NDLI: Time- and temperature-resolved in-situ NMR studies on simultaneous quaternization/cross-linking of poly(vinylbenzyl chloride) polymer with hexamine

Content Provider	Springer Nature Link
Author	Vengatesan, S. Vasudevan, D. Radhakrishnan, S.
Copyright Year	2015
Abstract	Quaternization reaction of poly(vinylbenzyl chloride) with hexamine was monitored using NMR at different time intervals and temperatures in this study. The amine to polymer ratios of 0.2:1, 0.33:1, and 1:1 were employed, and the progress of the reaction was monitored instantly after the addition of reactants. NMR was recorded at the intervals of every 10 min until for about an hour. Temperature was also varied from 30 to 60 °C, and progress of the reaction was monitored by NMR. The quaternization reaction was complete immediately after the addition of the reactants at 60 °C, whereas at low temperatures, the reaction proceeded at much lower rates. Even at low temperatures, the reaction proceeded at a faster rate when the amine content was higher. The quaternization reaction rate with different hexamine (HMA)-to-poly(vinylbenzyl chloride) (PVBC) ratios follows the order 1:1 > 0.33:1 > 0.2:1.
Starting Page	3439
Ending Page	3448
Page Count	10
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	293
Issue Number	12
e-ISSN	14351536
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-08-01
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Poly(vinylbenzyl chloride) Hexamine Quaternization In-situ NMR Anion exchange membrane Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Characterization and Evaluation of Materials Physical Chemistry Food Science Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

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