Scratch-resistant coating, decorative film and method for producing the same

By combining the scratch-resistant coating layer with the polypropylene composite substrate, the problem of insufficient scratch resistance of polypropylene decorative film coating is solved, resulting in a decorative film with high hardness and self-healing properties, thus improving scratch resistance and aesthetic appeal.

CN122213837APending Publication Date: 2026-06-16LUCKY FILM CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-23
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

The existing polypropylene decorative film coating has insufficient scratch resistance, making the surface easily scratched and affecting the product's appearance quality.

Method used

A scratch-resistant coating is used, which consists of a cross-linked network composed of intrinsic self-healing polyurethane resin, fluorosilicone resin, acrylate and reactive polysiloxane hardening and scratch-resistant agent, forming a coating with high hardness and self-healing ability. This coating is then combined with a polypropylene composite substrate and an adhesive layer to prepare a decorative film.

Benefits of technology

It improves the scratch resistance and self-healing ability of the decorative film, prolongs the aesthetic effect of the decorative film surface, and enhances its wear resistance and stain resistance.

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Abstract

The application relates to the field of decorative materials, and discloses a scratch-resistant coating, a decorative film and a preparation method of the scratch-resistant coating. The scratch-resistant coating comprises, in mass fractions, 20-30 parts of intrinsic self-repairing polyurethane resin, 5-15 parts of acrylate, 1-4 parts of fluorosilicon resin, 2-5 parts of reactive spherical matting agent, 0.3-0.5 parts of reactive polysiloxane hardening scratch-resistant agent, 7-10 parts of curing agent and 40-50 parts of solvent. The coating prepared has high scratch resistance.
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