Title:
WATER-BASED COMPOSITION FOR PROTECTIVE FILM FORMATION
Document Type and Number:
WIPO Patent Application WO/2002/014458
Kind Code:
A1
Abstract:
A water-based composition for protective film formation, characterized by containing a water-compatible inorganic salt and a smectite clay mineral. By merely applying the composition to a surface of a metallic material and drying it, a coating film can be formed which is less apt to have spots and is even, and is equal or superior in processability and seizing resistance to coating films formed by a chemical treatment. In the case where the composition further contains a lubricating ingredient, the coating film can further have improved lubricity.
Inventors:
KOMIYAMA SHINOBU (JP)
YAMAGUCHI HIDEHIRO (JP)
SEO AKIHIRO (JP)
YAMAGUCHI HIDEHIRO (JP)
SEO AKIHIRO (JP)
Application Number:
PCT/JP2001/006961
Publication Date:
February 21, 2002
Filing Date:
August 13, 2001
Export Citation:
Assignee:
NIHON PARKERIZING (JP)
KOMIYAMA SHINOBU (JP)
YAMAGUCHI HIDEHIRO (JP)
SEO AKIHIRO (JP)
KOMIYAMA SHINOBU (JP)
YAMAGUCHI HIDEHIRO (JP)
SEO AKIHIRO (JP)
International Classes:
C10M141/00; C10M141/02; C10M161/00; C10M173/02; (IPC1-7): C10M173/02; C10M125/30; C10M125/04; B21D37/18; B21J3/00
Foreign References:
| JPH0978080A | 1997-03-25 | |||
| JPS6416894A | 1989-01-20 | |||
| JPS5022516B1 | 1975-07-31 | |||
| JPS56125497A | 1981-10-01 | |||
| JP2001234189A | 2001-08-28 |
Other References:
See also references of EP 1316603A4
Attorney, Agent or Firm:
Sakaguchi, Shozo (Nishifuna Funabashi-shi Chiba, JP)
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