Title:
含フッ素エーテルの回収方法
Document Type and Number:
Japanese Patent JP5569660
Kind Code:
B1
Abstract:
An object of the present invention is to provide a method for recovering a fluorine-containing ether capable of recovering a fluorine-containing ether used for producing a fluoropolymer, in higher recovery yield and in a shorter time. The present invention relates to a method for recovering a fluorine-containing ether, including the steps of: producing a wet fluoropolymer by suspension polymerization, solution polymerization, or bulk polymerization in the presence of at least a specific fluorine-containing ether; vaporizing and discharging vaporizable substances including the fluorine-containing ether by heating the wet fluoropolymer in a container; and transferring the vaporizable substances in the vaporized state to a cooling means to cool the vaporizable substances.
More Like This:
Inventors:
善家 Yumi
Tadaharu Isaka
Ryoichi Fukagawa
Takeshi Shimono
Tadaharu Isaka
Ryoichi Fukagawa
Takeshi Shimono
Application Number:
JP2014007503A
Publication Date:
August 13, 2014
Filing Date:
January 20, 2014
Export Citation:
Assignee:
Daikin Industries, LTD.
International Classes:
C07C41/34; C08F6/00; C07C43/12; C08F14/00
Domestic Patent References:
| JP2006002136A | 2006-01-05 | |||
| JP2003524675A | 2003-08-19 | |||
| JP2006504844A | 2006-02-09 | |||
| JP2005029704A | 2005-02-03 | |||
| JPH07504224A | 1995-05-11 | |||
| JP2010501673A | 2010-01-21 | |||
| JPH11235720A | 1999-08-31 | |||
| JP2006002136A | 2006-01-05 | |||
| JP2003524675A | 2003-08-19 | |||
| JP2006504844A | 2006-02-09 |
Other References:
JPN5001024361; ＧＲＥＮＦＥＬＬ Ｍ Ｗ: 'Ｈｙｄｒｏｆｌｕｏｒｏｅｔｈｅｒｓ ａｓ Ｆｌｕｏｒｏｍｏｎｏｍｅｒ Ｒｅａｃｔｉｏｎ Ｍｅｄｉａ' ＲＥＳＥＡＲＣＨ ＤＩＳＣＬＯＳＵＲＥ Ｎ４０５, 199801, Ｐ８１-８２, ＩＮＤＵＳＴＲＩＡＬ ＯＰＰＯＲＴＵＮＩＴＩＥＳ ＬＴＤ
Attorney, Agent or Firm:
Patent business corporation Yasutomi international patent firm