화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.36, No.1, 16-21, January, 2012
Export Citation
1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene을 사용한 유-무기 혼성 광 변색 코팅 막의 제조 및 특성
Preparation and Characterization of Photochromic Organic-Inorganic Hybrid Coating Using 1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)3,3,4,4,5,5-hexafluoro-1-cyclopentene
이창호, 이상구1, 이종대†
  • 충북대학교 화학공학과, 산업과학기술연구소
  • 1한국화학연구원 그린화학연구단
Chang Ho Lee, Sang Goo Lee1, and Jong Dae Lee†
  • Department of Chemical Engineering, Research Institute of Industrial Science & Technology, Chungbuk National University, Cheongju, Chungbuk 361-763, Korea
  • 1Division of Green Chemistry, Korea Research Institute of Chemical Technology, Yuseong, Daejeon 305-343, Korea
E-mail:
초록
광 변색 물질로 1,2-bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene(BTHFC)를 사용하는 유-무기 혼성 코팅막이 금속 알콕사이드인 tetramethoxysilane(TMOS), 다양한 실란 커플링제, 그리고 용매와 같은 다양한 반응 조건하에서 제조되었다. 제조된 코팅 막 중에서 상대적으로 비극성인 실린 커플링제를 사용한 경우, 광 변색 유기물인 BTHFC는 우수한 흡광도 및 소색속도를 나타내었다. 더욱이 용매 THF 존재 하에서 TMOS와 methacryloyloxypropyltrimethoxysilane(MPTMS)의 몰 비가 1:1로 하여 제조되었을 때 흡광도와 소색속도는 크고 빠른 것을 알 수 있었다. 연필강도는 TMOS의 함량이 증가할수록 증가한 반면, 투과도는 상대적으로 감소하였다.
Organic-inorganic hybrid coating film using 1,2-bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene (BTHFC) as a photochromic material was prepared under various reaction conditions such as the amounts of tetramethoxysilane (TMOS), various silane coupling agents, and solvent. It was found that color-fading speed and absorbance of the coating film was strongly dependent upon the polarity of silane coupling agent and solvent. In addition, the mole ratio of TMOS and methacryloyloxypropyltrimethoxysilane (MPTMS) was an important factor to determine color-fading speed and absorbance of the coating film. With increasing TMOS contents in coating film, the pencil hardness was increased. On the other hands, the transmittance of coating film was relatively decreased with the increase of TMOS.
Keywords:photochromic;1,2-bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene;sol-gel;organic-inorganic hybrid coating.
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