Water-based silicon-modified polyester coating and preparation method thereof

The invention is suitable for the technical field of coatings, and provides a water-based silicon-modified polyester coating and a preparation method thereof. The water-based silicon-modified polyester coating is prepared from the following raw materials in parts by weight: 55 to 65 parts of water-based silicon-modified polyester material, 10 to 20 parts of acrylic resin, 5 to 9 parts of polytetrafluoroethylene micronized wax, 1 to 3 parts of water-based bentonite thickening agent, 1 to 3 parts of functional surface additive, 10 to 20 parts of methylated melamine and 15 to 25 parts of water. The coating is coated on the surface of an automobile, has the advantages of good adhesive force, high glossiness, excellent aging resistance, excellent wear resistance, excellent corrosion resistance and the like, and can adapt to complex and severe environments. 本申请适用于涂料技术领域，提供了一种水性硅改聚酯涂料及其制备方法；其中，所述水性硅改聚酯涂料，包括以下重量份数的原料：水性硅改聚酯材料55-65份、丙烯酸树脂10-20份、聚四氟乙烯微粉蜡5-9份、水性膨润土增稠剂1-3份、功能性表面助剂1-3份、甲基化三聚氰胺10-20份以及水15-25份。将本申请涂覆于汽车表面，附