1) polycarboxylate superplasticizer
聚羧酸减水剂
1.
Plastic shrinkage and crack resistance of high-strength concrete mixed with polycarboxylate superplasticizer
掺聚羧酸减水剂的高强混凝土塑性收缩与抗裂性能研究
2.
Study on effect rule of side-chain structure of polycarboxylate superplasticizer upon cement hydration
聚羧酸减水剂侧链结构对水泥水化影响规律研究
3.
The hydrated cement samples with polycarboxylate superplasticizer have been measured by SEM,IR,XRD,pH and conductivity.
采用SEM、IR、XRD、pH值和电导率等分析手段研究了聚羧酸减水剂对水泥水化初期的影响,结果表明,聚羧酸减水剂具有减缓水泥的初期水化作用,水泥水化产物的聚合度随水化时间增加而增大,但晶型不改变。
2) polycarboxylic acid water reducer
聚羧酸减水剂
1.
The new step of polycarboxylic acid water reducer could restrain the dirt in the concrete;
聚羧酸减水剂抑制混凝土中泥含量的新措施
2.
Different water reducers are applied into the ceramic material and the impact on dispersion, fluidity and suspension of clay mud mixed with comb-shaped and linear polycarboxylic acid water reducers and traditional STPP is researched.
在陶瓷原料中应用不同类型的减水剂,研究了梳形和线形聚羧酸减水剂及传统减水剂三聚磷酸钠对粘土浆料的分散性、流动性及悬浮性的影响效果,并分析了其不同的作用机理。
3) polycarboxyl water-reducing
聚羧酸减水剂
1.
The polycarboxyl water-reducing was synthesized by way of orthogonal testing.
采用正交实验的方法,合成了聚羧酸减水剂,讨论了合成工艺条件对产品性能的影响,并对其混凝土性能进行了表征,分析了合成产品在溪洛渡水电工程中的试验结果。
4) polycarboxylic superplasticizer
聚羧酸减水剂
1.
Acrylate monomer with polyoxyethylene group chain and a series of polycarboxylic superplasticizer were synthesized and their water-reducing effects were investigated.
介绍了聚氧乙烯基烯丙酯大单体和聚羧酸减水剂的合成,并对合成的聚羧酸减水剂进行了性能考察。
2.
A series of different side-chain structured retarding polycarboxylic superplasticizers(KH)were synthesized.
本文通过合成一系列不同侧链结构的缓凝型聚羧酸减水剂(KH),并测试了掺KH水泥浆体的凝结时间、化学收缩值、电阻率、水化热,研究了KH侧链结构对水泥水化缓凝作用的影响规律。
5) polycarboxylate superplasticizer
聚羧酸系减水剂
1.
Synthesis and application properties of polycarboxylate superplasticizers
聚羧酸系减水剂的合成及应用性能
2.
In this paper,allylic polycarboxylate superplasticizer was directly polymerized using acrylic polyoxyethylene glycols(APEG),maleic anhydride and methyl acrylate as monomers and ammonium persulfate as initiator.
本文设计采用一步聚合法,将烯丙基聚乙二醇(APEG)、马来酸酐和丙烯酸甲酯通过引发剂的作用,合成一种聚羧酸系减水剂。
3.
Study was carried out on effects of inhibitor type and amount, molar ratio of AA to MPEG, solvent amount, esterification temperature and reaction time on esterification ratio and performance of polycarboxylate superplasticizer.
聚羧酸系减水剂具有高减水率、低坍落度损失、对环境友好等优点,是配制高性能混凝土和重要基础设施工程的理想外加剂,发展潜力巨大。
6) polycarboxyliy water-reducer
聚羧酸型减水剂
1.
Discussion on Synthsis technology of polycarboxyliy water-reducer;
聚羧酸型减水剂的合成工艺探讨
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