Properties of the Perfluoroalkylethyl Acrylate (FA) Copolymers and Their Applications for Cosmetics.

概要

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Properties of the perfluoroalkylethyl acrylate (FA) copolymers and their applications for cosmetics were studied. The main conclusions from this study were summarized as follows: firstly, the FA copolymers which include hydrophobic comonomers made it possible to mix fluorinated compounds with non-fluorinated materials easily. This comes from the ability of FA copolymer to decrease the interfacial tension at fluorinated compound/non-fluorinated solvent. This technique can be applied to prepare the non-aqueous emulsion (perfluoropolyether/non-fluorinated solvent type) and the foundations which contain a large quantity of fluorinated powders. Secondly, the FA copolymers which include hydrophilic comonomers made it possible to repel oil both in air and in water. Its behavior was demonstrated by the surface chemistry-based measurement used with flat substrate (PET film) and with powder substrate (talc). This technique may be applied to prepare the cosmetics which are durable against sebum in all environments.
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