprising (a) a water soluble polymer, (b) a superplasticizer which is a copolymer obtained by polymerizing a monomer (C-1) represented by the following Formula (1) with at least one monomer (C-2) selected from the compounds represented by the following Formulas (2) and (3): ##STR1## (wherein R.sub.1 and R.sub.2 each represent hydrogen or methyl; ml represents an integer of 0 to 32; AO represents an oxyalkylene group having a carbon number of 2 to 3; n represents an integer of 2 to 300; and X represents hydrogen or an alkyl group having a carbon number of 1 to 3); ##STR2## (wherein R.sub.3 to R.sub.5 each represent hydrogen, methyl or (CH.sub.2).sub.m2 COOM.sub.2 ; R.sub.6 represents hydrogen or methyl; M.sub.1, M.sub.2 and Y each represent hydrogen, alkali metal, alkaline earth metal, ammonium, alkylammonium, or substituted alkylammonium; and M.sub.2 represents an integer of 0 to 2); and (c) a hydraulic powder.

REFERENCES:
patent: 4116706 (1978-09-01), Previte
patent: 4209336 (1980-06-01), Previte
patent: 4888059 (1989-12-01), Yamaguchi et al.
Concrete Engineering Annual Report Summary, pp. 699-704 No Date Available.

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