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US 8,361,949 B2Granted
Treatment enabling the removal of a coating and/or stain from a construction material
AssigneeRhodia Operations
InventorsSylvie Touzet, Evelyne Prat, Florence Deschaseaux, Valérie Billebaud
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Abstract
The invention relates to a treatment that can be used to remove a coating and/or stain from a construction material, such as anti-graffiti treatment. The inventive treatment uses a beta-dicarbonyl product.
Claims12
A process for treating a building material to facilitate the removal of a paint, comprising:
- applying to the material a composition comprising a B-dicarbonyl compound selected from the group consisting of:
- 5-methyl-1-phenylhexane-1,3-dione,
- octanoylbenzoylmethane,
- heptanoylbenzoylmethane,
- stearoylbenzoylmethane,
- dibenzoylmethane,
- calcium and zinc acetylacetonate, or
- a mixture thereof;
- wherein said composition comprises at least 50% by weight of at least one of the β-dicarbonyl compounds.
6 more elements
A process for removing a coating and/or soiling from a building material, comprising the steps of:
- applying a composition comprising at least one β-dicarbonyl compound to said material, and
- partially or totally removing the coating and/or soiling from said material;
- wherein said β-dicarbonyl compound comprises:
- 5-methyl-1-phenylhexane-1,3-dione,
- octanoylbenzoylmethane,
- heptanoylbenzoylmethane,
- stearoylbenzoylmethane,
- dibenzoylmethane,
- calcium or zinc acetylacetonate, or
- a mixture thereof;
- and
- further wherein said composition comprises at least 50% by weight of at least one of the β-dicarbonyl compounds.
9 more elements
A process for treating a building material to facilitate the removal of a coating and/or soiling, comprising:
- applying to the material a composition comprising:
- 5-methyl-1-phenylhexane-1,3-dione,
- octanoylbenzoylmethane,
- heptanoylbenzoylmethane,
- stearoylbenzoylmethane,
- dibenzoylmethane, or
- a mixture thereof.
4 more elements
Dependencies are inferred from the claim text.