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Rahimi A, Dahlgren J, Faiyaz K, Stafslien SJ, VanderWal L, Bahr J, Safaripour M, Finlay JA, Clare AS, Webster DC. Amphiphilic Balance: Effect of the Hydrophilic-Hydrophobic Ratio on Fouling-Release Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:1117-1129. [PMID: 38115197 DOI: 10.1021/acs.langmuir.3c03478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
This study demonstrated the importance of identifying the optimal balance of hydrophilic and hydrophobic moieties in amphiphilic coatings to achieve fouling-release (FR) performance that surpasses that of traditional hydrophobic marine coatings. While there have been many reports on fouling-release properties of amphiphilic surfaces, the offered understanding is often limited. Hence, this work is focused on further understanding of the amphiphilic surfaces. Poly(ethylene glycol) (PEG) and polydimethylsiloxane (PDMS) were used to create a series of noncross-linked amphiphilic additives that were then added to a hydrophobic-designed siloxane-polyurethane (SiPU) FR system. After being characterized by ATR-FTIR, XPS, contact angle analysis, and AFM, the FR performance was evaluated by using different marine organisms. The assessments showed that the closer the hydrophilic and hydrophobic moieties in a system reached a relatively equalized level, the more desirable the FR performance of the coating system became. A balanced ratio of hydrophilicity-hydrophobicity in the system at around 10-15 wt % of each component had the best FR performance and was comparable to or better than commercial FR coatings.
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Affiliation(s)
- AliReza Rahimi
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Joseph Dahlgren
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Kinza Faiyaz
- Department of Statistics, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Shane J Stafslien
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Lyndsi VanderWal
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - James Bahr
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Maryam Safaripour
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
| | - John A Finlay
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - Anthony S Clare
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - Dean C Webster
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota 58108, United States
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2
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Malouch D, Berchel M, Dreanno C, Stachowski-Haberkorn S, Chalopin M, Godfrin Y, Jaffrès PA. Evaluation of lipophosphoramidates-based amphiphilic compounds on the formation of biofilms of marine bacteria. BIOFOULING 2023; 39:591-605. [PMID: 37584265 DOI: 10.1080/08927014.2023.2241377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/11/2023] [Accepted: 07/21/2023] [Indexed: 08/17/2023]
Abstract
The bacteriostatic and/or bactericidal properties of few phosphoramide-based amphiphilic compounds on human pathogenic bacteria were previously reported. In this study, the potential of two cationic (BSV36 and KLN47) and two zwitterionic (3 and 4) amphiphiles as inhibitors of marine bacterial growth and biofilm formation were investigated. Results showed that the four compounds have little impact on the growth of a panel of 18 selected marine bacteria at a concentration of 200 µM, and up to 700 µM for some bacterial strains. Interestingly, cationic lipid BSV36 and zwitterionic lipids 3 and 4 effectively disrupt biofilm formation of Paracoccus sp. 4M6 and Vibrio sp. D02 at 200 µM and to a lesser extent of seven other bacterial strains tested. Moreover, ecotoxicological assays on four species of microalgae highlighted that compounds 3 and 4 have little impact on microalgae growth with EC50 values of 51 µM for the more sensitive species and up to 200 µM for most of the others. Amphiphilic compounds, especially zwitterionic amphiphiles 3 and 4 seem to be promising candidates against biofilm formation by marine bacteria.
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Affiliation(s)
- Dorsaf Malouch
- Univ Brest, CNRS, CEMCA UMR 6521, Brest, France
- Ifremer, Laboratoire Détection Capteurs et Mesures, Centre de Bretagne, Plouzané, France
| | | | - Catherine Dreanno
- Ifremer, Laboratoire Détection Capteurs et Mesures, Centre de Bretagne, Plouzané, France
| | | | - Morgane Chalopin
- Ifremer, Laboratoire Détection Capteurs et Mesures, Centre de Bretagne, Plouzané, France
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Weber F, Esmaeili N. Marine biofouling and the role of biocidal coatings in balancing environmental impacts. BIOFOULING 2023; 39:661-681. [PMID: 37587856 DOI: 10.1080/08927014.2023.2246906] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023]
Abstract
Marine biofouling is a global problem affecting various industries, particularly the shipping industry due to long-distance voyages across various ecosystems. Therein fouled hulls cause increased fuel consumption, greenhouse gas emissions, and the spread of invasive aquatic species. To counteract these issues, biofouling management plans are employed using manual cleaning protocols and protective coatings. This review provides a comprehensive overview of adhesion strategies of marine organisms, and currently available mitigation methods. Further, recent developments and open challenges of antifouling (AF) and fouling release (FR) coatings are discussed with regards to the future regulatory environment. Finally, an overview of the environmental and economic impact of fouling is provided to point out why and when the use of biocidal solutions is beneficial in the overall perspective.
