A kind of two (diethylamino) silane synthetic method
A diethylamino and synthesis method technology, applied in the field of bis(diethylamino)silane synthesis, can solve the problems of reduced volume efficiency, low reaction yield, loss and waste of alkyl metal reagents, etc., to achieve increased yield, easy separation effect
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Embodiment 1
[0020] A method for synthesizing bis(diethylamino)silane, comprising the following steps:
[0021] 1) Using Cu(NO 3 ) 2 Dissolved in water, the Cu(NO 3 ) 2 The solution is used as a pillar liquid for subsequent use;
[0022] 2) Add clay to the water so that the weight ratio of clay to water is 1:2, stir until the clay is dispersed in water, add 4-fluorobenzamide oxime accounting for 0.03% of the clay mass, and tetraphenylboronic acid accounting for 0.003% of the clay mass Tris(1,2-dimethoxyethane)lithium adduct, ethylenebis(tetrahydroindenyl)titanium dichloride 0.002% by mass of clay, 2-ethylhexyl 3% by mass of clay Zinc acid, continue to stir to obtain clay solution;
[0023] 3) the pillar liquid obtained in step 1) is mixed with the clay solution obtained in step 2) to make Cu(NO 3 ) 2 Accounting for 5% of the mass of clay, heat up to 98°C and stir for 60 hours, then granulate and dry to obtain a clay catalyst.
[0024] 4) In parts by weight, add 100 parts of dichl...
Embodiment 2
[0026] A kind of two (diethylamino) silane synthetic method, comprises the following steps:
[0027] 1) Using Cu(NO 3 ) 2 Dissolved in water to obtain Cu(NO 3 ) 2 The solution is used as a pillar liquid for subsequent use;
[0028] 2) Add clay to the water so that the weight ratio of clay to water is 1:1, stir until the clay is dispersed in water, add 4-fluorobenzamide oxime accounting for 0.01% of the clay mass, and tetraphenylboronic acid accounting for 0.001% of the clay mass Tris(1,2-dimethoxyethane) lithium adduct, ethylenebis(tetrahydroindenyl)titanium dichloride 0.001% by mass of clay, 2-ethylhexyl 1% by mass of clay Zinc acid, continue to stir to obtain clay solution;
[0029] 3) the pillar liquid obtained in step 1) is mixed with the clay solution obtained in step 2) to make Cu(NO 3 ) 2 Accounting for 3% of the mass of clay, heat up to 90°C and stir for 80 hours, then granulate and dry to obtain a clay catalyst.
[0030] 4) According to parts by weight, add 1...
Embodiment 3
[0032] A kind of two (diethylamino) silane synthetic method, comprises the following steps:
[0033] 1) Dissolve Cu(NO3)2 in water to obtain a Cu(NO3)2 solution with a mass percentage concentration of 40% as a pillar liquid, and set aside;
[0034] 2) Add clay to the water so that the weight ratio of clay to water is 1:3, stir until the clay is dispersed in water, add 4-fluorobenzamide oxime accounting for 0.05% of the clay mass, and tetraphenylboronic acid accounting for 0.005% of the clay mass Tris(1,2-dimethoxyethane)lithium adduct, ethylenebis(tetrahydroindenyl)titanium dichloride, 0.005% by mass of clay, 2-ethylhexyl, 5% by mass of clay Zinc acid, continue to stir to obtain clay solution;
[0035] 3) Mix the pillar liquid obtained in step 1) with the clay solution obtained in step 2), so that Cu(NO3)2 accounts for 10% of the clay mass, heat up to 120°C and stir for 50h, then granulate and dry to obtain clay catalyst.
[0036] 4) In parts by weight, add 100 parts of di...
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