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    • 4. 发明申请
    • AQUEOUS POLYURETHANE RESIN DISPERSION AND USE THEREOF
    • 水性聚氨酯树脂分散体及其用途
    • US20130317171A1
    • 2013-11-28
    • US13984789
    • 2012-02-09
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • C09D175/06
    • C09D175/06C08G18/0823C08G18/10C08G18/6659C08G18/28
    • An aqueous polyurethane resin dispersion is a dispersion of a polyurethane resin in an aqueous medium, the polyurethane resin being obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound including a polycarbonate polyol with a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound and (d) a blocking agent, with (B) a chain extender, the total content of urethane bonds and urea bonds being 7 to 15 wt %, the content of carbonate bonds being 15 to 40 wt %, the content of ether bonds being 0.5 to 5 wt %, the content of isocyanate groups bonded to the blocking agent being 0.2 to 2.0 wt %, each of these contents being based on solid contents, the acid value being 10 to 16 mg KOH/g. The aqueous polyurethane resin dispersion can form coating films which permit new application while exhibiting excellent water resistance and solvent resistance. A coating composition includes the dispersion. A polyurethane resin film is obtained by thermally drying a composition including the dispersion.
    • 水性聚氨酯树脂分散体是聚氨酯树脂在水性介质中的分散液,聚氨酯树脂是通过使(A)通过使(a)多异氰酸酯化合物反应得到的聚氨酯预聚物,(b)包含聚碳酸酯多元醇 数均分子量为400〜3000,(c)含酸性基团的多元醇化合物和(d)封端剂,(B)扩链剂,氨基甲酸酯键和尿素键的总含量为7〜15 重量%,碳酸酯键含量为15〜40重量%,醚键含量为0.5〜5重量%,与封端剂结合的异氰酸酯基的含量为0.2〜2.0重量%,这些含量均为 固体含量为10〜16mg KOH / g。 水性聚氨酯树脂分散体可以形成允许新的涂布,同时具有优异的耐水性和耐溶剂性的涂膜。 涂料组合物包括分散体。 通过将包含该分散体的组合物进行热干燥来获得聚氨酯树脂膜。
    • 5. 发明申请
    • AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME
    • 水性聚氨酯树脂分散体及其制备方法
    • US20110313101A1
    • 2011-12-22
    • US13203454
    • 2010-02-23
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • C09D175/04C08L75/04
    • C09D5/02C08G18/0823C08G18/12C08G18/44C08G18/6659C08G18/758C09D5/024C09D175/04C08G18/3231C08G18/3228
    • An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material is to be provided.It is an aqueous polyurethane resin dispersion which comprises a polyurethane resin obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a poly-carbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent which has reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane bodings and a content of urea bondings is 7 to 18% by weight in terms of solid components, a content of carbonate bondings is 15 to 40% by weight in terms of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bonded is 0.2 to 3% by weight in terms of solid components and calculated on the isocyanate group.
    • 本发明提供一种水性聚氨酯树脂分散体,其可以在涂布在基材上之后容易地进行再涂覆或除去多余的涂膜。 它是一种水性聚氨酯树脂分散体,其包含聚氨酯树脂,该聚氨酯树脂通过使(A)聚氨酯预聚物反应获得,所述聚氨酯预聚物是通过(a)多异氰酸酯化合物,(b)至少一种含有多个 平均分子量为400〜3000,(c)含酸性基团的多元醇化合物,(d)在80〜180℃下离解的异氰酸酯基封闭剂,(B)伸长剂 与异氰酸酯基具有反应性,分散在水性介质中,氨基甲酸酯胶的含量与尿素键的含量之和为固体成分的7〜18重量%,碳酸酯键合的含量为15〜40 以固体成分计的重量%,上述封端剂键合的异氰酸酯基的含量以固体成分计为0.2〜3重量%,并以异氰酸酯基计算。
    • 7. 发明申请
    • AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME
    • 水性聚氨酯树脂分散体及其制备方法
    • US20110313099A1
    • 2011-12-22
    • US13203247
    • 2010-02-23
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • C09D175/04C08L75/04
    • C08G18/0823C08G18/12C08G18/44C08G18/6692C08G18/758C08G2101/00C09D5/02C09D175/06C08G18/286
    • An aqueous polyurethane resin dispersion which can easily carry out repaint or removal of an extra coating film after coating on a substrate material, and has high coating film hardness is to be provided.It is an aqueous polyurethane resin dispersion which comprises (A) a polyurethane resin obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., being dispersed in an aqueous medium, a sum of a content of urethane bondings and a content of urea bondings is 7 to 30% by weight in terms of solid components, a content of carbonate bondings is 8 to 40% by weight in terms of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bound is 2 to 10% by weight in terms of solid components and calculated on the isocyanate group.
