Equipment and method for preparing an aldehyde-functionalised polymer

Equipment for preparing a solution of a non-ionic, cationic, anionic or amphoteric polymer P2 by reaction between a compound comprising at least one aldehyde function and at least one base polymer P1 aqueous solution comprising at least one non-ionic monomer comprising a reactor (1) provided with a...

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Bibliographische Detailangaben
Hauptverfasser:	FOUGEROUSSE, Damien, BARRIERE, Cyril
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Equipment for preparing a solution of a non-ionic, cationic, anionic or amphoteric polymer P2 by reaction between a compound comprising at least one aldehyde function and at least one base polymer P1 aqueous solution comprising at least one non-ionic monomer comprising a reactor (1) provided with a stirring system; as well as a recirculation loop (3) comprising between the outlet of the reactor and the inlet of the reactor, a recirculation pump (12), a pH measuring probe (13), and a pressure differential in-line measuring device (14) in the form of a calibrated tube intended to measure the pressure difference of the polymer P2 solution between the inlet and the outlet of said calibrated tube, said calibrated tube being branched on the recirculation loop. Figure 1 12 -DRAIN