Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings

TP Galhenage; D Hoffman; SD Silbert; SJ Stafslien; J Daniels; T Miljkovic; JA Finlay; Sofia C Franco; AS Clare; BT Nedved; MG Hadfield; DE Wendt; G Waltz; L Brewer; SLM Teo; C-S Lim; DC Webster

doi:10.1021/acsami.6b09484

Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings

TP Galhenage, D Hoffman, SD Silbert, SJ Stafslien, J Daniels, T Miljkovic, JA Finlay, Sofia C Franco, AS Clare, BT Nedved, MG Hadfield, DE Wendt, G Waltz, L Brewer, SLM Teo, C-S Lim, DC Webster

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Abstract

The effect of incorporation of silicone oils into a siloxane-polyurethane fouling-release coatings system was explored. Incorporation of phenylmethyl silicone oil has been shown to improve the fouling-release performance of silicone-based fouling-release coatings through increased interfacial slippage. The extent of improvement is highly dependent upon the type and composition of silicone oil used. The siloxane-polyurethane (SiPU) coating system is a tough fouling-release solution, which combines the mechanical durability of polyurethane while maintaining comparable fouling-release performance with regard to commercial standards. To further improve the fouling-release performance of the siloxane-PU coating system, the use of phenylmethyl silicones oils was studied. Coatings formulations were prepared incorporating phenylmethyl silicone oils having a range of compositions and viscosities. Contact angle and surface energy measurements were conducted to evaluate the surface wettability of the coatings. X-ray photoelectron spectroscopy (XPS) depth profiling experiments demonstrated self-stratification of silicone oil along with siloxane to the coating-air interface. Several coating formulations displayed improved or comparable fouling-release performance to commercial standards during laboratory biological assay tests for microalgae (Navicula incerta), macroalgae (Ulva linza), adult barnacles (Balanus amphitrite syn. Amphibalanus amphitrite), and mussels (Geukensia demissa). Selected silicone-oil-modified siloxane-PU coatings also demonstrated comparable fouling-release performance in field immersion trials. In general, modifying the siloxane-PU fouling-release coatings with a small amount (1–5 wt % basis) of phenylmethyl silicone oil resulted in improved performance in several laboratory biological assays and in long-term field immersion assessments.

Original language	English
Pages (from-to)	29025-29036
Number of pages	12
Journal	ACS Applied Materials & Interfaces
Volume	8
Issue number	42
Early online date	11 Oct 2016
DOIs	https://doi.org/10.1021/acsami.6b09484
Publication status	Published - 26 Oct 2016

Keywords

siloxane-polyurethane coatings
phenylmethyl silicone oil
fouling release coatings
field immersion assessments
7ref2021

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10.1021/acsami.6b09484

A814B6B8-67E3-450A-BB2C-75978B29D933
This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/acsami.6b09484
Accepted author manuscript, 4.99 MBLicence: CC BY-NC

Cite this

Galhenage, TP., Hoffman, D., Silbert, SD., Stafslien, SJ., Daniels, J., Miljkovic, T., Finlay, JA., Franco, S. C., Clare, AS., Nedved, BT., Hadfield, MG., Wendt, DE., Waltz, G., Brewer, L., Teo, SLM., Lim, C.-S., & Webster, DC. (2016). Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings. ACS Applied Materials & Interfaces, 8(42), 29025-29036. https://doi.org/10.1021/acsami.6b09484

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title = "Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings",

abstract = "The effect of incorporation of silicone oils into a siloxane-polyurethane fouling-release coatings system was explored. Incorporation of phenylmethyl silicone oil has been shown to improve the fouling-release performance of silicone-based fouling-release coatings through increased interfacial slippage. The extent of improvement is highly dependent upon the type and composition of silicone oil used. The siloxane-polyurethane (SiPU) coating system is a tough fouling-release solution, which combines the mechanical durability of polyurethane while maintaining comparable fouling-release performance with regard to commercial standards. To further improve the fouling-release performance of the siloxane-PU coating system, the use of phenylmethyl silicones oils was studied. Coatings formulations were prepared incorporating phenylmethyl silicone oils having a range of compositions and viscosities. Contact angle and surface energy measurements were conducted to evaluate the surface wettability of the coatings. X-ray photoelectron spectroscopy (XPS) depth profiling experiments demonstrated self-stratification of silicone oil along with siloxane to the coating-air interface. Several coating formulations displayed improved or comparable fouling-release performance to commercial standards during laboratory biological assay tests for microalgae (Navicula incerta), macroalgae (Ulva linza), adult barnacles (Balanus amphitrite syn. Amphibalanus amphitrite), and mussels (Geukensia demissa). Selected silicone-oil-modified siloxane-PU coatings also demonstrated comparable fouling-release performance in field immersion trials. In general, modifying the siloxane-PU fouling-release coatings with a small amount (1–5 wt % basis) of phenylmethyl silicone oil resulted in improved performance in several laboratory biological assays and in long-term field immersion assessments.",

