会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Scratch resistant top coating composition
    • 防刮顶涂料组合物
    • US4960828A
    • 1990-10-02
    • US228648
    • 1988-08-05
    • Tetsuo HiguchiSachio YamaguchiYou SugimuraShinji SugiuraShigeru Nakamura
    • Tetsuo HiguchiSachio YamaguchiYou SugimuraShinji SugiuraShigeru Nakamura
    • C08L61/20C08L67/02C09D133/06C09D151/00C09D167/00
    • C09D151/00C09D133/066C09D167/00C08L61/20C08L67/02
    • A top coating composition comprising(A) a polyol resin having a weight average molecular weight of 400 to 2,000 a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) of not more than 1.6, and a hydroxyl value of 150 to 400 mg KOH/g,(B) at least one polyol resin selected from the group consisting of(1) a polyester polyol having a weight average molecular weight of 2,000 to 50,000, a hydroxyl value of 50 to 200 mg KOH/g, and cyclohexylene ring content of not less than 7 percent by weight,(2) an acrylic polyol resin containing 20 to 60 percent by weight of acrylic and/or methacrylic ester of a monohydric alcohol of 6 to 18 carbon atoms, and having a weight average molecular weight of 5,000 to 50,000 and a hydroxyl value of 50 to 180 mg KOH/g, and(3) a mixed polyol resin consisting of a non-aqueous dispersion type acrylic resin prepared by dispersion-polymerizing at least one vinyl monomer in the presence of a polymer dispersion stabilizer and an organic solvent, and a solution type acrylic polyol resin having a weight average molecular weight of 5,000 to 50,000 and a hydroxyl value of 50 to 180 mg KOH/g, and(C) an alkoxy monomeric melamine, wherein (A) accounts for 15 to 60 percent, (B) for 15 to 60 percent, and (C) for 20 to 50 percent by weight based on the total weight of (A), (B) and (C).
    • 一种顶涂层组合物,其包含(A)重均分子量为400〜2,000的多元醇树脂,重均分子量(& ampbar&Mw)与数均分子量(& 150至400mg KOH / g的值,(B)至少一种选自(1)重均分子量为2,000至50,000的聚酯多元醇,羟值为50至200mg KOH的多元醇树脂 / g,亚环己烯环含量为7重量%以上,(2)含有20〜60重量%的碳原子数6〜18的一元醇的丙烯酸和/或甲基丙烯酸酯的丙烯酸多元醇树脂,具有 重均分子量为5,000〜50,000,羟值为50〜180mgKOH / g,(3)由非水分散型丙烯酸树脂组成的混合多元醇树脂,其通过使至少一种乙烯基单体 在聚合物分散体刺激的存在下 和有机溶剂,重均分子量为5,000〜50,000,羟基值为50〜180mgKOH / g的溶液型丙烯酸多元醇树脂,(C)烷氧基单体三聚氰胺,其中(A)记录 (B)为15〜60%,(C)为(A),(B)和(C)的总重量的20〜50重量%。