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    • 2. 发明专利
    • CEMENT DISPERSANT
    • JP2002293587A
    • 2002-10-09
    • JP2001098406
    • 2001-03-30
    • MITO DAIZOITO KAZUAKI
    • MITO DAIZO
    • C04B16/06C04B16/10C04B24/26
    • PROBLEM TO BE SOLVED: To provide a cement dispersant which is useable as a chemical admix ture for concrete or mortar, is a water reducing agent with high performance and capable of improving workability. SOLUTION: The cement dispersant, the main ingredient of which is polyester fibers covered with acrylic sizing agent, which is prepared by mixing two liquids of a lubricating preparation and acrylic synthetic paste, and adding natural active liquid obtained from vegetables therein, the solution for a sizing agent is obtained. A tow of polyester fiber is passed through the solution and imparts an electrostatic property. After that the polyester fibers is crushed, beaten, chopped up, into a very short fiber. One of characteristics of the dispersant is ionized in a short time and exhibits negative ion activity, if it is put into slurry of the concrete or mortar, and mixed before solidification.