Perfluoroethers
    1.
    发明授权
    Perfluoroethers 失效
    全氟醚

    公开(公告)号:US4149016A

    公开(公告)日:1979-04-10

    申请号:US852114

    申请日:1977-11-16

    CPC classification number: B01J19/123

    Abstract: A method for synthesizing perfluoropolyethers by effecting addition reactions under low temperature photolysis between perfluoroolefins, perfluorodialkyl peroxides and fluoroxyperfluoroalkanes resulting in the snythesis of new compounds.

    Abstract translation: 通过在全氟烯烃,全氟二烷基过氧化物和氟氧全氟烷烃之间的低温光解下进行加成反应合成全氟聚醚的方法,导致新化合物的合成。

    Process for imparting flame retardancy to fabrics
    5.
    发明授权
    Process for imparting flame retardancy to fabrics 失效
    赋予织物阻燃性的方法

    公开(公告)号:US4430089A

    公开(公告)日:1984-02-07

    申请号:US368405

    申请日:1982-04-14

    Abstract: A process for effecting flame retardation of fibrous structures, such as fabrics, particularly fabrics made from mixtures of natural and synthetic fibers, such as cotton and nylon. The process includes the steps of contacting the fabric to be treated with halomonomers and/or inorganic salts, followed by fluorocarbon grafting, and then by photohalogenation. The aforesaid treatment results in fabrics which are not only flame resistant but also have improved hand, manifested by softness, silkiness, and unwettability of the resulting fabric.

    Abstract translation: 纤维结构如织物,特别是由天然和合成纤维(如棉和尼龙)的混合物制成的织物的阻燃的方法。 该方法包括以下步骤:使待处理的织物与卤素单体和/或无机盐接触,随后进行氟碳接枝,然后通过光卤化。 上述处理产生的织物不仅具有阻燃性,而且具有改善的手感,表现为所得织物的柔软性,丝质和不耐受性。

    Method for the preparation of perfluoroethers
    8.
    发明授权
    Method for the preparation of perfluoroethers 失效
    制备全氟醚的方法

    公开(公告)号:US4077857A

    公开(公告)日:1978-03-07

    申请号:US771853

    申请日:1977-02-23

    CPC classification number: B01J19/123

    Abstract: A method for synthesizing perfluoropolyethers by effecting addition reactions under low temperature photolysis between perfluoroolefins, perfluorodialkyl peroxides and fluoroxyperfluoroalkanes resulting in the synthesis of new compounds.

    Abstract translation: 通过在全氟烯烃,全氟二烷基过氧化物和氟氧全氟烷烃之间的低温光解下进行加成反应合成全氟聚醚的方法,导致新化合物的合成。

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