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Mention de date : 10/2009
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A review on recent developments in polyurethane/acrylate hybrid dispersions / Vilas D. Athawale in PAINTINDIA, Vol. LIX, N° 10 (10/2009)
[article]
Titre : A review on recent developments in polyurethane/acrylate hybrid dispersions Type de document : texte imprimé Auteurs : Vilas D. Athawale, Auteur ; A. Kulkarni, Auteur Année de publication : 2009 Article en page(s) : p. 67-96 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Copolymères greffés
Polymères en émulsion
Polymérisation en émulsion
Polyuréthanes
Revêtements:PeintureIndex. décimale : 667.9 Revêtements et enduits Résumé : Development of high quality coatings with zero to low VOCs is one of the most difficult challenges that the coating industries are facing today. Various approaches to meet the new requirements, particularly to reduce VOC emissions, are being pursued. The use of waterborne coatings has increased substantially and has surpassed solventborne in volume. Aqueous polyurethane dispersion (PUD) is one such boon to coating industry. Due to potential large volume of applications combined with versatility in the properties, a good amount of work is being done on this topical issue of aqueous polyurethane dispersions. Howver, the controversy over the cost and hydrolytic stability of PUDs has driven researchers to concentrate on hybrid coatings. Many attempts have been made to trim down the relatively high cost of PUDs and to match their performance attributes with solvent borne coatings. Due to consistent efforts put in by many researchers in this field during the last couple of decades, significant progress has been accomplished in developing the understanding of the subject. Several papers and few review articles have come out that are devoted to use of these products and their commercial applications. The aim of this review is to offer a better understanding of the basic aspect of the hybrid polyurethane dispersions, with the hope that it may serve both as a reference work and as a starting point for future work. This article is an extensive review of the literature on aqueous polyurethane/acrylate hybrid systems that use water as a carrier. It generally covers the period from 1981 to 2009 with special emphasis on recent development after the turn of century. This review will give a general overview of the polyurethane dispersion, their synthesis and modification techniques as well as strategies used for the preparation of the PUDs and hybrids, putting a number of recent studies into collective context. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8317
in PAINTINDIA > Vol. LIX, N° 10 (10/2009) . - p. 67-96[article]Réservation
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Titre : Paramagnetic coatings Type de document : texte imprimé Auteurs : Deeplaxmi L. Chawan, Auteur Année de publication : 2009 Article en page(s) : p. 97-100 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : New generations of coatings have been developed called paramagnetic coatings. These are based on a special polymer embedded with superparamagnetic materials such as iron oxide particles or other paramagnetic ions. The orientation of nanoscale crystalline particles or iron oxide is controlled using a low grade magnetic field which is used to effect the spacing of the colloidal crystals and thereby controlling their ability to reflect light and change color. These coatings also find applications in medical field such as medical devices to make them visible inside the body with MRI, EPR Oximetry for measuring oxygen concentration in tissues, pain relief compositions, etc. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8318
in PAINTINDIA > Vol. LIX, N° 10 (10/2009) . - p. 97-100[article]Réservation
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Titre : Nanotechnology & coatings, Q & A Type de document : texte imprimé Auteurs : Vinayak M. Natu, Auteur Année de publication : 2009 Article en page(s) : p. 103-108 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : How are 'host-guest' complexes formed ?
How can host-guest chemistry help achieve new functionalities ?
What is the principle of 'small angle X ray scattering (SAXS)'?
What is the confrontation of a SAXS instrument ?
Where can the SAXS technique be gainfully applied ?Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8322
in PAINTINDIA > Vol. LIX, N° 10 (10/2009) . - p. 103-108[article]Réservation
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Titre : Electrical insulating materials Type de document : texte imprimé Auteurs : V. C. Malshe, Auteur Année de publication : 2009 Article en page(s) : p. 109-116 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Polymères (isolants électriques) Index. décimale : 668.9 Polymères Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8323
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011951 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |