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A low slump loss type polycarboxylate superplasticizer synthesis and research on application performance
Author(s): 
Pages: 30-32,36
Year: Issue:  11
Journal: Ready-mixed Concrete

Keyword:  聚醚 聚羧酸 减水剂 保坍;
Abstract: 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。
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