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    • 4. 发明申请
    • COATING MATERIAL WITH HIGH SCRATCH RESISTANCE
    • 具有高耐蚀性的涂料
    • US20150191625A1
    • 2015-07-09
    • US14409583
    • 2013-06-17
    • Rainer LomoelderHans GoerlitzerMarkus HallackTobias Unkelhaeusser
    • Rainer LomoelderHans GoerlitzerMarkus HallackTobias Unkelhaeusser
    • C09D175/06C08K5/3435C08K5/3475
    • C09D175/06C08G18/718C08G18/778C08K5/3435C08K5/3475C09D175/04
    • The present invention relates to a coating material comprising at least one aliphatic or cycloaliphatic polyisocyanate having an NCO functionality of at least 2, preferably 2.8 to 6, optionally at least one binder, preferably a hydroxyl-containing binder, at least one adduct of an isocyanatotrialkoxysilane and a polyhydric alcohol, with more than 90, more preferably more than 95, most preferably more than 99 percent of the hydroxyl groups in the polyhydric alcohol having been converted by reaction with the isocyanatotrialkoxysilane, and less than 0.1 wt % of the isocyanate groups from the isocyanatotrialkoxysilane being reactive in the adduct, at least one catalyst selected from the group consisting of Lewis acids, phosphoric acid or phosphorous acid and esters thereof, blocked or non-blocked sulphonic acids, sulphuric acid, carboxylic acids having a melting point >60° C. and tetraalkylammonium carboxylates, optionally at least one auxiliary, preferably at least one further crosslinker, and/or adjuvant, and optionally organic solvents, and also to a process comprising providing, applying to a surface and curing the coating material, to a coating obtainable by curing the coating material, and to use of the coating material for coating a metal, glass, plastic or wood surface.
    • 本发明涉及包含至少一种具有NCO官能度至少为2,优选2.8至6,任选至少一种粘合剂,优选含羟基粘合剂,至少一种异氰酸酯三烷氧基硅烷加合物的脂族或脂环族多异氰酸酯的涂料 和通过与异氰酸根合三烷氧基硅烷反应而转化为多元醇中的多于90个,更优选大于95个,最优选大于95个,最优选大于99%的羟基,并且少于0.1重量% 异氰酸酯三烷氧基硅烷在加合物中是反应性的,至少一种催化剂选自路易斯酸,磷酸或亚磷酸及其酯,封端或未封端的磺酸,硫酸,熔点> 60℃的羧酸 C和四烷基铵羧酸盐,任选地至少一种辅助剂,优选至少一种其它交联剂 r和/或佐剂,以及任选的有机溶剂,以及包括提供施用于表面并固化涂层材料的涂层可通过固化涂层材料获得的涂层以及用于涂覆涂层的涂层 金属,玻璃,塑料或木材表面。