Diphenyl sulfone-containing aminosilane coupling agent and preparing method thereof
A technology of aminosilane coupling agent and diphenylsulfone, which is applied in the field of diphenylsulfone-containing aminosilane coupling agent and its preparation, and can solve the problems of inability to improve the dielectric properties of composite materials and the like.
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Embodiment 1
[0023] Firstly, the instruments to be used in the reaction process are fully dried in an oven. Then, add the solvent dimethylformamide and 0.2 mol of 4,4'-diaminodiphenylsulfone into the three-necked flask successively, stir, and after the 4,4'-diaminodiphenylsulfone is completely dissolved, nitrogen gas is introduced, Heat slowly to 100-150°C, add 0.1mol of γ-chloropropylmethyldiethoxysilane dropwise, react at 150°C for 10 hours after the dropwise addition, distill under reduced pressure, and remove the solvent to obtain a yellow viscous liquid .
Embodiment 2
[0025] Firstly, the instruments to be used in the reaction process are fully dried in an oven. Then, add the solvent dimethylformamide and 0.3 mol of 4,4'-diaminodiphenylsulfone into the three-necked flask successively, stir, and after the 4,4'-diaminodiphenylsulfone is completely dissolved, nitrogen gas is introduced into the flask. Heat slowly to 100-150°C, add 0.1mol of γ-chloropropylmethyldiethoxysilane dropwise, react at 150°C for another 15h after the dropwise addition, distill under reduced pressure, remove the solvent, and obtain a yellow viscous liquid .
Embodiment 3
[0027] Firstly, the instruments to be used in the reaction process are fully dried in an oven. Then, add the solvent dimethylformamide and 0.2 mol of 4,4'-diaminodiphenylsulfone into the three-necked flask successively, stir, and after the 4,4'-diaminodiphenylsulfone is completely dissolved, nitrogen gas is introduced, Slowly heat to 100-150°C, add 0.1mol of γ-chloropropyltriethoxysilane dropwise, react at 150°C for 10h after dropwise addition, distill under reduced pressure, remove the solvent, and obtain a yellow viscous liquid.
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