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1. 发明申请

WO2006031012A1 FILMS OR STRUCTURAL EXTERIOR MATERIALS USING COATING COMPOSITION HAVING SELF-CLEANING PROPERTY AND PREPARATION METHOD THEREOF 审中-公开
标题翻译：使用具有自清洁性的涂料组合物的薄膜或结构外部材料及其制备方法
公开(公告)号：WO2006031012A1
公开(公告)日：2006-03-23
申请号：PCT/KR2005002038
申请日：2005-06-29
申请人： LG CHEMICAL LTD
发明人： KANG YANG-GU , LEE SEUNG-HEON , HONG YOUNG-JUN , KIM JUNG-HOON , LEE HYE-JEONG , SHIN SANG-HO , JANG SUNG-HOON , SHIN HONG-CHEUL , CHANG YEONG-RAE , LEE YEON-BIN
IPC分类号： C09D5/00 , C09D5/16 , C09D5/32 , C09D7/12 , C09D183/00 , C09D183/02 , C09D183/04
CPC分类号： C09D183/04 , Y10T428/31652 , Y10T428/31663
摘要： Disclosed is a coating composition comprising: (a) hydroxy group-containing inorganic particles having an average particle diameter of between 5 and 30 nm; (b) hydroxy group- containing inorganic particles having an average particle diameter of between 0.2 and 5 D; (c) an organosilane compound represented by the formula of R n Si(OR') 4-n (wherein R is a C1-C8 aminoalkyl group, glycidoxyalkyl group or isocyanatoalkyl group; R'is a C1-C6 lower alkyl group; and n is an integer of between 0 and 3); and (d) a solvent. A method for preparing the above coating composition, a substrate such as film or structural exterior material, having excellent self-cleaning property and staining resistance by using the above coating composition and methods for producing the same are also disclosed. The coating composition using hydroxy group-containing inorganic particles can improve the initial hydrophilicity of conventional coating agents. Additionally, the coating composition can form a hydrophilic coating layer having a contact angle with water of 30°or less by using two kinds of inorganic particles having a different particles diameter. Particularly, the coating composition uses an organic solvent having erosive property to a substrate to be coated and a low boiling point, and thus can be applied to a conventional production line for structural exterior materials without adding a separate coating line. Therefore, the coating composition can provide structural materials having hydrophilicity, excellent self-cleaning property and long service life, when coated on substrates such as vinyl sidings.
摘要翻译：公开了一种涂料组合物，其包含：（a）平均粒径为5至30nm的含羟基的无机颗粒; （b）平均粒径在0.2〜5D之间的含羟基的无机粒子; （c）由式R n Si（OR'）4-n表示的有机硅烷化合物（其中R是C1-C8氨基烷基，缩水甘油氧基烷基或异氰酸根合烷基; R'是C1-C6低级烷基;和 n是0和3之间的整数）; 和（d）溶剂。还公开了制备上述涂料组合物的方法，诸如膜或结构外部材料的基材，通过使用上述涂料组合物及其制备方法具有优异的自洁性和耐污染性。使用含羟基的无机颗粒的涂料组合物可以改善常规涂布剂的初始亲水性。此外，涂料组合物可以通过使用具有不同粒径的两种无机颗粒形成与水的接触角为30°或更小的亲水性涂层。特别地，涂料组合物使用对被涂布基材具有侵蚀性的有机溶剂和低沸点，因此可以应用于常规的结构外部材料生产线而不添加单独的涂布线。因此，当涂覆在诸如乙烯基侧基材上时，涂料组合物可以提供具有亲水性，优异的自清洁性和长使用寿命的结构材料。

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