| 发明名称 | Method for producing aqueous polytetrafluoroethylene dispersion | ||
| 摘要 | The present invention aims to provide a novel method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles. The present invention relates to a method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles, the method including polymerizing tetrafluoroethylene in an aqueous medium in the presence of perfluoro hexanoic acid or its salt. | ||
| 申请公布号 | US9580590(B2) | 申请公布日期 | 2017.02.28 |
| 申请号 | US201214239910 | 申请日期 | 2012.08.27 |
| 申请人 | DAIKIN INDUSTRIES, LTD. | 发明人 | Taira Takahiro;Yamanaka Taku;Nanba Yoshinori;Tanaka Atsuko;Ono Makoto;Tsuda Nobuhiko;Kato Taketo |
| 分类号 | C08F14/26;C08F214/26;C08L27/18;C08F114/26;C08F2/24;C08F2/22;C08F2/30;C08F2/26 | 主分类号 | C08F14/26 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A method for producing an aqueous dispersion containing non-melt-processable polytetrafluoroethylene particles, the method comprising polymerizing tetrafluoroethylene in an aqueous medium in the presence of perfluoro hexanoic acid or its salt, wherein tetrafluoroethylene is polymerized further in the presence of a nonionic surfactant (2), wherein the nonionic surfactant (2) is a fluorine-free nonionic surfactant. | ||
| 地址 | Osaka JP | ||