发明名称 |
METHOD FOR PRODUCING PHOSPHONIC ACID METAL SALT FINE PARTICLES |
摘要 |
There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 µm or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I):
(where R 1 and R 2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c). |
申请公布号 |
EP2431374(B1) |
申请公布日期 |
2016.03.30 |
申请号 |
EP20100774935 |
申请日期 |
2010.05.12 |
申请人 |
NISSAN CHEMICAL INDUSTRIES, LTD. |
发明人 |
SUWA, TAKESHI;HAYASHI, HISATO;OZAWA, MASAAKI |
分类号 |
C07F9/38;C08K5/5317;C08L67/04 |
主分类号 |
C07F9/38 |
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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