Invention Grant
- Patent Title: Resin-coated metal sheet
- Patent Title (中): 树脂涂层金属板
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Application No.: US10594533Application Date: 2005-03-30
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Publication No.: US07691483B2Publication Date: 2010-04-06
- Inventor: Yoichiro Yamanaka , Takeshi Suzuki , Hiroki Iwasa , Junichi Kitagawa , Toyofumi Watanabe , Shinsuke Watanabe , Mitsunori Ota
- Applicant: Yoichiro Yamanaka , Takeshi Suzuki , Hiroki Iwasa , Junichi Kitagawa , Toyofumi Watanabe , Shinsuke Watanabe , Mitsunori Ota
- Applicant Address: JP Tokyo
- Assignee: JFE Steel Corporation
- Current Assignee: JFE Steel Corporation
- Current Assignee Address: JP Tokyo
- Agency: Frishauf, Holtz, Goodman & Chick, P.C.
- Priority: JP2004-109078 20040401; JP2004-109079 20040401
- International Application: PCT/JP2005/006732 WO 20050330
- International Announcement: WO2005/095104 WO 20051013
- Main IPC: B32B15/09
- IPC: B32B15/09 ; B32B27/08

Abstract:
The resin-coated metal sheet is composed of: a metal sheet; a lower resin layer containing a hydrophilic copolyester, formed on at least one side of the metal sheet; and an upper resin layer containing a polyester containing a diol component composed of a diol derivative of 1 to 10% by mole of alicyclic compound and 99 to 90% by mole of ethylene glycol, and a dicarboxylic acid component consisting of terephthalic acid, formed on the lower resin layer. The sum of cyclic trimer of alkylene terephthalate existing in the upper resin layer and the lower resin layer is 0.9% or less by mass. Since the manufacture of food cans using the resin-coated metal sheet does not induce white haze phenomenon and retort blushing phenomenon on outer surface of the can even after retorting, the decorative appearance on outer surface of the can is not deteriorated.
Public/Granted literature
- US20070202309A1 Resin-Coated Metal Sheet Public/Granted day:2007-08-30
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