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Published in: Cellulose 8/2021

28-03-2021 | Original Research

Fluorine free TiO2/cyanate ester coated cotton fabric with low surface free energy and rough surface for durable oil–water separation

Authors: Vasanthakumar Arumugam, Rajakumar Kanthapazham, Dmitry A. Zherebtsov, Kanimozhi Kalimuthu, Prabunathan Pichaimani, Alagar Muthukaruppan

Published in: Cellulose | Issue 8/2021

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Abstract

Low cost superhydrophobic cotton fabric was developed using TiO2/cyanate ester coating for the first time. The TiO2/cyanate ester coated cotton fabric displayed superhydrophobic behaviour with water contact angle of 158°, sliding contact angle of 8° and surface free energy of 18.0 mN/m2. Besides, the TiO2/cyanate ester coated cotton fabric also possesses excellent laundry durability as well as stability against acid, alkali salt solutions and mechanical abrasion. Consequently, the TiO2/cyanate ester coated cotton also delivered superior oil–water separation efficiency with different types of oil/water mixtures that includes engine oil/water, waste engine oil/water, petrol/water and diesel/water. The TiO2/cyanate ester coated cotton fabric shows separation efficiency as high as 98% with flux value of 7200 L/m2h for petrol/water mixture. Further, both cyanate ester and TiO2/cyanate ester coated cotton fabric delivers ultra-high UV-resistant ability with Ultraviolet Protection Factor value as high as 500 + . Hence, it is anticipated that the present approach of using cyanate ester can be widely explored further to construct multifunctional fabrics towards excellent self-cleaning as well as oil/water separation with UV and chemical robustness.

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Appendix
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Metadata
Title
Fluorine free TiO2/cyanate ester coated cotton fabric with low surface free energy and rough surface for durable oil–water separation
Authors
Vasanthakumar Arumugam
Rajakumar Kanthapazham
Dmitry A. Zherebtsov
Kanimozhi Kalimuthu
Prabunathan Pichaimani
Alagar Muthukaruppan
Publication date
28-03-2021
Publisher
Springer Netherlands
Published in
Cellulose / Issue 8/2021
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-021-03822-w

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