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Potencial zeta funkcionalnih tekstilnih materialov [Elektronski vir]Pušić, Tanja ...Funkcionalizacija tekstilnega materiala stremi k izboljšanju končnih uporabnih lastnosti teh materialov. Uporaba nanotehnologije v proizvodnji tekstilnih materialov temelji na enkapsulaciji ... nanodelcev oz. nanoproduktov, poznanih kot mikrokapsule. Potencial zeta oz. elektrokinetični potencial je eksperimentalno dostopna veličina, ki se nanaša na spremembo potenciala na strižni površini med premikajočim in mirujočim delom difuzne dvojne plasti. Z merjenjem potenciala zeta spremljamo spremembe površinskega naboja. Podatki o površinskem naboju nam dajejo informacijo o stanju, kvaliteti in lastnostih površine makroskopskega telesa v polarnem mediju oz. na aktivni površini trdno-tekoče. V raziskovalnem delu smo spremljali vpliv mikrokapsuliranih in apreturnih sredstev bombažnih in poliamidnih (PA 6,6) vzorcev na potencial zeta (ZP), kot funkcijo pH elektrolita. Ob tem smo opazovali vpliv pralnih ciklov na obstojnost mikrokapsul in apreturnih sredstev z merjenjem potenciala zeta. V ta namen so ženske nogavice obdelane z različnimi koncentracijami mikrokapsul za navlaženje kože, z dodanim odgovarjajočim vezivom in mehčalcem med procesom barvanja. Obdelane in neobdelane nogavice so oprane ročno s tekočim komercialnim pralnim sredstvom in sicer z 1, 3 in 10-mi cikli pranja. Meritve vzorcev so bile izvedene na merilnem instrumentu SurPASS, proizvajalca Anton Paar GmbH iz Gradca (Avstrija). Rezultati so pokazali, da koncentracija mikrokapsul vpliva na naboj površine in da s povečevanjem koncentracije mikrokapsul z 1 % do 8 % nanosom postaja naboj površine bolj negativen. Metoda določevanja potenciala zeta na instrumentu SurPASS se je pokazala za enostavno in sprejemljivo pri optimizaciji koncentracije mikrokapsul in ravno tako pri določevanju obstojnosti in spiranja nanosa mikrokapsul.Source: Slovenski kemijski dnevi 2009, Maribor, 24. in 25. september 2009 [Elektronski vir] (11 str.)Type of material - conference contributionPublish date - 2009Language - slovenianCOBISS.SI-ID - 13579542
Author
Pušić, Tanja |
Petrinić, Irena |
Modlic, Urška |
Luxbacher, Thomas |
Korenak, Jasmina
Topics
zeta potencial |
električni tok |
električni potencial |
tekstil |
poliamid |
bombaž |
funkcionalnost
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Database name | Field | Year |
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Pušić, Tanja | ![]() |
Petrinić, Irena | 24021 |
Modlic, Urška | ![]() |
Luxbacher, Thomas | 51230 |
Korenak, Jasmina | 31341 |
Source: Personal bibliographies
and: SICRIS
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