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Method for preparing adsorbent for diethyl sebacate purification

A technology of diethyl sebacate and adsorbent, which is applied in the field of preparation of adsorption materials, can solve the problems of increased product purity and insufficient purification of diethyl sebacate, and achieve the effect of improving purity

Inactive Publication Date: 2016-11-16
王金明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing diethyl sebacate production technology is not perfect in the purification process of producing diethyl sebacate, and there is still room for improvement in the purity of diethyl sebacate products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of water phase

[0022] Add 100Kg of pure water and 1Kg of polyvinyl alcohol into a 1000L reactor, and stir evenly.

[0023] (2) Preparation of oil phase

[0024] 100Kg of methyl methacrylate, 3Kg bicyclo[2.2.1]hepta-2,5-diene, 0.3Kg tris(acetonitrile)cyclopentadiene ruthenium hexafluorophosphate, 0.3Kg1 5 9-cyclododeca Carbotriene, 1Kg vinyl laurate, stirred evenly to obtain an oil phase;

[0025] (3) Suspension polymerization reaction

[0026] Add the oil phase solution in step (2) to the reaction kettle equipped with the prepared water phase in step (1), and then react at 80°C for 12 hours. After the reaction, the reaction mixture is extracted with acetone and dried in vacuum to obtain a polymer object white ball. Number M-1.

Embodiment 2

[0028] (1) Preparation of water phase

[0029] Add 100Kg of pure water and 0.5Kg of polyvinyl alcohol into a 1000L reactor, and stir evenly.

[0030] (2) Preparation of oil phase

[0031] 100Kg of methyl methacrylate, 1Kg bicyclo[2.2.1]hepta-2,5-diene, 0.1Kg tris(acetonitrile)cyclopentadiene ruthenium hexafluorophosphate, 0.1Kg1,5,9-ring Dodecatriene, 0.5Kg vinyl laurate, stirred evenly to obtain an oil phase;

[0032] (3) Suspension polymerization reaction

[0033] Add the oil phase solution in step (2) to the reaction kettle equipped with the prepared water phase in step (1), and then react at 70°C for 10 hours. After the reaction, the reaction mixture is extracted with acetone and dried in vacuum to obtain a polymer object white ball. Number M-2.

Embodiment 3

[0035] (1) Preparation of water phase

[0036] Add 100Kg of pure water and 2Kg of polyvinyl alcohol into a 1000L reactor, and stir evenly.

[0037] (2) Preparation of oil phase

[0038] 100Kg of methyl methacrylate, 5Kg bicyclo[2.2.1]hepta-2,5-diene, 0.5Kg tris(acetonitrile)cyclopentadiene ruthenium hexafluorophosphate, 0.5Kg1,5,9-ring Dodecatriene, 2Kg vinyl laurate, stirred evenly to obtain an oil phase;

[0039] (3) Suspension polymerization reaction

[0040] Add the oil phase solution in step (2) to the reaction kettle equipped with the prepared water phase in step (1), and then react at 100°C for 15 hours. After the reaction, the reaction mixture is extracted with acetone and dried in vacuum to obtain a polymer object white ball. Number M-3.

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PUM

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Abstract

A preparation method of an adsorbent for purification of diethyl sebacate: add water and polyvinyl alcohol in a reactor, and stir to obtain an aqueous phase; in the reactor, methyl methacrylate, bicyclo[2.2. 1] Hepta-2,5-diene, monomer containing rare earth ruthenium, 1,5,9-cyclododecatriene, vinyl laurate, stir evenly to obtain an oil phase; add the oil phase solution to the Put it in a reaction kettle with prepared water phase, and then react at a suitable temperature. After the reaction, the reaction mixture is extracted with acetone and dried in vacuum to obtain an adsorbent for purifying diethyl sebacate.

Description

technical field [0001] The invention relates to a preparation method of an adsorption material, in particular to a preparation method of an adsorbent for purifying diethyl sebacate. Background technique [0002] Diethyl sebacate can be used in organic synthesis, edible spices, cold-resistant plasticizers, and as a solvent for polymer compound synthesis. It is widely used in chemical production, food production, pharmaceutical industry, construction industry and so on. The requirements for the purity of diethyl sebacate are getting higher and higher in various fields, and it is urgent to improve the purification level of the production process of diethyl sebacate. [0003] CN 104341302A discloses a preparation method of ethyl caprate and a stirring device for preparing ethyl caprate. Its structure includes a base, a vertical support and a stirring rod. Rod connection, the vertical support is provided with a lifting device that can lift the connecting piece, and the connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/30C07C69/50C07C67/56
CPCB01J20/262C07C67/56
Inventor 张玲王新
Owner 王金明
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