| 1. | The synthesis technology of polycarboxylic acid superplasticizer
聚羧酸系高性能减水剂的合成技术 |
| 2. | Synthesis of water - reducing agent of polycarboxylic acid concrete
梳型聚羧酸盐高效减水剂的合成及性能 |
| 3. | Study on the synthesis and application of polycarboxylic acid cws additive
聚羧酸系水煤浆添加剂的合成研究 |
| 4. | Polycarboxylic acid type waterproofing agent is organic hydrophobic property
多元羧酸系防水剂是有机质憎水性防水剂。 |
| 5. | Study on the polymerization technology and kinetics of the polycarboxylic type water - reducer
聚羧酸系减水剂的聚合反应工艺及动力学探讨 |
| 6. | The mortar osmotic pressure ratio is highly 500 % and its water reducing ratio is only 9 % . concrete mixing with polycarboxylic acid type waterproofing agent holds excellent
试验结果表明,多元羧酸系防水剂具有高的抗渗性,砂浆渗透压力比高达500 % ,其减水率为9 % 。 |
| 7. | 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。 |
| 8. | New developments of polycarboxylic acid derivative catalysts , ion exchange resin catalysts , macrocyclic chelating compound catalysts , quaternary phosphonium salt catalysts , heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration , and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
阐述了用于环氧乙烷催化水合反应中的多羧酸衍生物催化体系、离子交换树脂催化体系、大环螯合物催化体系、季?盐催化体系、多相水滑石型催化体系及其他催化体系近年来的研究进展；同时阐述了用于碳酸亚乙酯法合成乙二醇反应中的催化体系的新进展。 |
| 9. | The homogeneous characteristics of polycarboxylic acid type waterproofing agent are measured according to gb / t 8077 ? 2000 concrete admixture homogeneous experimental method , the technical characteristics of polycarboxylic acid type waterproofing agent are checked depending on jc474 ? 1999 mortar and concrete waterproofing agent . the result shows that polycarboxylic acid type waterproofing agent is provided with good anti - permeability
对试制样品按gb / t8077 ? 2000 《混凝土外加剂匀质性试验方法》标准检测多元羧酸系防水剂的匀质性,按jc474 ? 1999 《砂浆、混凝土防水剂》标准检测多元羧酸系防水剂的技术性能。 |
| 10. | This paper designs molecular structure of organic water - repellent admixture . we choose carboxylic acid that possesses amphiphilic molecular structure and sodium carbonate and potassium hydroxide as important raw materials . they carry through soaps turns reaction to synthesize polycarboxylic acid type waterproofing agent
本文通过对有机质防水剂分子结构设计,选择具有两亲结构的羧酸(酸a 、酸b ) 、无水碳酸钠、氢氧化钾为主要原材料,通过皂化反应,合成多元羧酸系防水剂。 |
