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A Solvent-Free Approach to Crosslinked Hydrophobic Polymeric Coatings on Paper Using Vegetable Oil

Loesch-Zhang, Amelia ; Cordt, Cynthia ; Geissler, Andreas ; Biesalski, Markus (2022):
A Solvent-Free Approach to Crosslinked Hydrophobic Polymeric Coatings on Paper Using Vegetable Oil. (Publisher's Version)
In: Polymers, 14 (9), MDPI, e-ISSN 2073-4360,
DOI: 10.26083/tuprints-00021376,
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Item Type: Article
Origin: Secondary publication via sponsored Golden Open Access
Status: Publisher's Version
Title: A Solvent-Free Approach to Crosslinked Hydrophobic Polymeric Coatings on Paper Using Vegetable Oil
Language: English
Abstract:

Hydrophobic coatings are of utmost importance for many applications of paper-based materials. However, to date, most coating methods demand vast amounts of chemicals and solvents. Frequently, fossil-based coating materials are being used and multiple derivatization reactions are often required to obtain desired performances. In this work, we present a solvent-free paper-coating process, where olive oil as the main biogenic component is being used to obtain a hydrophobic barrier on paper. UV-induced thiol-ene photocrosslinking of olive oil was pursued in a solvent-free state at a wavelength of 254 nm without addition of photoinitiator. Optimum reaction conditions were determined in advance using oleic acid as a model compound. Paper coatings based on olive oil crosslinked by thiol-ene reaction reach water contact angles of up to 120°. By means of Fourier transform infrared spectroscopy and differential scanning calorimetry, a successful reaction and the formation of a polymer network within the coating can be proven. These results show that clickchemistry strategies can be used to achieve hydrophobic polymeric paper coatings while keeping the amount of non-biobased chemicals and reaction steps at a minimum.

Journal or Publication Title: Polymers
Volume of the journal: 14
Issue Number: 9
Place of Publication: Darmstadt
Publisher: MDPI
Collation: 13 Seiten
Classification DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Divisions: 07 Department of Chemistry > Fachgebiet Makromolekulare Chemie > Macromolecular and paper chemistry
Date Deposited: 24 May 2022 10:14
Last Modified: 18 Aug 2022 11:53
DOI: 10.26083/tuprints-00021376
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-213766
Additional Information:

This article belongs to the Special Issue Feature Papers in Polymer Applications (siehe verwandtes Werk)

Keywords: vegetable oil; coatings; paper; thiol-ene; hydrophobicity; barrier; food packaging

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/21376
PPN: 494917016
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