Process for producing fluorine-containing combined salt

Patent metadata

Field	Value
Publication number	US-9556037-B2
Application number	US-201214113156-A
Country	US
Kind code	B2
Filing date	Apr 11, 2012
Priority date	Apr 22, 2011
Publication date	Jan 31, 2017
Grant date	Jan 31, 2017

Abstract

Disclosed is a process for producing a fluorine-containing complex salt, characterized by that, on a reaction mother liquor containing a plurality of cation species and a fluoroanion in a state that they have been dissolved in a solvent, a trigger for accelerating decomposition of the fluoroanion is allowed to act, thereby precipitating a complex salt containing a plurality of cation species and fluorine, as a solid, from the reaction mother liquor. According to this process, it is possible to produce a monodispersed fluorine-containing complex salt with uniform particle size and shape.

First claim

The invention claimed is:

1. A process for producing a fluorine-containing complex salt comprising the step of triggering a reaction on a reaction mother liquor containing a plurality of cation species and a fluoroanion in a state that they have been dissolved in a solvent, wherein triggering the reaction applies energy to the reaction mother liquor, changes acidity of the reaction mother liquor, or both, thereby accelerating decomposition of the fluoroanion and precipitating a complex salt containing a plurality of cation species and fluorine, as a solid, from the reaction mother liquor,
wherein the fluoroanion has an A-F bond, wherein A is at least one element selected from the group consisting of Al, Ti, B, Si, P, S, As, Se, Sb and Te.

2. The process for producing a fluorine-containing complex salt as claimed in claim 1 , wherein at least one species of the plurality of cation species is a monovalent cation of an element of group 1, an at least divalent cation of an element of group 2, or an at least trivalent cation of an element of group 3 to group 13.

3. The process for producing a fluorine-containing complex salt as claimed in claim 1 , wherein the fluoroanion is at least one selected from the group consisting of TiF 6 2− , AlF 6 3− , BF 4 − , SiF 6 2− , PF 6 − , PO 3 F 2 − , PO 2 F 2 − , and SO 3 F − .

4. The process for producing a fluorine-containing complex salt as claimed in claim 1 , wherein the substance for changing acidity of the reaction mother liquor is at least one selected from the group consisting of an acid, a base, and a chemical species that generates an acid or base by applying energy.

Assignees

• Tamura Tetsuya
• Central Glass Co Ltd

Inventors

• Tamura Tetsuya

Classifications

• C01D15/04 Primary

  Halides · CPC title

• C01P2004/03

  obtained by SEM · CPC title

• C01G1/06

  Halides · CPC title

• C01G49/009

  Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements · CPC title

• C01P2004/52

  highly monodisperse size distribution · CPC title