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Title:Disociacijsko-adsorpcijske značilnosti PA 6 vlaken z uporabo titracijskih metod
Authors:ID Fras Zemljič, Lidija (Author)
ID Stana-Kleinschek, Karin (Author)
ID Strnad, Simona (Author)
ID Ribitsch, Volker (Author)
Files:.pdf Tekstilec_2001_Fras_Zemljic_et_al._Disociacijsko-adsorpcijske_znacilnosti_PA_6_vlaken_z_uporabo_titracijskih_metod.pdf (603,46 KB)
MD5: 7FEAEF14EE0DBCF9DE29CDE56332E85D
PID: 20.500.12556/dkum/59b84921-502b-4cb6-a9fe-13d9848ca431
 
URL http://www.tekstilec.si/wp-content/uploads/2001/11/Dissociation-Adsorption-Character-of-Structurally-Modified-Fibres-Determined-by-Titration-Methods.pdf
 
Language:Slovenian
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Različni postopki obdelave orientiranih polimerov lahko povzročajo spremembe nadmolekulske strukture in tako spreminjajo njihovo morfologijo. S strukturnimi spremembami vlaken se spreminjajo tudi površinske lastnosti, ki so bistvenega pomena za njihov adsorpcijski značaj. Osredotočili smo se na raziskave disociacijsko-adsorpcijskih značilnosti strukturno modificiranih tekstilnih vlaken, ki smo jih opredelili s titracijskimi metodami. Uporaba različnih titracijskih metod za spremljanje disociacijsko-adsorpcijskih sposobnosti tekstilnih vlaken v polarnem mediju predstavlja novost na področju raziskav vlaken. Namen prispevka je ocenitev količine značilnih disociacijskih skupin na PA 6 vlaknih, strukturno modificiranih z različnimi postopki visokotemperaturne obdelave in z obdelavo v raztopini fenola, v primerjavi z ostalimi fizikalno-kemijskimi lastnostmi vlaken (molekulska masa, pokazatelji nadmolekulske strukture vlaken, jodovo adsorpcijsko število ...). Na podlagi rezultatov smo želeli ugotoviti vpliv strukturnih modifikacij na disociacijsko-adsorpcijske značilnosti vlaken in posledično na njihovo reaktivnost. Spoznanja o številu in dostopnosti reaktivnih skupin vlaken vodijo k razjasnitvi reakcijskega mehanizma v procesih predobdelave, obdelave in ostalih proizvodnih procesih, hkrati pa lahko dajejo pomembne informacije o spremembah, ki se dogajajo pri degradaciji vlaken.
Keywords:orientirani polimeri, nadmolekulska struktura, morfologija vlaken, strukturno modificirana tekstilna vlakna, titracijske metode, reaktivne skupine, reakcijski mehanizem
Publication status:Published
Publication version:Version of Record
Year of publishing:2001
Number of pages:str. 334-337
Numbering:Letn. 44, št. 11/12
PID:20.500.12556/DKUM-67809 New window
ISSN:0351-3386
UDC:677.4.017
ISSN on article:0351-3386
COBISS.SI-ID:6912790 New window
NUK URN:URN:SI:UM:DK:VQI8EHJK
Publication date in DKUM:31.08.2017
Views:1673
Downloads:153
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Tekstilec. glasilo slovenskih tekstilcev
Shortened title:Tekstilec
Publisher:Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Zveza inženirjev in tehnikov tekstilcev, Splošno združenje tekstilne industrije, Društvo inženirjev in tehnikov tekstilcev, Univerza v Ljubljani, Naravoslovnotehniška fakulteta, Oddelek za tekstilstvo, Založba Univerze v Ljubljani
ISSN:0351-3386
COBISS.SI-ID:763396 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:31.08.2017

Secondary language

Language:English
Title:Dissociation/adsorption character of structurally modified fibres determined by titration methods
Abstract:Changes in the fine structure influence the fibre morphology and consequently the surface properties which define the adsorption character. In this present work the dissociation-adsorption character and the adsorption capacity of structurally modified PA 6 fibres (high temperature and phenol PA 6 fibres) were studied using the titration method and correlated with other fibre characteristics (molecular mass, fine structure, iodine number). The use of titration methods for the characterisation of the fibres dissociation-adsorption characteristics is a new approach for determining the fibres behaviour in polar environments. On the basis of our results the influence of the fibres structural modifications on their dissociation - adsorption properties were determined and, therefore, their reactivity.
Keywords:structurally modified PA 6 fibres, titration method, dissociation/adsorption characteristics, fibres reactivity


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