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Coffee/polydimethylsiloxane composite coating for preventing marine biofouling / Limei Tian in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 3 (05/2023)
[article]
Titre : Coffee/polydimethylsiloxane composite coating for preventing marine biofouling Type de document : texte imprimé Auteurs : Limei Tian, Auteur ; Jianfu Wang, Auteur ; Yue Yin, Auteur ; Wei Bing, Auteur ; Wenbo Du, Auteur ; Huichao Jin, Auteur Année de publication : 2023 Article en page(s) : p. 949-955 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anti-algues
Antibactériens
Café et constituants
Caractérisation
Enrobage (technologie)
Essais (technologie)
PolydiméthylsiloxaneLe polydiméthylsiloxane —[O-Si(CH3)2]n—, ou poly(diméthylsiloxane) selon la nomenclature systématique, communément appelé PDMS ou diméthicone, est un polymère organominéral de la famille des siloxanes souvent présent dans les shampoings. On l'y ajoute pour augmenter le volume des cheveux mais il peut également aller boucher les pores du cuir chevelu et rendre les cheveux gras. C'est une des raisons pour lesquelles se laver les cheveux tous les jours est très déconseillé avec un shampooing contenant des silicones.
Il existe également de l'amodiméthicone, qui est un dérivé du diméthicone.
Le polydiméthylsiloxane est un additif alimentaire (E900), utilisé comme antimoussant dans les boissons (Coca-Cola BlāK).
La chaîne de poly(diméthylsiloxane) forme également la structure de base des huiles et des caoutchoucs silicones.
Revêtements antisalissures
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : Marine biofouling is a major issue in the marine industry. Traditional antifouling coatings have been banned worldwide due to their toxicity to nontarget organisms. Herein, we reported a polydimethylsiloxane (PDMS) coating with coffee as antifoulants. In the study, two coffee/PDMS composite coatings with 5 and 10% weight coffee were prepared, and pristine PDMS was selected as the control. In the early stage of biofouling, the settlement of microalgae and bacteria is crucial for the biofilm formation; thus, the Chlorella and bacteria Paracoccus pantotrophus (P. pantotrophus) were employed as the fouling models in the antifouling tests. In the antialgal test, both coffee/PDMS coatings exhibited excellent antialgal capability, while pristine PDMS was covered with many algal cells. In the antibacterial test, both coffee coatings showed better antifouling capability than the pristine PDMS, and the 10% coffee coating showed the best antifouling capability. A further study revealed that the coffee could inhibit the growth of P. pantotrophus in the liquid environment. According to the immersion and antibacterial tests, it could be concluded that the coffee coatings released coffee to surroundings to prevent biofouling. Overall, the 10% coffee/PDMS coating is a good choice for preventing marine biofouling, but the coffee leaching may be a barrier for long-term use. Note de contenu : - MATERIALS AND METHODS : Materials - Pretreatment of coffee - Fabrication of coffee/PDMS (CP) coatings - Characterization of CP coatings - Antialgal assays - Antibacterial assays - Weight loss tests
- RESULTS AND DISCUSSION : Characterization - Antifouling assaysDOI : https://doi.org/10.1007/s11998-022-00714-x En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00714-x.pdf?pdf=button Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39439
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 3 (05/2023) . - p. 949-955[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24069 - Périodique Bibliothèque principale Documentaires Disponible Combinatorial approach to study the effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane fouling-release coatings / Robert J. Pieper in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 4, N° 4 (12/2007)
[article]
Titre : Combinatorial approach to study the effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane fouling-release coatings Type de document : texte imprimé Auteurs : Robert J. Pieper, Auteur ; Abdullah Ekin, Auteur ; Dean C. Webster, Auteur ; Franck Cassé, Auteur ; J. A. Callow, Auteur ; Maureen E. Callow, Auteur Année de publication : 2008 Article en page(s) : p. 453-461 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Analyse thermique
Angle de contact
Chimie combinatoire
Chromatographie sur gel
Polyacryliques
Polyuréthanes
Résistance à la salissure
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Revêtements antisalissures:Peinture antisalissures
Salissures biologiques
Salissures marines
SiliconesLes silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki).
