Acrylate boron silane polymer/carbon nitride–titanium dioxide composite coatings with enhancing photocatalytic antifouling performance under visible light / Yakun Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 4 (07/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 4 (07/2023) . - p. 1445-1458 Titre : Acrylate boron silane polymer/carbon nitride–titanium dioxide composite coatings with enhancing photocatalytic antifouling performance under visible light Type de document : texte imprimé Auteurs : Yakun Li, Auteur ; Jianjun Liao, Auteur ; Haiqi Zhang, Auteur ; Xingsan Tang, Auteur ; Shiqiang Zhong, Auteur ; Qiuxia Li, Auteur Année de publication : 2023 Article en page(s) : p. 1445-1458 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Copolymère acrylate de bore silane Dioxyde de titane Formulation (Génie chimique) Nitrure de carbone Photocatalyse Revêtement auto-nettoyant Revêtements antisalissures Index. décimale : 667.9 Revêtements et enduits Résumé : Herein, a series of antifouling coatings (CTNCs) composed of acrylic boron silicon polymer (ABSP) and environmental-friendly photocatalysts C3N4-TiO2(B) heterojunctions were successfully prepared. Large-scale production and low-cost photocatalyst C3N4-TiO2(B) can be perfectly compounded with ABSP, realizing the possibility of engineering application. SEM and AFM analysis showed that the C3N4-TiO2(B) particles were firmly embedded in the coating, but serious agglomeration appeared when the content of the photocatalyst exceeds 7 wt%. The hydrophilic nanoparticles can accelerate the hydrolysis and adjust the self-polishing rates of the polymer matrix to repel bacteria and algae. When the content of C3N4-TiO2(B) was in the range of 5–7 wt%, the CTNCs displayed better resistance to Nitzschia closterium, Staphylococcus aureus and Escherichia coli than the coating containing pure C3N4, and the anti-bacterial rates towards S. aureus and E. coli can reach 99.72% and 98.96%. Note de contenu : - EXPERIMENTAL SECTION : - Materials - Preparation of TiO 2 (B) single-crystalline nanorods - Preparation of C 3 N 4 -TiO 2 (B) - Synthesis of ABSP - Preparation of CTNCs - Characterization - RESULTS AND DISCUSSION : - Structural characteristics of C 3 N 4 –TiO 2 (B) heterojunction - Surface chemical states of C3N4-TiO2 heterojunction - Surface morphology of CTNCs - Surface wettability and self-polishing rates of CTNCs - Diatom antisettling test - Anti-bacterial test - Environmental properties - Antifouling mechanism of CTNCs - Table 1 : The preparation formula of CTNCs DOI : https://doi.org/10.1007/s11998-022-00757-0 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00757-0.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39728 [article]

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Advancements in coatings industry to improve interior air quality / Gagandeep Khanuja in PAINTINDIA, Vol. LXVI, N° 5 (05/2016)  

