Water-based paint spraying process

Abstract

The invention discloses a water-based paint spraying process. The water-based paint spraying process comprises the following steps that coating of water-based closed primer is performed for the firsttime, wherein the coating amount is 80-100 g / m<2>, after coating, drying is performed, the dried water-based closed primer undergoes sanding, then water-based paint color wiping is performed, the wiping amount is 80-100 g / m<2>, and air-drying is performed after color wiping; coating of water-based primer is performed, wherein the coating amount is 90-120 g / m<2>, and the dried water-based primer undergoes sanding; coating of water-based color paint is performed, wherein the coating amount is 80-100 g / m<2>, and air-drying and sanding are performed after coating; coating of water-based finish paint is performed, wherein the coating amount is 90-120 g / m<2>. According to the water-based paint spraying process, the water-based closed primer is sprayed, so that the phenomenon of outward volatilization of veneer tannic acid in the water-based finish paint spraying process is effectively avoided, then the phenomenon of spot-like yellowing due to outward volatilization of the veneer tannic acidis effectively avoided, and the product quality is improved; and according to the water-based paint spraying process, sanding is performed after spraying of each time, the adhesive force of the water-based paint is increased through sanding, then the phenomenon of layering of the water-based paint in the spraying process is effectively avoided, and the quality of spraying is effectively guaranteed.

Description

technical field [0001] The invention relates to the technical field of water-based paint spraying, in particular to a water-based paint spraying process. Background technique [0002] Any coating that uses water as a solvent or as a dispersion medium can be called a water-based paint. Water-based paint includes three types: water-soluble, water-diluted, and water-dispersed (latex paint). [0003] The water-based paint coating process is a new type of wood veneer water-based paint application technology, which is mainly used in furniture, doors, windows, wall panels, etc. The mixed oil products on the market generally include PU bottom PU surface, NC bottom NC surface and PU bottom water-based surface. , the use of oily polyester paint is mostly oily polyester paint, its environmental protection performance, safety performance, and the release of benzene and VOC in the later stage are very high, which not only pollutes the environment, but also is extremely unsafe; and in th...

AI Technical Summary

Problems solved by technology

[0003] The water-based paint coating process is a new type of wood veneer water-based paint application technology, which is mainly used in furniture, doors, windows, wall panels, etc. The mixed oil products on the market generally include PU bottom PU surface, NC bottom NC surface and PU bottom water-based surface. , the use of oily polyester paint is mostly oily polyester paint, its environmental protection performance, safety performance, and the release of benzene and VOC in the later stage are very high, which not only pollutes the environment, but also is extremely unsafe; and in the use process of these water-based paints, due to tannic acid It is easily soluble in water. Usually, the water-based topcoat cannot seal the tannic acid of the veneer after spraying, so that the tannic acid volatilizes from the veneer and gradually enters the water-based topcoat through the water-based paint layer, resulting in spotty yellowing of the water-based topcoat, which affects The quality of the paint surface. In addition, due to the low adhesion of the water-based paint, there will be delamination of the water-based paint