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发明公开
CN108034340A 高耐候性汽车罩用粉末涂料及其制备方法 无效 - 驳回

高耐候性汽车罩用粉末涂料及其制备方法
摘要：
本发明公开了一种高耐候性汽车罩用粉末涂料的制备方法，该制备方法包括：先将端羧基聚酯树脂、丙烯酸树脂、填料、稳定剂、颜料和流平剂预混5‑10min后进行搅拌得到混合物M1，将混合物M1熔融挤出、压片制得片料，将片料进行研磨过筛制得所述高耐候性粉末涂料。该高耐候性粉末涂料的制备工艺简单，可批量生产；且用高耐候性粉末涂料具有稳定性高、耐热性高、耐老化等一系列优异的耐候性能；能长时间保持涂料的美观等使用效果。
摘要（英）：

The invention discloses a preparation method of a high-weather resistant automobile cover powder coating. The preparation method comprises the following steps: firstly, premixing a terminal carboxyl polyester resin, an acrylic resin, packing, a stabilizer, a pigment and a leveling agent for 5-10 minutes, and stirring so as to obtain a mixture M1; performing melting extrusion and tabletting on themixture M1 so as to obtain a flaky material; grinding and screening the flaky material, thereby obtaining the high-weather resistant automobile cover powder coating, The high-weather resistant automobile cover powder coating is simple in preparation process, can be produced on scale, in addition, has a series of excellent weather resistance properties of high stability, high thermal resistance, good aging resistance, and the like, and has the use effects that the attractiveness of the coating can be maintained for a long time, and the like.

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