[article]  inPAINTINDIA > Vol. LXVI, N° 5 (05/2016) . - p. 51-60 Titre : Advancements in coatings industry to improve interior air quality Type de document : texte imprimé Auteurs : Gagandeep Khanuja, Auteur ; Avishi Agarwal, Auteur Année de publication : 2016 Article en page(s) : p. 51-60 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Air intérieur Antimicrobiens Atmosphère -- Pollution -- Lutte contre Composés organiques volatils Encapsulation Formaldéhyde -- Elimination Peinture ionique Photocatalyse Réduction des composés organiques volatils Revêtements -- Additifs:Peinture -- Additifs Revêtements -- Industrie -- Aspect de l'environnement:Peinture -- Industrie -- Aspect de l'environnement Revêtements en phase aqueuse:Peinture en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : In this paper, a review of the present status of the research and technological Advancements in the field of Coating industry to improve interior air quality is attempted. Indoor air quality, including that of dwellings, has become a question of environmental health in the same way as has happened with control of outdoor air quality and exposure at work. The adverse effects due to poor air quality in closed spaces affect a considerable number of people, since it has been shown that urban dwellers spend between 58 and 78% of their time in an indoor environment which is contaminated and so there is an urgent need to improvise upon the indoor air and thus enhance its quality. ln the following review, various advancements in coating industry to improve interior air quality are discussed in detail. The paper describes about the major contaminants of the indoor air pollution and how they affect the environment adversely. What are VOCs and how their emissions can be minimised to improve the interior air quality is also discussed. In addition to reduction of the emissions of VOCs special attention is paid to the technological advancennents such as formaldehyde abatement technology, encapsulation technology, ionic paint additive technology, anti-bacterial coatings, smoke and odor elimination coatings, air flow waterbome coatings, photocatalyst coating that remove and nninimize the already present indoorair contaminants and improve the interior air quality. Note de contenu : - Interior air quality - Causes of IAS problem - Major contaminants - Characteristic chemical pollutants - Effects of poor IAQ - Sick building syndrome (SBS) - Building related illness (BRI) - Multiple chemical sensitivity (MCS) - Advancements in coating industry to reduce the VOC emission from the coating industsry - The methods for reduction of VOC in the coating industry - Advancements in coating industry to reduce the presence of formaldehyde in the air - Advancements in coating industry through encapsulation (core & shell) technology - Advancements in coating industry for smoke and odour elimination - Advancements in coating industry to reduce mvoc(microbial volatile organic compounds) - Advancements in antibacterial/antimicrobial coatings - Advancements in coating industry through photocatalyst oxidation technology - Strong oxidation - Super hydrophobicity - Photocatalyst harmful degradation En ligne : https://drive.google.com/file/d/14Mg26NSn6i8KRSzY-mznDTxK0XhAxM5H/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26843 [article]

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Air de-polluting technology in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 202, N° 4572 (05/2012)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 202, N° 4572 (05/2012) . - p. 36-38 Titre : Air de-polluting technology Type de document : texte imprimé Année de publication : 2012 Article en page(s) : p. 36-38 Langues : Anglais (eng) Catégories : Air -- Epuration Atmosphère -- Pollution -- Lutte contre Dioxyde de titane Matériaux intelligents Oxydes d'azote Photocatalyse Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : Significant improvements in air quality in major cities in the Middle East were addressed by Cristal Global, with experts discussing the rising problem of pollution in the MENA region and utilising the power of the sun to remove hazardous Nitrogen Oxide from the urban environment. Note de contenu : - Collaboration commitment - Energy from the sun - Case studies En ligne : https://drive.google.com/file/d/1Zd_OADQNX8X-KhE-9wUOROO6xh2nbz1E/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14790 [article]

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An enhancement in the photocatalytic activity of TiO2 by the use of Pd : the question of layer sequence in the resulting hierarchical structure in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 8, N° 1 (01/2011)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 8, N° 1 (01/2011) . - p. 75-81 Titre : An enhancement in the photocatalytic activity of TiO2 by the use of Pd : the question of layer sequence in the resulting hierarchical structure Type de document : texte imprimé Année de publication : 2011 Article en page(s) : p. 75-81 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antibactériens Dioxyde de titane Escherichia coli Palladium Photocatalyse Revêtements Sol-gel, Procédé Index. décimale : 667.9 Revêtements et enduits Résumé : TiO2 and Pd-modified TiO2 photocatalysts were prepared by sol–gel method. X-ray diffraction (XRD) data showed that the presence of Pd in TiO2 catalyst decreases the crystalline size of TiO2 and stabilizes anatase phase. The study of the photocatalytic activity of the films via Linear Sweep Voltametry (LSV) plots and antibacterial test against Escherichia coli ATCC 25922—a gram negative bacterium—showed that Pd increases the photocatalytic activity of the coatings. Besides, the sequence of layer deposition (TiO2 and Pd-modified TiO2) influences the photocatalytic properties. In other words, more photocatalytic activity is obtained when Pd-modified layer is deposited first. DOI : 10.1007/s11998-010-9274-1 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-010-9274-1.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10925 [article]

