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Title:Modification of PET-polymer surface by nitrogen plasma
Authors:ID Zaplotnik, Rok (Author)
ID Kolar, Metod (Author)
ID Doliška, Aleš (Author)
ID Stana-Kleinschek, Karin (Author)
ID Inštitut za kovinske materiale in tehnologije (Authorship owner)
Files:.pdf Materiali_in_tehnologije_2011_Zaplotnik_et_al._Modification_of_PET-polymer_surface_by_nitrogen_plasma.pdf (150,48 KB)
MD5: 1DAB94CD86D014C3673178CE79D52FEC
 
URL http://mit.imt.si/Revija/izvodi/mit113/zaplotnik.pdf
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Low pressure weakly nitrogen plasma was applied for incorporation of nitrogen-containing functional groups onto poly(ethylene terephthalate) - PET polymer. Nitrogen plasma was created in an electrode-less radiofrequency discharge at the nominal power of 200 W and the frequency of 27.12 MHz. Nitrogen molecules entered the discharge region were highly excited, partially dissociated and weakly ionized. Transformation into the state of plasma allowed for creation of chemically reactive particles with a high potential energy while the kinetic energy remained close to the value typical for room temperature. The chemical reactivity allowed for rapid functionalization with nitrogen-rich functional groups. The appearance of these groups was monitored by X-ray photoelectron spectroscopy - XPS. The polymer surface was quickly saturated with nitrogen indicating that the modification was limited to an extremely thin surface film.
Keywords:poly(ethylene terephthalate), nitrogen plasma, surface modification, functional groups, X-ray photoelectron spectroscopy
Publication status:Published
Publication version:Version of Record
Year of publishing:2011
Number of pages:str. 199-203
Numbering:Letn. 45, št. 3
PID:20.500.12556/DKUM-65200 New window
ISSN:1580-2949
UDC:678:535.33
ISSN on article:1580-2949
COBISS.SI-ID:858026 New window
NUK URN:URN:SI:UM:DK:YYL9VQVA
Publication date in DKUM:17.03.2017
Views:1113
Downloads:99
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Categories:Misc.
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Record is a part of a journal

Title:Materiali in tehnologije
Shortened title:Mater. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1580-2949
COBISS.SI-ID:106193664 New window

Secondary language

Language:Slovenian
Title:Modifikacija površine PET-polimera z dušikovo plazmo
Abstract:Nizkotlačno, šibko ionizirano dušikovo plazmo smo uporabili za površinsko modifikacijo polimera polietilen tereftalat z dušikovimi funkcionalnimi skupinami. Plazmo smo vzbujali v brezelektrodni visokofrekvenčni plinski razelektritvi z generatorjem, ki deluje pri koristni moči okoli 200 W in osnovni frekvenci 27,12 MHz. Dušikove molekule, ki vstopijo v plinsko razelektritev, se vzbudijo v visoka vzbujena stanj, delno disociirajo in šibko ionizirajo. Transformacija plina v stanje plazme omogoča nastanek kemično reaktivnih delcev z veliko potencialno energijo, medtem ko ostane njihova kinetična energija blizu vrednosti, ki je značilna za plinske molekule pri sobni temperaturi. Velika kemijska reaktivnost dušikove plazme omogoča hitro funkcionalizacijo površine PET-polimera z dušikom bogatimi funkcionalnimi skupinami. Ta pojav smo spremljali z rentgensko fotoelektronsko spektroskopijo. Polimerni vzorci so postali hitro nasičeni z dušikom, iz česar je mogoče sklepati, da je funkcionalizacija omejena na zelo tanko plast prav ob površini vzorcev.
Keywords:poly(ethylene terephthalate), dušikova plazma, modifikacija površine, funkcionalne skupine, rentgenska fotoelektronska spektroskopija


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