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    • 8. 发明授权
    • Silico-acrylic compositions: method for their preparation and use
    • 硅丙烯酸组合物:其制备和使用方法
    • US06825239B2
    • 2004-11-30
    • US09821876
    • 2001-03-30
    • Didier WilhelmArmand EranianNgoc Can VuPhilippe Vincent
    • Didier WilhelmArmand EranianNgoc Can VuPhilippe Vincent
    • C08K336
    • C09D4/00C08F222/1006C08F230/08C08F290/142C09D4/06C08F222/20
    • Fluid silico-acrylic compositions, stable in the long term, polymerizable thermally and by radiatiion, by mechanism giving rise to free radicals, with a very low water (less than 1%) and volatile solvent content, containing silica, a silane, and a multifunctional acrylic monomer, in which the silica is in the form of indivualized particles with an average diameter with the range 9 amd 100 nm, not interconnected by siloxane bonds, the silane is a vinyl silane with the formula (I) H2C═CH—Si(OR)3  (I) in which R represents a methyl or ethyl radical, and the multifunctional (meth)acrylic monomer is an alkoxylated (meth)acrylate, method for preparation and use for the development of anti-scratch transparent and uncoloured varnishes, obtained by polymerization giving rise to free radicals by radiation (UV, electron bundles) or thermally.
    • 流体硅丙烯酸组合物,通过引起自由基的机制以长期稳定的方式稳定,具有非常低的水(小于1%)和挥发性溶剂含量,其含有二氧化硅,硅烷和 多官能丙烯酸类单体,其中二氧化硅是平均直径为9 amd 100nm的平均粒径形式,不与硅氧烷键相互连接的形式,硅烷是具有式(I)的乙烯基硅烷,其中R表示 甲基或乙基,多官能(甲基)丙烯酸系单体为烷氧基化(甲基)丙烯酸酯,通过聚合引起自由基的辐射(UV)而得到的抗刮伤性透明及无色清漆的制备及使用方法 ,电子束)或热。