Transition vitreuseIndex. décimale : 667.9 Revêtements et enduits Résumé : The effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane coatings was explored. An acrylic polyol library was synthesized using batch solution polymerization and characterized using high-throughput gel permeation chromatography (Rapid-GPC) and differential scanning calorimetry (DSC). Siloxane-polyurethane coatings were prepared from 3-aminopropyl-terminated poly(dimethylsiloxane) (PDMS), the acrylic polyols and a polyisocyanate crosslinker. The siloxane-acrylicpolyurethane coatings were tested for mechanical and physical properties. The siloxane-polyurethane coatings had a systematic variation in glass transition temperature and had water contact angles ranging from 95° to 100°. Many of the coatings also showed a low-force of release in the pseudo-barnacle pull-off adhesion test. Performance testing of the fouling-release properties of the siloxane-polyurethane coatings on array panels with algae, namely the diatom Navicula and sporelings (young plants) of the green seaweed Ulva was also conducted. DOI : 10.1007/s11998-007-9032-1 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-007-9032-1.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3632
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 4, N° 4 (12/2007) . - p. 453-461[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 009005 - Périodique Bibliothèque principale Documentaires Disponible Combined 'spear and shield' : superhydrophilic antimicrobial and antifouling mesh membrane for efficient oil–water separation through facile and environmentally friendly strategy / Ming Lu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 1 (01/2017)
[article]
Titre : Combined 'spear and shield' : superhydrophilic antimicrobial and antifouling mesh membrane for efficient oil–water separation through facile and environmentally friendly strategy Type de document : texte imprimé Auteurs : Ming Lu, Auteur ; Jiasi Zhao, Auteur ; Weiping Tu, Auteur ; Jianqing Hu, Auteur ; Feng Wang, Auteur Année de publication : 2017 Article en page(s) : p. 243–253 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antimicrobiens
Eau
Huiles et graisses
Hydrophilie
PDSH
Polymérisation en émulsion
Revêtements antisalissures:Peinture antisalissures
Séparation (technologie)Index. décimale : 667.9 Revêtements et enduits Résumé : Superhydrophilic stainless steel mesh membranes (SSMMs) with excellent antifouling, antimicrobial, and filtration performance, based on three-layer architecture, have been successfully prepared by a facile and environmentally friendly strategy. The superhydrophilic terpolymer poly(DMHB-SPP-HEA), denoted as PDSH, was synthesized through aqueous solution polymerization. PDSH-coated SSMMs (PDSH-SSMMs) were achieved by successive dip-coating of the commercial SSMMs into polyvinyl alcohol, divinyl sulfone (DVS), and PDSH solutions. The DVS layer and PDSH solution were crosslinked through DVS chemistry to enhance the hydrophilicity and provide a number of unique properties, such as antimicrobial activity, antifouling ability, and oil–water separation capability. Two different PDSH-SSMMs, PDSH0-SSMM and PDSH5-SSMM, were prepared and characterized using FTIR, SEM, and contact angle measurement (CAM). The antimicrobial activity, bovine serum albumin (BSA) fouling, and oil–water separation performance were evaluated simultaneously. The results indicate that PDSH0-SSMM is an excellent oil–water separation membrane for long-term separation, together with its extra antimicrobial and antifouling properties. It is promising for the industrialization of multi-functional membranes through this facile and environmentally friendly strategy. Note de contenu : - EXPERIMENTAL : Terpolymer synthesis - PDSH-SSMMs preparation - Terpolymer characterization - Surface characterization - Biological characterization - Filtration tests
- RESULTS AND DISCUSSION : Terpolymer characterization - Surface characterization - Biological tests - Filtration tests - Necessity of the zwitterionDOI : 10.1007/s11998-016-9834-0 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-016-9834-0.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27806
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 1 (01/2017) . - p. 243–253[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18674 - Périodique Bibliothèque principale Documentaires Disponible Comparative release rates from controlled release polymer coatings—comparisons between models and experiment / Prakash S. Sane in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 16, N° 4 (07/2019)
