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Preparation method of modified-methyltris (methylethylketoxime) silane extraction separation auxiliary agent

A technology of methyl tributyl ketone oxime and silane, which is applied in the direction of liquid solution solvent extraction, chemical recovery, etc., can solve the problem of inability to achieve better separation effect and poor extraction and separation effect of modified-methyl tributyl ketoxime silane And other issues

Active Publication Date: 2021-07-27
ZHEJIANG JINHUA NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above patents and existing technologies must use solvent oil as an extractant to participate in the extraction operation in the production of methyl ethyl ketoxime silane, but the extraction and separation effect of modified-methyl tributyl ketoxime silane is poor, and a good separation effect cannot be achieved.

Method used

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  • Preparation method of modified-methyltris (methylethylketoxime) silane extraction separation auxiliary agent
  • Preparation method of modified-methyltris (methylethylketoxime) silane extraction separation auxiliary agent
  • Preparation method of modified-methyltris (methylethylketoxime) silane extraction separation auxiliary agent

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Embodiment 1

[0028] A kind of preparation method of modified-methyl tributylketoxime base silane extraction separation aid, its operating steps are:

[0029] Add 52g of 2-vinylpyridine monomer into 100g of toluene solvent, stir and mix evenly, add 0.001g of metal complex catalyst, then stir and react at room temperature for 120min, then add 42g of cross-linking monomer, continue to stir for 45min, after completion Add 10g of ethanol to stop the reaction, remove the solvent under reduced pressure, add 10g of multi-block polyether, 0.2g of aluminate coupling agent, 2g of ethylene glycol, 10g of sodium benzenesulfonate, control the temperature at 60°C, stir for 30min, then add 1.5 g ammonium ricinoleate, 0.4 g naphtha and 10 g ammonia water, control the temperature to 90° C., and stir for 1 h to obtain the modified methyl tributylketoximosilane extraction and separation aid.

[0030] The preparation method of described multi-block polyether is as follows:

[0031] 1) Add 30g of p-aminothioph...

Embodiment 2

[0039]A kind of preparation method of modified-methyl tributylketoxime base silane extraction separation aid, its operating steps are:

[0040] Add 58g of 2-vinylpyridine monomer into 200g of toluene solvent, stir and mix evenly, add 0.005g of metal complex catalyst, then stir and react at room temperature for 150min, then add 54g of cross-linking monomer, continue to stir for 90min, after completion Add 15g of ethanol to stop the reaction, remove the solvent under reduced pressure, add 18g of multi-block polyether, 0.5g of aluminate coupling agent, 5g of ethylene glycol, 14g of sodium benzenesulfonate, control the temperature at 70°C, stir the reaction for 60min, then add 4.4 g ammonium ricinoleate, 1.6 g naphtha and 14 g ammonia water, temperature controlled to 95° C., stirred and reacted for 2 hours to obtain the modified-methyl tributylketoximosilane extraction and separation aid.

[0041] The preparation method of described multi-block polyether is as follows:

[0042] 1...

Embodiment 3

[0050] A kind of preparation method of modified-methyl tributylketoxime base silane extraction separation aid, its operating steps are:

[0051] Add 68g of 2-vinylpyridine monomer to 400g of toluene solvent, stir and mix evenly, add 0.01g of metal complex catalyst, then stir and react at room temperature for 180min, then add 64g of cross-linking monomer, continue to stir for 180min, after completion Add 20g of ethanol to stop the reaction, remove the solvent under reduced pressure, add 38g of multi-block polyether, 0.8g of aluminate coupling agent, 8g of ethylene glycol, 24g of sodium benzenesulfonate, control the temperature at 80°C, stir the reaction for 120min, then add 8.4 g ammonium ricinoleate, 3.6 g naphtha and 18 g ammonia water, temperature controlled to 100° C., stirred and reacted for 5 h to obtain the modified-methyl tributylketoximosilane extraction and separation aid.

[0052] The preparation method of described multi-block polyether is as follows:

[0053] 1) A...

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Abstract

The invention relates to the field of chemical engineering, in particular to a preparation method of a modified-methyltris (methylethylketoxime) silane extraction separation auxiliary agent, and the extraction separation auxiliary agent is prepared and specially aims at a 120 # solvent oil extraction system of modified-methyltris (methylethylketoxime) silane. By using the extraction separation auxiliary agent, the partition coefficient can be prevented from jumping along with the increase of the concentration, the stability and continuity of extraction operation are facilitated, and meanwhile, smooth continuous production of a modified-methyltris (methylethylketoxime) silane finished product is ensured when the components of the 120 # solvent oil are changed. The extraction separation auxiliary agent can accelerate separation of the extraction agent and diacetylmonoxime hydrochloride, increase the extraction efficiency, accelerate the process progress, and ensure the stability and high efficiency of the process.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a method for preparing a modified-methyl tributylketoxime silane extraction and separation aid. Background technique [0002] Modified-methyl tributylketoxime silane is a kind of crosslinking agent with better reactivity prepared by the reaction of butanone oxime, methyltrichlorosilane and silicon tetrachloride mixture. The extraction operation is to produce essential steps in the process. [0003] CN110981902A is about a kind of preparation method of modified monomethyl tributyl ketoxime base silane; A kind of preparation method of modified monomethyl tributyl ketoxime base silane of the present invention, this method provides a kind of by butanone oxime and A method for preparing modified monomethyltributanone oximinosilane by reacting a mixed solution of methyltrichlorosilane and silicon tetrachloride. In this method, a certain proportion of silicon tetrachloride is used as a...

Claims

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Application Information

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IPC IPC(8): B01D11/04C08G81/00C08G65/28C08F126/06C08G63/685C08G64/18C08G64/30
CPCB01D11/04C08G81/00C08G65/2636C08F126/06C08G63/6852C08G64/18C08G64/30Y02P20/584
Inventor 周强段仲刚董君林蒋杰锋
Owner ZHEJIANG JINHUA NEW MATERIALS
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