HERGELOVÁ, Beata, Anna ZAHORANOVÁ, Dušan KOVÁČIK, Monika STUPAVSKÁ a Mirko ČERNÁK. Polylactic acid surface activation by atmospheric pressure dielectric barrier discharge plasma. Open chemistry. Warsaw: DE GRUYTER OPEN LTD, 2015, roč. 13, č. 1, s. 564-569. ISSN 2391-5420. Dostupné z: https://dx.doi.org/10.1515/chem-2015-0067. |
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@article{1601760, author = {Hergelová, Beata and Zahoranová, Anna and Kováčik, Dušan and Stupavská, Monika and Černák, Mirko}, article_location = {Warsaw}, article_number = {1}, doi = {http://dx.doi.org/10.1515/chem-2015-0067}, keywords = {polylactic acid; surface treatment; nonthermal plasma; atmospheric pressure; dielectric barrier discharge}, language = {eng}, issn = {2391-5420}, journal = {Open chemistry}, title = {Polylactic acid surface activation by atmospheric pressure dielectric barrier discharge plasma}, url = {https://www.degruyter.com/downloadpdf/j/chem.2015.13.issue-1/chem-2015-0067/chem-2015-0067.pdf}, volume = {13}, year = {2015} }
TY - JOUR ID - 1601760 AU - Hergelová, Beata - Zahoranová, Anna - Kováčik, Dušan - Stupavská, Monika - Černák, Mirko PY - 2015 TI - Polylactic acid surface activation by atmospheric pressure dielectric barrier discharge plasma JF - Open chemistry VL - 13 IS - 1 SP - 564-569 EP - 564-569 PB - DE GRUYTER OPEN LTD SN - 23915420 KW - polylactic acid KW - surface treatment KW - nonthermal plasma KW - atmospheric pressure KW - dielectric barrier discharge UR - https://www.degruyter.com/downloadpdf/j/chem.2015.13.issue-1/chem-2015-0067/chem-2015-0067.pdf L2 - https://www.degruyter.com/downloadpdf/j/chem.2015.13.issue-1/chem-2015-0067/chem-2015-0067.pdf N2 - Polylactic acid (PLA) is suitable for applications in packaging and biomedicine due to its biodegradability. To improve PLA surface adhesion a plasma-chemical treatment using nonthermal plasma generated in ambient air via diffuse coplanar surface barrier discharge (DCSBD) was used. The optimal treatment time and power were investigated. Interaction between active plasma species and the polymer surface, and the resulting surface changes were studied by contact angle measurement, surface energy determination, FTIR, and XPS. The most hydrophilic surface was obtained after only 3-4 s treatment. Treatment up to 10 s did not damage the polymer but longer treatments (30 and 60 s) caused partial degradation. The plasma broke C-C/C-H bonds and formed more C-O, O-C=O and C-O-C bonds. During storage surface oxygen decreased and a negligible amount of nitrogen was adsorbed. The oxygen-containing functional groups probably sank into the PLA volume after treatment. ER -
HERGELOVÁ, Beata, Anna ZAHORANOVÁ, Dušan KOVÁČIK, Monika STUPAVSKÁ a Mirko ČERNÁK. Polylactic acid surface activation by atmospheric pressure dielectric barrier discharge plasma. \textit{Open chemistry}. Warsaw: DE GRUYTER OPEN LTD, 2015, roč.~13, č.~1, s.~564-569. ISSN~2391-5420. Dostupné z: https://dx.doi.org/10.1515/chem-2015-0067.
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