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1. 发明专利

JP2014094348A Coating method and hardener for polyurethane coating 有权
标题翻译：聚氨酯涂料的涂料方法和硬化剂
公开(公告)号：JP2014094348A
公开(公告)日：2014-05-22
申请号：JP2012247541
申请日：2012-11-09
申请人： Sumika Bayer Urethane Kk , 住化バイエルウレタン株式会社
发明人： SHIGEMORI TOMOKAZU , MORITA HIROSHI
IPC分类号： B05D7/24 , B05D1/36 , C09D175/04 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To provide a coating method which is based on a two-coat-one-bake system and comprises applying an aqueous base-coat coating and then a clear-coat coating and hardening the two coating films simultaneously and improves adhesion strength between the two coating film layers, compared with conventional methods.SOLUTION: A coating method uses a specified hardener in a clear-coat coating. The hardener (1) contains a reaction product of (i) 1,6-hexamethylene diisocyanate derivative containing the trimer and practically no diisocyanate monomer with (ii) a compound having an active hydrogen and a hydrophilic group together and (2) has a viscosity at 23°C of 1,000 mPa s or lower. The compound having an active hydrogen and a hydrophilic group together is a compound of formula (I) having an active hydrogen containing group and a sulfo group: formula (I) X-R-SOH, where X is an amino group, an alkylamino group, a cycloalkylamino group or a hydroxyl group; and R is an aliphatic or alicyclic hydrocarbon group. The sulfo group in the hardener is preferably neutralized with a tertiary amine.
摘要翻译：要解决的问题：提供一种基于二层一体烘烤系统的涂布方法，包括施加水性基底涂层，然后同时进行透明涂层涂布和硬化两个涂膜，并提高粘合强度在两个涂膜层之间，与常规方法相比。解决方案：涂层方法在透明涂层中使用指定的固化剂。固化剂（1）含有（i）含有三聚物并且实际上不含二异氰酸酯单体的1,6-六亚甲基二异氰酸酯衍生物与（ii）具有活性氢和亲水基团的化合物在一起的反应产物，（2）具有粘度在23℃下为1000mPa·s以下。具有活性氢和亲水基团的化合物是具有含活性氢基团和磺基的式（I）化合物：式（I）XR-SOH，其中X是氨基，烷基氨基，环烷基氨基或羟基; R是脂族或脂环族烃基。硬化剂中的磺基优选用叔胺中和。

2. 发明专利

JP2014014763A Coating method and curative agent for polyurethane coating material 有权
标题翻译：聚氨酯涂料的涂布方法和润肤剂
公开(公告)号：JP2014014763A
公开(公告)日：2014-01-30
申请号：JP2012153298
申请日：2012-07-09
申请人： Sumika Bayer Urethane Kk , 住化バイエルウレタン株式会社
发明人： SHIGEMORI TOMOKAZU , MORITA HIROSHI
IPC分类号： B05D1/36 , B05D7/24 , C09D7/12 , C09D175/04
摘要： PROBLEM TO BE SOLVED: To provide a coating method in which a clear coating material is coated after coating a base coating material, whereafter the two coated films are cured at the same time according to a two-coat-one-bake method, and in which adhesive strength between the two coated films is increased compared to a conventional method.SOLUTION: A specific curative agent is used for a clear coating material. The curative agent contains polyisocyanate derived from 1,6-hexamethylene diisocyanate, and a coating method satisfies all of the following conditions: 1) the curative agent does not materially contain diisocyanate monomer, 2) viscosity of the curative agent is 1000 mPa s/23°C or less, 3) a percentage content of HDI trimer is 60 wt.% or more in the curative agent, and 4) a percentage content of HDI dimer is less than 10 wt.% in the curative agent.
摘要翻译：要解决的问题：为了提供一种在涂覆基底涂料之后涂布透明涂层材料的涂布方法，然后根据双涂层一烘烤方法同时固化两个涂膜，与常规方法相比，两种涂膜之间的粘合强度增加。解决方案：使用特定的固化剂用于透明涂层材料。固化剂含有由1,6-六亚甲基二异氰酸酯衍生的多异氰酸酯，涂布方法满足以下所有条件：1）固化剂不含二异氰酸酯单体，2）固化剂的粘度为1000mPa·s / 23 ℃）3）固化剂中HDI三聚体的含量百分含量为60重量％以上，4）固化剂中HDI二聚体的含量百分含量低于10重量％。

