Noncovalent surface modification of cellulose nanopapers by adsorption of polymers from aprotic solvents

Katri Kontturi, Karolina Biegaj, Andreas Mautner, Robert T. Woodward, Benjamin P. Wilson, Leena-Sisko Johansson, Koon-Yang Lee, Jerry Y.Y. Heng, Alexander Bismarck (Corresponding Author), Eero Kontturi

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Abstract

Basic adsorption of hydrophobic polymers from aprotic solvents was introduced as a platform technology to modify exclusively the surfaces of cellulose nanopapers. Dynamic vapor sorption demonstrated that the water vapor uptake ability of the nanopapers remained unperturbed, despite strong repellency to liquid water caused by the adsorbed hydrophobic polymer on the surface. This was enabled by the fact that the aprotic solvents used for adsorption did not swell the nanopaper unlike water that is generally applied as the adsorption medium in such systems. As case examples, the adsorptions of polystyrene (PS) and poly(trifluoroethylene) (PF3E) were followed by X-ray photoelectron spectroscopy and water contact angle measurements, backed up with morphological analysis by atomic force microscopy. The resulting nanopapers are useful in applications like moisture buffers where repellence to liquid water and ability for moisture sorption are desired qualities.
Original languageEnglish
Pages (from-to)5707-5712
Number of pages6
JournalLangmuir
Volume33
Issue number23
DOIs
Publication statusPublished - 13 Jun 2017
MoE publication typeA1 Journal article-refereed

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cellulose
Cellulose
Surface treatment
Polymers
Adsorption
adsorption
Water
polymers
moisture
sorption
water
Sorption
Moisture
Polystyrenes
Steam
Liquids
Angle measurement
liquids
Water vapor
Contact angle

Cite this

Kontturi, K., Biegaj, K., Mautner, A., Woodward, R. T., Wilson, B. P., Johansson, L-S., ... Kontturi, E. (2017). Noncovalent surface modification of cellulose nanopapers by adsorption of polymers from aprotic solvents. Langmuir, 33(23), 5707-5712. https://doi.org/10.1021/acs.langmuir.7b01236
Kontturi, Katri ; Biegaj, Karolina ; Mautner, Andreas ; Woodward, Robert T. ; Wilson, Benjamin P. ; Johansson, Leena-Sisko ; Lee, Koon-Yang ; Heng, Jerry Y.Y. ; Bismarck, Alexander ; Kontturi, Eero. / Noncovalent surface modification of cellulose nanopapers by adsorption of polymers from aprotic solvents. In: Langmuir. 2017 ; Vol. 33, No. 23. pp. 5707-5712.
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Kontturi, K, Biegaj, K, Mautner, A, Woodward, RT, Wilson, BP, Johansson, L-S, Lee, K-Y, Heng, JYY, Bismarck, A & Kontturi, E 2017, 'Noncovalent surface modification of cellulose nanopapers by adsorption of polymers from aprotic solvents', Langmuir, vol. 33, no. 23, pp. 5707-5712. https://doi.org/10.1021/acs.langmuir.7b01236

Noncovalent surface modification of cellulose nanopapers by adsorption of polymers from aprotic solvents. / Kontturi, Katri; Biegaj, Karolina; Mautner, Andreas; Woodward, Robert T.; Wilson, Benjamin P.; Johansson, Leena-Sisko; Lee, Koon-Yang; Heng, Jerry Y.Y.; Bismarck, Alexander (Corresponding Author); Kontturi, Eero.

In: Langmuir, Vol. 33, No. 23, 13.06.2017, p. 5707-5712.

Research output: Contribution to journalArticleScientificpeer-review

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