Nitration reaction stabilizer and application thereof

A technology of nitration reaction and stabilizer, which is applied in the field of nitrification reaction stabilizer, can solve problems such as explosion, and achieve the effects of ensuring property safety, simple components and preventing explosion.

Inactive Publication Date: 2015-01-07
王晓伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The accumulation of all these by-products and nitro products has the potential to be explosive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] In parts by mass, 30 parts of isooctyltin dimethyl dimercaptoacetate, 10 parts of epoxy butyl stearate, 6 parts of barium stearate and 2 parts of trioctylphenyl phosphite were ground respectively , The screening particle size is 400 mesh powder.

[0020] The powders of the above four substances are evenly mixed to obtain the stabilizer of the present invention.

Embodiment 2

[0022] In parts by mass, grind 40 parts of isooctyltin dimethyldithioglycolate, 13 parts of epoxy butyl stearate, 7 parts of barium stearate and 3 parts of trioctylphenyl phosphite , The screening particle size is 450 mesh powder.

[0023] The powders of the above four substances are evenly mixed to obtain the stabilizer of the present invention.

Embodiment 3

[0025] In parts by mass, grind 50 parts of isooctyltin dimethyldithioglycolate, 17 parts of epoxy butyl stearate, 9 parts of barium stearate and 4 parts of trioctylphenyl phosphite , The screening particle size is 500 mesh powder.

[0026] The powders of the above four substances are evenly mixed to obtain the stabilizer of the present invention.

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Abstract

The invention provides a nitration reaction stabilizer and application thereof. The stabilizer comprises isooctyl dimethyl dithioglycolate tin, butyl epoxy stearate, barium stearate and trioctyl phenyl phosphite. The stabilizer can prevent explosive products from generation in the nitration reaction so as to avoid the resulting dangerous accidents, and is a stable composition with excellent stability.

Description

technical field [0001] The invention relates to a nitration reaction stabilizer and belongs to the technical field of stabilizers. Background technique [0002] Due to the extensive use of nitration reactions, a variety of nitration products can be prepared, such as mono- or polysubstituted nitrobenzene, but in the process of nitration reactions, there is often a certain degree of danger, which is mainly reflected in the fact that it is prone to explosion, resulting in serious damage. casualties and property damage. [0003] In the nitration reaction, in addition to the target product, some by-products are easily produced, such as nitrophenol sodium salt, etc. In addition, some nitro products are often brought into the distillation system of the purified product. The accumulation of all these by-products and nitro products has the potential to be explosive. [0004] In order to prevent explosions, people usually add nitrification reaction stabilizers to large-scale nitrifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07B43/02
Inventor 王晓伟
Owner 王晓伟
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