发明名称 |
Method for preparing a heteropolyacid catalyst from basic solvent treatments and method for preparing methacrylic acid using thereof |
摘要 |
The present invention relates to a method for preparing a heteropolyacid catalyst and method for preparing methacrylic acid using thereof. More particularly, the present invention relates to a method for preparing heteropolyacid catalyst, which is produced by the recrystallization of a heteropolyacid and/or its salt dissolved in a basic organic solvent and heat-treatment, and further to a method for preparing metachrylic acid using thereof, wherein the use of the heteropolyacid catalyst increases the activity of oxidation reaction induced by the modified electronic properties of heteropolyanions and provides high efficiency production of methacrylic acid from methacrolein, since the basic property of solvent inhibits peculiar acidic property of heteropolyacid.
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申请公布号 |
US2003233014(A1) |
申请公布日期 |
2003.12.18 |
申请号 |
US20030452220 |
申请日期 |
2003.06.03 |
申请人 |
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY. |
发明人 |
CHUN MYUNG-SUK;SONG IN KYU;NAM SUK WOO |
分类号 |
B01J37/08;B01J27/14;B01J27/188;B01J37/03;B01J38/68;C07C51/235;C07C51/25;(IPC1-7):C07C51/235;B01J21/12;B01J21/14;B01J21/08 |
主分类号 |
B01J37/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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