Amphiphilic water-soluble alkoxylated polyalkylenimines with...

C - Chemistry – Metallurgy – 08 – G

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C08G 73/04 (2006.01) C11D 1/62 (2006.01)

Patent

CA 2604873

The invention relates to amphiphilic water-soluble alkoxylated polyalkylenimines of general formula (I), where the variables have the following meanings: R independently = linear or branched C2-C6 alkylenes, B = a branching, E = an alkylenoxy of formula (II), R1 = 1,2-propylene, 1, 2- butylene and/or 1, 2-isobutylene, R2 = ethylene, R3 = 1,2-propylene, R4 independently = H, C1-C4 alkyl, x, y, z each = 2 to 150, where the sum x+y+z indicates a number of alkylenimine units, the mean molecular weight Mw of the polyalkylenimine before alkoxylation is 300 to 10,000, m = a whole number from 0 to 2, n = a whole number from 6 to 18, p = a whole number from 3 to 12, where 0.8 =n/p =1.0 (x+y+z)1/2 and the quaternisation products thereof.

L'invention concerne des polyalkylène-imines alcoxylées amphiphiles solubles dans l'eau de formule générale I, dans laquelle les variables ont la signification suivante: R désigne des restes alkylène C2-C6 identiques ou différents, linéaires ou ramifiés; B désigne une ramification; E désigne une unité alkylène-oxy de formule (A), où R1 désigne 1,2-propylène, 1,2-butylène et/ou 1,2-isobutylène; R2 désigne éthylène; R3 désigne 1,2-propylène; R4 désigne des restes: hydrogène identiques ou différents; alkyle C1-C4: x, y, z désignent dans chaque cas un nombre compris entre 2 et 150, la somme x+y+z désignant un nombre d'unités alkylène-imines, qui correspond à un poids moléculaire moyen Mw de la poyalkyène-imine avant alcoxylation, de l'ordre de 300 à 10.000; m désigne un nombre rationnel compris entre 0 et 2; n désigne un nombre rationnel compris entre 6 et 18; p désigne un nombre rationnel compris entre 3 et 12, 0,8 = n/p = 1,0 désigne (x+y+z)1/2, ainsi que leur produits de quaternisation.

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