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KMID : 0604520100360010017
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Journal of the Society of Cosmetic Scientists of Korea
2010 Volume.36 No. 1 p.17 ~ p.32
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Synthesis of Polymers in Supercritical Carbon Dioxide
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Lee Hyun-Suk
Kim Jin-Woong
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Abstract
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This review shows the design and the development of new -soluble hydrocarbon copolymers which can be used as effective stabilizers for successful dispersion polymerizations of bio-compatible materials in supercritical carbon dioxide (). The basic concepts of supercritical fluid including its solvent properties and applications in polymer synthesis are described. We report the facile synthesis of highly soluble hydrocarbon based copolymers, prepared with good control via controlled free radical polymerization from readily accessible and commercially available monomers. The phase behaviour of these materials was monitored in pure to investigate how the molecular weights and the composition of the copolymers affect their solubility in . Their activity as a stabilizer was then tested in dispersion polymerization of N-vinyl pyrrolidone in at various reaction conditions to identify the key parameters required for a successful dispersion stabilization of growing PVP particles. Some prospective potentials of this research which can be applied in developing new polymer materials in an environmentally-friendly fashion for use in cosmetics are also discussed.
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KEYWORD
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supercritical, polymer, surfactant, hydrocarbon, RAFT
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