Wear-resistant reflective hot-melt road marking coating and preparation process thereof

By combining diamond-zinc oxide whisker composites with rare earth-doped barium titanate phosphors, a wear-resistant reflective coating is formed, which solves the problems of insufficient wear resistance and reflectivity of hot-melt road marking paints, improves the compressive strength and nighttime visibility of the markings, and ensures driving safety at night.

CN120966336AInactive Publication Date: 2025-11-18JIANGXI TRANSPORT CONSULTATION +2
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Patent Information

Application Number
CN202511098870.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2025-11-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing hot-melt road marking paints have shortcomings in terms of wear resistance and nighttime visibility. They are prone to cracking and wear, and their reflective effect is greatly affected by the light source and environment. In particular, their visibility is poor in the dark or humid environment, which affects nighttime driving safety.

Method used

A densely packed network of diamond-zinc oxide whisker composites is formed, and the reflectivity is improved by barium titanate phosphor doped with rare earth ions. Hydrophobic modification is used to suppress rainwater penetration. Combined with photoluminescent energy storage reflective microspheres and composites with specific particle sizes, a wear-resistant reflective coating is formed.

Benefits of technology

It significantly improves the wear resistance and nighttime visibility of the coating, enhances the compressive strength and reflectivity of the road markings, and improves nighttime driving safety and service life.

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Abstract

The invention provides a wear-resistant reflective hot-melt road marking coating and a preparation process thereof, and belongs to the technical field of road marking coatings. The preparation process comprises the following steps: preparing a diamond-zinc oxide whisker complex; preparing the enhanced wear-resistant framework material; preparing the light-induced energy storage type reflective micro-beads; and preparing the road marking paint. Cracking of the coating is inhibited through a rigid-flexible structure, impact toughness is improved, and wear resistance is enhanced through particle size grading filling; the rare earth doped fluorescent powder has self-luminous and reflective double warning functions, and the core-shell coating layer improves stability and reflective efficiency. A low-surface-energy protective layer is formed through hydrophobic modification, rainwater and salt erosion is resisted, and the service life of the marking line is prolonged.
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