Khảo sát sự tạo mixel của một số Copolyme Pluronic

Translated title of the contribution: The micellization of Pluronics

Nguyễn Quốc Hùng, Søren Hvidt, Walther Batsberg, Hoàng Ngọc Cường

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The micellization of several Pluronics (PEO-PPO-PEO triblock copolymers) wasinvestigated by Differential Scanning Calorimetry (DSC). These copolymers were also characterized and purified by liquid chromatography. The PEO/PPO compositions of Pluronics were determined by 1H-NMR. The thermograms from DSC showed a pre-micellization shoulder for L81 and L121 solutions. The effects of temperature, PO/EO ratios and impurities on the micellization of copolymers were investigated. The origin of the shoulders in DSC thermograms was shown to be due to the most hydrophobic components in the copolymers, which could be removed by hexane extraction. Low molecular weight fractions of the copolymers were separated by interaction chromatography. The low molecular weight fractions did not contribute to the micellization of the copolymers.
Translated title of the contributionThe micellization of Pluronics
Original languageVietnamese
JournalJournal of Science & Technology Development
Volume12
Issue number3
Pages (from-to)85-94
Number of pages10
ISSN1859-0128
Publication statusPublished - 2009

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