发明授权
- 专利标题： Aqueous tetrafluoroethylene polymer dispersion, process for producing the same, tetrafluoroethylene polymer powder, and molded tetrafluoroethylene polymer
- 专利标题（中）： 四氟乙烯聚合物水分散体，其制备方法，四氟乙烯聚合物粉末和四氟乙烯聚合物
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申请号： US13599986申请日： 2012-08-30
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公开(公告)号： US09096701B2公开(公告)日： 2015-08-04
- 发明人: Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
- 申请人： Nobuhiko Tsuda , Yoshinori Nanba , Yasuhiko Sawada , Tetsuo Shimizu
- 申请人地址： JP Osaka
- 专利权人： DAIKIN INDUSTRIES, LTD.
- 当前专利权人： DAIKIN INDUSTRIES, LTD.
- 当前专利权人地址： JP Osaka
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2003-362500 20031022
- 主分类号： C08F214/26
- IPC分类号： C08F214/26 ; C08F14/26
摘要：
The present invention provides a tetrafluoroethylene polymer aqueous dispersion obtained by carrying out a TFE polymerization in an aqueous medium in the presence of a fluorovinyl group-containing emulsifier, wherein the TFE polymer aqueous dispersion contains a particle comprising a TFE polymer dispersed in the aqueous medium, the fluorovinyl group-containing emulsifier comprises a fluorovinyl group-containing compound, and the TFE polymer aqueous dispersion has a fluorine-containing surfactant content of not higher than 1000 ppm by mass.
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