IMPROVED NVF COPOLYMER PROCESS

IMPROVED NVF COPOLYMER PROCESS

Disclosed herein is a water-soluble copolymer formed by copolymerizing N-vinylformamide and one or more vinyl C1-C10 alkyl esters, and then hydrolyzing from 30 to 100 mol% of the formyl groups from the copolymerized units to form amino groups and from 30 to 100 mol% of the C1-C10 alkyl ester groups...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: VICARI RICHARD, BARSAN FLORIN, PHUNG KIEN VAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:Disclosed herein is a water-soluble copolymer formed by copolymerizing N-vinylformamide and one or more vinyl C1-C10 alkyl esters, and then hydrolyzing from 30 to 100 mol% of the formyl groups from the copolymerized units to form amino groups and from 30 to 100 mol% of the C1-C10 alkyl ester groups from the copolymerized units to form hydroxyl groups, wherein the copolymer has a unimodal molecular weight distribution as evidenced by essentially one peak in a gel permeation gradient elution chromatographic analysis. A process to produce the polymer is also disclosed.