论文部分内容阅读
采用聚醚、马来酸酐(MAD)、丙烯酸甲酯(MA)、甲基丙烯磺酸钠(MAS)为活性单体,以过硫酸铵((NH4)2S2O8)为引发剂,通过在水溶液中的自由基聚合反应合成一种保坍型聚羧酸盐系减水剂。并对其进行了水泥净浆流动度和混凝土性能测试,结果表明合成的聚羧酸盐系减水剂具有良好的相容性、减水性和保坍性。
Using polyether, maleic anhydride (MAD), methyl acrylate (MA) and sodium methacylate sulfonate (MAS) as active monomers and ammonium persulfate ((NH4) 2S2O8) as initiator, Free radical polymerization synthesis of a slump type polycarboxylate superplasticizer. The cement paste fluidity and concrete performance were tested. The results show that the synthesized polycarboxylate superplasticizer has good compatibility, water-reducing property and slump retention.