한국섬유공학회지 (Textile Science and Engineering)

  • 제45권6호
  • /
  • Pages.346-352
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  • 2008
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

코발트를 매개로 한 폴리비닐피발레이트 및 이의 블록 공중합체의 합성

Synthesis of Poly(vinyl pivalate) and Its Block Copolymers by Cobalt-Mediated Radical Polymerization

  • 전현정 (인하대학교 나노시스템학부) ;
  • 박미선 (인하대학교 나노시스템학부) ;
  • 박동민 (인하대학교 나노시스템학부) ;
  • 유영창 (인하대학교 나노시스템학부) ;
  • 육지호 (인하대학교 나노시스템학부)
  • Jeon, Hyun-Jeong (Department of Advanced Fiber Engineering, Division of Nano-Systems, Inha University) ;
  • Park, Mi-Seon (Department of Advanced Fiber Engineering, Division of Nano-Systems, Inha University) ;
  • Park, Dong-Min (Department of Advanced Fiber Engineering, Division of Nano-Systems, Inha University) ;
  • You, Young-Chang (Department of Advanced Fiber Engineering, Division of Nano-Systems, Inha University) ;
  • Youk, Ji-Ho (Department of Advanced Fiber Engineering, Division of Nano-Systems, Inha University)
  • 발행 : 2008.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Controlled radical polymerization of vinyl pivalate (VPi) was achieved by cobalt-mediated radical polymerization (CMRP) using cobalt(II) acetylacetonate (Co$(acac)_2$) and 2,2'-azo-bis(4-methoxy-2,4-dimethylvaleronitrile) (V-70). Poly(vinyl pivalate) (PVPi) chains having controlled molecular weights and low polydispersities ($M_w/M_n$=1.05-1.29) were successfully synthesized. PVPi macroinitiator ($M_n$=11,100 g/mol, $M_w/M_n$=1.13), which was end-capped by Co$(acac)_2$ was used to successive CMRP of well-defined PVPi-b-poly(vinyl acetate) (PVPi-b-PVAc) and PVPi-b-poly(acrylonitrile) (PVPi-b-PAN) block copolymers at 30 DC. The polymerization of PVPi-b-PV Ac was performed via a degenerative chain transfer (DT) mechanism using an excess of V-70. PVPi-b-PAN was synthesized via a reversible termination (RT) mechanism in DMF.

키워드

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