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Application of Mn-doped mesoporous TiO2 in tannery wastewater treatment / Xiu He in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 103, N° 6 (11-12/2019)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 103, N° 6 (11-12/2019) . - p. 318-322 Titre : Application of Mn-doped mesoporous TiO2 in tannery wastewater treatment Type de document : texte imprimé Auteurs : Xiu He, Auteur ; Xiaocong Wang, Auteur ; Baozhen Cheng, Auteur ; Shan Cao, Auteur ; Jianfei Zhou, Auteur Année de publication : 2019 Article en page(s) : p. 318-322 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation Dioxyde de titane Eaux usées -- Epuration Manganèse Matériaux mésoporeux Photocatalyse Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Treatment of tannery wastewater is a challenging task because of its complex components, deep colour and high concentration of suspended solids. This study aims to develop a treatment system that can effectively reduce the pollutants in tannery wastewater to an environmentally acceptable level. Manganese (Mn)-doped mesoporous titanium dioxide (T102) was successfully synthesized via a sol-gel method using butyl titanate as a precursor and surfactant P123 as a template. When the dosage of Mn in the mesoporous Ti02 was 0.4%, the degradation rate of organic pollutants was nearly 90% after 8 hours of treatment with metal halide. The as-prepared products showed excellent photocatalytic activity even sunlight was used as an illuminant. The degradation rate of organic pollutants reached 87.5% when sunlight was used for excitation. Results of this study can be used as a reference in purifying various types of industrial wastewater. Note de contenu : - MATERIALS AND METHODS : Chemicals - Preparation of Mn-doped mesoporous TiO3 - Characterisation - Photocatalytic activity - RESULTS AND DISCUSSION : Preparation and characterisation of Mn-doped mesoporous Tio2 En ligne : https://drive.google.com/file/d/1eXAhb-b6ASSAPbNVsMuEIHBX4Y6ikldm/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33210 [article]

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Assemblages polyoxométallates-porphorynines pour la photocatalyse solaire / Delphine Schaming in L'ACTUALITE CHIMIQUE, N° 362 (04/2012)  

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Cellulose reinforced-TiO2 photocatalyst coating on acrylic plastic for degradation of reactive dyes / Nageswara Rao in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 7, N° 5 (09/2010)  

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Characterization and testing of photoreactive pigments / Pier Luigi Bonora in DOUBLE LIAISON, N° 554 (12/2006)

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Charbon actif et photocatalyse pour bâche anti-odeur / Pierrick Girard in TEXTILES A USAGES TECHNIQUES (TUT), N° 55 (1er trimestre 2005)

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Clean air : photocatalytic technology for tunnels / Christoph Maria Ravesloot in EUROPEAN COATINGS JOURNAL (ECJ), N° 3 (03/2012)  

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Clearing the way / Anna Kotnis in EUROPEAN COATINGS JOURNAL (ECJ), N° 01/2009 (01/2009)  

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Combinatorial coating based on light-sensitive photocatalysts - biostatic, self-cleaning and UV protective textiles / Omid Etemad-Parishanzadeh in TECHNICAL TEXTILES, Vol. 65, N° 4 (10/2022)  

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Concrete benefits from new nanoparticles / Antonio Esteban-Cubillo in EUROPEAN COATINGS JOURNAL (ECJ), N° 11 (11/2013)  

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Considerations for the new environmental impact of paints containing TiO2 / Billy Golder in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 204, N° 4600 (09/2014)  

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Corrosion protection and photo-activity with nanoparticles / Thomas Rentschler in DOUBLE LIAISON, N° 553 (11/2006)

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Une couche antimicrobienne in GALVANO ORGANO, N° 817 (01-02/2013)

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Cyclic dechroming process for chrome shavings by coordination substitution reaction and photocatalysis / Yuling Tang in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIX, N° 11 (11/2014)  

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Degradation and stability of polymers in presence of titanium dioxide / Zeba Fahreen in PAINTINDIA, Vol. LVI, N° 1 (01/2006)

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Dégradation du méthanal en solution par photocatalyse TiO2/UV / Anaëlle Cloteaux in L'ACTUALITE CHIMIQUE, N° 390 (11/2014)

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Doped TiO2 nanophotocatalysts for leather surface finishing with self-cleaning properties / Aurora Petica in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 6 (11/2015)  

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