Silica-free surface abrasion compositions and their uses
AssigneeCal-West Specialty Coatings, Inc.
InventorsRobert Mesa, Edward Woodhall
Life of this patent
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Abstract
This invention provides for provides for abrasive compositions and methods of use of these compositions for the preparation of surfaces for the application of various coatings such as paints, lacquers and varnishes. The abrasive compositions of this invention provide rapid cleaning and dulling of the underlying surface rendering it suitable for the application of paints or other finishes.
Claims93
A composition for preparing a plastic surface for application of paint or other overcoating, said composition comprising:
- about 1.0% to about 80%, by weight, a particulate abrasive;
- and
- about 0.1% to about 10%, by weight a suspension agent,
- wherein said composition lacks an aliphatic hydrocarbon cleaning agent.
The method of claim 72, wherein said plastic surface is not pre-baked prior to application of said paint or other overcoating.
The method of claim 72, wherein said plastic surface is not degreased prior to application of said paint or other overcoating.
The method of claim 72, wherein said plastic surface is a surface of a component for a motor vehicle.
The method of claim 72, wherein said plastic surface is a surface of a bumper for a motor vehicle.
A composition for preparing a surface for application of paint or other overcoating, said composition comprising:
- about 1.0% to about 80%, by weight, a particulate abrasive, wherein said particulate abrasive lacks silica;
- and
- about 0.1% to about 10%, by weight a suspension agent.
A method of coating a painted surface, wherein said painted surfaces comprises nanoceramic particles, said method comprising:
- i) abrading said paint surface with a foam or gel comprising:
- about 1.0% to about 80% by weight of a particulate abrasive wherein said particulate abrasive is an aluminum oxide having a mohs hardness of about 9;
- about 0.1% to about 10% by weight of a suspension agent;
- a surfactant;
- and
- ii) removing said foam or gel from said surface.
Dependencies are inferred from the claim text.