Solution Copolymerizations of N-Vinyl-2-Pyrrolidone with Acrylic Acid, Methacrylic Acid and Vinyl Acetate for Applications in Hair Cosmetics

December 2020 in “ Macromolecular Symposia ”

Ariane Souza Abreu, Marcel Guimarães Martins, Thamiris Franckini Paiva, Helen Conceição Ferraz, José Carlos Pinto

N-vinyl-2-pyrrolidone acrylic acid methacrylic acid vinyl acetate keratin homopolymers copolymers

TLDR These polymers can improve hair texture and reduce water loss in hair cosmetics.

The study investigated the production of N-vinyl-2-pyrrolidone homopolymers and copolymers with acrylic acid, methacrylic acid, and vinyl acetate for use in hair cosmetics. These polymers were produced through aqueous solution polymerizations, and their properties were analyzed for potential applications in hair care. The results indicated that the poly(N-vinyl-2-pyrrolidone) (PVP) homopolymer and copolymers could be synthesized with high molar masses, forming films that interact well with keratin. Incorporating acrylic acid and methacrylic acid into the PVP chains improved the mechanical properties of the films but negatively impacted the polymer-keratin interaction.

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