本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
采用了工业化的不饱和聚醚多元醇为反应单体，合成了一种高减水率，长缓凝时间的新型聚羧酸系高效减水剂。
A kind of unsaturated polyether was adopted as the reactive monomer, synthesis a new type of polycarboxylate superplasticizer with high dispersibility and long retention characters.
应用高分子设计原理，合成了一种低坍损聚羧酸系高效减水剂。
Based on molecular design theory of polymer, a kind of low slump loss polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损梳形聚羧酸系高效减水剂。
Based on molecular design theory of polymer, a kind of low slump loss comb-like polycarboxylate type superplasticizer was synthesized.
将柠檬酸作为侧基引入到聚羧酸大分子链中，合成了一种新型聚羧酸系高效减水剂。
A new polycarboxylic acid type superplasticizer was synthesized by introducing citric acid to polycarboxylic acid molecule as branch in order to solve concretes slump-loss, bleeding and segregation.
聚羧酸类减水剂是高效减水剂的新品种，具有很多良好的使用性能。
Polycarboxylic acid is a new kind of high performance water-reducing agents. It has many useful properties.
结果表明，该聚羧酸系高效减水剂对不同水泥具有良好分散性和适应性。
It indicated that such water-reducing agent has high dispersing ability and good compatibility with various cements.
最后对全文进行总结，并提出今后研究(本文此处略…)的方向及对二步法合成聚羧酸盐高效减水剂一些瞻望。
Finally, the paper was summarized, and some prospects of future research directions to two-step synthesis of polycarboxylic superplasticizer was proposed.
最后对全文进行总结，并提出今后研究(本文此处略…)的方向及对二步法合成聚羧酸盐高效减水剂一些瞻望。
Finally, the paper was summarized, and some prospects of future research directions to two-step synthesis of polycarboxylic superplasticizer was proposed.
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