폴리우레탄 나노섬유 웹의 특성에 미치는 폴리도파민 코팅의 영향

김미해; 천자영; 강동훈; 박원호; Mi Hae Kim; Ja Young Cheon; Dong Hoon Kang; Won Ho Park

Polymer(Korea), Vol.42, No.4, 643-648, July, 2018

DOI10.7317/pk.2018.42.4.643 Export Citation

폴리우레탄 나노섬유 웹의 특성에 미치는 폴리도파민 코팅의 영향

Effect of Polydopamine Coating on Various Properties of Polyurethane Nanofibrous Web

김미해, 천자영¹, 강동훈¹, 박원호^{1, †}

충남대학교 산업대학원 바이오응용화학공학과
¹충남대학교 유기재료공학과

Mi Hae Kim, Ja Young Cheon¹, Dong Hoon Kang¹, and Won Ho Park^{1, †}

Department of Applied Chemistry and Biological Engineering, Chungnam National University, Daejeon 34134, Korea
¹Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, Korea

E-mail:

초록

전기방사에 의해 제조된 폴리우레탄(PU) 나노섬유 웹의 기능성을 향상시키기 위하여 폴리도파민 수용액으로 코팅하였다. 전자주사현미경을 통하여 PU 웹에 폴리도파민이 균일하게 코팅되었음을 확인하였으며, 추가적으로 표면 분석을 수행하였다. 코팅 전후의 수분 및 공기 투과능, 인장강도 등의 물리적 특성변화는 나타나지 않았고 항균성과 자외선 차단능을 향상시키는 결과를 보였다. 따라서 폴리도파민으로 코팅된 PU 나노섬유 웹이 고기능성 고어텍스 필름의 대체품으로 적용가능성이 있을 것으로 기대된다.

The polyurethane (PU) nanofibrous web prepared by electrospinning was coated with aqueous polydopamine solution to improve its functional properties. Through the scanning electron microscope, it was confirmed that polydopamine was uniformly coated on the PU web, and further surface analysis was performed. The physical properties such as moisture permeability, tensile strength, and the like before and after the coating were not changed, but the antimicrobial activity and the UV blocking performance were improved. Therefore, the PU nanofibrous web coated with polydopamine is expected to be used as a substitute for high functional Gore-Tex membrane.

Keywords:polyurethane;nanofibers;polydopamine;coating;UV blocking

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