一种轨道交通透明阻燃PC组合物及其制备方法和应用
By using high epoxy equivalent phosphorus-containing epoxy acrylate and sol-gel silica as carbon-forming centers in rail transit products, and combining them with a variety of flame retardants, the problem of balancing transparent flame retardant properties in rail transit products has been solved, achieving good transparency and flame retardant effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANGHAI PINCHENG HLDG GRP CO LTD
- Filing Date
- 2026-06-17
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies struggle to achieve a balance between high transparency and flame retardancy in rail transit products, especially while maintaining good light transmittance to meet stringent environmental requirements and flame retardancy.
A transparent flame-retardant PC composition for rail transit was prepared in a twin-screw extruder using a blending process with high epoxy equivalent phosphorus-containing epoxy acrylate and sol-gel silica as carbon-forming centers, combined with a compound of phosphorus-based flame retardants, organosilicon flame retardants and polymeric flame retardants.
It effectively prevents PC resin degradation, slows down smoke density release, maintains good transparency and flame retardant properties, meets the flame retardant standards for rail transit, and reduces the impact of light transmittance.
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Abstract
Citation Information
Patent Citations
A high-transparency, low-YI-value halogen-free flame-retardant PC material and its preparation method
CN113583421B