Influence of ECR-RF plasma modification on surface and thermal properties of polyester copolymer

• Autorzy: El Fray M. , Willert-Porada M.

Identyfikatory

DOI

10.1515/pjct-2015-0077

• Języki publikacji: EN

Abstrakty

EN

In this paper we report a study on influence of radio-frequency (RF) plasma induced with electron cyclotron resonance (ECR) on multiblock copolymer containing butylene terephthalate hard segments (PBT) and butylene dilinoleate (BDLA) soft segments. The changes in thermal properties were studied by DSC. The changes in wettability of PBT-BDLA surfaces were studied by water contact angle (WCA). We found that ECR-RF plasma surface treatment for 60 s led to decrease of WCA, while prolonged exposure of plasma led to increase of WCA after N2 and N2O2 treatment up to 70°–80°. The O2 reduced the WCA to 50°–56°. IR measurements confirmed that the N2O2 plasma led to formation of polar groups. SEM investigations showed that plasma treatment led to minor surfaces changes. Collectively, plasma treatment, especially O2, induced surface hydrophilicity what could be beneficial for increased cell adhesion in future biomedical applications of these materials.

Słowa kluczowe

EN

fatty acid; copolymers; water contact angle; differential scanning calorimetry (DSC); scanning electron

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2015
• Tom: Vol. 17, nr 4
• Strony: 115--119
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

El Fray M.

• West Pomeranian University of Technology, Szczecin, Biomaterial and Microbiological Technologies, al. Piastów 45, 71-310 Szczecin, Poland

autor

Willert-Porada M.

• University of Bayreuth, Chair of Materials Processing, Bayreuth, Germany

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