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    • 2. 发明公开
    • 실란-개질 결합제 분산액
    • 硅烷改性粘合剂分散体
    • KR1020090067073A
    • 2009-06-24
    • KR1020080129237
    • 2008-12-18
    • 코베스트로 도이칠란드 아게
    • 뮌츠마이,토마스넨네만,아르노이를레,크리스토프유파,누스레트
    • C09D183/04B82Y99/00
    • C08L83/06C08G77/16C08G77/20C08L3/18C08L31/02C08L33/06C08L33/14C08L101/10C09D143/04C09D183/04C08K3/36C08L43/04
    • A silane-modified binder dispersing liquid is provided to secure optimal gloss and haze and to show improved scratch resistance, thereby being used as a transparent lacquer. An aqueous composition comprises a silane-modified copolymer, hydroxyl-containing polyorganosiloxane, surface-modified inorganic particles and water. The surface-modified inorganic particle has less than 200nm of z-average molecular weight. The silane-modified copolymer includes the formula 1 of -Si(R1O)2R2. In the formula 1, R1 is a C2-C8 alkyl radical; and R2 is a C1-C5 alkyl radical. The silane-modified copolymer contains hydroxyl-functional hydrophobic polymer containing (meth)acrylic acid ester and/or vinyl ester having C1-C18 hydrocarbon radical, hydroxyl functional monomer and polymerizable silane-functional monomer. The silane-modified copolymer contains hydroxyl-functional hydrophilic polymer containing (meth)acrylic acid ester and/or vinyl ester having C1-C18 hydrocarbon radical, hydroxyl functional monomer and acid-functional monomer.
    • 提供硅烷改性粘合剂分散液以确保最佳的光泽度和雾度,并显示出改善的耐擦伤性,从而用作透明漆。 水性组合物包含硅烷改性的共聚物,含羟基的聚有机硅氧烷,表面改性的无机颗粒和水。 表面改性无机粒子的z平均分子量小于200nm。 硅烷改性共聚物包括-Si(R 1 O)2 R 2的式1。 在式1中,R 1是C 2 -C 8烷基; 并且R 2是C 1 -C 5烷基。 硅烷改性共聚物含有含有(甲基)丙烯酸酯和/或具有C 1 -C 18烃基的乙烯基酯,羟基官能单体和可聚合硅烷官能单体的羟基官能疏水性聚合物。 硅烷改性共聚物含有含有(甲基)丙烯酸酯和/或具有C1-C18烃基的乙烯基酯,羟基官能单体和酸官能单体的羟基官能亲水性聚合物。