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Composite organic-silicon liquid defoaming agent

A liquid defoamer and silicone technology, applied in the direction of foam dispersion/prevention, can solve the problems of poor heat resistance, low mechanical tension, poor stability, etc., and achieve good heat resistance, low mechanical tension and low dosage little effect

Inactive Publication Date: 2018-01-09
徐州中泰能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a compound organic silicon liquid defoamer, aiming to solve the problems of low mechanical tension, poor stability and poor heat resistance of existing defoamers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A composite organosilicon liquid defoamer, which consists of the following components in parts by weight: 12 parts of liquid organosilicon active material, 10 parts of emulsifier, 30 parts of stabilizer, 1 part of hydrophobic particles, and 42 parts of surface modifier.

[0014] The liquid silicone active substance includes one or more compoundings of methyl silicone oil, methylphenyl silicone oil, ethyl silicone oil, polyether modified silicone oil, and dimethylsiloxane hydrolyzate; the emulsifying assistant The agent is one or more of non-ionic surfactants, alkylphenol polyoxyethylene ethers, polyoxyethylene ethers, and fatty alcohol polyoxyethylene ethers; the stabilizer is starch; the hydrophobic particles are One or two kinds of sodium sulfate water and alum; the surface modifier is one or two kinds of triethanolamine and n-octanol.

Embodiment 2

[0016] A composite silicone liquid defoamer, which consists of the following components by weight: 15 parts of liquid silicone active material, 15 parts of emulsifier, 32 parts of stabilizer, 3 parts of hydrophobic particles, and 43 parts of surface modifier.

[0017] The liquid silicone active substance includes one or more compoundings of methyl silicone oil, methylphenyl silicone oil, ethyl silicone oil, polyether modified silicone oil, and dimethylsiloxane hydrolyzate; the emulsifying assistant The agent is one or more of non-ionic surfactants, alkylphenol polyoxyethylene ethers, polyoxyethylene ethers, and fatty alcohol polyoxyethylene ethers; the stabilizer is starch; the hydrophobic particles are One or two kinds of sodium sulfate water and alum; the surface modifier is one or two kinds of triethanolamine and n-octanol.

Embodiment 3

[0019] A composite organosilicon liquid defoamer, which consists of the following components in parts by weight: 18 parts of liquid organosilicon active material, 20 parts of emulsifier, 35 parts of stabilizer, 5 parts of hydrophobic particles, and 45 parts of surface modifier.

[0020] The liquid silicone active substance includes one or more compoundings of methyl silicone oil, methylphenyl silicone oil, ethyl silicone oil, polyether modified silicone oil, and dimethylsiloxane hydrolyzate; the emulsifying assistant The agent is one or more of non-ionic surfactants, alkylphenol polyoxyethylene ethers, polyoxyethylene ethers, and fatty alcohol polyoxyethylene ethers; the stabilizer is starch; the hydrophobic particles are One or two kinds of sodium sulfate water and alum; the surface modifier is one or two kinds of triethanolamine and n-octanol.

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PUM

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Abstract

The invention relates to a composite organic-silicon liquid defoaming agent. The composite organic-silicon liquid deforming agent is composed of the following components in parts by weight: 12-18 parts of liquid organic silicon active matter, 10-20 parts of an emulsifying agent, 30-35 parts of a stabilizer, 1-5 parts of hydrophobic particles and 42-45 parts of a surface modifier, wherein the organic silicon defoaming active matter is one of or a compound of more than one of methyl silicone oil, methyl phenyl silicone oil, ethyl silicone oil, polyether modified silicone oil and dimethyl siloxane hydrolysate; an emulsifying auxiliary is one of or a compound of more than one of a non-ionic surfactant, alkylphenol polyoxyethylene ether, polyoxyethylene ether and fatty alcohol polyoxyethylene ether; the stabilizer is starch; the hydrophobic particles are one of or a compound of more than one of anhydrous sodium sulfate, alum and white carbon black; and the surface modifier is one of triethanolamine and n-octyl alcohol or a compound of the two. The composite organic-silicon liquid defoaming agent provided by the invention not only can play good defoaming effect in an application process,but also can maintain good stability and persistence in various service environments.

Description

technical field [0001] The invention relates to the field of fine chemical additives, in particular to a composite organosilicon liquid defoamer. Background technique [0002] Silicone defoaming agent has rapid defoaming and long-lasting foam suppression; good dispersibility, high temperature resistance, acid and alkali resistance, electrolyte resistance, shear resistance, good compatibility with various dyes and chemicals, no oil drift, no silicon spots; Safe and non-toxic, in line with environmental protection requirements; stable quality and other characteristics, it is the most widely used system in the field of defoamers. Silicone defoamers are commonly used in the market as aqueous phase emulsion type and solvent type; the aqueous phase emulsion type has the characteristics of good storage stability, convenient transportation, and easy use, and can be prepared into a compound type of antifoaming agent of various organosilicon compounds. foaming agent. Contents of th...

Claims

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Application Information

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IPC IPC(8): B01D19/04
Inventor 林爱平
Owner 徐州中泰能源科技有限公司
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