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US5302196A Modified cellulose ethers and the use thereof in dispersion paints 失效
改性纤维素醚及其在分散体涂料中的应用

Modified cellulose ethers and the use thereof in dispersion paints
摘要:
The invention relates to water-soluble cellulose ethers, containing at least one fluorine-free radical attached via an ether link and selected from the group hydroxyethyl, hydroxypropyl, methyl, ethyl and carboxymethyl, and a hydrophobic substituent which comprises one fluorine-containing alkyl radical of 3 to 24, in particular 5 to 18, carbon atoms, the fluorine content being 0.05 to 5, in particular 0.1 to 1% by weight, based on the dry weight of the cellulose ether.
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