[article]
Titre : Comparative release rates from controlled release polymer coatings—comparisons between models and experiment Type de document : texte imprimé Auteurs : Prakash S. Sane, Auteur ; Kumar Ghosh Swapan, Auteur ; Donald Sundberg, Auteur Année de publication : 2019 Article en page(s) : p. 1193-1200 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Etudes comparatives
Revêtements -- Additifs:Peinture -- Additifs
Revêtements antisalissures:Peinture antisalissures
Revêtements organiques
Système de libération contrôlée (technologie)Index. décimale : 667.9 Revêtements et enduits Résumé : Controlled release devices and coatings are used heavily in widely varying applications. Here, we focus on applications to antifouling coatings by adding an active agent to polymeric coatings. Quantitative models were developed for four distinctively different methods of dispersing the active agent in the coating. The predicted release rates from these models were contrasted to reveal the inherent differences in the time-dependent release rate profiles achievable from these types of coatings. The majority of these four coatings (monolithic, dispersed particle and reservoir membrane) release the active agent with greatly varying rates over their effective lifetimes, while a microcapsule-based coating has the potential to produce relatively constant rates of release. While the models are potentially of great value, they require a number of parameters, particularly the diffusion coefficient of the active agent through the polymer, to be quantified. We demonstrate how such parameters can be quantified through release rate measurements from simple experimental coatings. Note de contenu : - MODELING FRAMEWORK : Monolithic coatings - Dispersed particle coatings - Reservoir membrane coatings - Microcapsule-based coatings
- EXPERIMENTAL WORK : Materials - Emulsion polymerization - Typical paint preparation - Characterization
- RESULTS AND DISCUSSION : Comparative release rates from different types of coatings - Experimental release ratesDOI : 10.1007/s11998-019-00226-1 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-019-00226-1.pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32873
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 4 (07/2019) . - p. 1193-1200[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21127 - Périodique Bibliothèque principale Documentaires Disponible Comparing polysiloxane with traditional coatings / PPG Industries (Pittsburgh, USA) in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 201, N° 4562 (07/2011)
[article]
Titre : Comparing polysiloxane with traditional coatings Type de document : texte imprimé Auteurs : PPG Industries (Pittsburgh, USA), Auteur Année de publication : 2011 Article en page(s) : p. 14-16 Langues : Anglais (eng) Catégories : Marines (peinture)
Revêtements antisalissures:Peinture antisalissures
SiliconesLes silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki).Index. décimale : 667.9 Revêtements et enduits Résumé : The last two decades have seen continuous improvement in the performance and aesthetic versatility of polysiloxane coatings. PPG examines the chemistry behind PSX 700 and PSX 700SG coatings, and explains how they can offer long-term economic and environmental performance compared to traditional epoxy/urethane and epoxy/silicone-alkyd coating systems. Note de contenu : - PSX 700 TECHNOLOGY
- POLYSILOXANE CHEMISTRY : The silicon-oxygen bond
- PSX 700 PERFORMANCE : Extended service life/superior colour retention - Better adhesion - Lower labour and installation costs - Application versatility - PSX 700SG and MIL-Spec 24635En ligne : https://drive.google.com/file/d/16xCsvCLf75jUuHvariE5-sEpEbgv7T51/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12249
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 201, N° 4562 (07/2011) . - p. 14-16[article]Réservation
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PermalinkDeveloping new marine antifouling surfaces : Learning from single strain laboratory tests / Sara I. Faria in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 211, N° 4668 (04/2021)
PermalinkDevelopment of environmentally friendly, antifouling coatings based on tethered quaternary ammonium salts in a crosslinked polydimethylsiloxane matrix / Partha Majumdar in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 5, N° 4 (12/2008)
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