1) Polycarboxylate superplasticizer
聚羧酸高效减水剂
1.
Research on the compound of polycarboxylate superplasticizer and retarder
聚羧酸高效减水剂与缓凝剂的复配研究
2.
The main effect of polycarboxylate superplasticizer in preparation of as-cast finish concrete project was presented.
探讨了清水混凝土配合比设计及施工工艺过程,并介绍了清水混凝土在首都机场楼前交通工程中的应用情况,提出了聚羧酸高效减水剂在清水混凝土配制中所起的主要作用。
3.
Polycarboxylate superplasticizer(PCs) was the researching hotspot in the field of chemical admixture of building materials in recent years.
聚羧酸高效减水剂(PCs)是近年来建筑材料化学外加剂领域的研究热点。
2) polycarboxylic type high performance water reducer
聚羧酸型高效减水剂
1.
Experimental study of a kind of polycarboxylic type high performance water reducer;
一种聚羧酸型高效减水剂的试验研究
4) polycarboxylic superplasticizer
聚羧酸系高效减水剂
1.
Preparation and properties of a novel polycarboxylic superplasticizer;
新型聚羧酸系高效减水剂的合成及性能研究
2.
A polycarboxylic superplasticizer(SP) was synthesized with macromonomers of methoxy polyethylene oxide methacrylate(MPEOMA),acrylic acid(AA),α-methylacrylic acid(MAA) and sodium allylsulfonate(SAS).
以甲氧基聚氧乙烯甲基丙烯酸酯(MPEOMA)、丙烯酸(AA)、甲基丙烯酸(MAA)、烯丙基磺酸钠(SAS)为单体设计合成了一种聚羧酸系高效减水剂SP,通过傅立叶变换红外光谱表征了减水剂的分子结构。
3.
A polycarboxylic superplasticizer(PC-C) grafted with MPEG side chains was designed according to principle of molecular structure and synthesized in water as solvent.
根据分子结构设计原理,设计并以水为溶剂合成了一种以甲氧基聚乙二醇(MPEG)为接枝侧链的聚羧酸系高效减水剂(PC-C)。
5) PCE superplasticizer
聚羧酸类高效减水剂
1.
The application of PCE superplasticizer SP-8CN in construction of East China Sea Bridge;
聚羧酸类高效减水剂SP-8CN在东海大桥工程中的应用
6) polycarboxylic type superplasticizer
聚羧酸系高效减水剂
1.
The research and applications of polycarboxylic type superplasticizer are constantly expanding,but as a new superplasticizer,Its composition effects with other chemical admixture were known few that affects the cost and application of polycarboxylic type superplasticizer.
聚羧酸系高效减水剂在我国的研究、应用正在不断扩大,但作为一种新型高性能减水剂,它与其他外加剂的复合效应尚知之甚少,因而影响其成本及推广应用。
2.
The composition effect of polycarboxylic type superplasticizer with some retarders such as sodium hexametaphosphate,sodium tripolyphosphate,lignine sulfoacid calcium,calcium gluconate were studied on concrete lasting propert ies.
通过用聚羧酸系高效减水剂与葡萄糖酸钠、三聚磷酸钠、木钙、糖钙四种缓凝剂复合,研究其复合后对硬化混凝土耐久性能的影响,研究结果表明:与单独使用聚羧酸系相比,复合适当缓凝剂能显著降低混凝土的56 d氯离子扩散系数,其抗渗性能明显提高。
3.
The composition effect of polycarboxylic type superplasticizer with some retarders such as sodium hexametaphosphate,sodium tripolyphosphate,lignine sulfoacid calcium,calcium gluconate were studied on concrete work performance and concrete mechanic performance.
通过用聚羧酸系高效减水剂与葡萄糖酸钠、三聚磷酸钠、木钙、糖钙4种缓凝剂复合,研究其复合后对混凝土拌合物工作性和硬化混凝土力学性能的影响,研究结果表明:与单独使用聚羧酸系相比,在聚羧酸系用量相同的情况下,缓凝剂的种类及掺量对混凝土的3 d,7 d,28 d抗压强度影响也较大。
补充资料：高效减水剂
分子式：
CAS号：
性质： 一般可分为萘磺酸-甲醛缩合物(简称萘系减水剂)和磺化三聚氰胺甲醛缩合物。它们分别由工业萘、三聚氰胺，经一定的酸、碱性条件下缩聚而成。其性质属表面活性剂类；具有吸附、分散湿润、润滑等作用。使用于混凝土中能大量减少混凝土拌合用水，减水率均在15％以上，故统称高效减水剂。萘系减水剂为褐色粉状固体。三聚氰胺为无色油状液体。均能很好溶于水中，使用最普遍的是萘系减水剂。
CAS号：
性质： 一般可分为萘磺酸-甲醛缩合物(简称萘系减水剂)和磺化三聚氰胺甲醛缩合物。它们分别由工业萘、三聚氰胺，经一定的酸、碱性条件下缩聚而成。其性质属表面活性剂类；具有吸附、分散湿润、润滑等作用。使用于混凝土中能大量减少混凝土拌合用水，减水率均在15％以上，故统称高效减水剂。萘系减水剂为褐色粉状固体。三聚氰胺为无色油状液体。均能很好溶于水中，使用最普遍的是萘系减水剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条