Dye incorporated nanopolymers and their application to leather wastewater : a study of removal of Cr(III) ions in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 4 (07-08/2016)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 100, N° 4 (07-08/2016) . - p. 208-215 Titre : Dye incorporated nanopolymers and their application to leather wastewater : a study of removal of Cr(III) ions Type de document : texte imprimé Année de publication : 2016 Article en page(s) : p. 208-215 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorbants et adsorbants Bleu (couleur) Chrome trivalent Colorants Déchets industriels -- Elimination Eaux usées -- Epuration Ions métalliques Nanopolymères Polymères -- Synthèse Polymérisation en émulsion Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In this presented work, Alkali Blue 6B-attached poly(2-hydroxyethyl methacrylate) nanopolymers (nano-PHEMA-AB) were synthesized as an adsorbent for the removal of the heavy metal Cr(III) from leather wastewater. For this purpose, first PHEMA nanopolymers were prepared by surfactant free emulsion polymerization. Alkali Blue 6B was then covalently attached to the PHEMA nanopolymers. Characterization of the nano-PHEMA-ABs was carried out by elemental analysis, SEM, FT-1R and Zeta Size analysis. The specific surface area of nano-PHEMA-AB was calculated to be 1131.2m2/g. The optimum adsorption conditions (i.e. adsorption capacity, medium pH, adsorption rate) were studied and reusability of nano-PHEMA-AB was also determined. The maximum Cr(III) adsorption capacity of nana-PHEMA-AB was found to be 4755.9mg/g al pH3.8. Additionally synthesized nano-PHEMA-AB were used for the removal of Cr(III) ions from chrome tanning wastewater and Cr(III) removal capacity of the nanopolymer was found to be 2724.2mg/g at pH3.9. According to the results, dye incorporated PHEMA nanopolymers can be used as an effective, re-usable remover of Cr(III) from leather wastewater due to their large surface area and high adsorption capacity. Note de contenu : - Characterization of nano-PHEMA-AB - Adsorption of Cr(III) ions - Desorption and reusability of nano-PHEMA-AB - Adsorption of Cr(III) ions from leather wastewater En ligne : https://drive.google.com/file/d/1xbhUDOib2fUXQO84a-D6rpXzcMX--FI1/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26799 [article]

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Nano-coatings for textiles and nonwovens / Aäron Claeys in CHEMICAL FIBERS INTERNATIONAL, Vol. 65, N° 3 (10/2015)  

[article]  inCHEMICAL FIBERS INTERNATIONAL > Vol. 65, N° 3 (10/2015) . - p. 180-181 Titre : Nano-coatings for textiles and nonwovens Type de document : texte imprimé Auteurs : Aäron Claeys, Auteur Année de publication : 2015 Article en page(s) : p. 180-181 Langues : Anglais (eng) Catégories : Essais (technologie) Nanopolymères Nanotechnologie Nontissés Revêtements Structure chimique Textiles et tissus Index. décimale : 667.4 Encres Résumé : Scientific and commercial research into nanopolymer technology, polymers or copolymers with nanoparticles or nanofillers dispersed in the polymer matrix, has exploded since its discovery less than a decade ago and today there are many applications for nanopolymers bath in the industry and in consumer markets. From medical devices to cars and now textiles and clothing, the technology, which is invisible to the human eye, is now all around us. One avenue of research, development and commercialization of nanopolymers is in the nano-coatings industry where nanopolymer coatings can impart amazing new properties to materials, increasing their effectiveness whilst decreasing their maintenance time and cost. This article is on some new developments, the chemical structure of the advanced coatings and how to see the evolution on the market. Note de contenu : - Current coatings in the market - Test description - The concentration itself En ligne : https://drive.google.com/file/d/1ev5kna2Onqjulh8hwr31VrzqoXxiXQAQ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24750 [article]

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Nanotechnology & coatings Q & A / Vinayak M. Natu in PAINTINDIA, Vol. LIX, N° 8 (08/2009)

[article]  inPAINTINDIA > Vol. LIX, N° 8 (08/2009) . - p. 113-116 Titre : Nanotechnology & coatings Q & A Type de document : texte imprimé Auteurs : Vinayak M. Natu, Auteur Année de publication : 2009 Article en page(s) : p. 113-116 Langues : Anglais (eng) Catégories : Nanopolymères Nanotechnologie Polyaddition Polymères -- Synthèse Polymérisation radicalaire controlée Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : - Why are block copolymer micelles an important nanomaterial ? - What is the role of controlled radical polymerization (CRP) in the synthesis of nanopolymers ? - What is the theoretical principle behind controlled radical polymerization (CRP) ? - How is controlled polymerization (CRP) carried out practically ? Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=6835 [article]

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