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Affiliation(s)
- Florian Weber
- Department of Materials and Nanotechnology, SINTEF, Oslo, Norway
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4
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Wu X, Jia H, Fu W, Li M, Pan Y. Enhanced Tensile Properties, Biostability, and Biocompatibility of Siloxane-Cross-Linked Polyurethane Containing Ordered Hard Segments for Durable Implant Application. Molecules 2023; 28:molecules28062464. [PMID: 36985436 PMCID: PMC10058772 DOI: 10.3390/molecules28062464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/01/2023] [Accepted: 03/06/2023] [Indexed: 03/30/2023] Open
Abstract
This work developed a series of siloxane-modified polyurethane (PU-Si) containing ordered hard segments by a facile method. The polyaddition between poly(ε-caprolactone) and excess diurethane diisocyanate was carried out to synthesize a polyurethane prepolymer with terminal isocyanate groups, which was then end-capped by 3-aminopropyl triethoxysilane to produce alkoxysilane-terminated polyurethane; the target products of PU-Si were obtained with hydrolysis and the condensation of alkoxysilane groups. The chemical structures were confirmed by FT-IR and XPS, and the effect of the siloxane content or cross-linked degree on the physicochemical properties of the PU-Si films was investigated in detail. The formation of the network structure linked by Si-O-Si bonds and interchain denser hydrogen bonds endowed PU-Si films with fine phase compatibility, low crystallinity, high thermal stability, and excellent tensile properties. Due to the high cross-linked degree and low interfacial energy, the films displayed a high surface water contact angle and low equilibrium water absorption, which resulted in slow hydrolytic degradation rates. Furthermore, the evaluation of protein adsorption and platelet adhesion on the PU-Si film surface presented high resistance to biofouling, indicating superior surface biocompatibility. Consequently, the siloxane-cross-linked polyurethane, which possessed excellent tensile properties, high biostability, and superior biocompatibility, showed great potential to be explored as biomaterials for durable implants.
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Affiliation(s)
- Xiaofei Wu
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Hanxiao Jia
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Wenshuo Fu
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Meng Li
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Yitong Pan
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
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5
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Benda J, Narikiyo H, Stafslien SJ, VanderWal LJ, Finlay JA, Aldred N, Clare AS, Webster DC. Studying the Effect of Pre-Polymer Composition and Incorporation of Surface-Modifying Amphiphilic Additives on the Fouling-Release Performance of Amphiphilic Siloxane-Polyurethane Coatings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37229-37247. [PMID: 35939765 DOI: 10.1021/acsami.2c10983] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Combining amphiphilic fouling-release (FR) coatings with the surface-active nature of amphiphilic additives can improve the antifouling/fouling-release (AF/FR) properties needed to offer broad-spectrum resistance to marine biofoulants. This work is focused on further tuning the amphiphilic character of a previously developed amphiphilic siloxane-polyurethane (SiPU) coating by varying the amount of PDMS and PEG in the base system. Furthermore, surface-modifying amphiphilic additives (SMAAs) were incorporated into these amphiphilic FR SiPU coatings in varying amounts. ATR-FTIR, contact angle and surface energy measurements, and AFM were performed to assess changes in surface composition, wettability, and morphology. AF/FR properties were evaluated using laboratory biological assays involving Cellulophaga lytica, Navicula incerta, Ulva linza, Amphibalanus amphitrite, and Geukensia demissa. The surfaces of these coatings varied significantly upon changes in PDMS and PEG content in the coating matrix, as well as with changes in SMAA incorporation. AF/FR properties were also significantly changed, with formulations containing the highest amounts of SMAA showing very high removal properties compared to other experimental formulations, in some cases better than that of commercial standard FR coatings.
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Affiliation(s)
- Jackson Benda
- Department of Coatings and Polymeric, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Hayato Narikiyo
- Graduate School of Engineering, Department of Polymer Chemistry, Kyoto University, Sakyo Ward, Kyoto 606-8501, Japan
| | - Shane J Stafslien
- Department of Coatings and Polymeric, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Lyndsi J VanderWal
- Department of Coatings and Polymeric, North Dakota State University, Fargo, North Dakota 58108, United States
| | - John A Finlay
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - Nick Aldred
- School of Life Sciences, University of Essex, Wivenhoe Park, Colchester CO4 3SQ, U.K
| | - Anthony S Clare
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K
| | - Dean C Webster
- Department of Coatings and Polymeric, North Dakota State University, Fargo, North Dakota 58108, United States
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Hybrid Tri-Cure Organo-Silicon Coatings for Monument Preservation. COATINGS 2022. [DOI: 10.3390/coatings12081098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A coating system integrating three distinct chemistries was developed to protect materials used in monuments and construction. Initial curing is achieved using a UV-initiated thiol-ene reaction to form a non-impressionable/non-sticky surface. Second, amine/epoxy reactions form a firm surface adhesion and give mechanical strength through consolidation. Third, alkoxysilane sol-gel curing integrates the siloxane network while adding thermal stability, hydrophobicity, and a hardened surface. The final design utilizes a photoacid generator to increase the reaction speed of the second and third curing steps. The coating can be applied by spray, dip, or wipe on methods and exhibits a rapid non-impressionable surface (as fast as 10 min) that resists graffiti and environmental conditions, and is used and stored as a single-component system with a pot life exceeding six months. A series of experiments were used to determine the coating properties and durability, including field testing and accelerated weathering.
