THE INTERACTION BETWEEN DODECYL POLYOXYETH YLENE POLYOXYPROPYLENE ETHER NON1ONIC SURFACTANT AND POLYV1NYLPYRROLIDONE IN AQUEOUS SOLUTIONS

Jianhai Mu Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, China

Ganzuo Li∗ Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, China

Zhengwu Wang Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, China

Liqiang Zheng Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan, 250100, China

Abstract

The changes of cloud points and surface tensions of a nonionic surfactant dodecyl polyoxycthylene(5) polyoxypropylene(4) ether (LS54) in aqueous solutions with added polyvinylpyrrolide (PVP-K90) were determined in order to evaluate polymer-surfactant interactions in the bulk solutions. A new model, corona-shaped intra-chain micelles, was applied lo these phenomena and the thermodynamic parameters of micellization were determined.

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THE INTERACTION BETWEEN DODECYL POLYOXYETH YLENE POLYOXYPROPYLENE ETHER NON1ONIC SURFACTANT AND POLYV1NYLPYRROLIDONE IN AQUEOUS SOLUTIONS

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THE INTERACTION BETWEEN DODECYL POLYOXYETH YLENE POLYOXYPROPYLENE ETHER NON1ONIC SURFACTANT AND POLYV1NYLPYRROLIDONE IN AQUEOUS SOLUTIONS

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