C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/03 (2006.01) C08J 3/20 (2006.01)
Patent
CA 2422302
An improved method and apparatus for adding relatively small amounts of one or more liquid additives to powder coating composition where the liquid is sprayed onto granular or particulate components of the powder composition during mechanical mixing to blend the components before further homogenizing by a melt mixing process.
L'invention concerne un procédé et un dispositif permettant d'ajouter des quantités relativement faibles d'un ou plusieurs additifs liquides à une composition de revêtement en poudre, le liquide étant pulvérisé sur des composants granulaires ou particulaires de la composition, en cours de mélange mécanique visant à mélanger les composants, avant l'homogénéisation ultérieure par mélange sous fusion.
Boyle Frederick P.
Taylor William P.
Walsh Paul P.
Williams Charles F.
Ridout & Maybee Llp
The Lubrizol Corporation
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