以青铜粉为颜料,环氧改性有机硅树脂为粘合剂,采用喷涂法制备了环氧改性有机硅/青铜复合涂层.研究了热处理温度及热处理时间对所制备涂层外观、微结构、红外发射率及力学性能的影响.结果表明:环氧改性有机硅/青铜复合涂层最高可耐300 c℃高温,在300℃下热处理5h后,涂层外观、微结构保持不变,红外发射率低至0.228,力学性能保持完好,硬度、附着力和耐冲击性分别为4H、l级和50 em.所制备涂层在250℃下可长时间使用,在250℃下热处理100 h后,涂层外观、微结构仍然保持不变,红外发射率可低至0.227,力学性能保持完好,硬度、附着力和耐冲击性分别为4H、1级和50 em.
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