Corrosion Behaviour of CuSn- and CuZnNi-coated Polypropylene Nonwoven

Dobruchowska, E.; Koprowska, J.

doi:10.5604/12303666.1196615

Artykuł - szczegóły

Tytuł artykułu

Corrosion Behaviour of CuSn- and CuZnNi-coated Polypropylene Nonwoven

Autorzy

Dobruchowska E. , Koprowska J.

Treść / Zawartość

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Identyfikatory

DOI

10.5604/12303666.1196615

Warianty tytułu

Właściwości korozyjne włóknin polipropylenowych pokrywanych warstwami CuSn oraz CuZnNi

Języki publikacji

Abstrakty

The intended purpose of metallised nonwovens is architectural shielding against electromagnetic fields. Therefore the aim of this work was to systematically investigate the corrosion behaviour of metallic layer/polypropylene nonwoven systems in the contact with an aggressive environment (3% NaCl solution). In the work, a thermo-bonded polypropylene nonwoven was used as a substrate for CuSn and CuNiZn thin layer deposition. Nonwoven metallisation was carried out using the magnetron sputtering process. Additionally to enhance the durability of these barrier materials, their surfaces were covered with a thin, hydrophobic coating of polydimetylsiloksane. Evaluation of the corrosion resistance was made by means of potentiodynamic polarisation tests. Furthermore the degree of loss of the metallic layers was checked using a optical metallographic microscope and quantitative microanalysis by the method of Energy Dispersive X-ray Spectroscopy. It was found that the CuZnNi metallic layer deposited onto the polypropylene nonwoven shows higher corrosion resistance as compared to CuSn. In both cases, the metallic layers are the most susceptible to degradation within the nonwoven “waves”. Regardless of the layers’ chemical composition, the polydimetylsiloksane coating increases their corrosion resistance in 3% NaCl solution.

W ramach pracy, jako podłoże dla cienkich warstw metalicznych CuSn i CuNiZn wykorzystana została włóknina polipropylenowa. Metalizację włókniny przeprowadzono stosując proces rozpylania magnetronowego. Zakłada się, że przeznaczeniem tak uzyskanych metalizowanych włóknin będzie ekranowanie architektoniczne przed polami elektromagnetycznymi. Z tego względu, jako cel pracy przyjęto przeprowadzenie systematycznych badań mających na celu określenie sposobu zachowania się układów warstwa metaliczna/ włóknina polipropylenowa w kontakcie z agresywnym środowiskiem korozyjnym (3% roztwórem NaCl). Dodatkowo, aby zwiększyć trwałość uzyskanych materiałów barierowych, ich powierzchnie pokryto cienką hydrofobową powłoką poli(dimetylosiloksanu). Ocena odporności korozyjnej przeprowadzona została za pomocą polaryzacyjnych testów potencjodynamicznych. Ponadto, stopień degradacji warstw metalicznych sprawdzano z wykorzystaniem optycznego mikroskopu metalograficznego oraz ilościowej mikroanalizy rentgenowskiej (EDX).

Słowa kluczowe

polypropylene nonwoven metallic thin layers CuSn CuZnNi polydimethylsiloxane magnetron deposition corrosion resistance potentiodynamic polarisation

włóknina polipropylenowa cienkie warstwy metaliczne CuSn CuZnNi poli(dimetylosiloksan) odporność na korozję polaryzacja potencjodynamiczna

Wydawca

Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny

Czasopismo

Fibres & Textiles in Eastern Europe

Rocznik

2016

Tom

Vol. 24, no. 3 (117)

Strony

72--78

Opis fizyczny

Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Dobruchowska E.

ewa.dobruchowska@tu.koszalin.pl

Institute of Technology and Education, Koszalin University of Technology, Koszalin, Poland

autor

Koprowska J.

Textile Research Institute, Łódź, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.

Typ dokumentu

Bibliografia

Identyfikator YADDA

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