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Copolymerization of Fluorinated Monomers with Hydrophilic Monomers in Aqueous Solution in Presence of Cyclodextrin

✍ Scribed by Oliver Kretschmann; Helmut Ritter

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
120 KB
Volume
207
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Summary: New fluorinated copolymers were synthesized by copolymerization of 1__H__,1__H__,2__H__,2__H‐__perfluorodecyl methacrylate (1) with hydrophilic comonomers methacrylic acid (3), 2‐acrylamido‐2‐methylpropane sulfonic acid (6), 3‐trimethylammonium propyl methacrylamide chloride (7) and N,N‐dimethylmethacrylamidopropyl‐N‐3‐sulfopropylammoniumbetaine (8). The reaction was carried out in water using randomly methylated β‐cyclodextrin (RAMEB) for solubilization of the fluorinated monomer by forming a host‐guest complex (1a). Polymerization kinetics were investigated and copolymerization parameters were determined. Additionally, a RAMEB complex of tert‐butyl methacrylate (2a) was copolymerized with 1a in water. For comparison, copolymerization of the uncomplexed monomers 1 and 2 were carried out in organic solvents. Evaluation of copolymerization kinetics and parameters showed significant differences in the relative reactivities of the free monomers and the monomer‐RAMEB complexes.
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