Hybrid coated cosmetic powders and methods of making and using same

Hybrid coated cosmetic powders and methods of making and using same

A hybrid coating material and process for pigments and other powders, for example cosmetic powders employs an organometallate, for example a titanate, and a functionalized silicon compound, for example a trialkoxysilane or a functionalized polysiloxane, which covalently bond to each other and to the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Schlossman, David, Shao, Yun
Format: Patent
Sprache:eng
Schlagworte:
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PERFORMING OPERATIONS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
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Beschreibung
Zusammenfassung:A hybrid coating material and process for pigments and other powders, for example cosmetic powders employs an organometallate, for example a titanate, and a functionalized silicon compound, for example a trialkoxysilane or a functionalized polysiloxane, which covalently bond to each other and to the substrate powder. The coated powders can exhibit excellent hydrophobicity coupled with lipophilicity. Employment of fluorinated silicon compounds may provide hydrophobicity and lipophobicity. Examples show good dispersibility of coated pigments in aqueous, oil and silicone fluids.