Title:
THERMOPLASTIC RESIN-COATED ALUMINUM SHEET FOR BEVERAGE CAN CAP
Document Type and Number:
Japanese Patent JP2005349692
Kind Code:
A
Abstract:
To provide a thermoplastic resin-coated aluminum sheet for a beverage can cap not lowered in the adhesion of a resin coating layer even if subjected to retort treatment and excellent in corrosion resistance and flavor properties.
The thermoplastic resin-coated aluminum sheet is constituted by forming a non-porous anodization film with a porosity of 20% or below and a thickness of 30-250 nm at least on one side of a substrate body comprising aluminum or an aluminum alloy, coating the non-porous anodization film with a silane coupling agent within a range of 0.1-100 mg/m2 and forming a resin coating layer comprising a thermoplastic resin at least on one side of the substrate body.
Inventors:
NAKADA HAJIME
YAMAGUCHI KEITARO
YAMAGUCHI KEITARO
Application Number:
JP2004172565A
Publication Date:
December 22, 2005
Filing Date:
June 10, 2004
Export Citation:
Assignee:
MITSUBISHI ALUMINIUM
International Classes:
B32B15/08; C23C28/00; C25D11/04; C25D11/18; (IPC1-7): B32B15/08; C23C28/00; C25D11/04; C25D11/18
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Masakazu Aoyama
Takashi Watanabe
Masakazu Aoyama
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