Adsorption of sodium polyacrylate at interface of dicalcium silicate-sodium aluminate solution

被引：9

作者：

Yu Hai-yan ^{[1
]}

Pan Xiao-lin ^{[1
]}

Ding Ting-ting ^{[1
]}

Zhang Wu ^{[1
]}

Liu Han ^{[1
]}

Bi Shi-wen ^{[1
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2011年 / 21卷 / 10期

基金：

中国国家自然科学基金;

关键词：

sodium aluminate solution; sodium polyacrylate; dicalcium silicate; interface; adsorption;

D O I：

10.1016/S1003-6326(11)61015-7

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The adsorption isotherm of sodium polyacrylate on dicalcium silicate (2CaO center dot SiO2) in sodium aluminate solution at 80 degrees C was studied. The type of surface adsorption of sodium polyacrylate is saturated adsorption, and the adsorption behavior belongs to L-type, according with the monolayer adsorption model of Langmuir equation. The surface coverage of sodium polyacrylate is 1.06 mol/mu m(2). The relation curve between the surface pressure and the molecular area of adsorption film was obtained by Gibbs formula. The variation of interfacial energy caused by adsorption as well as the relationship between the relation curve and the type of adsorption was discussed.

引用

页码：2323 / 2326

页数：4

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