Rapid foam inhibitor



The invention discloses a rapid foam inhibitor. The rapid foam inhibitor comprises the following raw materials in percent by weight: 8 to 15 percent of trifluoropropyl modified silicon polyether, 5 to 10 percent of dimethyl silicon oil, 4 to 7 percent of hydroxyl silicon oil, 10 to 20 percent of high-boiling silicon oil, 7 to 12 percent of emulsifying agent, 2 to 4 percent of thickening agent and 42 to 55 percent of deionized water. The rapid foam inhibitor is prepared by adopting the trifluoropropyl modified silicon polyether, the dimethyl silicon oil, the hydroxyl silicon oil and the high-boiling silicon oil as main defoaming active components and adding the emulsifying agent, the thickening agent and the deionized water, and has the characteristics of small amount of use, fast defoaming, long foam inhibiting time, excellent dispersing performance and lasting defoaming, good stability, no toxicity and no odor and the like; due to the addition of the trifluoropropyl modified silicon polyether, not only can the defoaming active components be emulsified, but also the defoaming capability can be improved; due to addition of the silicon oil, the good and rapid effects of defoaming and foam inhibition can be obtained by reducing the surface tension; and the rapid foam inhibitor is strong in defoaming capability, and can be widely applied in the industries of paper making, printing ink, coating and chemical engineering and the like.




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    CN-105238367-AJanuary 13, 2016中国石油集团川庆钻探工程有限公司长庆钻井总公司Environment-friendly defoaming agent for well drilling and preparation method thereof