| 摘要 |
A compound is disclosed, having the structure of carboxymethylcellulose in which at least one carboxymethyl group is replaced by a group of the general formula (I):
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wherein R<1> is hydrogen or a methyl group, R<2> is a straight chain or branched divalent aliphatic C2-C5 hydrocarbon group, R<3> and R<5> are each, independently, a straight chain or branched C1-C4 alkyl group, R<5> is a straight chain or branched C1-C4 alkyl group or a benzyl group and X is a halogen atom, a sulphate ester group or a sulphonic acid group, with the proviso that at least 0.1 groups of formula (I) are present on average per anhydroglucose unit of the compound's structure.
<??>These compounds are prepared by a process which involves, as intermediate, a derivative of carboxymethyl-cellulose in which at least one carboxymethyl group is replaced by a group of the general formula (II):
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<??>The compounds are used in cosmetic compositions for application to the hair and in the production of paper and textiles.
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