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    • 3. 发明申请
    • UV-CURABLE LOW SURFACE ENERGY COATINGS
    • 紫外线固化低表面能量涂料
    • WO2009105625A2
    • 2009-08-27
    • PCT/US2009/034656
    • 2009-02-20
    • WEBSTER, Dean, C.RAVINDRAN, NeenaVORA, Ankit
    • WEBSTER, Dean, C.RAVINDRAN, NeenaVORA, Ankit
    • C08L67/06C08L83/05C08L83/04C08G63/47
    • C08G63/6958C08G77/445Y10T428/31663
    • The invention provides an improved unsaturated polyester prepared from the polycondensation of unsaturated diaeid monomers or unsaturated acid anhydride mononers and polyol monomers and. optionally, one or more saturated aliphatic or aromatic diacld monomers or anhydride monomers thereof. The improvement comprises 0.5 to 50 weight percent, based on the total monomer weight, of an hydroxyalkyl-fiinctional siloxane of formula ( 1 ) below. The invention also relates to a UV curable coating formulation containing a siloxane- functional unsaturated polyester resin, a vinyl ether functional diluents and a photoinitiator. The invention further provides a method of preparing an article with a low-surface energy coating. According to the method, at least one surface of an article with a coating formulation of the invention; and the coating is then cured as described above with UV light to form a low-surface energy coating on the surface. The invention also relates to articles having a low-surface energy coating according to the invention.
    • 本发明提供由不饱和二元单体或不饱和酸酐单体和多元醇单体的缩聚制备的改进的不饱和聚酯。 任选地,一种或多种饱和脂族或芳族二酸单体或其酸酐单体。 基于总单体重量,下述的式(1)的羟烷基官能的硅氧烷的改进包含0.5至50重量百分比。 本发明还涉及含有硅氧烷官能的不饱和聚酯树脂,乙烯基醚官能的稀释剂和光引发剂的可UV固化的涂料配方。 本发明还提供了一种制备具有低表面能涂层的制品的方法。 根据该方法,具有本发明的涂层制剂的制品的至少一个表面; 然后如上所述用UV光固化涂层,以在表面上形成低表面能的涂层。 本发明还涉及具有根据本发明的低表面能涂层的制品。