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    • 1. 发明申请
    • COATING AGENT HAVING HIGH SCRATCH RESISTANCE
    • 具有高耐刮擦性涂层剂
    • WO2013189882A3
    • 2014-03-20
    • PCT/EP2013062506
    • 2013-06-17
    • EVONIK INDUSTRIES AGLOMOELDER RAINERGOERLITZER HANSHALLACK MARKUSUNKELHAEUSSER TOBIAS
    • LOMOELDER RAINERGOERLITZER HANSHALLACK MARKUSUNKELHAEUSSER TOBIAS
    • C08G18/38C08G18/71C08G18/77C09D175/04
    • C09D175/06C08G18/718C08G18/778C08K5/3435C08K5/3475C09D175/04
    • The present invention relates to a coating agent, comprising at least one aliphatic or alicyclic polyisocyanate, which has an NCO functionality of at least 2, preferably 2.8 to 6, optionally at least one binder, preferably a hydroxyl-group-bearing binder, at least one adduct of an isocyanatotrialkoxysilane and a multivalent alcohol, wherein more than 90, preferably more than 95, most preferably more than 99 percent of the hydroxy groups of the multivalent alcohol are converted by reaction with the isocyanatotrialkoxysilane and less than 0.1 wt% of the isocyanate groups from the isocyanatotrialkoxysilane are reactive in the adduct, at least one catalyst selected from the group that comprises Lewis acids, phosphoric acid or phosphonic acid and esters thereof, blocked or unblocked sulfonic acids, sulfuric acid, carboxylic acids having a melting point > 60 °C, and tetraalkylammonium carboxylates, optionally at least one auxiliary agent, preferably at least one additional cross-linking agent, and/or additive, and optionally organic solvents, and to a method comprising providing the coating agent, applying the coating agent to a surface, and curing the coating agent, to a coating that can be obtained by curing the coating agent, and to a use of the coating agent to coat a metal, glass, plastic, or wood surface.
    • 本发明涉及包含至少一种脂族或具有至少为2的NCO官能度,优选为2.8〜6的脂环族多异氰酸酯的涂料组合物,任选的至少一种粘合剂,优选含羟基的粘合剂,至少一个Isocyanatotrialkyoxysilan和多元的加合物 醇,超过90,更优选大于95,最优选大于99通过与有异氰酸基三烷氧基硅烷反应百分比多元醇的羟基基团的反应,并且小于0.1%(重量)从Isocyanatotrialkyloxysilan在加合物的异氰酸酯基团是反应性的,至少 选自路易斯酸,磷酸或亚磷酸和它们的酯的组中的催化剂,封闭或未封闭的包括磺酸,硫酸,羧酸熔点> 60℃和Tetralkylammoniumcarboxylate,任选的至少一种Hilfss TOFF,优选至少一种进一步的交联剂和/或添加剂,和任选的有机溶剂,和包括提供,应用到一个表面和固化所述涂布剂,通过固化涂料组合物得到的涂层,以及用于涂覆的金属的使用所述涂料组合物的方法 ,玻璃,塑料或木材表面上。