Title:
ONE-PACKAGE LOW-TEMPERATURE CURING CLEAR COATING MATERIAL
Document Type and Number:
Japanese Patent JP3249053
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a one-package low-temperature-curing clear coating material which, even when backed at low temperatures, can cure to form a cured coating film having excellent staining and acid resistances without detriment to the flexibility.
SOLUTION: This material comprises a resin component containing an acrylpolyol having a hydroxyl value of 60-200KOHmg/g, a crosslinking agent containing a blocked isocyanate as the essential component and a melamine resin as an optional component and a blocked isocyanate dissociation catalyst essentially consisting of a dicarboxylate of dibutyltin, and satisfies the requirement that the weight ratio of the blocked isocyanate to the melamine resin is 100/0 to 30/70. The glass transition temperature of a cured coating film obtained from the material is 50-65°C.
Inventors:
Kenji Kawazu
Hiroshi Iida
Hiroshi Iida
Application Number:
JP26004596A
Publication Date:
January 21, 2002
Filing Date:
September 30, 1996
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Nippon Bee Chemical Co., Ltd.
Nippon Bee Chemical Co., Ltd.
International Classes:
C09D5/00; C09D133/14; C09D175/04; (IPC1-7): C09D175/04; C09D133/14
Attorney, Agent or Firm:
Takehiko Matsumoto
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