一种低VOC车用安全气囊盖板用TPO材料

By leveraging the synergistic effect of thermoplastic polyolefin elastomers, hyperbranched polyester-grafted acrylate copolymers, and silanized hindered amine light stabilizers, the problems of VOC release, mechanical properties, and weather resistance in automotive airbag cover materials were solved, achieving the preparation of materials with low VOC, excellent mechanical properties, and good weather resistance.

CN122037345BActive Publication Date: 2026-07-17NANJING YUEBEIST NEW MATERIALS TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING YUEBEIST NEW MATERIALS TECH CO LTD
Filing Date
2026-04-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing automotive airbag cover materials have high volatile organic compound release rates during production and use, insufficient mechanical properties, poor weather resistance, and are difficult to meet stringent environmental and safety standards.

Method used

A low-VOC TPO material for automotive airbag covers was prepared by physical blending, melt composite and interfacial interaction using components such as thermoplastic polyolefin elastomer, copolymerized polypropylene, hyperbranched polyester grafted acrylate copolymer, silanized hindered amine light stabilizer, ethylene-octene copolymer, talc, antioxidant and carbon black.

Benefits of technology

It significantly reduces the release of volatile organic compounds, improves the mechanical properties and weather resistance of materials, meets environmental standards for automotive interiors, and provides a healthy and comfortable in-vehicle environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure SMS_1
    Figure SMS_1
Patent Text Reader

Abstract

本发明属于高分子材料技术领域,具体涉及一种低VOC车用安全气囊盖板用TPO材料,该材料由热塑性聚烯烃弹性体、共聚聚丙烯、超支化聚酯接枝丙烯酸酯共聚物、硅烷化受阻胺光稳定剂、乙烯辛烯共聚物、滑石粉、抗氧剂、硬脂酸钙和炭黑组成。超支化聚酯接枝丙烯酸酯共聚物通过双三羟甲基丙烷与二羟甲基丙酸缩聚得到端羟基超支化聚酯,再与丙烯酸酯化后和丙烯酸丁酯共聚制得。硅烷化受阻胺光稳定剂通过氨基四甲基哌啶与环氧硅烷开环反应后水解缩聚制得。材料经高速混合、双螺杆挤出造粒、鼓风干燥后注塑成型。本发明材料具有低挥发性有机化合物释放、优异的力学性能和耐候性,适用于汽车安全气囊盖板制造。
Need to check novelty before this filing date? Find Prior Art