What are the relations and differences between "varnish, paint and water-based paint"?

This is actually the contrast between paint and water-based paint: \x0d\ Our traditional paints (paints): polyester paint PU, nitrocellulose lacquer NC and ready mixed paint alkyd are basically composed of main paint, curing agent and diluent. \ x0d \ x0d \ a, main paint (resin, auxiliary, solvent and colored pigment) \ x0d \ x0d \ b, diluent (solvent and mixture) \x0d\C, curing agent (TDI, auxiliary and solvent) \ x0d \ x0d \ oily. When the content of free formaldehyde in the air exceeds 0. 1.5 mg/m3, chronic respiratory diseases will be formed in this environment for a long time, and lung function will decline. In addition, oily paint also contains heavy metals such as lead, chromium, cadmium and mercury, which can enter the human body through respiratory tract, skin and other channels, and then invade the nervous system, hematopoietic system and liver organs of the human body, leading to neurological disorders, mental retardation of children, ADHD and other diseases. The continuous volatilization of harmful substances can last for more than 10 years, causing indoor air pollution. Therefore, oily paint is also known as the "invisible killer". \x0d\ It is understood that water-based paints rose in China for about 10 years. Compared with traditional coatings, there is still a gap in fullness, hardness, wear resistance and hand feel of waterborne wood coatings. However, with the breakthrough of research and development technology of waterborne wood paint, the appearance of waterborne polyester wood paint undoubtedly solved the shortcomings of previous waterborne wood paint. Waterborne polyester wood paint itself has the characteristics of no odor, environmental protection, quick drying, high hardness, no yellowing, water resistance, heat resistance, good feel, strong adhesion and good weather resistance.