Star silsesquioxane-grafted acrylic ester-sulfonated styrene segmented copolymer and preparation method thereof
A technology of silsesquioxane and sulfonated styrene, used in electrochemical generators, fuel cells, electrical components, etc. The effect of hydrophilicity and superior thermal stability
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[0026] Implementation 1:
[0027] (1) Step 1: Add 600ml of anhydrous methanol, 24ml of concentrated hydrochloric acid, and 30ml of γ-chloropropyltrimethoxysilane to a 1000ml three-necked flask. Stir continuously and react at 40℃ for 5 days to obtain a white solid. Use methanol Rinse for several times and place in a vacuum oven at 50℃ to dry for 48h. Synthesis process such as figure 1 Shown
[0028] Step 2: Combine the measured octachloropropyl silsesquioxane (0.2g), pentamethyldivinyltriamine (0.15ml), cuprous chloride (0.015g), methyl methacrylate (20ml) ) And toluene (20ml) were respectively added to a 100ml three-necked flask equipped with a condenser and a magnetic stirrer, stirred under nitrogen protection, the temperature was raised to 70 ℃, and then gradually heated to 110 ℃, under constant temperature conditions to react to The viscosity of the system increased significantly. The product in the container was dissolved with a large amount of tetrahydrofuran to obtain a pol...
Example
[0042] Implementation 2:
[0043] (1) Step 1: Add 600ml of anhydrous methanol, 24ml of concentrated hydrochloric acid, and 30ml of γ-chloropropyltrimethoxysilane to a 1000ml three-necked flask. Stir continuously and react at 40℃ for 5 days to obtain a white solid. Use methanol Rinse for several times and place in a vacuum oven at 50℃ to dry for 48h. Synthesis process such as figure 1 Shown
[0044] Step 2: Combine the measured octachloropropylsilsesquioxane (0.4g), pentamethyldivinyltriamine (0.30ml), cuprous chloride (0.030g), methyl methacrylate (40ml) ) And toluene (40ml) were added to a 250ml three-necked flask equipped with a condenser and a magnetic stirrer, and stirred under nitrogen protection. The temperature was raised to 70°C, and then gradually heated to 110°C. The reaction was carried out under constant temperature conditions. The viscosity of the system increased significantly. The product in the container was dissolved with a large amount of tetrahydrofuran to obta...
Example
[0058] Implementation 3:
[0059] (1) Step 1: Add 600ml of anhydrous methanol, 24ml of concentrated hydrochloric acid, and 30ml of γ-chloropropyltrimethoxysilane to a 1000ml three-necked flask. Stir continuously and react at 40℃ for 5 days to obtain a white solid. Use methanol Rinse for several times and place in a vacuum oven at 50°C to dry for 48 hours. Synthesis process such as figure 1 Shown
[0060] Step 2: Put the measured octachloropropyl silsesquioxane (0.2g), pentamethyldivinyltriamine (0.15ml), cuprous chloride (0.015g), methyl methacrylate (20ml) ) And toluene (20ml) were respectively added to a 100ml three-necked flask equipped with a condenser and a magnetic stirrer, stirred under nitrogen protection, the temperature was raised to 70°C, and then gradually increased to 110°C, and the temperature was kept constant. The viscosity of the system increased significantly. The product in the container was dissolved with a large amount of tetrahydrofuran to obtain a polymer s...
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