Heterocyclic quaternary polyammonium silicon polymers and...

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 77/54 (2006.01) A61K 7/06 (1995.01)

Patent

CA 2288998

The invention concerns novel polymers comprising at least units of formula (I) wherein A¿1??+¿ and A¿2??+¿, identical or different, represent: a) a quaternary unsaturated heterocyclic compound; or b) a quaternary ammonium and at least one of groups A¿1??+¿ and A¿2??+¿ represents a quaternary unsaturated heterocycle; p represents an integer or decimal from 0 to 50; B¿1? represents an .alpha., .omega. bis alkyl polysiloxane or a hydrocarbon chain, linear or branched, saturated or unsaturated comprising up to 6 consecutive carbon atoms, capable of comprising one or several hydroxyl groups and of being interrupted by one or several oxygen atoms and/or several aromatic cycles; B¿2? represents a hydrocarbon chain, linear or branched, saturated or unsaturated comprising up to 6 consecutive carbon atoms, capable of comprising one or several hydroxyl groups and of being interrupted by one or several oxygen atoms and/or several aromatic cycles; R¿1?, R¿2?, R¿3? and R¿4?, identical or different, represent a C¿1?-C¿6? alkyl radical or the phenyl radical. X.THETA. represents an anion derived from a mineral or organic acid. The invention also concerns the use of said polymers in cosmetics.

L'invention est relative à de nouveaux polymères comportant au moins des motifs de formule (I), dans laquelle: A1+ et A2+, identiques ou différents, désignent: a) un hétérocycle insaturé quaternaire; ou b) un ammonium quaternaire et au moins un des groupements A1+ et A2+ désigne un hétérocycle insaturé quaternaire; p désigne un nombre entier ou décimal de 0 à 50; B1 désigne un groupement .alpha., .omega. bis alkyl polysiloxane ou une chaîne hydrocarbonée, linéaire ou ramifiée, saturée ou insaturée comportant jusqu'à 6 atomes de carbone consécutifs, pouvant comporter un ou plusieurs groupements hydroxyle et pouvant être interrompue par un ou plusieurs atomes d'oxygène et/ou plusieurs cycles aromatiques; B2 désigne une chaîne hydrocarbonée, linéaire ou ramifiée, saturée ou insaturée comportant jusqu'à 6 atomes de carbone consécutifs, pouvant comporter un ou plusieurs groupements hydroxyle et pouvant être interrompue par un ou plusieurs atomes d'oxygène et/ou plusieurs cycles aromatiques; R1, R2, R3 et R4, identiques ou différents désignent un radical alkyle en C1-C6 ou le radical phényle; X.THETA. désigne un anion dérivé d'un acide minéral ou organique; et à leur utilisation en cosmétique.

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