| Research on colored lyotropic liquid crystals |
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| 作者姓名： | WEI Xilian YIN Baolin SUN Dezhi LIU Jie WANG Zhongni LI Ganzuo |
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| 作者单位： | [1]Department of Chemistry, Liaocheng University, Liaocheng 252059,China [2]Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, China |
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| 摘 要： | Splendidly colored lyotropic liquid crystals formed in the ternary system of a novel cationic surfactant, 3-p-nonylphenoxy-2-hydroxypropyl trimethyl ammonium bromide （NPTAB）-n-butanol-water system, had been observed under polarized light microscope. Small-angle X-ray scattering （SAXS）, ^2H （deuterium） quadrupolar splitting （^2H NMR） were employed to confirm the structures of these liquid crystals. The structural transformation of these special lyotropic liquid crystals had been confirmed by differential scanning calorimetry （DSC）. The influences of liquid crystal film thickness, temperature and conserving time on the color of liquid crystals have been investigated. It is also theoretically discussed for forming and changing of liquid crystal color.
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| 关 键 词： | 有色液态晶体 三甲基色氨酸 溴化物 丁醇 |
| 收稿时间： | 2005-02-04 |
| 修稿时间： | 2005-02-042005-05-28 |
Research on colored lyotropic liquid crystals |
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| WEI Xilian YIN Baolin SUN Dezhi LIU Jie WANG Zhongni LI Ganzuo.Research on colored lyotropic liquid crystals[J].Chinese Science Bulletin,2005,50(15):1586-1591. |
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| Authors: | Wei Xilian Yin Baolin Sun Dezhi Liu Jie Wang Zhongni Li Ganzuo |
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| Institution: | WEI Xilian1, YIN Baolin1, SUN Dezhi1, LIU Jie1, WANG Zhongni2 & LI Ganzuo2 1. Department of Chemistry, Liaocheng University, Liaocheng 252059, China; 2. Key Laboratory of Colloid and Interface Chemistry, Ministry of Edu-cation, Shandong University, Jinan 250100, China |
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| Abstract: | Splendidly colored lyotropic liquid crystals formed in the ternary system of a novel cationic surfactant, 3-p-nonylphenoxy-2-hydroxypropyl trimethyl ammonium bromide (NPTAB)-n-butanol-water system, had been ob-served under polarized light microscope. Small-angle X-ray scattering (SAXS), 2H (deuterium) quadrupolar splitting (2H NMR) were employed to confirm the structures of these liq-uid crystals. The structural transformation of these special lyotropic liquid crystals had been confirmed by differential scanning calorimetry (DSC). The influences of liquid crystal film thickness, temperature and conserving time on the color of liquid crystals have been investigated. It is also theoreti-cally discussed for forming and changing of liquid crystal color. |
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| Keywords: | colored lyotropic liquid crystal 3-p-nonylphenoxy-2-hydroxypropyl trimethyl ammonium bromide n-butanol DSC ^2H NMR SAXS |
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