Title:
【発明の名称】上塗り塗膜形成方法
Document Type and Number:
Japanese Patent JP2683845
Kind Code:
B2
Abstract:
PCT No. PCT/JP93/00669 Sec. 371 Date Nov. 21, 1995 Sec. 102(e) Date Nov. 21, 1995 PCT Filed May 21, 1993 PCT Pub. No. WO94/27740 PCT Pub. Date Dec. 8, 1994A process for forming an overcoat by the two-coat one-bake method wherein a basecoat composition and a clear coat composition are applied to a substrate wet-on-wet and thereafter cured at the same time by heating, the process being characterized in that the base coat composition is a coating composition consisting primarily of a hydroxyl-containing resin, an amine resin, a pigment and an organic solvent, the clear coat composition being a coating composition comprising: (A) at least one resin selected from the group consisting of (i) a resin having at least one epoxy group and at least one hydroxyl group in the molecue, (ii) a resin mixture of (ii-1) a resin having at least two epoxy groups in the molecule and (ii-2) a resin having at least two hydroxyl groups in the molecule, (iii) a resin having at least two epoxy groups in the molecule, and (iv) any mixture thereof, (B) a crosslinking agent comprising a compound having at least two noncyclic acid anhydride groups and represented by the formula wherein R is a monovalent hydrocarbon group having 2 to 50 carbon atoms, R' is a bivalent hydrocarbon group having 2 to 50 carbon atoms, the hydrocarbon groups R and R' containing or not containing an ether linkage, urethane linkage or ester linkage, and n is an integer of 1 to 500 and (C) a curing catalyst.
Inventors:
Akira Kasari
Nordstrom John David
Matsumoto Naoji
Satoshi Ikushima
Isozaki
Nordstrom John David
Matsumoto Naoji
Satoshi Ikushima
Isozaki
Application Number:
JP50046595A
Publication Date:
December 03, 1997
Filing Date:
May 21, 1993
Export Citation:
Assignee:
KANSAI PAINT CO.,LTD.
E. I. DuPont Doo Nemours & Company
E. I. DuPont Doo Nemours & Company
International Classes:
B05D1/36; B05D3/02; B05D5/00; B05D7/00; B05D7/24; B05D7/26; C08G59/42; C09D133/04; C09D133/06; C09D133/14; C09D161/20; C09D163/00; C09D167/00; C09D167/02; C09D201/02; C09D201/06; C08L33/06; C08L73/02; (IPC1-7): B05D1/36; B05D5/00; B05D7/24; C09D133/14; C09D161/20; C09D163/00; C09D167/02; C09D201/02
Domestic Patent References:
| JP6470176A | ||||
| JP6384673A | ||||
| JP6384674A |
Attorney, Agent or Firm:
Eiji Saegusa (2 others)