In the production process of enameled wire, enameled wire lacquer is coated and baked into a solid paint film, and theoretically, lacquer-based polymers change from solution state to polymer body, which is a complex physical and chemical process.
It involves some basic concepts, especially polymer solutions and surface tension phenomena.
Solvent evaporation and polymer chemical reaction are closely related to enameled wire production process.
Enameled wire production process is the process of coating enameled wire on metal wire to form uniform paint film.
Why can paint coating on the wire to form a uniform smooth film?
The problem involves the surface tension of the liquid, the wetting Angle, the characteristic parameters, and the evaporation characteristics of the solvent.
Surface tension is the liquid force to find the surface area contraction to the minimum.
Since the sphere has the smallest surface area in a geometry of the same volume, if the liquid is not affected by any other force, it will become annular under surface tension.
The paint viscosity, solid content, surface tension and contact Angle in enamelled wire production process are internal, temperature, speed and other factors are external factors.