High-stability weather-resistant prefabricated rubber track and preparation process thereof

By using a three-layer composite structure and gradient vulcanization process, the problems of weather resistance, interlayer stability and compressive strength of precast rubber running tracks have been solved, achieving the preparation of rubber running tracks with high stability and long service life, which are suitable for outdoor sports field paving.

CN122236005APending Publication Date: 2026-06-19YING LI AO (SHANG HAI) TI YU KE JI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YING LI AO (SHANG HAI) TI YU KE JI YOU XIAN GONG SI
Filing Date
2026-03-27
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

Existing precast rubber running tracks have deficiencies in weather resistance, interlayer stability, and compressive strength, leading to problems such as aging, cracking, powdering, interlayer delamination, and decreased flatness. Furthermore, traditional manufacturing processes result in uneven rubber cross-linking, affecting service life and stability.

⚗Method used

It adopts a three-layer composite structure, namely a wear-resistant and weather-resistant top layer, a high-elasticity buffer middle layer, and a stable support bottom layer. Chemical bonding and uniform cross-linking are achieved through interfacial cross-linking agents and gradient vulcanization processes, which improves the interlayer bonding force and the overall performance of the rubber.

🎯Benefits of technology

It significantly improves the runway's weather resistance, interlayer stability, and compressive strength, extends its service life, ensures the long-term stability and performance of the runway in outdoor environments, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a highly stable, weather-resistant precast rubber running track and its manufacturing process, belonging to the field of sports field materials technology. The track is composite-molded from a wear-resistant and weather-resistant surface layer, a highly elastic buffer middle layer, and a stable support bottom layer. The surface layer uses a modified rubber matrix compounded with weather-resistant additives and wear-resistant fillers; the middle layer combines resilience and deformation resistance; and the bottom layer incorporates an anti-slip and stable structure. The three layers are integrally hot-pressed and vulcanized. The manufacturing process optimizes the mixing, vulcanization, and molding steps, introducing gradient vulcanization and interfacial cross-linking processes to improve the interlayer bonding strength, high and low temperature resistance, and aging resistance of the track. This invention solves the problems of easy aging and cracking, interlayer delamination, and deformation instability in traditional precast rubber running tracks. It significantly extends the outdoor service life of the track, maintains stable mechanical properties, is suitable for various outdoor sports fields, and is convenient to construct, environmentally friendly, and odorless.
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