含长聚醚侧链基团共聚羧酸高效减水剂的制备及其性能  

Synthesis of copolycarboxylate superplasticizer with long side-chain polyether and its property

作　　者：付东康[1] 吴绍祖 何霄嘉[1] 倪晋仁[1] 

机构地区：[1]北京大学环境工程系,北京100871 [2]北京盖雅技术中心有限公司,北京100871

出　　处：《混凝土》2007年第11期39-42,共4页Concrete

摘　　要：根据分子设计的原则,研制出一类带有长侧链聚醚基团、羧酸基团、磺酸基团、羧酸酯基团的共聚羧酸高效减水剂(CoPoCa-100)。这类高效减水剂的减水率可达到28%左右,混凝土28 d强度增加53%。Based on principles of molecular design, copolycarboxylate superplasticizer （CoPoCa-100） was synthesized with long side-chain polyether group, carboxylic group, sulfonic group and carboxylic ester group.By this type of superplasticizer, the water reducing ratio can come up to around 28% and the 28 d strength of the concrete can be increased by 53%.

关 键 词：共聚羧酸 高效减水剂 减水率 坍落度 

分 类 号：TU528.042.2[建筑科学—建筑技术科学]