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1. 发明授权

US08552109B2 Aqueous polyurethane resin dispersion, preparation method of the same, and coating composition containing the same 失效
标题翻译：水性聚氨酯树脂分散体及其制备方法以及含有它们的涂料组合物
公开(公告)号：US08552109B2
公开(公告)日：2013-10-08
申请号：US12994692
申请日：2009-05-28
申请人： Taku Nakamura , Masahiro Naiki , Atsushi Morikami , Fumio Adachi , Manabu Takahashi
发明人： Taku Nakamura , Masahiro Naiki , Atsushi Morikami , Fumio Adachi , Manabu Takahashi
IPC分类号： C08G18/08 , C08G18/28 , C08J3/00 , C08K3/20 , C08L75/00
CPC分类号： C09D175/06 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6659 , C08G18/758 , C08G18/3228
摘要： Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.
摘要翻译：公开了一种水性聚氨酯树脂分散体，其包含聚氨酯树脂，其通过使（A）通过（a）主链中具有脂环结构的聚碳酸酯多元醇与（b）含酸性基团的多元醇化合物和（d）多异氰酸酯，和（B）分散在水性介质中的增链剂，上述（A）聚氨酯预聚物的羧酸基含量基于（A）的固体成分聚氨酯预聚物为2.0〜13.0重量％，上述（a）主链中具有脂环结构的聚碳酸酯多元醇的混合物的羟基当量数，上述（b）酸性基团多元醇化合物，如果需要，（c）除（a）和（b）以外的多元醇为70〜270。

2. 发明申请

US20110077352A1 AQUEOUS POLYURETHANE RESIN DISPERSION, PREPARATION METHOD OF THE SAME, AND COATING COMPOSITION CONTAINING THE SAME 失效
标题翻译：水性聚氨酯树脂分散体，其制备方法和含有它的涂料组合物
公开(公告)号：US20110077352A1
公开(公告)日：2011-03-31
申请号：US12994692
申请日：2009-05-28
申请人： Taku Nakamura , Masahiro Naiki , Atsushi Morikami , Fumio Adachi , Manabu Takahashi
发明人： Taku Nakamura , Masahiro Naiki , Atsushi Morikami , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/04 , C08G18/08
CPC分类号： C09D175/06 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6659 , C08G18/758 , C08G18/3228
摘要： Disclosed is an aqueous polyurethane resin dispersion which comprises a polyurethane resin which is obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polycarbonate polyol having an alicyclic structure in the main chain, (b) an acidic group-containing polyol compound and (d) a polyisocyanate, and (B) a chain-elongating agent, being dispersed in an aqueous medium, a carboxylic acid group content of the above-mentioned (A) polyurethane prepolymer based on a solid component of (A) the polyurethane prepolymer is 2.0 to 13.0% by weight, and a number of a hydroxyl equivalent of a mixture of the above-mentioned (a) polycarbonate polyol having an alicyclic structure in the main chain, the above-mentioned (b) acidic group-containing polyol compound, and, if necessary, (c) a polyol other than (a) and (b) is 70 to 270.
摘要翻译：公开了一种水性聚氨酯树脂分散体，其包含聚氨酯树脂，其通过使（A）通过（a）主链中具有脂环结构的聚碳酸酯多元醇与（b）含酸性基团的多元醇化合物和（d）多异氰酸酯，和（B）分散在水性介质中的增链剂，上述（A）聚氨酯预聚物的羧酸基含量基于（A）的固体成分聚氨酯预聚物为2.0〜13.0重量％，上述（a）主链中具有脂环结构的聚碳酸酯多元醇的混合物的羟基当量数，上述（b）酸性基团多元醇化合物，如果需要，（c）除（a）和（b）以外的多元醇为70〜270。

3. 发明申请

US20110313099A1 AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME 审中-公开
标题翻译：水性聚氨酯树脂分散体及其制备方法
公开(公告)号：US20110313099A1
公开(公告)日：2011-12-22
申请号：US13203247
申请日：2010-02-23
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/04 , C08L75/04
CPC分类号： C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6692 , C08G18/758 , C08G2101/00 , C09D5/02 , C09D175/06 , C08G18/286
摘要： 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.
摘要翻译：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。

