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US 2001/0020060 A1Published application
Powder coating composition
AssigneeCabot Corporation
InventorsMichael A. Lucarelli, David J. Fluck, Lee C. Soule
Life of this patent
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Abstract
A composition suitable for use in a powder coating process comprising a powdered polymer composition and a metal oxide based fluidization enhancer, or a metal oxide based flatting agent.
Claims23
A powder coating composition comprising:
- at least one powdered polymer;
- and
- a metal oxide having a mean particle size of less than about 25 microns.
A powder coating composition comprising:
- from about 99.5 to about 99.9 wt % at least one powdered polymer;
- and
- from about 0.1 to about 0.5 wt % of the reaction product of fumed silica and hexamethyldisilazane having a mean particle size less than 10 microns.
A powder coating composition comprising:
- at least one powdered polymer;
- and
- the non-deammoniated reaction product of at least one metal oxide and hexamethyldisilazane.
A powder coating composition comprising:
- from about 98 to about 99.9 weight percent of at least one powdered polymer;
- and
- from about 0.1 to about 2.0 weight percent of a flatting agent that is non-deammoniated reaction product of from about 80.0 to about 99.9 weight percent fumed silica and from about 0.1 to about 20.0 weight percent hexamethyldisilazane.
Dependencies are inferred from the claim text.