Cement dispersing agent

Details Cement dispersing agent Cement dispersing agent

1987-12-22

1989-12-19

Dixon, Jr., William R.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106 90, 106315, 524 5, C04B 2404

Patent

active

048880590

ABSTRACT:
A cement dispersing agent comprising as an essential component a copolymer obtained by copolymerizing (a) 40 to 90% by weight, calculated as an alpha,beta-ethylenically unsaturated carboxylic acid, of the alpha,beta-ethylenically unsaturated carboxylic acid and/or its salt and (b) 60 to 10% by weight of an acrylic ester and/or a methacrylic ester of an alkyl alcohol having 1 to 4 carbon atoms, or a copolymer obtained by copolymerizing (a) 40 to 89% by weight, calculated as an alpha,beta-ethylenically unsaturated carboxylic acid, of the alpha,beta-ethylenically unsaturated carboxylic acid and/or its salt, (b) 51 to 10% by weight of an acrylic ester and/or a methacrylic ester of an alkyl alcohol having 1 to 4 carbon atoms and (c) 1 to 9% by weight of the other copolymerizable unsaturated monomer.

REFERENCES:
patent: 3850651 (1974-11-01), Duncan et al.
patent: 4473406 (1984-09-01), Bradley et al.

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