4. 发明授权

US09169420B2 Aqueous polyurethane resin dispersion and coating composition comprising the same 有权
标题翻译：含水聚氨酯树脂分散体和包含其的涂料组合物
公开(公告)号：US09169420B2
公开(公告)日：2015-10-27
申请号：US14123039
申请日：2012-05-31
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C08G18/08 , C09D175/04 , C08G18/66 , C08G18/75 , C08G18/12 , C09D175/06 , C08G18/44
CPC分类号： C09D175/04 , C08G18/0823 , C08G18/12 , C08G18/3225 , C08G18/44 , C08G18/6603 , C08G18/6659 , C08G18/75 , C08G18/758 , C09D175/06 , C08G18/3228
摘要： 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.
摘要翻译：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。

5. 发明申请

US20130317171A1 AQUEOUS POLYURETHANE RESIN DISPERSION AND USE THEREOF 审中-公开
标题翻译：水性聚氨酯树脂分散体及其用途
公开(公告)号：US20130317171A1
公开(公告)日：2013-11-28
申请号：US13984789
申请日：2012-02-09
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/06
CPC分类号： C09D175/06 , C08G18/0823 , C08G18/10 , C08G18/6659 , C08G18/28
摘要： 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.
摘要翻译：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。

6. 发明申请

US20110313101A1 AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME 有权
标题翻译：水性聚氨酯树脂分散体及其制备方法
公开(公告)号：US20110313101A1
公开(公告)日：2011-12-22
申请号：US13203454
申请日：2010-02-23
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/04 , C08L75/04
CPC分类号： C09D5/02 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6659 , C08G18/758 , C09D5/024 , C09D175/04 , C08G18/3231 , C08G18/3228
摘要： 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.
摘要翻译：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. 发明授权

US08859676B2 Aqueous polyurethane resin dispersion and process for preparing the same 有权
标题翻译：水性聚氨酯树脂分散体及其制备方法
公开(公告)号：US08859676B2
公开(公告)日：2014-10-14
申请号：US13203454
申请日：2010-02-23
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C08G18/08 , C08K3/20 , C08L75/00 , C08G18/75 , C09D5/02 , C08G18/12 , C08G18/66 , C09D175/04 , C08G18/44
CPC分类号： C09D5/02 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6659 , C08G18/758 , C09D5/024 , C09D175/04 , C08G18/3231 , C08G18/3228
摘要： An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer 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., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane bondings and a content of urea bondings is 7 to 18% by weight of solid components, a content of carbonate bondings is 15 to 40% by weight 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 of solid components and calculated on the isocyanate group.
摘要翻译：一种含有聚氨酯树脂的水性聚氨酯树脂分散体，其通过（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）至少一种含有数均分子量为400〜3000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℃下解离的异氰酸酯基封闭剂，（B）与异氰酸酯基具有反应性的伸长剂，为分散在水性介质中，氨基甲酸酯键合的含量和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固体成分的15〜40重量％，含量的上述封端剂键合的异氰酸酯基为0.2〜3重量％的固形成分，并按异氰酸酯基计算。

