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Aluminum oxide water-based coating material, preparation method thereof and method for coating crucible
The invention relates to an aluminum oxide water-based coating material, a preparation method thereof and a method for coating a crucible. The invention discloses a preparation method of an aluminum oxide water-based coating material. The preparation method comprises the following steps of: (1) preparing aluminum hydroxide powder by adopting an alkoxide hydrolysis method; (2) carrying out ultra-high temperature calcination on the aluminum hydroxide powder to obtain aluminum oxide powder; (3) carrying out jet milling on the aluminum oxide powder to obtain aluminum oxide fine powder; and (4) adding high-purity water into the aluminum oxide fine powder, and performing uniform mixing to obtain the aluminum oxide water-based coating material. The invention also discloses the method for coatingthe crucible. According to the aluminum oxide water-based coating material, the preparation method thereof and the method for coating the crucible, the aluminum oxide water-based coating material withhigh purity and strong interface bonding property can be prepared through the alkoxide hydrolysis, ultrahigh-temperature calcination and gas milling processes, and the aluminum oxide water-based coating material can be used for cold coating and hot coating processes.
本发明为一种氧化铝水基涂覆料及其制备方法、涂覆坩埚的方法。一种氧化铝水基涂覆料的制备方法，包括以下步骤：(1)采用醇盐水解法制备氢氧化铝粉；(2)将所述的氢氧化铝粉进行超高温煅烧，得氧化铝粉；(3)将所述的氧化铝粉经过气流磨，得氧化铝细粉；(4)向所述的氧化铝细粉中加入高纯水，混合均匀后，得所述的氧化铝水基涂覆料。本发明还公开了一种涂覆坩埚的方法。本发明所述的一种氧化铝水基涂覆料及其制备方法、涂覆坩埚的方法，通过醇盐水解法、超高温煅烧、气磨工艺，可以制备出纯度高、界面结合性强的氧化铝水基涂覆料，可以用于冷涂覆和热涂覆工艺。
Aluminum oxide water-based coating material, preparation method thereof and method for coating crucible
The invention relates to an aluminum oxide water-based coating material, a preparation method thereof and a method for coating a crucible. The invention discloses a preparation method of an aluminum oxide water-based coating material. The preparation method comprises the following steps of: (1) preparing aluminum hydroxide powder by adopting an alkoxide hydrolysis method; (2) carrying out ultra-high temperature calcination on the aluminum hydroxide powder to obtain aluminum oxide powder; (3) carrying out jet milling on the aluminum oxide powder to obtain aluminum oxide fine powder; and (4) adding high-purity water into the aluminum oxide fine powder, and performing uniform mixing to obtain the aluminum oxide water-based coating material. The invention also discloses the method for coatingthe crucible. According to the aluminum oxide water-based coating material, the preparation method thereof and the method for coating the crucible, the aluminum oxide water-based coating material withhigh purity and strong interface bonding property can be prepared through the alkoxide hydrolysis, ultrahigh-temperature calcination and gas milling processes, and the aluminum oxide water-based coating material can be used for cold coating and hot coating processes.
本发明为一种氧化铝水基涂覆料及其制备方法、涂覆坩埚的方法。一种氧化铝水基涂覆料的制备方法，包括以下步骤：(1)采用醇盐水解法制备氢氧化铝粉；(2)将所述的氢氧化铝粉进行超高温煅烧，得氧化铝粉；(3)将所述的氧化铝粉经过气流磨，得氧化铝细粉；(4)向所述的氧化铝细粉中加入高纯水，混合均匀后，得所述的氧化铝水基涂覆料。本发明还公开了一种涂覆坩埚的方法。本发明所述的一种氧化铝水基涂覆料及其制备方法、涂覆坩埚的方法，通过醇盐水解法、超高温煅烧、气磨工艺，可以制备出纯度高、界面结合性强的氧化铝水基涂覆料，可以用于冷涂覆和热涂覆工艺。
Aluminum oxide water-based coating material, preparation method thereof and method for coating crucible
一种氧化铝水基涂覆料及其制备方法、涂覆坩埚的方法
GAO YANLI (author) / CUI LANHAO (author) / CHEN CHANGKE (author) / SONG TIANLIN (author) / LI YANG (author)
2021-01-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B82Y
Bestimmter Gebrauch oder bestimmte Anwendung von Nanostrukturen
,
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
/
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
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