Polymer(Korea) (폴리머)

The Polymer Society of Korea (한국고분자학회)
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Preparation and Characteristics of Poly(phenylene ether)s in Various Reaction Conditions

다양한 반응조건에 따른 폴리페닐렌에테르의 중합 특성

  • Park, Jong-Hyun (School of Chemical Engineering, Sungkyunkwan University) ;
  • Kim, Nam-Cheol (School of Chemical Engineering, Sungkyunkwan University) ;
  • Kim, Yong-Tae (Super EP CFG, Cheil Industries INC.) ;
  • Nam, Sung-Woo (School of Chemical Engineering, Sungkyunkwan University) ;
  • Kim, Young-Jun (School of Chemical Engineering, Sungkyunkwan University) ;
  • Kim, Ji-Heung (School of Chemical Engineering, Sungkyunkwan University)
  • 박종현 (성균관대학교 응용화학소재공학 협동과정, 화학공학부) ;
  • 김남철 (성균관대학교 응용화학소재공학 협동과정, 화학공학부) ;
  • 김용태 (제일모직 Super EP CFG) ;
  • 남성우 (성균관대학교 응용화학소재공학 협동과정, 화학공학부) ;
  • 김영준 (성균관대학교 응용화학소재공학 협동과정, 화학공학부) ;
  • 김지흥 (성균관대학교 응용화학소재공학 협동과정, 화학공학부)
  • Received : 2010.12.09
  • Accepted : 2011.01.10
  • Published : 2011.05.25
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Abstract

Poly(2,6-dimethyl-1,4-phenylene ether) (PPE) was synthesized by oxidative polymerization using various Cu(I)-amine catalyst system. The effects of catalyst/monomer ratio, different amine ligand, and the content of 2,4,6-trimethylphenol (TMP) additive on the polymer yield and molecular weight were investigated by using gel permeation chromatography. The catalytic activity of various Cu-amine systems on the 2,S-dimethylphenol (DMP) polymerization was monitored and compared each other through oxygen-uptake experiment. In addition, the effect of catalyst removal using aqueous EDTA on the thermal stability of the prepared polymer was elucidated by thermogravimetric analysis.

Copper(I) chloride와 아빈 계열의 리간드와의 Cu-amine complex 촉매를 사용한 단량체 2,6-dimethlyphenol (DMP)의 산회중합을 통하여 poly (2,6-dimethyl-1,4-phenylene ether) (PPE)를 제조하였다. 중합반응에 있어서 DMP와 촉매의 비율, 다양한 리간드 및 첨가제로서 2,4,6-trimethylphenol(TMP)의 함량 등 여러 반응 변수들의 영향을 분자량측정, 열분석, 및 광학적 특성분석을 통해 조사하였다. DMP의 산화중합에 사용된 다양한 Cu-amine 촉매 system의 중합활성을 비교하기 위하여 oxygen-uptake 실험을 실시하였다. 또한 제조된 PPE의 EDTA 수용액을 사용한 정제 방법을 통하여 잔류촉매 제거가 PPE의 열 안정성에 미치는 효과를 TGA를 통해 확인하였다.

Keywords

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