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    • 5. 发明授权
    • Process for preparing fluoropolymer
    • 制备含氟聚合物的方法
    • US07566762B2
    • 2009-07-28
    • US10584710
    • 2004-12-22
    • Masao OtsukaSatoshi TokunoKatsuya Nakai
    • Masao OtsukaSatoshi TokunoKatsuya Nakai
    • C08F2/00
    • C08F214/225C08F14/06
    • The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant represented by the formula (1): (wherein R1 and R2 may be the same or different respectively, and represent an alkyl group or an alkenyl group, R3 is a hydrogen atom, an alkyl group or an alkenyl group, the total carbon number of R1 to R3 is 2 to 25, L− is a group represented by —SO3−, —OSO3−, —PO3−, —OPO3− or —COO−, and M+ is a monovalent cation). Thereby, polymerization can be carried out with excellent production efficiency in the presence of a small amount of a surfactant, and a fluoropolymer can be prepared without lowering various physical properties such as water resistance by the surfactant.
    • 本发明涉及一种制备含有至少一种氟代烯烃的含氟聚合物的方法,其包括在式(1)表示的表面活性剂存在下进行聚合:(其中R1和R2可分别相同或不同) 表示烷基或烯基,R 3为氢原子,烷基或烯基,R 1〜R 3的总碳数为2〜25,L为-SO 3 - , - OSO 3 - , - PO 3 - , - OPO 3 - 或-COO-,M +是一价阳离子)。 因此,可以在少量表面活性剂的存在下以优异的生产效率进行聚合,并且可以在不降低表面活性剂等各种物理性能如耐水性的情况下制备含氟聚合物。
    • 6. 发明申请
    • Process for preparing fluoropolymer
    • 制备含氟聚合物的方法
    • US20070149733A1
    • 2007-06-28
    • US10584710
    • 2004-12-22
    • Masao OtsukaSatoshi TokunoKatsuya Nakai
    • Masao OtsukaSatoshi TokunoKatsuya Nakai
    • C08F214/18
    • C08F214/225C08F14/06
    • The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant represented by the formula (1): (wherein R1 and R2 may be the same or different respectively, and represent an alkyl group or an alkenyl group, R3 is a hydrogen atom, an alkyl group or an alkenyl group, the total carbon number of R1 to R3 is 2 to 25, L− is a group represented by —SO3−, —OSO3−, —PO3−, —OPO3− or —COO−, and M+ is a monovalent cation). Thereby, polymerization can be carried out with excellent production efficiency in the presence of a small amount of a surfactant, and a fluoropolymer can be prepared without lowering various physical properties such as water resistance by the surfactant.
    • 本发明涉及制备含有至少一种氟代烯烃的含氟聚合物的方法,该方法包括在式(1)表示的表面活性剂存在下进行聚合:其中R 1和 R 2可以相同或不同,并且表示烷基或烯基,R 3是氢原子,烷基或烯基, R 1〜R 3的总碳数为2〜25,L为 - 3个-SO 3 - 表示的基团, 3 ,-OS 3 ,-PO 3 - , - - OPO 3 或-COO - SUP,而M + +是一价阳离子)。 因此,可以在少量表面活性剂的存在下以优异的生产效率进行聚合,并且可以在不降低表面活性剂等各种物理性能如耐水性的情况下制备含氟聚合物。