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Cation exchange resin from sulfonated poly-N-vinylcarbazole–formaldehyde copolymer

✍ Scribed by Mukul Biswas; Subrata Bagchi

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
345 KB
Volume
29
Category
Article
ISSN
0021-8995

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✦ Synopsis

A cross-linked copolymer of poly-N-vinylcarbazole and formaldehyde has been sulfonated to yield a cation exchange resin. The resin has been characterized by elemental analysis and by evaluation of total and salt-splitting capacities and pH-metric titration behavior. The resin has improved capacity (ion exchange) relative to other N-vinylcarbazole based resins and behaves as a polymeric dye.

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## Abstract A copolymer of __N__‐vinylcarbazole and divinylbenzene has been sulfonated to yield a cation exchange resin of improved thermal properties compared to other vinylcarbazole‐based resins. The resin has been characterized by measuring its total and salt‐spliting capacities, pH metric titra

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## Synopsis Cation-exchange resins have been synthesized through the condensation of N-vinylcarbazole and poly(N-vinylcarbazole) with furfural in presence of anhydrous AlC13 and subsequent sulfonation of the condensates. The resins have been characterized in respect to their polyfunctionality, exc