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    • 1. 发明授权
    • Curable coating agents and process for the production of
scratch-resistant coatings on plastics
    • 可固化的涂层剂和在塑料上生产耐刮涂层的方法
    • US4336309A
    • 1982-06-22
    • US204539
    • 1980-11-06
    • Klaus-Peter JackelGunter HeilHerbert Spoor
    • Klaus-Peter JackelGunter HeilHerbert Spoor
    • C08G77/00C08G77/20C08G77/22C08L83/06C09D183/04C09D183/06B32B9/04B05D3/06C08G77/18
    • C08L83/06C08G77/20C09D183/06Y10T428/31663
    • Curable coating agents, a process for the production of scratch-resistant coatings on plastics, and articles coated by this process.The coating agents are polycondensates ofa reaction product, containing two or more carbon-carbon double bonds and one or more hydroxyl or alkoxy groups per molecule, obtained from an olefinically unsaturated silane containing 2 or more hydroxyl or alkoxy groups, whose olefinically unsaturated organic radical is bonded via a C-Si bond, and a hydroxyl-containing .alpha., .beta.-olefinically unsaturated monomer,an olefinically unsaturated silane of the general formulaR.sup.1 --Si(OR.sup.2).sub.3 where R.sup.1 is a vinyl radical or an alkyl acrylate or alkyl methacrylate radical bonded to the Si atom via a C--Si bond and R.sup.2 is hydrogen or a saturated hydrocarbon radical, anda saturated silane of the general formula ##STR1## where R.sup.3 and R.sup.4 are saturated or aromatic hydrocarbon radicals,with or without an epoxide-containing silane which also contains hydroxyl or alkoxy groups; the polycondensate may additionally contain an olefinically unsaturated reaction product of acrylic or methacrylic acid and a polyalcohol or polyether-ol.The coating agent is used to produce scratch-resistant coatings on the surface of plastics.
    • 可固化涂层剂,用于生产塑料上的耐刮擦涂层的方法,以及通过该方法涂覆的制品。 涂层剂是由含有2个以上羟基或烷氧基的烯属不饱和硅烷获得的含有两个或多个碳 - 碳双键和每分子一个或多个羟基或烷氧基的反应产物的缩聚物,其烯属不饱和有机基团 通过C-Si键和含羟基的α,β-烯属不饱和单体,通式为R 1 -Si(OR 2)3的烯属不饱和硅烷,其中R 1是乙烯基或丙烯酸烷基酯或甲基丙烯酸烷基酯 通过C-Si键与Si原子键合,R2是氢或饱和烃基,以及通式为“IMAGE”的饱和硅烷,其中R3和R4是饱和或芳族烃基,具有或不具有环氧化物 - 还含有羟基或烷氧基的含硅烷; 缩聚物可以另外含有丙烯酸或甲基丙烯酸和多元醇或聚醚 - 醇的烯属不饱和反应产物。 涂层剂用于在塑料表面上生产耐刮涂层。