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Synthesis of some new cation-exchanger resins

✍ Scribed by Sevi̇l Savaşkan; Necati̇ Besşi̇rli̇; Baki̇ Hazer

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
524 KB
Volume
59
Category
Article
ISSN
0021-8995

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✦ Synopsis

Polystyrene-PEG crosslinked block copolymers were prepared from styrene copolymerization by either poly(ethy1ene glycol dimethymethacrylate) (PEG-DM) or macronomer initiators (MIM). M , values of PEG of PEG-DM were 400, 600, 1000, 1500, 3000, 10,000, and 35,000, and of MIM, 400 and 1500. Swelling in H20 or CHC13 of the sulfonated and unsulfonated block copolymers were determined under comparable conditions and found to be vary significantly. The ion-exchange capacity and selectivity coefficients of these ionexchange resins were investigated. The capacities of the obtained ion exchangers were varied between 0.4 and 2.9 meq/g.

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