@conference{
author = "Milošević, Marija D. and Ivanovska, Aleksandra M. and Kostić, Mirjana M. and Svirčev, Zorica B.",
year = "2023",
abstract = "Sodium alginate aqueous solutions of different concentrations (0.5, 1.0, or 2.0%) were
used for improving the sorption properties (evaluated through the determination of water
retention power (WRP) and wetting time (WT)) of raw jute fabric. The influence of drying
conditions (never-dried samples, samples dried at 60 °C or at room temperature) on the
sorption properties of alginate-treated jute fabrics was also studied. Independently on the
examined method (centrifuge or water absorption method), the same trend of improvement
in WRP of alginate-treated fabrics was observed. The WRP of never-dried fabric treated
with 2.0% sodium alginate solution determined using the water absorption or centrifuge
method increased by 4.8 or 3.3 times compared to raw jute fabric, respectively. Moreover,
the WT of jute fabrics decreased from 206.9±6.6 s down to 1.7±0.1 s after the treatment
with 0.5% sodium alginate solution. The improved sorption properties of alginate-treated
jute fabrics are attributed to the alginate layer on the fabric surface having a higher number
of accessible carboxyl groups as well as hydroxyl groups capable of forming new
hydrogen bonds with water molecules., Vodeni rastvori natrijum-alginata različitih koncentracija (0,5, 1,0 ili 2,0%) korišćeni su za
poboljšanje sorpcionih svojstava (procenjenih određivanjem sposobnosti zadržavanja vode
(WRP) i vremena kvašenja (WT)) sirove tkanine jute. Takođe je proučavan uticaj uslova
sušenja (neosušeni uzorci, uzorci sušeni na 60 °C ili na sobnoj temperaturi) na sorpciona
svojstva tkanina jute tretiranih alginatom. Nezavisno od metode ispitivanja
(centrifugiranjem ili apsorpcijom vode posle potapanja), dobijen je isti trend poboljšanja
sposobnosti zadržavanja vode tkanina tretiranih alginatom. Sposobnost zadržavanja vode
nesušene tkanine tretirane 2,0% rastvorom natrijum-alginata, određene metodom
apsorpcije vode posle potapanja ili centrifugiranjem, povećana je 4,8 ili 3,3 puta u poređenju sa sirovom tkaninom jute, respektivno. Štaviše, tretman tkanina jute 0,5%
rastvorom natrijum-alginata dovodi do smanjenja vremena kvašenja sa 206,9±6,6 s na
1,7±0,1 s. Poboljšana sorpciona svojstva tkanina jute tretiranih alginatom pripisuju se sloju
alginata na njihovoj površini sa većim brojem dostupnih karboksilnihi hidroksilnih grupa
sposobnih da formiraju nove vodonične veze sa molekulima vode.",
publisher = "Beograd : Srpsko hemijsko društvo",
journal = "Kratki izvodi radova ; Knjiga radova / 59. savetovanje Srpskog hemijskog društva, Novi Sad 1. i 2. jun 2023. godine",
title = "A way to improve the sorption properties of raw jute fabric by sodium alginate treatment, Tretman natrijum-alginatom kao način da se poboljšaju sorpciona svojstva sirove tkanine jute",
pages = "179-176",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6557"
}