Tertiary amine-containing hyperbranched phosphorus-free water treatment agent as well as preparation method and application thereof

The invention relates to a tertiary amine-containing hyperbranched phosphorus-free water treatment agent and a preparation method and application thereof.The preparation method comprises the steps that an epoxy alcohol compound and unsaturated ester containing a tertiary amine structure are subjecte...

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Hauptverfasser: YAN JINJUN, CHEN LIANG, KONG XIN
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creator YAN JINJUN
CHEN LIANG
KONG XIN
description The invention relates to a tertiary amine-containing hyperbranched phosphorus-free water treatment agent and a preparation method and application thereof.The preparation method comprises the steps that an epoxy alcohol compound and unsaturated ester containing a tertiary amine structure are subjected to a heating reaction at the temperature lower than 90 DEG C to obtain a hyperbranched polyether intermediate, then an acidic material solution is added under the action of a catalyst, and a carboxylation reaction is conducted at the temperature lower than 90 DEG C; and performing post-treatment to obtain the phosphorus-free water treatment agent containing the tertiary amine structure. The unsaturated ester containing the tertiary amine structure is dimethylamino ethyl acrylate or dimethylamino propyl acrylamide; the catalyst is concentrated sulfuric acid; the acidic substance solution is an acid anhydride-containing DMF solution. The water treatment agent prepared by the invention has excellent flocculation, sc
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Tertiary amine-containing hyperbranched phosphorus-free water treatment agent as well as preparation method and application thereof
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