High-transmittance and high-gloss anionic waterborne polyurethane finishing paint and preparation method thereof

• Main Authors: LI BENXIANG, ZHU BAOLING, ZHAO XI, LI WEIHU, DAI JIABING
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention discloses high-transparency and high-gloss anionic waterborne polyurethane finishing paint and a preparation method thereof, relates to the technical field of waterborne polyurethane, and provides a preparation method of anionic waterborne polyurethane resin which is simple and stable in production process, efficient and environment-friendly in production process and convenient to construct. The solid content of the prepared waterborne polyurethane resin is 25-35%, and the waterborne polyurethane resin is transparent and uniform in appearance, has the characteristics of high glossiness, high strength, good color contrast property and the like after being dried to form a film, can be widely applied to the field of finishing paint, and is used for improving the glossiness, smoothness and wear resistance of the surface of a material. 本发明公开了一种高透高光泽阴离子型水性聚氨酯罩光漆及其制备方法，涉及水性聚氨酯技术领域，本发明提供了一种生产工艺简单稳定、生产过程高效环保、施工方便的阴离子型水性聚氨酯树脂制备方法，所制水性聚氨酯树脂的固含量在25-35％，外观透明均一，干燥成膜后具有光泽度高、强度高、展色性好等特点，可广泛应用于罩光漆领域，用于提高材料表面的光泽度