Preparation method of wormwood paint

Abstract

The invention discloses a preparation method of a wormwood paint, which comprises the following steps: (1) grinding dry wormwood into 150-mesh wormwood powder by using a plant grinding facility, and filtering dust and black substances out of the wormwood powder by using a negative pressure suction facility to obtain light yellow pure wormwood powder; and (2) stirring with a dry-wet separation dual stirrer, preparing 5-20 parts of wormwood powder, 30-60 parts of water-based polyurethane, 5-10 parts of filler and 2-7 parts of defoaming agent used as raw materials, putting the raw materials in an upper-layer dry material stirring system to perform primary stirring, putting in a lower-layer stirring system, adding 20-40 parts of solvent and 2-6 parts of film formation assistant, and carrying out wet stirring to promote the paint to be sufficiently mixed together. The paint prepared by the method has the disinfection function, contains natural plant pigments, is environment-friendly and pollution-free, and has the health-care effect on the human body.

Description

technical field [0001] The invention belongs to the technical field of paint preparation, and in particular relates to a method for preparing a wormwood paint. Background technique [0002] Decoration is familiar to everyone. Whether it is home decoration or office decoration, safety, health and environmental protection issues have become the focus of everyone's attention. At present, there are many paint brands flooding the market, good and bad. But most of them have an unavoidable problem: these paints contain a lot of toxic substances, such as benzene, formaldehyde, heavy metals and curing agent residue TDI (toluene diisocyanate); these toxic substances in the paint and other decoration materials (Man-made panels, natural stone, etc.) The toxic gases and radiation released together constitute indoor air pollution. Indoor air pollution has been listed as one of the five most harmful environmental factors to public health; among them, formaldehyde and styrene are recognize...

AI Technical Summary

Problems solved by technology

But most of them have an unavoidable problem: these paints contain a lot of toxic substances, such as benzene, formaldehyde, heavy metals and curing agent residue TDI (toluene diisocyanate); these toxic substances in the paint and other decoration materials (artificial panels, natural stone, etc.) released toxic gases and radiation, together constitute indoor air pollution