화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korea Polymer Journal, Vol.8, No.4, 165-171, August, 2000
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synthesis and Characterization of Fluorinated Polyimides for Optical Waveguide Application
Kwansoo Han†
  • Applied Optics R&D Group, Samsung Electronics Co, Ltd., Suwon, P.O.Box 105, Kyungki-Do 440-600, Korea
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Fluorinated polyimides with high thermal stability, low optical absorption loss in the optical communication wavelengths of 1.3 and 1.55 ㎛ , and low birefringence and water absorption have been investigated for optical waveguide applications. These polyimides were prepared from 2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride (6FDA) with 1,4-bid-(4-amino-2-trifluoromethyl-phenoxy) tetrafluorobenzene (ATPT), 1,4-bis-(4-amino-2-trifluoromethyl-phenoxy) benzene (ATPB), and 1,3-bis-(4-amino-2-trifluoromethyl-phenoxy) 4,6-dichlorobenzene (ATPD), respectively. The polyimides obtained had glass transition temperatures that ranged from 260 to 280℃ , and low water absorption less than 0.4% and low optical loss(>0.2 dB/cm) at 1.3 and 1.55㎛ . birefringency values of polymer films ranged from 0.0041 to 0.0066.
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