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含桂皮酸酯基側鏈共聚物之合成及其光配向特性研究 謝慶東*、劉堯欽、潘世偉、卓昭伶 南台科技大學化學工程與材料工程系 E-mail: [email protected]. 摘要 - PowerPoint PPT Presentation
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* E-mail: [email protected]
PVAP(HEMA-MMA)cinnamoyl chlorideP(VA-VCI), P(MMA-CEMA)EDCi(NPUV)( LPUV )FT-IRUV-Vis1H-NMRUVE-Z[2+2] P(VA-VCI) S0.50EDCiP(VA-VCI)(1/9,w/w)0.77POMUVAFMUV E-Z[2+2]
LCDF. Lv[1]N. Kawatsuki[2] S-J. Sung[3] LCD(Roll to Roll)Tg[2+2]
1. P(VA-VCI), P(MMA-CEMA) EDCI P(VA-VCI)Scheme-1P(MMA-CEMA) Scheme -23EDCiScheme -4 2. 3. 4.
Scheme-1. Synthesis of copolymer P(VA-VCI). P(MMA-CEMA) Scheme-2 Scheme-3 Scheme-4. Synthesis of EDCi 1. P(VA-VCI) P(VA-VCI) FT-IR 1713 cm-1C=O1600 cm-1C=C1634 cm-1PVAOH1HNMRCICHOHCH1:0.36P(VA-VCI)CI73.5 mol%Fig-1FT-IRP(VA-VCI)C=C1630 cm-1C=C30min1710 cm-1C=OP(VA-VCI)CDCl3UV60min1H-NMRHC=CH5.82ppm6.88ppm[2+2]H-C3 ppmFig-2P(VA-VCI) UV-vis277 nm-*HC=CH-UV2+230minP(VA-VCI)[2+2][2+2] Fig-1. P(VA-VCi)UVIRFig-2. P(VA-VCI)UV-Vis. Fig-3. P(VA-VCI) 60 min1H-NMR 2.P(MMA-CEMA) HEMA FT-IR (3200-3600 cm-1)C=C(1638 cm-1) C=O(1719 cm-1)MMAC=C, (1638 cm-1) C=O, (1749 cm-1)C=C(1638 cm-1)C=O(1727 cm-1 )O-H(3200-3600 cm-1)HEMAMMAFig-4Fig-5NMR-OH(5.064 ppm)-OCH2CH2-O (3.9 ppm)-OCH3 (3.65 ppm) HEMA-OCH2CH2MMA-OCH3HEMA/MMA1:232%67%HEMA/MMA2:170%30%Fig-6 FT-IR30min1710 cm-1C=OFig-7 UV-Vis-*291 nm254 nmisosbectic pointE-Z30E-ZFig-8UV-Vis293 nm 254nm[2+2]Scheme-5 Fig-4. HEMA/MMA1:1 1:2 2:1 FT-IR Fig-5.H-NMRHEMA/MMA (a) 2:1 (b) 1:2 Fig-6. UVFT-IR Fig-7. UVUV-VisFig-8. UVUV-Vis Scheame-5 [2+2] 3. SP(VA-VCI)UV30min0.50Fig-9UVUVEDCiP(VA-VCI)UVEDCiP(VA-VCI)/EDCi9:10.77EDCiTable-1EDCiUVP(VA-VCI)EDCiPOMP(VA-VCI)/EDCi9:17:31:19:1POMFig-11AFM P(VA-VCI)/EDCiUV9:1AFMFig-12P(VA-VCI) EDCi Table-1. P(VA-VCI)/EDCIFig-11. P(VA-VCI)/EDCi(9/1)UV60 min POM(a)0 (b)45 (50X) . Fig-12. P(VA-VCI)/EDCi(9/1) (a)UV(b)UvAFM P(VA-VCI)P(MMA-CEMA)FT-IRUV-Vis1H-NMRUVE-Z[2+2]P(VA-VCI)0.50POMUVEDCiP(VA-VCI)UVPOMP(VA-VCI) UVAFMP(VA-VCI)/EDCiUV F. Lv , Z. Peng ,L.Zhan ,L.Yao ,Y.Liu and L.Xuan , Liquid Crystals,Vol. 36, 43-51, 2009N. Kawatsuki, A.Yamashita, Y. Fujii, C. Kitamura and A. Yoneda, Macromolecules, 41, 24, 9715, 2008 3. S-J. Sung , K-Y. Cho , H. Hah , J. Lee , H.-K Shim , J-K. Park, Polymer 47, 2314-2321, 2006 Fig-9. P(VA-VCI)UV30 min Fig-10. P(VA-VCI)/EDCi(9/1)UV 60 min