Invention Grant
- Patent Title: Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, 2-acyloxycarboxylic acid derivative, and surface active agent.
- Patent Title (中): 含氟聚合物的制造方法，含氟聚合物的水分散体，2-酰氧基羧酸衍生物和表面活性剂。
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Application No.: US12494208Application Date: 2009-06-29
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Publication No.: US07754796B2Publication Date: 2010-07-13
- Inventor: Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
- Applicant: Nobuhiko Tsuda , Yoshihiro Yamamoto , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
- Applicant Address: JP Osaka
- Assignee: Daikin Industries, Ltd.
- Current Assignee: Daikin Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: Sughrue Mion, PLLC
- Priority: JP2003-275581 20030716; JP2003-275582 20030716
- Main IPC: C08K5/09
- IPC: C08K5/09 ; C08K5/10 ; C08F2/26 ; C08F14/18 ; C08G73/24
Abstract:
The present invention provides a method of producing a fluoropolymer, wherein polymerization using a carboxylate ester bond-containing carboxylic acid derivative as a surfactant in an aqueous medium to give the fluoropolymer is conducted, the above carboxylate ester bond-containing carboxylic acid derivative has a carboxylate ester bond and —COOM (M representing H, NH4, Li, Na or K), the above carboxylate ester bond may optionally be substituted by fluorine atom.
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