Cement dispersants and method of producing concrete by using...

C - Chemistry – Metallurgy – 04 – B

Patent

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C04B 24/26 (2006.01)

Patent

CA 2263292

A cement dispersant composed of water-soluble vinyl copolymers which include specified kinds of constituent units at specified ratios and of which the weight average molecular weight pullulan converted by GPC method is 15000- 150000 and the ratio of weight average molecular weight to number average molecular weight is 2-7 is used together with cement, aggregates and water to produce concrete with the water-to-cement ratio of 20-45%.

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