    • 可以提供一种水性聚氨酯树脂分散体,其可以在涂布在基材上之后容易地进行再涂覆或除去多余的涂膜,并且具有高的涂膜硬度。 它是一种水性聚氨酯树脂分散体,其包含(A)通过(a)多异氰酸酯化合物,(b)至少一种含有数均分子量为400至3000的聚碳酸酯多元醇的多元醇化合物(c) )含酸性基团的多元醇化合物,和(d)在80〜180℃离解的异氰酸酯基封闭剂,分散在水性介质中,氨基甲酸酯键合的含量与 尿素键的固体成分为7〜30重量%,以固体成分计,碳酸酯键合含量为8〜40重量%,上述封端剂所结合的异氰酸酯基的含量 按固形成分计为2〜10重量%,以异氰酸酯基计算。
    • 10. 发明申请
    • AQUEOUS POLYURETHANE RESIN DISPERSION AND COATING COMPOSITION COMPRISING THE SAME
    • 含水聚氨酯树脂分散体和涂料组合物
    • US20140088246A1
    • 2014-03-27
    • US14123039
    • 2012-05-31
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • Atsushi MorikamiMasahiro NaikiFumio AdachiManabu Takahashi
    • C09D175/04
    • C09D175/04C08G18/0823C08G18/12C08G18/3225C08G18/44C08G18/6603C08G18/6659C08G18/75C08G18/758C09D175/06C08G18/3228
    • The present invention is to provide an aqueous polyurethane resin dispersion in which a polyurethane resin s dispersed in an aqueous medium, wherein the polyurethane resin is obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound containing a polycarbonate polyol having a number average molecular weight of 800 to 3500, and (c) an acidic group-containing polyol compound, and (B) a chain extender, being dispersed in an aqueous medium, (B) the chain extender contains a polyamine compound having three or more in total of an amino group(s) and/or an imino group(s) per molecule, and the polyurethane resin has, each based on a solid content, a content of urethane bonds of 5 to 10% by weight, a content of urea bonds of 2 to 7% by weight, a content of carbonate bonds of 15 to 40% by weight, has neither ether bond nor ester bond, has a density of cross-linking points of 1.0×10−4 to 1.0×10−3 mol/g, an acid value of 12 to 20 mg KOH/g, and a weight average molecular weight of 100,000 or more.
    • 本发明提供一种水性聚氨酯树脂分散体,其中分散在水性介质中的聚氨酯树脂,其中聚氨酯树脂通过使(A)通过使(a)多异氰酸酯化合物(( b)含有数均分子量为800〜3500的聚碳酸酯多元醇和(c)含酸性基团的多元醇化合物的多元醇化合物和(B)扩链剂,分散在水性介质中,(B) 扩链剂包含每分子具有三个或更多个氨基和/或亚氨基的多胺化合物,并且聚氨酯树脂各自基于固体含量,氨基甲酸酯键的含量 的5〜10重量%,尿素键的含量为2〜7重量%,碳酸酯键的含量为15〜40重量%,既没有醚键也没有酯键,具有交联点的密度 为1.0×10 -4〜1.0×10 -3 mol / g,为酸值 为12〜20mg KOH / g,重均分子量为100,000以上。