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Citation: Cao Ya, Li Hui-Lin. Studies on Adsorption Conformation of Polymeric Suifactants at Solid /Liquid Interface[J]. Acta Physico-Chimica Sinica, ;1999, 15(10): 895-899. doi: 10.3866/PKU.WHXB19991007 shu

Studies on Adsorption Conformation of Polymeric Suifactants at Solid /Liquid Interface

Cao Ya ,
Li Hui-Lin

1.
Polymer Research Institute of Chengdu University of Science Technology,The State Key Laboratory of Polymer Materials Engineering,Chengdu 610065

Received Date: 7 December 1998
Available Online: 15 October 1999

A novel series of polymeric surfactants were prepared by ultrasonic copolymerization of carboxy methyl cellulose (CMC) and alkyl poly(etheroxy) acrylate. The adsorption conformation of polymeric surfactants based on CMC at silica gel/water interface was studied by the adsorption isotherms, UV and XPS. The results show that the adsorptive amount es up steadily with the increasing of copolymer concentration, and the hydrophilic chains, CMC and poly(etheroxy) segments, adsorb to the surface of silica gel. After the critic micellar concentration of polymeric surfactants, the hemi-micelles are formed through the hydrophobic interaction between molecules adsorbed on the solid surface and those in solution.
- Polymer surfactant,
- Carboxy methyl cellulose,
- Adsorption conformation,
- Solid/liquid interface
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