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7
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Wang J, Wu B, Dhyani A, Repetto T, Gayle AJ, Cho TH, Dasgupta NP, Tuteja A. Durable Liquid- and Solid-Repellent Elastomeric Coatings Infused with Partially Crosslinked Lubricants. ACS APPLIED MATERIALS & INTERFACES 2022; 14:22466-22475. [PMID: 35533373 DOI: 10.1021/acsami.2c03408] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Surfaces that are resistant to both liquid fouling and solid fouling are critical for many industrial and biomedical applications. However, surfaces developed to address these challenges thus far have been generally susceptible to mechanical damage. Herein, we report the design and fabrication of robust solid- and liquid-repellent elastomeric coatings that incorporate partially crosslinked lubricating chains within a durable polymer matrix. In particular, we fabricated partially crosslinked omniphobic polyurethane (omni-PU) coatings that can repel a broad range of liquid and solid foulants. The fabricated coatings are an order of magnitude more resistant to cyclic abrasion than current state-of-the-art slippery surfaces. Further through the integration of classic wetting and tribology models, we introduce a new material design parameter (KAR) for abrasion-resistant polymeric coatings. This combination of mechanical durability and broad antifouling properties enables the implication of such coatings to a wide variety of industrial and medical settings, including biocompatible implants, underwater vehicles, and antifouling robotics.
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Affiliation(s)
- Jing Wang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Bingyu Wu
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- BioInterface Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Abhishek Dhyani
- BioInterface Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Taylor Repetto
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- BioInterface Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Andrew J Gayle
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Tae H Cho
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Neil P Dasgupta
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Anish Tuteja
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- BioInterface Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
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8
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Dahlgren J, Foy L, Hunsucker K, Gardner H, Swain G, Stafslien SJ, Vanderwal L, Bahr J, Webster DC. Grooming of fouling-release coatings to control marine fouling and determining how grooming affects the surface. BIOFOULING 2022; 38:384-400. [PMID: 35655420 DOI: 10.1080/08927014.2022.2084389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 05/16/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Grooming may be an effective technique to control marine biofouling without damaging the coating or discharging active ingredients into the environment. This study assessed the grooming performance of three experimental biocide-free siloxane polyurethane (SiPU) fouling-release coatings. Coatings were statically immersed in Port Canaveral, Florida, and groomed every two weeks for five months using three different brush types. The ungroomed panels became heavily fouled with biofilm, tubeworms, barnacles, and bryozoans. Two of the brushes were able to control the fouling with a coverage of <5%. The commercial silicone elastomer coating was damaged from grooming procedures, while the SiPU coatings were not. Laboratory biological assays were carried out and mirrored the grooming results. Through surface characterization techniques, it was concluded that the coatings were unaffected by the grooming procedures. This study shows that marine fouling on durable SiPU fouling-release coatings can be controlled via grooming without damage or changing the surface properties.
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Affiliation(s)
- Joseph Dahlgren
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota, USA
| | - Lauren Foy
- Center for Corrosion and Biofouling Control, Florida Institute of Technology, Florida, USA
| | - Kelli Hunsucker
- Center for Corrosion and Biofouling Control, Florida Institute of Technology, Florida, USA
| | - Harrison Gardner
- Center for Corrosion and Biofouling Control, Florida Institute of Technology, Florida, USA
| | - Geoff Swain
- Center for Corrosion and Biofouling Control, Florida Institute of Technology, Florida, USA
| | - Shane J Stafslien
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota, USA
| | - Lyndsi Vanderwal
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota, USA
| | - James Bahr
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota, USA
| | - Dean C Webster
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, North Dakota, USA
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Qiu H, Feng K, Gapeeva A, Meurisch K, Kaps S, Li X, Yu L, Mishra YK, Adelung R, Baum M. Functional Polymer Materials for Modern Marine Biofouling Control. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101516] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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