Papermaking felt cleaning agent, oleamide benzene sulfonic acid, and preparation method thereof

A technology similar to benzenesulfonic acid and oleic acid amide, which is applied in the field of papermaking, can solve the problems of biodegradability, poor environmental protection, low cleaning efficiency, and excessive waste water generation, and achieve scientific and reasonable preparation methods, improve production efficiency, and expand production capacity.

Active Publication Date: 2015-12-09
吉林坤刚化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, the existing technology has the disadvantages of low cleaning efficiency, shutdown for cleaning, p

Method used

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  • Papermaking felt cleaning agent, oleamide benzene sulfonic acid, and preparation method thereof
  • Papermaking felt cleaning agent, oleamide benzene sulfonic acid, and preparation method thereof
  • Papermaking felt cleaning agent, oleamide benzene sulfonic acid, and preparation method thereof

Examples

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preparation example Construction

[0025] The preparation method of oleic acid amides benzenesulfonic acid of the present invention, it comprises the following steps:

[0026] 1) Using oleic acid ethanolamide as raw material, NKC-9 strongly acidic cation exchange resin as catalyst, organic acid as oxygen carrier, hydrogen peroxide as oxidant, in parts by mass, 100 parts of oleic acid ethanolamide, 5-15 parts of Catalyst dosage, 80-120 parts of 30%-50% hydrogen peroxide, 10-20 parts of organic acid, epoxidized oleic acid ethanolamide reaction, reaction time 5-7h, reaction temperature 50-70°C, after the reaction, The catalyst is filtered out, and the acid water mixed with organic acid and hydrogen peroxide is separated to obtain epoxy oleic acid ethanolamide;

[0027] 2) Add p-aminobenzenesulfonic acid in the epoxy oleic acid ethanolamide that step 1) obtains, by mass parts, the epoxy oleic acid ethanolamide of 100 parts, the p-aminobenzenesulfonic acid of 20-25 parts, at temperature 60-80°C, reaction time 7-9h,...

Embodiment 1

[0031] The preparation method of the oleic acid amides benzenesulfonic acid of embodiment 1 may further comprise the steps:

[0032] 1) In parts by mass, 100 parts of oleic acid ethanolamide, 5 parts of catalyst consumption, 80 parts of 30% hydrogen peroxide, and 10 parts of organic acid are used for epoxidized oleic acid ethanolamide reaction, the reaction time is 5h, and the reaction temperature is 50°C, after the reaction is over, filter out the catalyst, and separate the acid water mixed with organic acid and hydrogen peroxide to obtain epoxy oleic acid ethanolamide;

[0033] 2) Add p-aminobenzenesulfonic acid to the epoxy oleic acid ethanolamide obtained in step 1), in parts by mass, 100 parts of epoxy oleic acid ethanolamide, 20 parts of p-aminobenzenesulfonic acid, at a temperature of 60 ° C , The reaction time is 7h, after the amino group on the p-aminobenzenesulfonic acid and the epoxy group on the epoxy oleic acid amide undergo a ring-opening reaction to generate ole...

Embodiment 2

[0035] The preparation method of the oleic acid amides benzenesulfonic acid of embodiment 2 may further comprise the steps:

[0036] 1) In parts by mass, 100 parts of oleic acid ethanolamide, 10 parts of catalyst consumption, 100 parts of 40% hydrogen peroxide, and 15 parts of organic acid are used for epoxidized oleic acid ethanolamide reaction, the reaction time is 6h, and the reaction temperature is 60°C, after the reaction is over, filter out the catalyst, and separate the acid water mixed with organic acid and hydrogen peroxide to obtain epoxy oleic acid ethanolamide;

[0037] 2) Add p-aminobenzenesulfonic acid to the epoxy oleic acid ethanolamide obtained in step 1), in parts by mass, 100 parts of epoxy oleic acid ethanolamide, 23 parts of p-aminobenzenesulfonic acid, at a temperature of 70°C , The reaction time is 8h, after the amino group on the p-aminobenzenesulfonic acid and the epoxy group on the epoxy oleic acid amide ring-opening reaction to generate oleic acid am...

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Abstract

The invention provides a papermaking felt cleaning agent, oleamide benzene sulfonic acid, and a preparation method thereof. The molecular structural formula of oleamide benzene sulfonic acid is represented in the description, wherein the n represent the number of H, m represents the number of -CH2-CH2OH, when n=0 and m=2, the formula represents oleic acid diethanol amide benzene sulfonic acid; and when n=1 and m=1, the formula represents oleic acid monoethanol amide benzene sulfonic acid. The papermaking felt cleaning agent is mainly composed of oleamide benzene sulfonic acid, has a good wetting performance, and can tightly contact with the solid surface to clean the solid surface. The cleaning agent can eliminate the dirt or assist other agents to eliminate the dirt, and then discharges the dirt into the liquid around the dirt. Moreover, the cleaning agent can dissolve and disperse the removed dirt so as to prevent that the dirt is re-deposited on the cleaned surface or the dirt forms scum. The cleaning agent can be used to on-line clean papermaking felt in high-speed rotation; the cleaning efficiency is high, the cleaning effect is good, and the raw materials are cheap, easily available and biodegradable.

Description

technical field [0001] The invention relates to the field of papermaking, and relates to a cleaning agent for papermaking net blankets, oleic acid amide benzenesulfonic acid and a preparation method thereof. Background technique [0002] With the rapid development of environmental protection and energy-saving modern papermaking industry, the speed of paper machines has been greatly increased, and the requirements for product quality have also been continuously improved, which puts forward higher requirements for papermaking equipment. Forming wire and felt are important equipment for paper forming and dehydration, and must maintain a certain degree of permeability and water absorption during the production process. However, the resins, stickies and added sizing agents, fillers, retention and drainage aids, and short fibers in the papermaking slurry will form certain residues on the felt, which will block the mesh of the felt and the forming mesh. As a result, there are two ...

Claims

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Application Information

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IPC IPC(8): C07C309/46C07C303/22C11D10/02
Inventor 郝凤岭熊明邢天海
Owner 吉林坤刚化学有限公司
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