| 摘要 |
Water-soluble or water-dispersible amphiphilic cationic associative polyurethanes of formula (I):R-X-(P)n-[L-(Y)m]r-L'-(P')p-X'-R' (I) in which: R and R', which are identical or different, represent a hydrophobic group or a hydrogen atom; X and X', which are identical or different, represent a group comprising an amine functional group which may or may not carry a hydrophobic group or the L>> group; L, L' and L>>, which are identical or different, represent a group derived from a diisocyanate; P and P', which are identical or different, represent a group comprising an amine functional group which may or may not carry a hydrophobic group; Y represents a hydrophilic group; r is an integer between 1 and 100, preferably between 1 and 50 and in particular between 1 and 25, n, m and p have values, each independently of the others, between 0 and 1000; the molecule comprising at least one protonated or quaternized amine functional group and at least one hydrophobic group.
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