A NEW TECHNIQUE FOR THE STUDY OF THE KINETICS OF ADSORPTION OF POLYMERS ONTO SURFACES

被引：29

作者：

BAJPAI, UDN

BAJPAI, AK

机构：

[1] Polymer Research Laboratory, Department of Post Graduate Studies and Research in Chemistry, Rani Durgavati University. Jabalpur (M.P.)

来源：

POLYMER INTERNATIONAL | 1993年 / 32卷 / 01期

关键词：

KINETICS; ADSORPTION; POLYMETHYLMETHACRYLATE;

D O I：

10.1002/pi.4990320109

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new and simpler technique is described for the study of the kinetics of adsorption of poly(methylmethacrylate) (PPMA) on a glass surface at 30-degrees-C. The kinetics of adsorption were followed gravimetrically by knowing the amount of polymer adsorbed on glass balls at various time intervals. A simple kinetic model for rate of adsorption has been proposed, and from the scheme outlined various adsorption parameters such as adsorption coefficient, surface coverage and film thickness have been evaluated. From the available experimental data, adsorption isotherms have been drawn, and the effect of molecular weight of PMMA on adsorption behaviour has been studied.

引用

页码：43 / 51

页数：9

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