3. 发明专利

JP2014118430A Thermosetting coating composition and its coating film 审中-公开
标题翻译：热镀膜组合物及其涂膜
公开(公告)号：JP2014118430A
公开(公告)日：2014-06-30
申请号：JP2012272416
申请日：2012-12-13
申请人： Sumika Bayer Urethane Kk , 住化バイエルウレタン株式会社
发明人： SHIGEMORI TOMOKAZU , MORITA HIROSHI
IPC分类号： C09D201/00 , C09D133/00 , C09D161/20 , C09D163/00 , C09D167/00 , C09D175/04
摘要： PROBLEM TO BE SOLVED: To provide a thermosetting coating composition and its coating film, excellent in coating film appearance, weather resistance, VOC reduction, high solid content increase and stability of a coating material.SOLUTION: There are provided a thermosetting coating composition containing (A) as a main component and (B) a component, and a coating film made from the thermosetting coating composition. (A) A one-liquid-type thermosetting resin. (B) A urethane oligomer made by reacting monoalcohol with at least one of aliphatic diisocyanate monomers and alicyclic diisocyanate monomers.
摘要翻译：要解决的问题：提供一种热固性涂料组合物及其涂膜，涂膜外观，耐候性，VOC降低，固体含量增加和涂料稳定性优异。本发明提供一种含有（ A）和（B）成分，以及由该热固性涂料组合物制成的涂膜。（A）单液型热固性树脂。（B）通过一元醇与脂族二异氰酸酯单体和脂环族二异氰酸酯单体中的至少一种反应制得的氨基甲酸酯低聚物。

4. 发明专利

JP2013151645A Aqueous urethane resin composition 审中-公开
标题翻译：水性尿素树脂组合物
公开(公告)号：JP2013151645A
公开(公告)日：2013-08-08
申请号：JP2012226815
申请日：2012-10-12
申请人： Sumika Bayer Urethane Kk , 住化バイエルウレタン株式会社
发明人： NAKAO MAKOTO , MORITA HIROSHI
IPC分类号： C08G18/65
CPC分类号： C08G18/3821 , C08G18/6245 , C08G18/6254 , C08G18/6529 , C08G18/706 , C08G18/73 , C08G18/792 , C08K3/20 , C09D175/12
摘要： PROBLEM TO BE SOLVED: To provide an aqueous urethane resin composition having high reactivity and excellent dryability even under a low-temperature environment.SOLUTION: An aqueous urethane resin composition contains (A) hydrophilic polyol as a main component and (B) water-dispersible polyisocyanate and (C) aspartate having a secondary amino group.
摘要翻译：要解决的问题：提供即使在低温环境下也具有高反应性和优异的干燥性的水性聚氨酯树脂组合物。溶液：水性聚氨酯树脂组合物含有（A）亲水性多元醇作为主要成分，（B）水分散性多异氰酸酯和（C）具有仲氨基的天冬氨酸。

5. 发明专利

JP2002179998A COATING COMPOSITION AND COATED STEEL SHEET USING THE SAME 失效
公开(公告)号：JP2002179998A
公开(公告)日：2002-06-26
申请号：JP2000378708
申请日：2000-12-13
申请人： SUMIKA BAYER URETHANE KK
发明人： MORITA HIROSHI
IPC分类号： B05D7/14 , B05D7/24 , B32B15/08 , B32B15/09 , C09D163/00 , C09D175/04 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a coating composition which can form a coating film excellent in resistance to scratch due to thick coating, excellent in low- temperature processibility, and is free from the generation of thermal cracks in molded sections. SOLUTION: This composition comprises (A) 20-90 pts.wt. hydroxyl-containing polyester resin having a number average mol.wt. of 1,000-10,000, a glass transition point of -40 deg.C to 50 deg.C, and a hydroxyl value of 5-100 mgKOH/g, (B) 3-50 pts.wt. blocked polyisocyanate compound, (C) 2-30 pts.wt. epoxy resin having a number average mol.wt. of 2,000 or higher, and (D) 3-30 pts.wt. hydroxyl- containing crystalline resin having a number average mol.wt. of 500-10,000, the equivalent ratio of blocked isocyanate groups of ingredient B to the sum of hydroxyl groups of ingredients A and D being in the range of 0.8-1.2.

6. 发明专利

JP2002047445A COATING MATERIAL COMPOSITION AND COATED STEEL SHEET MADE BY USING THE SAME 失效
公开(公告)号：JP2002047445A
公开(公告)日：2002-02-12
申请号：JP2000234357
申请日：2000-08-02
申请人： SUMIKA BAYER URETHANE KK
发明人： MORITA HIROSHI
IPC分类号： B32B15/08 , B32B15/09 , B32B15/092 , B32B15/095 , C09D5/00 , C09D167/00 , C09D175/04
摘要： PROBLEM TO BE SOLVED: To obtain a coating material composition which gives excellent marring resistance by thick coating and can form a coating film free from the occurrence of thermal cracks on a film at a formed and processed part. SOLUTION: The coating material composition consists of (A) 20-90 pts.wt. hydroxylated polyester resin having a number-average molecular weight of 1,000 to 10,000, a glass transition temperature of -40 to 50 deg.C and a hydroxyl value of 5-100 mgKOH/g, (B) 3-50 pts.wt. blocked polyisocyanate compound, (C) 3-30 pts.wt. epoxy resin having a number-average molecular weight of 300 to 3,000, and (D) 3-30 pts.wt. of at least one crystalline resin selected from hydroxylated crystalline polyester resin each having a number-average molecular weight of 500 to 10,000 and hydroxylated crystalline polyurethane resins, wherein the equivalent ratio of the blocked isocyanato groups of the blocked polyisocyanate compound (B) to the total hydroxyl groups of the polyester resin (A) and the crystalline resin (D) is (0.8 to 1.2):1.

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