Influence of Hydrophobicity of Substrates on the Adsorption of Nonionic Block Copolymers

SONG Junlong

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Influence of Hydrophobicity of Substrates on the Adsorption of Nonionic Block Copolymers

SONG Junlong * #

Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing, 210037

*Correspondence author

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Funding: Specialized Research Fund for the Doctoral Program of Higher Education of China （No.20103204120005）, Scientific　Research　Foundation　for　the　Returned　Overseas　Chinese　Scholars （No.lot 43）, the Priority Academic Program Development of Jiangsu Higher Education Institutions （No.NJFU）, National Natural Science Foundation of China （No.31270613）

Opened online:26 December 2013

Accepted by: none

Citation: SONG Junlong.Influence of Hydrophobicity of Substrates on the Adsorption of Nonionic Block Copolymers[OL]. [26 December 2013] http://en.paper.edu.cn/en_releasepaper/content/4575038

In this investigation the adsorption of nonionic polymers on model surfaces (cellulose, polypropylene, nylon and polyester) were studied using Quartz Crystal Microbalance (QCM) technique. The underlying driving force for the adsorption of nonionic lubricants onto these surfaces was discussed and our experimental observations also confirmed expected behaviors: A greater affinity of the more hydrophobic polymer species with the hydrophobic surfaces and vice versa. Hydrophobic interactions are concluded as being a predominant factor in adsorption of nonionic polymer [polyalkylene glycols (PAGs) and co-polymer of ethylene oxide and propylene oxide (Pluronic)] on textile-relevant surfaces.

Keywords:Adsorption, Nonionic Polymers, Cellulose, Polypropylene, Nylon, PET, Hydrophobic forces

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