A kind of preparation of 3-(phenylamino)propyl alkoxysilane and the recycling process of by-product
A technology of propyl alkoxysilane and phenylamino, applied in the field of organic chemistry, can solve problems such as high production cost, no reuse of by-products, environmental problems affecting recycling process, etc., to reduce production costs and solve environmental problems Effect
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Embodiment 1
[0023] In the 1000ml reaction container with heating, stirring, and the reflux device, add 465.5 grams of aniline liquid, and the stirring speed is 90 rpm / clock.Add to the container within 2 hours through the constant pressure drop. After the drip is added, the heat preservation is continued to react at 125 ° C for 2 hours, and then cools down to room temperature to filter to filter out the reaction -generated by -products of aniline hydrochloride.Import the filtrate into the distilled bottle, distille the filter fluid under the condition of the pressure -0.1MPa and the temperature of 120 ° C, and get 264.5 grams of aniline; then continue to heat the filtrate, and then distille it again at the temperature-0.1MPa temperature 150 ° C, which will be distilled again.(3- (phenyl amin amin amin amino) propyl trimethaloxane products in propylenexyxyne silane products of the (phenyl amin).3- (phenyl amin amin amin) propylene trimal oxyxane product appearance is colorless transparent liqui...
Embodiment 2
[0026] In the 1000ml reaction container with heating, stirring, and the reflux device, add 465.5 grams of aniline liquid, and the stirring speed is 90 rpm / clock to 125 ° C.Add to the container within 2 hours through the constant pressure drop. After the drip is added, the heat preservation is continued to react at 125 ° C for 2 hours, and then cools down to room temperature to filter to filter out the reaction -generated by -products of aniline hydrochloride.Import the filtrate into the distilled bottle, distille the filter fluid under the condition of the pressure -0.1MPa and the temperature of 120 ° C, and get 266.3 grams of aniline; then continue the temperature of the filtrate, and then disturb the pressure-0.1MPa temperature at 170 ° C.3- (phenyl amin) 3- (phenyl amin amin amino) propyl trimal oxyxane silica products in propylene oxide.3- (phenyl amin amino) propylene tritenal sirrillary silica product products are slightly yellow-transparent liquid, gas-phase chromatography ...
Embodiment 3
[0029]In the 1000ml reaction container with heating, stirring, and the return device, add 465.5 grams of aniline liquid, heat up at 90 rpm / cents to 125 ° C, and then 182.7 grams of 3-chloropenyl methyl oxygenyl oxygenyl baseSilicane adds to the container within 2 hours through the constant pressure drop. After adding the drip, continue the heat preservation at 125 ° C for 2 hours, and then cool down and cool to room temperature to filter to filter out the reaction byhemores aniline hydrochloride.Import the filtrate into the distilled bottle, distille the filter fluid under the condition of the pressure -0.1MPa and the temperature of 120 ° C, and get 264.2 grams of aniline; then continue the temperature of the filtrate, and then disturb the pressure-0.1MPa temperature at 150 ° C.3- (phenyl amin) 3- (phenyl amin amin amino) propyl methyl methoxyxilane products in propylene oxide is 218.2 grams.3- (phenyl amin amino) propyl methyl-based methaxyxyne product products are colorless and ...
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