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Patent Searching and Data


Title:
スルホン酸塩の製造方法
Document Type and Number:
Japanese Patent JP7136569
Kind Code:
B2
Abstract:
To provide a production method of fluorine-containing sulfonate, which has less side reaction and is suitable for industrial production.SOLUTION: A production method of a sulfonate of the present invention is a method of saponifying a fluorine-containing vinyl monomer expressed by a formula (1) or a formula (2), by adding an alkaline aqueous solution under the presence of an organic solvent, in which the organic solvent is an organic solvent selected from the group consisting of alcohol having 3 to 5 carbons, ketone having 3 to 6 carbons, and cyclic ether having 3 to 5 carbons, and 50 to 150 pts.mass of the organic solvent is used relative to 100 pts.mass of the fluorine-containing vinyl monomer.SELECTED DRAWING: None

Inventors:
Yasuhiro Nagato
Watanabe Akira
Yoshiki Miyamoto
Application Number:
JP2018046936A
Publication Date:
September 13, 2022
Filing Date:
March 14, 2018
Export Citation:
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Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
C07C303/02; C07C309/10
Domestic Patent References:
JP41007949B1
JP11291627A
JP2008545789A
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Koichiro Kami
Takao Inoue