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A kind of alkyl (sulfonated phenoxy) benzene sulfonic acid disalt and preparation method thereof

A technology of alkyl phenoxy benzene and sulfonated phenoxy is applied in the field of alkyl benzene sulfonic acid disalt and its preparation, which can solve the problem of no domestic products on the market, and achieve the improvement of production and operation efficiency, product performance improvement, The effect of reducing the cost of use

Active Publication Date: 2015-09-09
杨锌荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Alkyl (sulfonated phenoxy) benzene sulfonic acid disalt is an excellent cost-effective surfactant. At present, the series of products used by domestic enterprises are all dependent on imports. There is no practical solution to the synthesis problem of this product in China, and there is no domestic product launch

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Add about 500 grams of bromobenzene and about 262 grams of dodecylphenol into a reaction kettle equipped with a reflux device, add about 30 grams of solid sodium hydroxide, add about 21 grams of solid potassium hydroxide, and heat and control the temperature at 30-50 Stir at ℃ until all the added solid alkali is dissolved, add about 15 grams of cuprous chloride, raise the temperature, and turn on the nitrogen protection. , the reaction is complete with dodecylphenol as the end point. After the end point is reached, the catalyst cuprous chloride and sodium bromide are filtered off, and excess bromobenzene is distilled under reduced pressure to obtain dodecylphenoxybenzene, and then Add 100 grams of petroleum ether and start to add 200 grams of 120 oleum to the mixture of petroleum ether and dodecylphenoxybenzene dropwise. After the end point is reached, extract petroleum ether under reduced pressure, then add about 200 grams of water, stir for half an hour, and stand s...

Embodiment 2

[0036] Add about 500 grams of bromobenzene and about 113 grams of octylphenol into a reaction kettle equipped with a reflux device, add about 30 grams of solid sodium hydroxide, add about 21 grams of solid potassium hydroxide, heat and stir at 30-50 ° C When the added solid base is completely dissolved, add about 15 grams of cuprous chloride, raise the temperature, and turn on the nitrogen protection. At a temperature of 85-200°C, keep it warm for 1-5 hours, and at the same time, use the reflux of bromobenzene to separate and generate water. React Take the complete reaction of octylphenol as the end point. After the end point is reached, filter out the catalyst cuprous chloride and sodium bromide, distill off excess bromobenzene under reduced pressure to obtain octylphenoxybenzene, and then add 100 grams of petroleum ether And start to add 200 grams of 120 oleum to the mixture of petroleum ether and octylphenoxybenzene dropwise, control the temperature at 0-80 ° C, and react fo...

Embodiment 3

[0038]Add about 500 grams of iodobenzene and about 347 grams of octadecylphenol into a reaction kettle equipped with a reflux device, add about 30 grams of solid sodium hydroxide, add about 21 grams of solid potassium hydroxide, and heat and control the temperature at 30-50 Stir at ℃ until the added solid base is completely dissolved, add about 25 grams of cuprous chloride, heat up, and turn on the nitrogen protection. Since iodobenzene is highly reactive, it is necessary to slowly control the temperature at 85-200 ℃ and keep warm for 1- 5 hours, utilize the reflux separation of iodobenzene to generate water simultaneously, measure the end point, after the end point arrives, filter out catalyzer cuprous chloride and sodium iodide, decompression distillation gets unnecessary excess iodobenzene, then adds 100 grams of dichloromethane and Start to add 232 grams of chlorosulfonic acid dropwise to the mixture of dichloromethane and octadecylphenoxybenzene, control the temperature at...

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PUM

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Abstract

The invention relates to a novel anionic surfactant alkyl (sulfophenoxy) benzenesulfonic acid disodiumsalt and a preparation method thereof. The preparation method specifically comprises the steps of: with halogeno benzene and alkylphenol as main raw materials, in the presence of an acid-binding agent and copper salt, etherifying at 80-180 DEG C to produce an intermediate product phenoxy benzene and side product halogen salt; distilling out halogeno benzene at 80-180 DEG C, then adding an inert organic solvent and a sulfonating agent for sulfonating in the presence of an organic solvent at 0-80 DEG C to produce alkyl (sulfophenoxy) benzenesulfonic acid, and adding an alkali neutralizing agent for neutralizing till the PH value is 6.5-7.5, so as to produce alkyl (sulfophenoxy) benzenesulfonic acid disodiumsalt.

Description

[0001] Technical field The invention belongs to the field of chemical manufacturing, in particular to a kind of alkyl (sulfonated phenoxy) benzene sulfonic acid disalt and its preparation method. Background technique [0002] Alkyl (sulfonated phenoxy) benzene sulfonic acid disalt is an excellent cost-effective surfactant. At present, the series of products used by domestic enterprises are all dependent on imports. There is no practical solution to the synthesis problem of this product in China, and there is no domestic The product is launched. Through more than one year of hard work, I have solved this problem and actually synthesized a finished product with superior effect. Compared with imported products, the surface tension is 29-31 dynes / cm when the concentration is 0.1%, which can completely replace imported products. The products are widely used in industrial fields such as oil exploration, textile printing and dyeing, and latex processing; [0003] In terms of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C309/42C07C303/32B01F17/42B01F17/12C09K23/12C09K23/42
Inventor 杨锌荣
Owner 杨锌荣