发明申请
US20090246472A1 Precoated sheet having good workability and scratch resistance and method for production thereof
审中-公开
具有良好的加工性和耐划伤性的预涂片及其制造方法
- 专利标题: Precoated sheet having good workability and scratch resistance and method for production thereof
- 专利标题(中): 具有良好的加工性和耐划伤性的预涂片及其制造方法
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申请号: US11990828申请日: 2006-03-10
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公开(公告)号: US20090246472A1公开(公告)日: 2009-10-01
- 发明人: Hiroshi Kanai , Hiroyasu Furukawa , Magonori Nagase
- 申请人: Hiroshi Kanai , Hiroyasu Furukawa , Magonori Nagase
- 优先权: JP2005-250971 20050831
- 国际申请: PCT/JP2006/305299 WO 20060310
- 主分类号: B05D5/00
- IPC分类号: B05D5/00 ; B32B7/04 ; B32B3/26
摘要:
The invention relates to precoated sheets, including precoated metal sheets, each having an appearance of orange peel, and good workability and scratch resistance. The precoated sheet of the invention has a filtered center line waviness curve (Wca) of the outermost surface of coated film of 0.35 μm≦Wca≦1.25 μm, and a mean spacing of local peaks of filtered center line waviness curve (Wc−sm) of 2800 μm≦Wc−sm≦12500 μm, and has a wavy structure at the interface between the outermost coated film layer and the lower coated film layer. Preferably, the precoated sheet is designed to satisfy the conditions that a wavy curve W revealed when observing the interface between the outermost coated film layer and the lower coated film layer in the section of the film thickness direction (1) comprises a big wave defined as a wave having a region in which A≦0.8B, wherein A is a distance between the outermost surface S of the coated film and the wavy curve W at the interface, and B is an average film thickness of the outermost coated film layer, and (2) has an average distance between the big waves of not greater than 750 μm.