A block solid defoamer and preparation method thereof

A solid defoamer, block technology, applied in the field of block solid defoamer and preparation, industrial defoamer, can solve the inconvenience of adjusting the amount of defoamer at any time, unstable liquid defoamer, inconvenient transportation and other issues, to achieve the effect of high cost performance, undemanding conditions, and good economic benefits

Inactive Publication Date: 2016-03-30
南宁春城助剂有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The purpose of the present invention is to overcome the disadvantages of liquid defoamer instability, easy stratification, short storage period, inconvenient transportation, etc., and also solve the problem that powdery and granular solid defoamers are inconvenient for the foaming liquid in the flowing state. The problem of adjusting the amount of defoamer

Method used

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  • A block solid defoamer and preparation method thereof
  • A block solid defoamer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Firstly, 30 parts hardened oil, 20 parts rosin, and 10 parts palm oil are put into the mixed fatty acid of the jacketed and stirred reactor, heated to 80±1℃, and added according to the requirements of the neutralization rate at 95±1% The 30% liquid sodium hydroxide solution incompletely reacts to the mixed fatty acid, the neutralization reaction temperature is controlled at 126℃~130℃, and the temperature is kept for 20±2min, and then the compound fatty acid salt with the neutralization degree of 95% is prepared for use. Then add 3 parts of dimethyl silicone oil, 5 parts of paraffin, 5 parts of glycerol monostearate, and 5 parts of ethylene bisstearic acid amide in another small emulsifying kettle. The temperature is 145℃~150℃. Under the conditions, stir, and then add the emulsifier L-804 parts, the quaternary ammonium salt cationic emulsifier 1 part mixed surfactants slowly to the active ingredients that have been stirred, and stir at a constant temperature for 20±2min to...

Embodiment 2

[0042] First, 30 parts by weight of palmitic acid, 20 parts of tallow oil, and 10 parts of rapeseed oil mixed fatty acids are put into a jacketed stirred reactor, and the temperature is raised to 70±1℃, and the neutralization rate is 90%. ±1% 30% liquid sodium hydroxide solution does not completely react to the mixed fatty acid. The neutralization reaction temperature is controlled at 120℃~125℃, and the temperature is kept at a constant temperature of 20±2min to prepare a compound fatty acid salt with a neutralization degree of 90%. . Then add 8 parts of dimethicone, 3.5 parts of sorbitol coconut oleate, and 5 parts of glycerol monostearate defoamer active ingredient in another small emulsifying kettle, and stir at the temperature of 120℃~125℃, Then add NP-304 parts of emulsifier, 0.5 part of diethylene glycol roseate emulsifier and mixed surfactants slowly to the active ingredients that have been evenly stirred, and stir at a constant temperature for 20±2 minutes to fully emul...

Embodiment 3

[0044] First, 20 parts of hardened oil, 20 parts of tallow oil, 10 parts of rosin, and 10 parts of coconut oil are mixed fatty acids according to the proportions by weight. Put the mixed fatty acid into a jacketed stirred reactor, heat up to 75±1℃, add and press for neutralization The rate requires 96±1% 30% liquid sodium hydroxide solution to incompletely react with mixed fatty acids, the neutralization reaction temperature is controlled at 130℃~135℃, and the temperature is kept for 20±2min, then a compound fat with a neutralization degree of 96% is prepared Salt, spare. Then add 10 parts of dimethyl silicone oil, 3 parts of tributyl phosphate, and 5 parts of glycerol monostearate defoamer active ingredient into another small emulsification kettle. Stir at a temperature of 125℃~128℃, and then Emulsifier S-603 parts and NP-302 parts are slowly added to the evenly stirred active ingredients, and stirred at constant temperature for 20±2min to fully emulsify the active ingredients...

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Abstract

The invention discloses a block solid defoamer and its preparation method. The components and parts by weight include: 10-90 parts of fatty acid salt, 1-20 parts of active ingredient, 0-10 parts of emulsifier, and 10 parts of structuring agent. ~90 parts, appropriate amount of acid-base regulator. The preparation is to first neutralize the fatty acid mixed in proportion with sodium hydroxide solution to form fatty acid salt, then emulsify the active ingredient with an emulsifier, compound the active ingredient with fatty acid salt and structuring agent, mix well, and properly Add an acid-base regulator, and after cooling, discharge the material into plastic bags, and further cool and shape it to obtain a solid block product. The invention has the advantages of simple production process, convenient operation, high safety, non-toxicity, non-corrosion, good environmental compatibility and no environmental pollution. The product has low surface tension, fast dispersion in water, fast defoaming, long antifoaming time, less dosage, wide source of raw materials, high cost performance, not only used in papermaking and sewage treatment industries, but also in petroleum, mineral processing, chemical and other industries.

Description

technical field [0001] The invention belongs to the technical field of chemical industry and relates to an industrial defoamer, in particular to a block solid defoamer and a preparation method. technical background [0002] A pure liquid will not form a stable foam, but when the liquid is mixed with a surface-active substance, the liquid is stirred, and the air entering the liquid forms a stable dispersion in the liquid medium, and then a stable foam is formed. Foam in most production processes will bring difficulties to production and affect product quality, so foaming must be suppressed or eliminated. [0003] Bubbles and froth can be utilized, such as flotation, washing, fire extinguishing, dust removal, manufacturing foam plastics, etc.; bubbles and froth must also be eliminated, such as fermentation, paint, papermaking, boiler water, sewage treatment, printing and dyeing and other production processes. At this time, Foam brings harm to production. To overcome the hazar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D19/04
Inventor 关文华黄阁辉谢秀平蓝景艳关纪明黄震坤
Owner 南宁春城助剂有限责任公司
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