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    • 10. 发明申请
    • SPHERICAL ORGANIC POLYMER-SILICON COMPOUND COMPOSITE PARTICLES, HOLLOW PARTICLES AND THEIR PRODUCTION METHODS
    • 球形有机聚合物 - 硅化合物复合颗粒,中空颗粒及其生产方法
    • US20120164052A1
    • 2012-06-28
    • US13412790
    • 2012-03-06
    • Takashi KawasakiMotoharu FukazawaIsao Sugimoto
    • Takashi KawasakiMotoharu FukazawaIsao Sugimoto
    • C01B33/12
    • C01B33/02Y10T428/2993
    • The present invention is to provide hollow particles with a low degree of agglomeration and having a high roundness, and a process for producing them. Hollow particles comprising a silicon compound, having an average particle size of from 5 to 65 nm and an average roundness of at least 0.90, and having a shell comprising the silicon compound and having a thickness of from 1 to 20 nm. Further, a method for producing hollow particles, which comprises adding sulfuric acid to a liquid containing spherical organic polymer-silicon compound composite particles having a core comprising an organic polymer and a shell comprising a silicon compound in a medium containing at least 95 mass % of water, followed by heating to carbonize the organic polymer thereby to convert it to a carbide, and subjecting the carbide to decomposition using a liquid oxidizing agent other than sulfuric acid.
    • 本发明提供具有低聚集度和高圆度的中空颗粒及其制备方法。 包含平均粒度为5〜65nm,平均圆度为0.90以上的硅化合物的中空粒子,具有硅化合物的外壳,厚度为1〜20nm。 另外,制造中空粒子的方法包括在含有球状有机聚合物 - 硅化合物复合颗粒的液体中加入硫酸,所述球形有机聚合物 - 硅化合物复合颗粒在含有至少95质量% 水,然后加热以碳化有机聚合物,从而将其转化为碳化物,并且使用硫酸以外的液体氧化剂对碳化物进行分解。