Ground powder paint for aluminium wheel hub of cars

Abstract

A priming paint for the aluminium hub of car is prepared proportionally from carboxypolyester, epoxy resin, dulling-solidifying agent (cycloamidine and polyprotic acid), borneol, barium sulfate, titanium white powder, and acrylic acid copolymer as leveling agent.

Description

technical field

[0001] The invention relates to a chemical powder coating, in particular to a powder coating for the bottom of an aluminum wheel hub of an automobile. Background technique

[0002] Due to the energy-saving and VOC-free performance of powder coatings, domestic powder coating technology has developed rapidly in recent years. At present, with the rapid development of the domestic automobile industry, more and more powder coatings are used for auto parts. Among them, powder coating for aluminum wheels of automobiles is also widely used in the world. Because most of the primer coatings used on aluminum wheels of automobiles in my country rely on imports, These base powder coatings have problems such as poor leveling and high price. In this way, in the process of spraying aluminum wheel hubs of automobiles, a fine grinding process must be added before the color paint can be sprayed. As the requirements of customers are getting higher and higher, the requirements fo...