NDLI: A general approach to cellulosic material with controlled slow release of active substances by derivatization of a cellulosic carrier matrix with trifunctional triazines

Content Provider	Springer Nature Link
Author	Rosenau, Thomas Potthast, Antje Liebner, Falk Ebner, Gerald Renfrew, A. Hunter M. Eichhorn, Stephan Fürst Wiesmann, Eva Barbara
Copyright Year	2009
Abstract	Novel trifunctional triazines (“TATORT reagents”) for the modification of cellulosic material were prepared from cyanuric chloride. The compounds employ a cellulose-reactive anchor group for fixation, an active substance showing slow release properties, and a reactivity tuner to facilitate release control. According to this approach, humidity acts as an external trigger to “switch on” the slow-release. While the release-compounds are completely stable under dry conditions, the active substances are released simply by surrounding moisture. The reactivity tuner controls the rate of the release: by choosing an appropriate tuner, the concentration maximum can be set anytime between minutes and several weeks. The release kinetics depends mainly on the structure of reactivity tuner and active substance, but only insignificantly on the type of the (cellulosic) carrier matrix. Apart from the inherent limitation to phenolic and carboxylic active substances, the approach is quite general as the active substances may encompass wide ranges of compounds and applications.
Starting Page	929
Ending Page	942
Page Count	14
File Format	PDF
ISSN	09690239
Journal	Cellulose
Volume Number	16
Issue Number	5
e-ISSN	1572882X
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-06-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cellulose Cellulose modification Cellulosics Slow-release reagents Prodrugs Reactivity tuner Triazine chemistry TATORT reagents Polymer Sciences Organic Chemistry Physical Chemistry Bioorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

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