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Galhenage, TP, Hoffman, D, Silbert, SD, Stafslien, SJ, Daniels, J, Miljkovic, T, Finlay, JA, Franco, SC, Clare, AS, Nedved, BT, Hadfield, MG, Wendt, DE, Waltz, G, Brewer, L, Teo, SLM, Lim, C-S & Webster, DC 2016, 'Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings', ACS Applied Materials & Interfaces, vol. 8, no. 42, pp. 29025-29036. https://doi.org/10.1021/acsami.6b09484

TY - JOUR

T1 - Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings

AU - Galhenage, TP

AU - Hoffman, D

AU - Silbert, SD

AU - Stafslien, SJ

AU - Daniels, J

AU - Miljkovic, T

AU - Finlay, JA

AU - Franco, Sofia C

AU - Clare, AS

AU - Nedved, BT

AU - Hadfield, MG

AU - Wendt, DE

AU - Waltz, G

AU - Brewer, L

AU - Teo, SLM

AU - Lim, C-S

AU - Webster, DC

PY - 2016/10/26

Y1 - 2016/10/26

N2 - The effect of incorporation of silicone oils into a siloxane-polyurethane fouling-release coatings system was explored. Incorporation of phenylmethyl silicone oil has been shown to improve the fouling-release performance of silicone-based fouling-release coatings through increased interfacial slippage. The extent of improvement is highly dependent upon the type and composition of silicone oil used. The siloxane-polyurethane (SiPU) coating system is a tough fouling-release solution, which combines the mechanical durability of polyurethane while maintaining comparable fouling-release performance with regard to commercial standards. To further improve the fouling-release performance of the siloxane-PU coating system, the use of phenylmethyl silicones oils was studied. Coatings formulations were prepared incorporating phenylmethyl silicone oils having a range of compositions and viscosities. Contact angle and surface energy measurements were conducted to evaluate the surface wettability of the coatings. X-ray photoelectron spectroscopy (XPS) depth profiling experiments demonstrated self-stratification of silicone oil along with siloxane to the coating-air interface. Several coating formulations displayed improved or comparable fouling-release performance to commercial standards during laboratory biological assay tests for microalgae (Navicula incerta), macroalgae (Ulva linza), adult barnacles (Balanus amphitrite syn. Amphibalanus amphitrite), and mussels (Geukensia demissa). Selected silicone-oil-modified siloxane-PU coatings also demonstrated comparable fouling-release performance in field immersion trials. In general, modifying the siloxane-PU fouling-release coatings with a small amount (1–5 wt % basis) of phenylmethyl silicone oil resulted in improved performance in several laboratory biological assays and in long-term field immersion assessments.

AB - The effect of incorporation of silicone oils into a siloxane-polyurethane fouling-release coatings system was explored. Incorporation of phenylmethyl silicone oil has been shown to improve the fouling-release performance of silicone-based fouling-release coatings through increased interfacial slippage. The extent of improvement is highly dependent upon the type and composition of silicone oil used. The siloxane-polyurethane (SiPU) coating system is a tough fouling-release solution, which combines the mechanical durability of polyurethane while maintaining comparable fouling-release performance with regard to commercial standards. To further improve the fouling-release performance of the siloxane-PU coating system, the use of phenylmethyl silicones oils was studied. Coatings formulations were prepared incorporating phenylmethyl silicone oils having a range of compositions and viscosities. Contact angle and surface energy measurements were conducted to evaluate the surface wettability of the coatings. X-ray photoelectron spectroscopy (XPS) depth profiling experiments demonstrated self-stratification of silicone oil along with siloxane to the coating-air interface. Several coating formulations displayed improved or comparable fouling-release performance to commercial standards during laboratory biological assay tests for microalgae (Navicula incerta), macroalgae (Ulva linza), adult barnacles (Balanus amphitrite syn. Amphibalanus amphitrite), and mussels (Geukensia demissa). Selected silicone-oil-modified siloxane-PU coatings also demonstrated comparable fouling-release performance in field immersion trials. In general, modifying the siloxane-PU fouling-release coatings with a small amount (1–5 wt % basis) of phenylmethyl silicone oil resulted in improved performance in several laboratory biological assays and in long-term field immersion assessments.

KW - siloxane-polyurethane coatings

KW - phenylmethyl silicone oil

KW - fouling release coatings

KW - field immersion assessments

KW - 7ref2021

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DO - 10.1021/acsami.6b09484

M3 - Article

SN - 1944-8244

VL - 8

SP - 29025

EP - 29036

JO - ACS Applied Materials & Interfaces

JF - ACS Applied Materials & Interfaces

IS - 42

ER -

Fouling-release performance of silicone oil-modified siloxane-polyurethane coatings

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Keywords

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