Coated powder, coating composition, and coated article

Details Coated powder, coating composition, and coated article Coated powder, coating composition, and coated article

C - Chemistry, Metallurgy

09

C

C09C 3/06 (2006.01) C09C 1/64 (2006.01) C09D 5/36 (2006.01) C09D 7/12 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2477956

A coated powder having a coating on its base particle has a spectorophotometric characteristic such that the ratio (H/W) of the height (H) of the peak in the reflection spectrum ranging from 380 nm to 780 nm of when the vertical reflectance of the coated powder is measured to the half width (W) of the peak is over one when the ratio of the length (wavelength specific width L) of 400 nm of the reflection spectrum to the height (reflectance specific width R) of the 100% ordinate axis reflectance is L:R = 5:2. The color of this coated power is bright and deep. A coating composition and a coated article are also disclosed.

L'invention porte sur une poudre enrobée dont les particules de base sont enrobées et dont les caractéristiques spectrophotométriques présentent un rapport H/W de la hauteur (H) du pic du spectre réfléchi (qui va de 380 nm à 780 nm), et la demi-largeur (W) du pic, supérieur à 1, alors que la réflectance verticale de la poudre enrobée est mesurée à la demi-largeur (W) du pic, et que le rapport L/R entre: la longueur (largeur spécifique de la longueur d'onde L) de 400 nm du spectre réfléchi, et la hauteur (largeur spécifique de la réflectance R) de 100 % de la réflectance sur l'axe des ordonnées, est de 5/2,. La couleur de la poudre enrobée est brillante et profonde. L'invention porte également sur une composition de revêtement et sur des articles en étant revêtus.

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