Title:
含フッ素乳化剤の回収方法
Document Type and Number:
Japanese Patent JP6477481
Kind Code:
B2
Abstract:
To provide a method for recovering, from a liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, the fluorinated emulsifier easily and efficiently. A liquid to be treated containing a fluorinated polymer and a fluorinated emulsifier, and a strongly basic anion exchange resin having an ion exchange capacity of at most 1.0 eq/L and a water content of at least 60 mass%, are brought into contact with each other, so that the fluorinated emulsifier is adsorbed on the strongly basic anion exchange resin, whereby the fluorinated emulsifier is recovered from the liquid to be treated.
Inventors:
Satoshi Otsuji
Mizuna Toyota
Mizuna Toyota
Application Number:
JP2015541575A
Publication Date:
March 06, 2019
Filing Date:
October 06, 2014
Export Citation:
Assignee:
AGC Inc.
International Classes:
C02F1/42; B01J41/05; B01J41/14; B01J41/16; B01J49/57
Domestic Patent References:
| JP2013017935A | ||||
| JP2003505223A |
Foreign References:
| WO2013038990A1 | ||||
| WO2012043870A1 |
Other References:
ダイヤイオン イオン交換樹脂・合成吸着剤マニュアルI 基礎編、第5版、三菱化成株式会社、平成4年6月1日、52-56頁、62-63頁、138-139頁、160-163頁
Attorney, Agent or Firm:
Shiga International Patent Office