玻璃钢 -陶瓷复合材料同时兼顾玻璃钢和陶瓷的优点,有望满足轨交车辆轻量化、长寿命、高安全性的需求。本文通过涂层配方设计,开发了玻璃钢表面用陶瓷复合涂层,研究了增韧乳液的种类和用量对陶瓷涂层性能的影响。结果表明:涂层具有优良的附着力、光泽、耐沾污性、耐磨擦性能等;陶瓷涂层可以通过物理屏蔽的方式显著降低玻璃钢制品高温下的热释放速率和烟毒性;陶瓷涂层的耐磨性与其硬度并非简单的正相关关系,适度赋予陶瓷涂层一定的柔韧性反而比单纯增加涂层硬度更有利于涂层耐磨性的提高。最后,以玻璃钢座椅作为涂装对象,研究了涂装工艺对玻璃钢异形件产品外观的影响,总结出了合适的涂装方法。
The FRP-ceramic composites have the advantages of both FRP and ceramics, which can meet the requirement of railway vehicles,such as lightweight,long-service-life and high security. High performance ceramic composite coatings for glass fiber reinforced plastics(FRP) was developed and formulated. The effect of types and amount of flexibility-enhancement latex on the properties of ceramic composite coatings was investigated. This coatings provided not only strong adhesion,high gloss,excellent contamination resistance and wear-resistant properties,but also the ability to decrease the heat release rate and toxic gas release rate of FRP at high temperature. It was found that no simple positive correlation existed between the wear-resistance and the hardness of coatings. Instead,ceramic coatings with properly designed flexibility was more preferent for wearproof than that with higher hardness.Finally,how the application process affected the product appearance of irregular FRP seats was studied to provide a proper application technology.
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