| 摘要 |
A polysaccharide comprising carboxyl functional groups, at least one of which is substituted with at least one hydrophobic radical: the hydrophobic radical being a residue of a hydrophobic alcohol having a linear, branched or cyclic alkyl chain containing at least 6 carbon atoms, the hydrophobic radical being bonded to a linker arm R by a function G, the linker arm R being bonded to a carboxyl function of the polysaccharide by a bond F, R being an at least divalent radical of a chain including between 1 and 15 carbons, which is optionally branched and/or unsaturated, optionally including one or more heteroatoms, chosen amongst O, N and/or S, F being an amide function, G being a carbamate function, the unsubstituted carboxyl functions of the polysaccharide being in the form of a cation carboxylate, said cation being chosen amongst alkali metal cation.
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