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Oct 15, 2014
In the silicone defoamer, the silicone surfactant is used as the organic silicon compound. To make the silicone defoamer of high stability, firstly you should use the silicone paste composed of two-methyl silicone oil and carbon-white to be the main component, and then add Span 80 and Twain 80 to modulate the hydrophilic value, and finally finished by heating and stirring. The hydrophilic balance has a great influence of defoaming agent‘s performance.
Silicone defoamer has been used in various industrial fields from the 60's, but the rapid development of large-scale and comprehensive use of it has been started in the 80’s. As the organic silicon defoamer, its application is very extensive, and now it has attracted more and more attention from all walks of life. It can be widely used for fermentation industry of erythromycin, lincomycin, avermectin, gentamycin, penicillin, tetracycline, oxytetracycline, tylosin, glutamic acid, lysine, citric acid, xanthan gum etc. At the same time, it is widely used in textile, printing and dyeing, paint, dyestuff, papermaking, printing ink, oil, sewage treatment and other fields. And when used in printing, the silicone defoamer has good compatibility with additives in the dye bath, and does not affect the shade and color fastness.
