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- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 한국정보디스플레이학회 한국정보디스플레이학회 International Meeting 한국정보디스플레이학회 2002년도 International Meeting on Information Display
- 발행연도
- 2002.1
- 수록면
- 479 - 482 (4page)
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Benzylideneacetophenones are known as chalcones[1]. The chalcone has been known to be a photo-isomerizable and photo-dimerizable chromophore. The chalcone derivatives were prepared by base-catalyzed condensation of aldehydes and acetophenones, which were substituted with various alkyl chains. The synthesized chalcone was introduced into the t-BOC protected diamine through William synthesis reaction. Photocrosslinkable polyimide was prepared via one-step imidization reaction of DOCDA (5-(2,5-dioxotetrahydro furyl}-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride) and the chalcone introduced diamine using isoquinoline (5 wt%) in m-cresol. The polyimide solutions were spin-coated onto the quartz, silicone wafer and glass substrates and the obtained thin films were irradiated obliquely with linearly polarized UV light.
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Synthesis and photo-induced Liquid crystal alignment of polyimide-g-cinnamate
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