New functionalities in cellulosic fibers developed by chemical modification

  • Kostic M
  • Skundric P
  • Praskalo J
  • et al.
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Abstract

This paper gives an overview of the current state in the field of cellulosic fibers functionalization by chemical modification. The emphasis is placed on the selective (periodate and TEMPO oxidation) and non-selective (permanganate and peroxide) cellulose oxidation, non-conventional methods for obtaining man-made cellulosic fibers, methods for obtaining antimicrobial cellulosic fibers, as well as method for obtaining two-component polysaccharide fibers. To provide evidence on the achieved functionalities we mainly used capillary rise method, moisture and iodine sorption method, water retention power, NaOH uptake, different ions sorption, Cu-number, carbonyl-and carboxyl-selective labelling and antimicrobial tests.U ovom radu dat je prikaz sadasnjeg stanja u oblasti funkcionalizacije celuloznih vlakana nemijskim modifikovanjem, sa posebnim osvrtom na selektivnu oksidaciju perjodatima i TEMPO-m, neselektivnu oksidaciju celuloznih vlakana permanganatom i peroksidima, nekonvencionalne postupke dobijanja hemijskih celuloznih vlakana, postupcima dobijanja antimikrobnih celuloznih vlakana, kao i mogucnostima za dobijanje dvokomponentih celuloznih vlakana na bazi polisaharida. Kapilarnost, sorpcija vlage i joda sposobnost zadrzavanja vode, sorpcija razlicitih jona, bakrov broj selektivno obelezavanje karbonilnih i karboksilnih grupa, kao i antimikrobni testovi su neke od metoda koriscenje za karakterisanje postignutih efekata modifikovanja.

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APA

Kostic, M., Skundric, P., Praskalo, J., Pejic, B., & Medovic, A. (2007). New functionalities in cellulosic fibers developed by chemical modification. Hemijska Industrija, 61(5), 233–237. https://doi.org/10.2298/hemind0704233k

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