A cured coating for plastic track surfaces and a method of making the same

By leveraging the synergistic effect of modified aliphatic polyurethane resin, modified inorganic filler, and nano-zinc oxide-polydopamine grafted composite, the problems of insufficient weather resistance and adhesion of plastic track surface coatings were solved, achieving high wear resistance and long-lasting protective effects.

CN122405136APending Publication Date: 2026-07-17GUANGDONG LEADING NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG LEADING NEW MATERIAL TECH CO LTD
Filing Date
2026-06-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing plastic running track surface coatings are insufficient in weather resistance, adhesion, and abrasion resistance for outdoor use, and are prone to aging, cracking, and chalking, making it difficult to meet high-standard usage requirements.

Method used

By using modified aliphatic polyurethane resin, modified inorganic filler, and nano zinc oxide-polydopamine grafted composite, along with weather-resistant and functional additives, a multi-dimensional synergistic coating system is formed by improving the resin molecular chain structure, enhancing interfacial bonding, and providing UV shielding.

Benefits of technology

It significantly improves the coating's weather resistance, aging resistance, and mechanical properties, extending the service life of plastic running tracks and making them suitable for long-term outdoor use.

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Abstract

The present application relates to the field of advanced petrochemical chemical new material technology, concretely is a kind of for plastic runway surface weather resistance curing coating and its preparation method, including the following components: modified aliphatic polyurethane resin, modified inorganic filler, weathering aid, functional aid, diluent, nano zinc oxide-polydopamine grafting compound, the components of the present application and preparation process form multidimensional synergistic effect: modified aliphatic polyurethane resin provides stable film formation and interface combination, modified inorganic filler provides mechanical enhancement and structural support, nano zinc oxide-polydopamine grafting compound provides core ultraviolet shielding, weathering aid and functional aid provide auxiliary stabilization and construction optimization.The overall technical scheme systematically improves coating performance from resin molecular structure, filler interface combination, ultraviolet protection mechanism, synergistic aid system and other aspects, so that the obtained curing coating simultaneously has excellent weather resistance, high adhesion, high hardness and good wear resistance.
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