Metal complex liquid crystal polymer and preparation method thereof
A liquid crystal polymer and metal coordination technology, applied in the field of polymer chemistry, can solve the problems of non-volatility, difficulty, low fluorescence efficiency, etc.
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[0052] Example 1
[0053] A metal-coordinated liquid crystal polymer with the general structural formula:
[0054]
[0055]
[0056] The preparation method of the compound is:
[0057] 4-(4-Allyloxybenzoyloxy)-biphenoxyylvaleric acid cholesteryl ester (Ch), allyloxybenzoic acid (I) and hydrogen-containing siloxane (PMHS) are dissolved in toluene Among them, according to the molar ratio Ch: I: Hydrogen-containing siloxane (PMHS): Toluene is 50%: 50%: 10:1, the temperature is kept at 50°C for 4 hours, and 8% of the total mass of the reactants is added to the Pt / C catalyst. React for 24h at 80℃. Use infrared spectrometer to monitor the reaction process, when the Si-H bond in PMHS is at 2166cm -1 When the stretching vibration peak at the position disappears completely, the response is deemed complete. The reaction mixture was poured into methanol to precipitate and filtered with suction. The filter cake is washed with hot ethanol to remove unreacted monomers and dried to obtain a liq...
Example Embodiment
[0066] Example 2
[0067] A metal-coordinated liquid crystal polymer with the general structural formula:
[0068]
[0069] R 2 for
[0070] The preparation method of the compound is:
[0071] Menthyl 4-allyloxybenzoate (Ch), allyloxybenzoic acid (I) and hydrogen-containing siloxane (PMHS) are dissolved in xylene, and the molar ratio of Ch: I: contains hydrogen The ratio of siloxane (PMHS): xylene is 99.9%:0.1%:1:6, the temperature is kept at 100°C for 2.5h, the catalyst Pd / C catalyst is added with 0.05% of the total mass of reactants, and the reaction is at 130°C for 72h. The reaction process was monitored with an infrared spectrometer. When the stretching vibration peak of the Si-H bond in PMHS at 2166 cm-1 disappeared completely, the reaction was deemed complete. The reaction mixture was poured into methanol to precipitate and filtered with suction. The filter cake is washed with hot ethanol to remove unreacted monomers and dried to obtain a liquid crystal ionomer product.
[00...
Example Embodiment
[0079] Example 3
[0080] A metal-coordinated liquid crystal polymer with the general structural formula:
[0081]
[0082] R 3 for
[0083] 4-allyloxybenzoic acid cholesteryl ester (Ch), allyloxybenzoic acid (I) and hydrogen-containing siloxane (PMHS) are dissolved in toluene, and the molar ratio Ch: I: hydrogen-containing silicone Alkane (PMHS): toluene ratio of 20%:80%:1:30, constant temperature at 90°C for 1h, adding hexachloroplatinic acid catalyst with 2.2% of the total mass of the reactants, reacting at 15°C for 18h. The reaction process was monitored with an infrared spectrometer. When the stretching vibration peak of the Si-H bond in PMHS at 2166 cm-1 disappeared completely, the reaction was deemed complete. The reaction mixture was poured into methanol to precipitate and filtered with suction. The filter cake is washed with hot ethanol to remove unreacted monomers and dried to obtain a liquid crystal ionomer product.
[0084] In a 100mL single-neck bottle, the metal chlo...
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