Wide range humidity sensors printed on biocomposite films of cellulose nanofibril and poly(ethylene glycol)

DOI Web Site Web Site 被引用文献1件
  • Tomáš Syrový
    Faculty of Chemical Technology, Department of Graphic Arts and Photophysics University of Pardubice Doubravice 41, 533 53 Pardubice Czech Republic
  • Stanislava Maronová
    Faculty of Chemical Technology, Department of Graphic Arts and Photophysics University of Pardubice Doubravice 41, 533 53 Pardubice Czech Republic
  • Petr Kuberský
    Faculty of Electrical Engineering, Department of Technologies and Measurement/RICE University of West Bohemia Univerzitni 8, 306 14 Plzen Czech Republic
  • Nanci V. Ehman
    Programa de Celulosa y Papel, Instituto de Materiales de Misiones (IMAM) Féliz de Azara 1552 3300 Posadas Misiones Argentina
  • María E. Vallejos
    Programa de Celulosa y Papel, Instituto de Materiales de Misiones (IMAM) Féliz de Azara 1552 3300 Posadas Misiones Argentina
  • Silvan Pretl
    Faculty of Electrical Engineering, Department of Technologies and Measurement/RICE University of West Bohemia Univerzitni 8, 306 14 Plzen Czech Republic
  • Fernando E. Felissia
    Programa de Celulosa y Papel, Instituto de Materiales de Misiones (IMAM) Féliz de Azara 1552 3300 Posadas Misiones Argentina
  • María C. Area
    Programa de Celulosa y Papel, Instituto de Materiales de Misiones (IMAM) Féliz de Azara 1552 3300 Posadas Misiones Argentina
  • Gary Chinga‐Carrasco
    RISE PFI Høgskoleringen 6b Trondheim Norway

書誌事項

公開日
2019-05-07
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/app.47920
公開者
Wiley

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説明

<jats:title>ABSTRACT</jats:title><jats:p>Cellulose nanofibril (CNF) films were prepared from side streams generated by the sugarcane industry, that is, bagasse. Two fractionation processes were utilized for comparison purposes: (1) soda and (2) hot water and soda pretreatments. 2,2,6,6‐Tetramethylpiperidinyl‐1‐oxyl‐mediated oxidation was applied to facilitate the nanofibrillation of the bagasse fibers. Poly(ethylene glycol) (PEG) was chosen as plasticizer to improve the ductility of CNF films. The neat CNF and biocomposite films (CNF and 40% PEG) were used for fabrication of self‐standing humidity sensors. CNF‐based humidity sensors exhibited high change of impedance, within four orders of magnitude, in response to relative humidity (RH) from 20 to 90%. The use of plasticizer had an impact on sensor kinetics. While the biocomposite film sensors showed slightly longer response time, the recovery time of these plasticized sensors was two times shorter in comparison to sensors without PEG. This study demonstrated that agroindustrial side streams can form the basis for high‐end applications such as humidity sensors, with potential for, for example, packaging and wound dressing applications. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. <jats:bold>2019</jats:bold>, <jats:italic>136</jats:italic>, 47920.</jats:p>

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