US 2015/0065615 A1

Copolymer for dispersant for cement, dispersant for cement, and cement composition

(22) 28.03.2013

(57) An object of the present invention is to provide a novel copolymer capable of exerting excellent dispersibility to various kinds of cement including cement having low fluidity (difficult cement), and a dispersant for cement and cement composition including the copolymer.

The copolymer of the present invention is a copolymer obtainable by polymerizing monomer components including an unsaturated (poly)alkylene glycol ether monomer (a), an unsaturated carboxylic acid monomer (b), and an unsaturated cross-linkable monomer (c) or an unsaturated polymerizable monomer (d).

(71) Technische Universität München, Munich (DE); Nippon Shokubai Co., Ltd., Osaka-shi, Osaka (JP)

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