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    • 57. 发明申请
    • PROCESS FOR THE PRODUCTION OF A SCRATCH RESISTANT VEHICLE COATING
    • 生产抗划痕车辆涂料的方法
    • WO2007024839A3
    • 2007-09-07
    • PCT/US2006032732
    • 2006-08-22
    • DU PONTWILKENHOENER UWEWULF MARTINWINKELMANN PAER
    • WILKENHOENER UWEWULF MARTINWINKELMANN PAER
    • C09D7/12
    • C09D5/028B05D5/00B05D7/14B05D7/582B82Y30/00C01P2006/40C01P2006/60C08K3/22C08K9/06C09C1/3045C09D7/63Y10S977/778Y10S977/779Y10S977/783Y10T428/2991Y10T428/2993Y10T428/2998
    • The invention is directed to a process for the production of a scratch-resistant vehicle coating comprising the following steps: I. applying a top coat layer of colour- and/or special effect-imparting base coat and a transparent clear coat or of a pigmented one-layer top coat onto a prior coating, II. optionally, applying a sealing layer of a transparent sealing coat onto the top coat layer applied in step I and III. curing the top coat layer applied in step I and the sealing layer optionally applied in step II, wherein the transparent clear coat or the pigmented one-layer top coat and/or the transparent sealing coat contains modified nanoparticles based on an element-oxygen network, the elements are selected from the group consisting of aluminium, silicon, tin, boron, germanium, gallium, lead and transition metals including the lanthanides and actinides and wherein the modified nanoparticles being produced by treating the (unmodified) nanoparticles with compounds of the general formula (I) Me(OR 1 ) 4 and/or the general formula (II) Me(OCOR 1 ) 4 , wherein R 1 means an alkyl, aryl and/or aralkyl residue and Me means zirconium and/or titanium.
    • 本发明涉及一种用于生产耐划伤车辆涂层的方法,其包括以下步骤:I.施加颜料和/或特殊效果赋予底涂层和透明透明涂层或颜料涂层 一层顶涂层涂覆到现有涂层上,II。 任选地,将透明密封涂层的密封层施加到在步骤I和III中施加的顶涂层上。 固化在步骤I中施加的顶涂层和在步骤II中任选施加的密封层,其中透明透明涂层或着色单层顶涂层和/或透明密封涂层含有基于元素 - 氧网络的改性纳米粒子, 所述元素选自由铝,硅,锡,硼,锗,镓,铅和包括镧系元素和act系元素的过渡金属组成的组,并且其中所述改性的纳米粒子通过用以下通式的化合物处理(未改性的) (I)Me(OR 1)4和/或通式(II)Me(OCOR 1或4) 其中R 1表示烷基,芳基和/或芳烷基残基,Me表示锆和/或钛。