Organic silicon defoaming agent and preparation method thereof

The invention relates to an organic silicon deforming agent and a preparation method thereof. The organic silicon deforming agent consists of the following components in parts by weight: 10-20 parts of dimethicone, 5-10 parts of hydroxyl silicone oil, 1-4 parts of silicon dioxide, 2-10 parts of fatty amine polyoxyethylene ether, 1-2 parts of alkymer, 5-15 parts of emulgators, 2-4 parts of thickening agents and 60-80 parts of water. The preparation method of the organic silicon deforming agent comprises the following steps of heating, stirring and heat preservation. The prepared organic silicon deforming agent has the characteristics of good stability, rapid defoaming speed, less dosage, no toxicity and odor and the like, and has an excellent using effect in elimination and inhibition of foam in the industries of paper making, oil ink, painting, chemical engineering and the like.