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Inventor:

魏可镁 (魏可镁.) [1] | 郑勇 (郑勇.) [2] (Scholars:郑勇) | 郑瑛 (郑瑛.) [3] | 王榕 (王榕.) [4] (Scholars:王榕)

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incoPat

Abstract:

本发明提供一种低温合成碳化硅的原料配方及方法,该原料配方为:蔗糖,乙醇水溶液,硝酸铁,正硅酸乙酯,酸催化剂;步骤为:将蔗糖溶于乙醇水溶液中,加入硝酸铁,同时滴加正硅酸乙酯和酸催化剂制备成碳化硅前驱体干凝胶;将干胶置于真空石墨炉中碳热还原制备碳化硅,将样品冷却至室温并在空气中处理数小时,用氢氟酸和硝酸的混合溶液洗涤,水洗、过滤、烘干,得到纯的碳化硅。本发明合成碳化硅所需的最低反应温度可降为850℃,与现有技术相比,本发明的反应温度低,因此耗能少;所采用的原料来源容易,价格低廉,有利于降低生产成本,所需的设备简单,操作易行,容易实现规模生产合成。

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Patent Info :

Type: 发明授权

Patent No.: CN200710008663.8

Filing Date: 2007/3/7

Publication Date: 2008/12/17

Pub. No.: CN100443405C

公开国别: CN

Applicants: 福州大学

Legal Status: 未缴年费

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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