Patents

Avon Patents Composition To Impart Superhydrophobicity

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By: TOM BRANNA

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US Patent No. 8,999,307 B2; Avon has patented a method for rendering keratin fiber water-repellant. It entails applying a composition comprising one hydrophobic particulate material consisting of octylsilyl-functionalized fumed alumina; a second hydrophobic particulate material having a coefficient of dynamic friction less than 0.5 that contains spherical particles of a polymer selected from the group consisting of polyethylene, polypropylene, polytetrafluoroethylene, polyvinylchloride, polyvinyledenefluoride, polyamide-imide, polymethylmethacrylate, polyetheretherketone, polyethylene terephthalate polyester, polystyrene, polydimethylsiloxanes, polysmethylsilsesquioxane, polyamide powder, vinyl dimethicone/methicone silsesquioxane crosspolymer, silicone elastomer, polysilicones, and combinations thereof; optionally a shine enhancing agent, a hydrophobic film former, non-volatile liquid constituents, a filler, a cationic hair conditioning agent, and other active and inactive ingredients; and; a volatile solvent.

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