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    • 18. 发明授权
    • Antifouling composition, process for its production and article treated therewith
    • 防污组合物,其生产方法和用其处理的物品
    • US08507580B2
    • 2013-08-13
    • US12913900
    • 2010-10-28
    • Hiroyuki HaraShuichiro SugimotoTakao Hirono
    • Hiroyuki HaraShuichiro SugimotoTakao Hirono
    • C08L27/12C08K5/05
    • D06M15/277C08F214/06C08F220/22C08F220/58C08F222/14C08F2220/1891
    • To provide a process for efficiently producing a fluorine type antifouling composition employing a short chain Rf group, which can be made in the form of an aqueous dispersion containing substantially no volatile organic solvent and has a good soil release property (SR property).A process for producing an antifouling composition, which comprises a step of subjecting monomer components (Z) comprising from 30 to 80 mass % of a monomer (a) having a polyfluoroalkyl group in which the number of carbon atoms to which fluorine atoms are bonded is from 4 to 6, and from 20 to 70 mass % of a monomer (b) having no polyfluoroalkyl group and having a hydrophilic group, to solution polymerization in a volatile organic solvent having a boiling point of at most 100° C. in the presence of a surfactant (c) comprising an ethylene oxide adduct of 2,4,7,9-tetramethyl-5-decyne-4,7-diol to form a fluorocopolymer (A), and a step of volatilizing the volatile organic solvent after the solution polymerization and adding an aqueous medium to form an aqueous dispersion.
    • 为了提供一种能够有效地制造使用短链Rf基的氟型防污组合物的方法,其可以基本上不含挥发性有机溶剂的水性分散体的形式制备并且具有良好的去污性能(SR性能)。 一种防污组合物的制造方法,其特征在于,包括含有30〜80质量%的具有与氟原子键合的碳原子数的多氟烷基的单体(a)的单体成分(Z)的工序是 4〜6质量%,20〜70质量%的不具有多氟烷基且具有亲水性基团的单体(b)在沸点为100℃以下的挥发性有机溶剂中进行溶液聚合, 包含2,4,7,9-四甲基-5-癸炔-4,7-二醇的环氧乙烷加合物以形成含氟共聚物(A)的表面活性剂(c),以及在溶液之后使挥发性有机溶剂挥发的步骤 聚合并加入水性介质以形成水分散体。