Water-based single-coating vacuum coating finish paint and preparation method thereof

Through the water-based single-coated topcoat formula of decomposed polyurethane acrylate and tenement polyurethane acrylate resin combined with water-soluble nanocellulose, the problem of abrasion resistance and adhesion resistance of water-based vacuum coating topcoat is solved, achieving the unity of high abrasion resistance and stability, and is not easy to yellow and has good transparency.

CN120290088APending Publication Date: 2025-07-11ZHEJIANG YOUQIAN SPECIAL MATERIALS CO LTD
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Patent Information

Application Number
CN202510463754.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2025-07-11

AI Technical Summary

Technical Problem

The prior art is difficult to improve the abrasion resistance of the water-based vacuum coating topcoat while ensuring stable adhesion, and the water-based vacuum coating topcoat has shortcomings in wear resistance and transparency.

Method used

The water-based single-coated topcoat is prepared by combining ten-functional polyurethane acrylate and ten-functional polyurethane acrylate resin, and water-soluble nanocellulose is added, combined with an appropriate amount of cosolvent and other resins, and a water-based single-coated topcoat is prepared through a specific dispersion and mixing process to enhance abrasion resistance and adhesion.

Benefits of technology

It achieves excellent scratch resistance, stable adhesion, and is not prone to yellowing, with good transparency, and meets the requirements of high-end products.

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Abstract

The water-based single-coating vacuum coating finish paint comprises the following components in parts by weight: 20-40 parts of ten-functional polyurethane acrylate; 20 to 40 parts of macromolecular polyurethane acrylate with fifteen functionality; 0.1 to 10 parts of a solvent; 0.1 to 10 parts of water-soluble nano cellulose; and 0.1-5 parts of an additive. The water-based vacuum coating finish paint disclosed by the invention has excellent scratch resistance and stable adhesive force. The invention also provides a method for preparing the water-based vacuum coating finish paint.
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