发明名称 |
RECOVERY METHOD FOR ANIONIC FLUORINE-CONTAINING EMULSIFIER |
摘要 |
To provide a method for recovering an acid of an anionic fluorinated emulsifier with a high yield from a basic ion exchange resin having a nonionic surfactant physically adsorbed thereon and having the anionic fluorinated emulsifier adsorbed thereon. A method for eluting and recovering an acid of an anionic fluorinated emulsifier from a basic ion exchange resin having a nonionic surfactant physically adsorbed thereon and having the anionic fluorinated emulsifier adsorbed thereon, which comprises a step (1) of bringing the basic ion exchange resin into contact with a water-soluble organic solvent and a step (2) of recovering the acid of the anionic fluorinated emulsifier from the basic ion exchange resin from which the ionic surfactant is eluted in the step (1). |
申请公布号 |
EP3127602(A1) |
申请公布日期 |
2017.02.08 |
申请号 |
EP20150772962 |
申请日期 |
2015.03.30 |
申请人 |
Asahi Glass Company, Limited |
发明人 |
TAKAZAWA, Masahiro;AIDA, Shigeru |
分类号 |
B01F17/42;B01J41/04;B01J49/00;C07C51/347;C07C51/487;C07C59/135 |
主分类号 |
B01F17/42 |
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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