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1. 发明授权

US08138258B2 Clear coating composition for an automobile and method of forming a multi-layer coating film using the same 有权
标题翻译：用于汽车的透明涂料组合物和使用其形成多层涂膜的方法
公开(公告)号：US08138258B2
公开(公告)日：2012-03-20
申请号：US11313786
申请日：2005-12-22
申请人： Hideaki Tsujioka , Junji Shimada , Hisaki Tanabe , Mirei Kato , Yoshinori Narita
发明人： Hideaki Tsujioka , Junji Shimada , Hisaki Tanabe , Mirei Kato , Yoshinori Narita
IPC分类号： C08L75/00
CPC分类号： C08G18/791 , C08G18/6233 , C08G18/7831 , C09D133/14 , C09D175/04
摘要： An automotive clear coating composition includes a hydroxyl group-containing acrylic resin obtained using hydroxyalkyl(meth)acrylate having a hydroxyalkyl group having 4-9 carbon atoms as at least a part of its monomer; and a polyfunctional isocyanate compound in which at least a part thereof is an isocyanurate type isocyanate compound. The prepared composition has 25 to 50 mass % of a soft segment part with respect to a total solid content of such acrylic resin and the polyfunctional isocyanate compound, and a ratio of a soft segment part derived from a lactone-containing monomer with respect to the total solid content of such acrylic resin and the polyfunctional isocyanate compound of not more than 4.5 mass %. A cured coating film has a dynamic glass transition temperature within a range of 30 to 60° C. The soft segment part is represented by —CH2)n— wherein n represents an integer of 4 or more.
摘要翻译：汽车透明涂料组合物包括使用具有4-9个碳原子的羟基烷基的（甲基）丙烯酸羟烷基酯作为其单体的至少一部分获得的含羟基的丙烯酸树脂; 和其中至少一部分为异氰脲酸酯型异氰酸酯化合物的多官能异氰酸酯化合物。所制备的组合物相对于丙烯酸树脂和多官能异氰酸酯化合物的总固体含量为25〜50质量％的软链段部分，来自含内酯的单体的软链段的比例相对于这种丙烯酸树脂和多官能异氰酸酯化合物的总固体含量不超过4.5质量％。固化涂膜的动态玻璃化转变温度在30〜60℃的范围内。软链段部分由-CH 2）n表示，其中n表示4以上的整数。

2. 发明申请

US20060147639A1 Clear coating composition for an automobile and method of forming a multi-layer coating film using the same 有权
标题翻译：用于汽车的透明涂料组合物和使用其形成多层涂膜的方法
公开(公告)号：US20060147639A1
公开(公告)日：2006-07-06
申请号：US11313786
申请日：2005-12-22
申请人： Hideaki Tsujioka , Junji Shimada , Hisaki Tanabe , Mirei Kato , Yoshinori Narita
发明人： Hideaki Tsujioka , Junji Shimada , Hisaki Tanabe , Mirei Kato , Yoshinori Narita
IPC分类号： B05D3/02
CPC分类号： C08G18/791 , C08G18/6233 , C08G18/7831 , C09D133/14 , C09D175/04
摘要： A clear coating composition for an automobile, including a hydroxyl group-containing acrylic resin and a polyfunctional isocyanate compound, in which: the hydroxyl group-containing acrylic resin is a hydroxyl group-containing acrylic resin obtained by using hydroxyalkyl(meth)acrylate having a hydroxyalkyl group with 4 to 9 carbon atoms as at least a part of its monomer; at least a part of the polyfunctional isocyanate compound is an isocyanurate type isocyanate compound; and the clear coating composition is prepared such that the clear coating composition includes 25 to 50 mass % of a soft segment part with respect to a total solid content of the hydroxyl group-containing acrylic resin and the polyfunctional isocyanate compound, a ratio of a soft segment part derived from a lactone-containing monomer with respect to the total solid content of the hydroxyl group-containing acrylic resin and the polyfunctional isocyanate compound is not more than 4.5 mass %, and that a dynamic glass transition temperature of a cured coating film obtained from the clear coating composition is within a range of 30 to 60° C., the soft segment part being represented by the general formula (1) below: —(CH2)n— (1) (wherein n represents an integer of 4 or more).
摘要翻译：一种用于汽车的透明涂料组合物，包括含羟基的丙烯酸树脂和多官能异氰酸酯化合物，其中：含羟基的丙烯酸树脂是通过使用（甲基）丙烯酸羟烷基酯具有4至9个碳原子的羟基烷基作为其单体的至少一部分; 至少一部分多官能异氰酸酯化合物是异氰脲酸酯型异氰酸酯化合物; 并且制备透明涂料组合物，使得透明涂料组合物相对于含羟基的丙烯酸树脂和多官能异氰酸酯化合物的总固体含量为25〜50质量％的软链段，软质的比例相对于含羟基的丙烯酸树脂和多官能异氰酸酯化合物的固体成分，含有内酯的单体的片段部分为4.5质量％以下，得到固化涂膜的动态玻璃化转变温度透明涂料组合物在30〜60℃的范围内，软链段部分由下述通式（1）表示：＆lt;线内公式描述=“在线式”末端=“ （“2”） - （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> （其中n表示4以上的整数）。

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