8. 发明申请

US20130317167A1 AQUEOUS POLYURETHANE RESIN DISPERSION AND USE THEREOF 审中-公开
标题翻译：水性聚氨酯树脂分散体及其用途
公开(公告)号：US20130317167A1
公开(公告)日：2013-11-28
申请号：US13984737
申请日：2012-02-09
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/04
CPC分类号： C09D175/04 , C08G18/0823 , C08G18/10 , C08G18/6659 , C09D175/06 , C08G18/28
摘要： An aqueous polyurethane resin dispersion exhibits excellent drying properties of coating films and gives coating films having high water resistance and on the other hand showing a high rate of swelling with respect to aqueous cleaning liquids to permit new application. The 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 from (a) a polyisocyanate compound, (b) 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 wt %, the content of isocyanate groups bonded to the blocking agent being 0.2 to 2 wt %, each of these contents being based on solid contents, the acid value being 11 to 16 mg KOH/g, the weight average molecular weight being 25,000 to 60,000. A coating composition includes the dispersion. A polyurethane resin film is obtained by thermally drying a composition including the dispersion.
摘要翻译：水性聚氨酯树脂分散体表现出优异的涂膜干燥性能，并提供具有高耐水性的涂膜，另一方面表现出相对于水性清洁液体的高膨胀率以允许新的应用。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，聚氨酯树脂通过（A）由（a）多异氰酸酯化合物得到的聚氨酯预聚物，（b）数均分子量的聚碳酸酯多元醇重量为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％，含量的碳酸酯键为15〜40重量％，醚键含量为0重量％，与封端剂结合的异氰酸酯基的含量为0.2〜2重量％，这些含量均以固体成分计，酸值为11〜16mg KOH / g，重均分子量为25,000〜60,000。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。

9. 发明申请

US20110313100A1 AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PREPARING THE SAME 有权
标题翻译：水性聚氨酯树脂分散体及其制备方法
公开(公告)号：US20110313100A1
公开(公告)日：2011-12-22
申请号：US13203450
申请日：2010-02-23
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C09D175/04 , C08L75/04
CPC分类号： C09D5/02 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6692 , C08G18/758 , C08G2101/00 , C09D175/06 , C08G18/286 , C08G18/3228
摘要： An aqueous polyurethane resin dispersion which can provide a coating film having high impact resistance and hardness and excellent in adhesiveness to an electrodeposited coating surface 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 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., 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 15 to 30% by weight in terms of solid components, a content of carbonate bondings is 8% by weight or more and less than 15% by weight in terms of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bound is 0.2 to 3% by weight in terms of solid components and calculated on the isocyanate group.
摘要翻译：可以提供能够提供具有高抗冲击性和硬度以及对电沉积涂层表面具有优异粘附性的涂膜的水性聚氨酯树脂分散体。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）至少一种含有数均分子量的聚碳酸酯多元醇的多元醇化合物重量为400〜3000，（c）含酸性基团的多元醇化合物，（d）在80〜180℃下分解的异氰酸酯基封闭剂，（B）具有反应性的伸长剂与异氰酸酯基分散在水性介质中，氨基甲酸乙酯凝胶含量与尿素键含量之和为固形成分的15〜30重量％，碳酸酯键合的含量为8重量％，或以固形成分换算为15重量％以上，上述封端剂结合的异氰酸酯基含量为0.2〜3重量％，按异氰酸酯基计算。

10. 发明授权

US08912280B2 Aqueous polyurethane resin dispersion and process for preparing the same 有权
标题翻译：水性聚氨酯树脂分散体及其制备方法
公开(公告)号：US08912280B2
公开(公告)日：2014-12-16
申请号：US13203450
申请日：2010-02-23
申请人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
发明人： Atsushi Morikami , Masahiro Naiki , Fumio Adachi , Manabu Takahashi
IPC分类号： C08G77/06 , C08G18/08 , C08G18/66 , C09D175/06 , C09D5/02 , C08G18/12 , C08G18/44 , C08G18/75 , C08G101/00
CPC分类号： C09D5/02 , C08G18/0823 , C08G18/12 , C08G18/44 , C08G18/6692 , C08G18/758 , C08G2101/00 , C09D175/06 , C08G18/286 , C08G18/3228
摘要： An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer 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, (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane and urea bondings is 15 to 30% by weight in terms of solid components, a content of carbonate bondings is 8% to
摘要翻译：一种含有聚氨酯树脂的水性聚氨酯树脂分散体，其通过（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）至少一种含有数均分子量为400〜3000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，（d）在80〜180℃下离解的异氰酸酯基封闭剂，（B）与异氰酸酯基具有反应性的扩链剂分散在水性介质中，以固体成分计，氨基甲酸酯和尿素键的含量之和为15〜30重量％，以固体成分计，碳酸酯键合的含量为8〜15重量％，上述封闭剂结合的异氰酸酯基团的含量以以异氰酸酯基计算的固体成分计为0.2〜3重量％。

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