Common knowledge of coating: the function of defoamer
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Last Update: 2020-04-03
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Source: Internet
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Author: User
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Core tip: [news] defoamer is mainly used to reduce the surface tension and eliminate foam in food processing Most of the bubbles are produced by external forces The surface active substances in the solution are formed at the junction of solution and air, forming bubbles and floating up In the process of food processing, such as fermentation, agitation, boiling, concentration and so on, a large number of bubbles can be produced, which affects the normal operation, and must be eliminated or prevented in time Defoamers can be divided into two types: One kind can eliminate the bubbles, such as ethanol, etc; Another Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: [news] defoamer is mainly in the process of food processing to reduce surface tension, eliminate foam substances Most of the bubbles are produced by external forces The surface active substances in the solution are formed at the junction of solution and air, forming bubbles and floating up In the process of food processing, such as fermentation, agitation, boiling, concentration and so on, a large number of bubbles can be produced, which affects the normal operation, and must be eliminated or prevented in time Defoamers can be roughly divided into two categories: one can eliminate the generated bubbles, such as ethanol; the other can inhibit the formation of bubbles, such as emulsified silicone oil There are seven defoamers permitted to be used in China, including emulsified silicone oil, high-carbon alcohol fatty acid ester complex, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropanol amine ether, polyoxypropylene glycerin ether, polyoxypropylene oxyethylene glycerin ether and polydimethylsiloxane Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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