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Issue 27, 2020, Issue in Progress
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SCIP: a new simultaneous vapor phase coating and infiltration process for tougher and UV-resistant polymer fibers

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Abstract

The physical properties of polymers can be significantly altered by blending them with inorganic components. This can be done during the polymerization process, but also by post-processing of already shaped materials, for example through coating by atomic layer deposition (ALD) or hybridizing through vapor phase infiltration (VPI), both of which are beneficial in their own way. Here, a new processing strategy is presented, which allows distinct control of the coating and infiltration. The process is a hybrid VPI and ALD process, allowing separate control of infiltrated and coated components. This new simultaneous vapor phase coating and infiltration process (SCIP) enhances the degrees of freedom for optimizing the properties of polymers, as shown on the example of Kevlar 29 fibers. The SCIP treated fibers show an increase of 17% of their modulus of toughness (MOT) in comparison to native Kevlar, through the nanoscale coating with alumina. At the same time their intrinsic sensitivity to 24 hours UV-irradiation was completely suppressed through another infiltrated material, zinc oxide, which absorbs the UV irradiation in the subsurface area of the fibers.

Graphical abstract: SCIP: a new simultaneous vapor phase coating and infiltration process for tougher and UV-resistant polymer fibers

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Supplementary files

Article information


Submitted
04 Mar 2020
Accepted
06 Apr 2020
First published
22 Apr 2020

This article is Open Access

RSC Adv., 2020,10, 15976-15982
Article type
Paper

SCIP: a new simultaneous vapor phase coating and infiltration process for tougher and UV-resistant polymer fibers

I. Azpitarte, G. A. Botta, C. Tollan and M. Knez, RSC Adv., 2020, 10, 15976
DOI: 10.1039/D0RA02073G

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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