Polycarboxylic acid water reducing agent and preparation method thereof

The invention discloses a polycarboxylic acid water reducing agent, the formula of which is as shown in the specification; R1 in the formula is a straight chain with 6 to 18 carbon atoms, and a branched alkyl; a is not less than 0 and not more than 30; b is not less than 0 and not more than 30; x is...

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Bibliographische Detailangaben
Hauptverfasser:	WU HUAPING, ZHI LIFEI, GUO JIANGUO, ZHANG YONG, SUN YONGQIANG, SHI XIUQI, YANG HUIYAN, SUN JINYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention discloses a polycarboxylic acid water reducing agent, the formula of which is as shown in the specification; R1 in the formula is a straight chain with 6 to 18 carbon atoms, and a branched alkyl; a is not less than 0 and not more than 30; b is not less than 0 and not more than 30; x is not less than 0 and not more than 30; y is not less than 0 and not more than 30, wherein a and b cannot be zero at the same time; x and y cannot be zero at the same time. The invention has the advantages of simple preparation process, mild reaction condition, controllable technological process, stable product performance and good water reducing effect.