Title:
COATED OR SURFACE TREATED STEEL PLATE FOR FILM LAMINATE TWO-PIECE CAN HAVING GOOD PROCESSING ADHERENCE AND PROCESSING CORROSION RESISTANCE AND MANUFACTURE THEREOF
Document Type and Number:
Japanese Patent JP3147715
Kind Code:
B2
Abstract:
PURPOSE: To obtain a coated or film laminate steel plate having good processing adherence and processing corrosion resistance by a method in which in forming an electrolytic chromate- treated membrane consisting of the lower layer of a metallic chromium layer and the upper layer of a hydrated chromium oxide layer containing an organic resin on one side of a ground steel plate, the amount of applied chromium of each layer and the content of the organic resin are specified, respectively.
CONSTITUTION: An electrolytic chromate treated membrane consisting of a lower layer of a metallic chromium layer of 30-300mg/m2 per one side and an upper layer of a hydrated chromium oxide layer corresponding to 5-30mg/m2 metallic chromium per one side is formed at least on one side of a ground steel plate. The hydrated chromium oxide layer contains an organic component which contains at least one kind of organic resins of 1000 or more molecular weight having a carboxylic group in a molecule and the average adhesion amount of which is 1-1000mg/m2 as solid component density. As a result, the deterioration of processing adherence and processing corrosion resistance due to the increase in the degree of processing associated with the thinning of a can body which is promoted in view of resource saving can be controlled.
Inventors:
Reiko Sugihara
Kei Kubo
Hiroki Iwasa
Kei Kubo
Hiroki Iwasa
Application Number:
JP15046895A
Publication Date:
March 19, 2001
Filing Date:
June 16, 1995
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
B05D3/10; B05D5/00; B05D7/14; B05D7/24; B32B15/08; B32B15/09; C23C22/24; C23C28/00; C25D11/38; (IPC1-7): B05D7/14; B05D5/00; B05D7/24; B32B15/08; C23C22/24; C23C28/00; C25D11/38
Domestic Patent References:
| JP4308092A | ||||
| JP5719398A | ||||
| JP270430A | ||||
| JP474176B2 |
Attorney, Agent or Firm:
Takehiko Suzue