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    • 4. 发明申请
    • METHOD FOR PREPARATION OF BIOACTIVE GLASS COATINGS BY LIQUID PRECURSOR THERMAL SPRAY
    • 通过液体前驱体热喷涂制备生物玻璃涂料的方法
    • US20120058250A1
    • 2012-03-08
    • US13318925
    • 2009-07-10
    • Fang WuYanfeng XiaoLei SongXiaoguang LiuYi HuangTao HuangJiamin Feng
    • Fang WuYanfeng XiaoLei SongXiaoguang LiuYi HuangTao HuangJiamin Feng
    • A61L27/30A61L27/32
    • C23C4/121A61L27/32A61L2420/02C03C1/008C03C3/062C03C3/097C03C3/112C03C4/0007C23C4/123C23C18/1212C23C18/1245C23C18/1254C23C18/1258
    • The present invention belongs to the field of biomedical material, and is particularly related to a method of preparing bioactive glass coatings by liquid precursor thermal spray. The objective of the present invention is to overcome the shortcomings of the air plasma spraying where the powder feedstock preparation is complicated and time-consuming, and sol-gel or other wet chemistry method where the synthesized coating generally has thin coating thickness and with low production efficiency. Therefore, a new method is provided for preparation of bioactive glass coatings. In this method, organic and inorganic raw materials were first weighed in accordance with the chemical composition of bioactive glasses, and sol or suspension was prepared; then the sol or suspension was used as the feedstock for thermal spray, and was deposited on the biomedical materials substrate, at high temperature to form the bioactive glass coating. The invention possesses the following advantages: simple operation, less complicated procedures, synthesis with high efficiency, low production cost, suitable for industrial production, and so on. This method can be used to prepare bioactive glass coatings.
    • 本发明属于生物医学材料领域,特别涉及通过液体前体热喷涂制备生物活性玻璃涂层的方法。 本发明的目的是克服粉末原料制备复杂和耗时的空气等离子体喷涂的缺点,以及合成涂层通常具有薄的涂层厚度和低生产量的溶胶 - 凝胶或其它湿法化学方法 效率。 因此,提供了用于制备生物活性玻璃涂层的新方法。 在该方法中,首先根据生物活性玻璃的化学成分称量有机和无机原料,制备溶胶或悬浮液; 然后将溶胶或悬浮液用作热喷涂的原料,并在高温下沉积在生物医学材料基材上以形成生物活性玻璃涂层。 本发明具有操作简单,程序复杂程度低,合成效率高,生产成本低,适合工业生产等优点。 该方法可用于制备生物活性玻璃涂层。