1·Polycarboxylic acid type; High performance; Synthesisze; Action Mechanism; Applied Properties.
聚羧酸系； 高性能； 合成； 作用机理； 应用性能；
2·Polycarboxylic acid is a new kind of high performance water-reducing agents. It has many useful properties.
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。
3·Polycarboxylic acid is a new kind of high performance water-reducing agents which have many useful properties.
聚羧酸系高性能减水剂是减水剂的新品种，具有很多良好的使用性能。
4·A saturated hydroxy polyester resin has been prepared with polycarboxylic acid and polyol at the presence of catalyst and chain transfer agent by the direct melt esterification process.
在催化剂、链支化剂存在下多元酸和多元醇直接熔融酯化、常压缩聚合成饱和羟基聚酯。
5·The influence of monomer mass ratio, reaction temperature, reaction time, emulsifying agent content and mixing speed on polycarboxylic acid type waterproofing agent were studied in this article.
本文研究了单体质量比、皂化反应温度、皂化反应时间、乳化剂掺量、搅拌速度等工艺参数对多元羧酸系防水剂性能的影响。
6·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.
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。