A new technique for the study of the kinetics of adsorption of polymers onto surfaces

A new and simpler technique is described for the study of the kinetics of adsorption of poly(methylmethacrylale) (PPMA) on a glass surface at 30°C. The kinetics of adsorption were followed gravimetrically by knowing the amount of polymer adsorbed on glass balls at various time intervals. A simple ki...

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Bibliographic Details
Published in:Polymer international 1993, Vol.32 (1), p.43-51
Main Authors: Bajpai, U. D. N., Bajpai, A. K.
Format: Article
Language:English
Subjects:
adsorption
Applied sciences
Exact sciences and technology
kinetics
kinetics, adsorption
Organic polymers
Physicochemistry of polymers
polymethylmethacrylate
Properties and characterization
Surface properties
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Summary:A new and simpler technique is described for the study of the kinetics of adsorption of poly(methylmethacrylale) (PPMA) on a glass surface at 30°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.
ISSN:0959-8103
1097-0126
DOI:10.1002/pi.4990320109