1) melamine superplasticizer
三聚氰胺系高效减水剂
1.
The action mechanism and property of melamine superplasticizer are introduced,and the brief working property and mechanics performance in preparing high-strength concrete with it are proposed.
本文概要介绍了三聚氰胺系高效减水剂的作用机理、性能特点及配制高强混凝土的主要工作性和力学性能等。
2) melamine water reducer
三聚氰胺系减水剂
1.
The reaction conditions of four stages were systematically studied for their influence on the dispersive property of melamine water reducer.
以甲醛(F)、三聚氰胺(M)、尿素(U)、亚硫酸氢钠(S)为主要原料,合成了三聚氰胺系减水剂。
5) 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)。
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：三聚氰胺苯代三聚氰胺共缩聚树脂
分子式：
CAS号：
性质：是由三聚氰胺、苯代三聚氰胺与甲醛和丁醇共缩聚制成的氨基树脂。由于用苯代三聚氰胺取代部分三聚氰胺，改进了三聚氰胺树脂与醇酸树脂的混溶性，提高涂膜的初始光泽、抗水性和耐碱性，但对三聚氰胺树脂的耐候性有不良影响。
CAS号：
性质：是由三聚氰胺、苯代三聚氰胺与甲醛和丁醇共缩聚制成的氨基树脂。由于用苯代三聚氰胺取代部分三聚氰胺，改进了三聚氰胺树脂与醇酸树脂的混溶性，提高涂膜的初始光泽、抗水性和耐碱性，但对三聚氰胺树脂的耐候性有不良影响。
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