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1. 发明申请

US20070073023A1 DEFOAMERS FOR TOP COAT PAINTS FOR MOTOR VEHICLES 有权
标题翻译：用于电动车辆的顶层涂料的防腐剂
公开(公告)号：US20070073023A1
公开(公告)日：2007-03-29
申请号：US11559256
申请日：2006-11-13
申请人： Takao Uehara , Jun Yamazaki , Kiyomasa Ohira , Shigehiro Kawahito
发明人： Takao Uehara , Jun Yamazaki , Kiyomasa Ohira , Shigehiro Kawahito
IPC分类号： C08F118/02
CPC分类号： C09D11/106 , C08F220/18 , C08F220/36 , C09D7/47 , C09D7/65
摘要： The invention provides novel defoamers which are useful as defoamers for top coat paints for motor vehicles. When the defoamers are incorporated with paints which do not use melamine resins as the curing agent, they can impart defoaming property to the paints without inviting turbidity in the painted films caused by infiltration of water. Hence the defoamers are particularly useful when used for baking finish type clear top coat paints for motor vehicles. The defoamer is characterized by comprising a copolymer of 2-50% by weight of (A) a polymerizable monomer capable of forming a copolymer having isocyanate groups which can react with a binder resin in thermosetting type paint or (b) a polymerizable monomer capable of forming a copolymer having the groups which produce isocyanate groups reactable with a binder resin in thermosetting type paint during the baking step of the same paint, and 98-50% by weight of (C) a monomer or polymer conventionally used for defoamers.
摘要翻译：本发明提供了新型消泡剂，其可用作汽车用面漆涂料的消泡剂。当消泡剂掺入不使用三聚氰胺树脂的油漆作为固化剂时，它们可以赋予油漆消泡性，而不会由于渗透水引起的涂膜中的浊度。因此，当用于机动车辆的烘烤精加工型清漆面漆时，消泡剂特别有用。消泡剂的特征在于包含2-50重量％的（A）能够形成具有异氰酸酯基的共聚物的共聚物，该异氰酸酯基团可以与热固性型涂料中的粘合剂树脂反应，或（b）能够在相同涂料的烘烤步骤中形成具有在热固型涂料中产生可与粘合剂树脂反应的基团的共聚物，和（C）常规用于消泡剂的单体或聚合物的98-50重量％。

2. 发明授权

US08173751B2 Defoamers for top coat paints for motor vehicles 有权
标题翻译：机动车顶漆涂料消泡剂
公开(公告)号：US08173751B2
公开(公告)日：2012-05-08
申请号：US11559256
申请日：2006-11-13
申请人： Takao Uehara , Jun Yamazaki , Kiyomasa Ohira , Shigehiro Kawahito
发明人： Takao Uehara , Jun Yamazaki , Kiyomasa Ohira , Shigehiro Kawahito
IPC分类号： C08F271/00 , C08F118/02 , C08L31/00 , C08L33/06
CPC分类号： C09D11/106 , C08F220/18 , C08F220/36 , C09D7/47 , C09D7/65
摘要： The invention provides novel defoamers which are useful as defoamers for top coat paints for motor vehicles. When the defoamers are incorporated with paints which do not use melamine resins as the curing agent, they can impart defoaming property to the paints without inviting turbidity in the painted films caused by infiltration of water. Hence the defoamers are particularly useful when used for baking finish type clear top coat paints for motor vehicles. The defoamer is characterized by comprising a copolymer of 2-50% by weight of (A) a polymerizable monomer capable of forming a copolymer having isocyanate groups which can react with a binder resin in thermosetting type paint or (b) a polymerizable monomer capable of forming a copolymer having the groups which produce isocyanate groups reactable with a binder resin in thermosetting type paint during the baking step of the same paint, and 98-50% by weight of (C) a monomer or polymer conventionally used for defoamers.
摘要翻译：本发明提供了新型消泡剂，其可用作汽车用面漆涂料的消泡剂。当消泡剂掺入不使用三聚氰胺树脂的油漆作为固化剂时，它们可以赋予油漆消泡性，而不会由于渗透水引起的涂膜中的浊度。因此，当用于机动车辆的烘烤精加工型清漆面漆时，消泡剂特别有用。消泡剂的特征在于包含2-50重量％的（A）能够形成具有异氰酸酯基的共聚物的共聚物，该异氰酸酯基团可以与热固性型涂料中的粘合剂树脂反应，或（b）能够在相同涂料的烘烤步骤中形成具有在热固型涂料中产生可与粘合剂树脂反应的基团的共聚物，以及（C）常规用于消泡剂的单体或聚合物的98-50重量％。

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