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Method for preparing adsorbent for 2-mercaptobenzothiazole purification

The technology of mercaptobenzothiazole and adsorbent is applied in the field of preparation of adsorbent for purifying 2-mercaptobenzothiazole, and can solve the problems of large environmental pollution, complicated production process and insufficient purity of 2-mercaptobenzothiazole products, etc. To achieve the effect of large adsorption impurities, high product purity and fast adsorption speed

Inactive Publication Date: 2016-12-07
王金桢
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the existing refined methods for the purification of 2-mercaptobenzothiazole have the disadvantages of complex production process, large environmental pollution during the production process, and insufficient purity of 2-mercaptobenzothiazole products

Method used

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  • Method for preparing adsorbent for 2-mercaptobenzothiazole purification

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In 2000L reactor, add 1000Kg water, 100Kg styrene, 3Kg dicyclopentadiene, 1Kg trimethoxypentamethylcyclopentadienyl titanium, 0.8Kg potassium persulfate, 1Kg sodium dodecylbenzenesulfonate, 1.5Kg1,5,7-Triazabicyclo[4.4.0]dec-5-ene, 1Kg benzyl vinyl ether, heated up to 80°C, reacted for 10h, filtered the product, and dried to obtain 2-mercaptobenzo Adsorbent for thiazole purification.

Embodiment 2

[0024] Add 1000Kg water, 100Kg styrene, 1Kg dicyclopentadiene, 0.5Kg trimethoxypentamethylcyclopentadienyl titanium, 0.5Kg potassium persulfate, 0.5Kg dodecylbenzenesulfonic acid in a 2000L reactor Sodium, 0.5Kg1,5,7-triazabicyclo[4.4.0]dec-5-ene, 0.5Kg benzyl vinyl ether, heated to 70°C, reacted for 8h, filtered the product, and dried to obtain 2- Adsorbent for purification of mercaptobenzothiazole.

Embodiment 3

[0026] Add 1000Kg water, 100Kg styrene, 5Kg dicyclopentadiene, 1.5Kg trimethoxypentamethylcyclopentadienyl titanium, 1Kg potassium persulfate, 1.5Kg sodium dodecylbenzenesulfonate in a 2000L reactor , 2Kg1,5,7-Triazabicyclo[4.4.0]dec-5-ene, 1.5Kg benzyl vinyl ether, heated up to 100°C, reacted for 12h, filtered the product, and dried to obtain 2-mercaptobenzene And thiazole purification adsorbent.

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PUM

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Abstract

The invention provides a method for preparing an adsorbent for 2-mercaptobenzothiazole purification. The method includes the steps that a certain amount of styrene is dispersed in water; dicyclopentadienyl, pentamethylcyclopentadienyltitanium trimethoxide, potassium persulfate and sodium dodecyl benzene sulfonate, 1,5,7-triazabicyclo[4.4.0]dec-5-ene and benzyl vinyl ether are added according to the proportion, heating is conducted, reaction is conducted at proper temperature and pressure, a product is filtered and dried after reaction, and the adsorbent for 2-mercaptobenzothiazole purification is obtained.

Description

technical field [0001] The invention relates to a preparation method of an adsorbent, in particular to a preparation method of an adsorbent for purification of 2-mercaptobenzothiazole. Background technique [0002] 2-Mercaptobenzothiazole is mainly used as a rubber vulcanization accelerator (accelerator M), and also as a pesticide fungicide, called hydrogen sulfide agent or M agent. It can also be used as a corrosion inhibitor. The pure product is also used as metal special reagent. It can be synthesized from aniline, carbon disulfide and sulfur, or carbon disulfide and diphenylthiourea, or o-nitrochlorobenzene, sodium hydrosulfide and carbon disulfide. [0003] CN1300123 discloses an extraction method of 2-mercaptobenzothiazole, belonging to an extraction process. The technical problem to be solved by the present invention is to provide a method for extracting 2-mercaptobenzothiazole, the extracted 2-mercaptobenzothiazole has high purity and low cost. The technical sche...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F232/06C08F216/16C08F234/00B01J20/26C07D277/72
CPCC08F212/08B01J20/264C07D277/72C08F232/06C08F216/165C08F234/00
Inventor 张玲
Owner 王金桢
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