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Preparation of printable and biodegradable cellulose-laponite composite for electronic device application

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Chandrasekaran, Saravanan, Sotenko, Maria V., Cruz-Izquierdo, Alvaro, Rymansaib, Zuhayr, Iravani, Pejman, Kirwan, Kerry and Scott, Janet L. (2021) Preparation of printable and biodegradable cellulose-laponite composite for electronic device application. Journal of Polymers and the Environment, 29 . pp. 17-27. doi:10.1007/s10924-020-01854-0 ISSN 1566-2543.

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Official URL: https://doi.org/10.1007/s10924-020-01854-0

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Abstract

Printable and biodegradable printed circuit boards (PCBs) prepared by using cellulose as the continuous matrix, laponite as flame retardant filler with various weight ratio (0, 5, 10 and 20 wt% with respect to the α-cellulose quantity used to prepare the composites) and 1-ethyl-3-methylimidazolium acetate ([emim][OAc]) as the recoverable dissolution medium. Prepared cellulose-composites were subjected into physical, chemical, thermal, mechanical and biodegradation analyses to check the suitability of the cellulose-laponite composite for biodegradable electronic application. The addition of laponite into cellulose increased the degradation temperature, flame retardancy and decreased the mechanical properties of the cellulose-laponite composites. The surface nature of the cellulose composite converted from hydrophilic to hydrophobic (contact angle value increased in the range from 50° to 112°) by treating with relatively small amount of hydrophobizing agent (< 1 wt%). The conductive ink printing experiments on the composites explaining the role of hydrophobizing agent and laponite in the composites. Biodegradability of the cellulose was evaluated by enzyme treatments and derived the effect of laponite, hydrophobic agent and conductive ink.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Printed circuits, Cellulose
Journal or Publication Title: Journal of Polymers and the Environment
Publisher: Springer
ISSN: 1566-2543
Official Date: January 2021
Dates:
DateEvent
January 2021Published
9 August 2020Available
8 August 2020Accepted
Volume: 29
Page Range: pp. 17-27
DOI: 10.1007/s10924-020-01854-0
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): This is a post-peer-review, pre-copyedit version of an article published in Journal of Polymers and the Environment. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10924-020-01854-0
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 4 September 2020
Date of first compliant Open Access: 9 August 2021
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/K026380/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266

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