Synthesis of silver nanoparticles in NMMO and their in situ doping into cellulose fibers

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Abstract

We present a method for synthesis of silver nanoparticles in N-methylmorpholine N-oxide (NMMO) and the associated mechanism, as well as their use for in situ volume modification of cellulose fibers. The synthesized particles had diameter of about 4 nm, and their colloid solution was stable for 1 year. The nanoparticles were stabilized using polyethylenimine, which apart from preventing nanoparticle agglomeration, also accelerated Ag+ ion reduction and prevented NMMO degradation. A mechanism for the nanoparticle synthesis is suggested based on the electrochemical potentials of all ions in solution, with perhydroxyl ions resulting from NMMO reducing the silver ions. We also created nanocomposites from fibers and silver nanoparticles, in which the latter showed very good dispersion in the fiber volume. Such spun fibers showed improved mechanical parameters in comparison with unmodified fibers.

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CITATION STYLE

APA

Rac-Rumijowska, O., Fiedot, M., Karbownik, I., Suchorska-Woźniak, P., & Teterycz, H. (2017). Synthesis of silver nanoparticles in NMMO and their in situ doping into cellulose fibers. Cellulose, 24(3), 1355–1370. https://doi.org/10.1007/s10570-016-1168-7

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