Patent ID: 8920671
Filing Date: 2014-12-30
Classification: B01D,C02F,Y02W

Abstract:
1. A loess-based, environmentally friendly functional defoaming agent comprising: 1-20 wt % of loess; 10-30 wt % of a silicone resin having a kinematic viscosity of 10-50,000 cst; 1-5 wt % of a thickening agent; 1-10 wt % of a natural surfactant; 1-10 wt % of a water-purifying agent; and 60-80 wt % of water, wherein the natural surfactant is prepared by adding 0.05-0.2 parts by weight of a catalyst to 100 parts by weight of a 1:5-1:7 mixture of natural fatty acid and α,γ-hydroxysiloxane.