碳纤维复合材料热防护涂层的研究

Study on heat-resistant coating of carbon fiber composite

以环氧改性有机硅树脂为基料,配以金属氧化物和硅酸盐类填料,制备了可用于碳纤维复合材料的耐高温抗烧蚀涂层。该热防护涂层导热系数为0.235W/(m·℃),氧-乙炔线烧蚀率为0.278mm/s,质量烧蚀率为0.0758g/s,附着力良好,且具有优良的隔热性能。

A kind of heat-resistant and ablation-resistant epoxy modified silicone coating was prepared.It can be applied to carbon fiber composites.The coating was made by mixing epoxy modified silicone resin,metallic oxides and silicates.The performance of coating was excellent,its conductivity was 0.235W/（m·℃）,line ablation rate was 0.278mm/s,mass ablation rate was 0.0758g/s.The coating had good adhesion and heat-resistant property as well.