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Sorption properties of periodate oxidized cotton
Sorpciona svojstva pamuka oksidovanog perjodatom
dc.creator | Nikolić, Tanja | |
dc.creator | Kostić, Mirjana | |
dc.creator | Praskalo, Jovana | |
dc.creator | Petronijević, Živomir | |
dc.creator | Škundrić, Petar | |
dc.date.accessioned | 2021-03-10T11:28:50Z | |
dc.date.available | 2021-03-10T11:28:50Z | |
dc.date.issued | 2011 | |
dc.identifier.issn | 1451-9372 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1790 | |
dc.description.abstract | The effect of periodate oxidation on the chemical and sorption properties of cotton yarn was investigated by determining aldehyde group content, moisture sorption, water retention and iodine sorption. Oxidation of cotton yarn was performed by varying concentration of sodium periodate solution and reaction time. To measure the aldehyde content present in the oxidized cotton, the aldehyde groups were selectively oxidized to carboxyl groups with sodium chlorite at pH 4-5, at room temperature for 48 h, and carboxyl group content was determined by modified calcium-acetate method. Differences in the sorption properties of untreated and oxidized cotton samples were obtained using conventional methods. The aldehyde groups were introduced into the oxidized cotton up to 99.2 μmol/g. Compared to the untreated fibers, oxidized cotton samples exhibited higher moisture sorption (up to 9%) and lower water retention values (up to 19%) and iodine sorption values (up to 31%). Based on the obtained results, it can be concluded that the crystalline structure of cellulose is not significantly changed by periodate oxidation, which is of great importance for textile material production. | en |
dc.description.abstract | U ovom radu ispitan je uticaj uslova perjodatne oksidacije na hemijska i sorpciona svojstva pamučne pređe preko određivanja sadržaja aldehidnih grupa, sorpcije vlage, sposobnosti zadržavanja vode i sorpcije joda. Oksidacija pamučne pređe izvedena je pri različitim koncentracijama rastvora natrijum-perjodata i vremenima reakcije. Sadržaj aldehidnih grupa u oksidovanom pamuku određen je na sledeći način: aldehidne grupe su selektivno oksidovane do karboksilnih grupa pomoću natrijum-hlorita pri pH 4-5, na sobnoj temperaturi u toku 48 h, a zatim je sadržaj karboksilnih grupa određen modifikovanom kalcijum-acetatnom metodom. Razlike u sorpcionim svojstvima nemodifikovanog i uzoraka oksidovanog pamuka dobijene su upotrebom konvencionalnih metoda. Rezultati su pokazali da su aldehidne grupe uvedene u oksidovana pamučna vlakna i do 99,2 µmol/g. U poređenju sa nemodifikovanim vlaknima, oksidovani pamučni uzorci su pokazali neznatno povećanje sorpcije vlage (do 9%) i niže vrednosti sposobnosti zadržavanja vode (do 19%) i sorpcije joda (do 31%). Na osnovu rezultata sprovedenih ispitivanja može se zaključiti da se pod primenjenim uslovima perjodatne oksidacije kristalnost celuloze znatno ne menja, što je veoma značajno u procesima proizvodnje tekstilnih materijala. | sr |
dc.publisher | Association of the Chemical Engineers of Serbia | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172029/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Chemical Industry & Chemical Engineering Quarterly | |
dc.subject | cotton | en |
dc.subject | sodium periodate oxidation | en |
dc.subject | moisture sorption | en |
dc.subject | water retention power | en |
dc.subject | iodine sorption | en |
dc.subject | pamuk | sr |
dc.subject | oksidacija natrijum-perjodatom | sr |
dc.subject | sorpcija vlage | sr |
dc.subject | sposobnost zadržavanja vode | sr |
dc.subject | sorpcija joda | sr |
dc.title | Sorption properties of periodate oxidized cotton | en |
dc.title | Sorpciona svojstva pamuka oksidovanog perjodatom | sr |
dc.type | article | |
dc.rights.license | BY-NC-ND | |
dc.citation.epage | 374 | |
dc.citation.issue | 3 | |
dc.citation.other | 17(3): 367-374 | |
dc.citation.rank | M23 | |
dc.citation.spage | 367 | |
dc.citation.volume | 17 | |
dc.identifier.doi | 10.2298/CICEQ110521023N | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/8659/1451-93721100023N.pdf | |
dc.identifier.scopus | 2-s2.0-80052909626 | |
dc.identifier.wos | 000296947800014 | |
dc.type.version | publishedVersion |