C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08J 7/04 (2006.01) C09D 161/28 (2006.01) C09D 175/04 (2006.01) C09D 201/06 (2006.01)
Patent
CA 2468639
An object of the present invention is to provide a coating film formation process which enables the formation of a coating film excellent in the metal- tone aesthetic appearance and the invisibility of aluminum flakes. As a means of achieving this object, the coating film formation process according to the present invention is a coating film formation process comprising the steps of: coating a solvent type base coat paint (B1) onto a substrate to thus form a coating film (b1) thereon; and then, after the nonvolatile component content of the coating film (b1) has reached not lower than 40 weight %, coating a shining-material-containing aqueous base coat paint (B2) onto the coating film (b1) to thus form a coating film (b2) thereon; and then, after the nonvolatile component content of the coating film (b2) has reached not lower than 70 weight %, coating a top clear paint onto the coating film (b2) to thus form a clear coating film thereon; and thereafter carrying out simultaneous baking of the formed three layers of coating films; with the process being characterized in that, as the shining-material-containing aqueous base coat paint (B2), there is used a paint which contains a rheology control agent of 0.5 to 6.0 phr in nonvolatile component weight relative to the resin's solid components and has a paint's nonvolatile component content of 10 to 20 weight % and a Ti value of not less than 3Ø
Ihara Satoru
Inoue Masanobu
Miyazoe Seigo
Ogawa Takeshi
Shiraga Ryuichi
Honda Motor Co. Ltd.
Kirby Eades Gale Baker
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