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    • 24. 发明授权
    • Hybrid coating compositions
    • 混合涂料组合物
    • US06288198B1
    • 2001-09-11
    • US09449109
    • 1999-11-24
    • Markus MechtelStefan GrothLutz Schmalstieg
    • Markus MechtelStefan GrothLutz Schmalstieg
    • C08G7726
    • C08G18/289C08G18/837Y10T428/31551Y10T428/31663
    • The present invention relates to hybrid coating compositions containing A) 5 to 80 wt %, based on the weight of A) and B), of an aliphatic polyisocyanate-aminosilane adduct that is the reaction product of A1) a polyisocyanate component having an average NCO functionality of 2.5 to 5.5 and an isocyanate content, based on solids, of 9 to 50 wt % and containing aliphatic polyisocyanates with A2) at least 0.7 amino equivalents, based on the NCO equivalents of A1), of an aminosilane corresponding to formula (I) (RO)nY3−nSi—CH2CH2CH2—NHZ  (I), wherein R and Y represent methyl and/or ethyl, Z represents H, C1-C12 alkyl, CH2CH2CH2-Si(OR)2Y3−n and n has a value of 1, 2 or 3 and A3) optionally isocyanate-reactive compounds other than A2), and B) 20 to 95 wt %, based on the weight of A) and B), of at least one hydrolyzable silane corresponding to formula (II) QSi(OX)3  (II), wherein X represents C1 to C4 alkyl and Q represents H, C1 to C8 alkyl, phenyl, methoxy, ethoxy, 3-glycidyloxypropyl, 3-aminopropyl and methacryloxypropyl and/or hydrolyzates/condensates obtained from these silanes. The present invention also relates to the use of these coating compositions for coating various substrates, such as paints, plastics, granite, marble, metal, wood, leather and textiles.
    • 本发明涉及混合涂料组合物,其包含A)5至80重量%,基于A)和B)的重量A)和B)的脂肪族多异氰酸酯 - 氨基硅烷加合物,其为A1)具有平均NCO官能度的多异氰酸酯组分 2.5至5.5,基于固体的异氰酸酯含量为9至50重量%,并且含有脂族多异氰酸酯与A 2)基于相当于式(I)的式(I)的氨基硅烷,至少0.7氨基当量,基于AlCO 3的NCO当量),其中R和 Y表示甲基和/或乙基,Z表示H,C 1 -C 12烷基,CH 2 CH 2 CH 2 -Si(OR)2 Y 3-n,n值为1,2或3,A 3)任选异氰酸酯反应性化合物,除了A2),和B) 20重量%至95重量%的A)和B)的至少一种对应于式(II)的可水解硅烷,其中X代表C1至C4烷基,Q代表H,C1至C8烷基,苯基,甲氧基,乙氧基, 3-缩水甘油氧基丙基,3-氨基丙基和甲基丙烯酰氧基丙基和/或水解产物/缩合物 本发明还涉及这些涂料组合物用于涂覆各种基材如油漆,塑料,花岗岩,大理石,金属,木材,皮革和纺织品的用途。