대한화장품학회지 (Journal of the Society of Cosmetic Scientists of Korea)

  • 제36권1호
  • /
  • Pages.17-32
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  • 2010
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  • 1226-2587(pISSN)
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  • 2288-9507(eISSN)
대한화장품학회 (Society of Cosmetic Scientists of Korea)
권호 표지

초임계 유체를 이용한 고분자 합성 연구

Synthesis of Polymers in Supercritical Carbon Dioxide

  • 이현석 ((주)아모레퍼시픽 기술연구원 피부과학연구소) ;
  • 김진웅 ((주)아모레퍼시픽 기술연구원 피부과학연구소)
  • 투고 : 2010.03.13
  • 심사 : 2010.03.22
  • 발행 : 2010.03.30
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⟨ 이전 논문 다음 논문 ⟩

초록

본 총설에서는 이산화탄소에 용해력이 있는 새로운 탄화수소 공중합체의 설계와 개발, 그리고 생체친화성 고분자의 초임계 중합을 위한 효과적인 계면활성제로써의 성능에 대해 소개하고, 초입계 유체의 기본적 개념을 용매로서의 성질과 고분자 합성분야에서의 응용적인 측면에서 기술한다. 이산화탄소에 높은 용해력을 지닌 탄화수소 고분자 중합을 위해 새로운 리빙라디칼 중합기술을 사용하였고, 이 물질들의 이산화탄소 내에서의 상거동을 측정하여 공중합체의 분자량과 구조가 용해도에 미치는 영향을 조사하였다. 초임계 분산중합에서의 효과적인 계면활성력을 확인하였고, 성장하는 입자의 안정화에 필요한 키 파라미터를 결정하기 위해 다양한 조건에서 실험을 수행하였으며, 화장품 분야에 응용될 수 있는 새로운 구조의 친환경 고분자 소재 개발에 이 연구가 작용될 수 있다는 잠재적인 가능성을 확인하였다.

This review shows the design and the development of new $CO_2$-soluble hydrocarbon copolymers which can be used as effective stabilizers for successful dispersion polymerizations of bio-compatible materials in supercritical carbon dioxide ($scCO_2$). 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 $CO_2$ to investigate how the molecular weights and the composition of the copolymers affect their solubility in $CO_2$. Their activity as a stabilizer was then tested in dispersion polymerization of N-vinyl pyrrolidone in $CO_2$ 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.

키워드

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