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Epoxy resin and their hybrid for coating application : a review / Rakesh N. Patil in PAINTINDIA, Vol. LX, N° 3 (03/2010)

[article]  inPAINTINDIA > Vol. LX, N° 3 (03/2010) . - p. 59-69 Titre : Epoxy resin and their hybrid for coating application : a review Type de document : texte imprimé Auteurs : Rakesh N. Patil, Auteur ; Prakash A. Mahanwar, Auteur ; B. V. Sharma, Auteur ; Seena Joseph, Auteur Année de publication : 2010 Article en page(s) : p. 59-69 Note générale : Bibliogr. Langues : Anglais (eng) Tags : 'Résines  époxydes'  Hybridation  'Peinture  émulsion'  Charactérisation Index. décimale : 667.9 Revêtements et enduits Résumé : Epoxy resin is used from last few decades for coating application in many fields. Nowadays use of waterborne resins for coating is increased because it is environment friendly, reduces volatile organic compounds (VOC) emission and reduces cost due to use of water as solvent. Properties of epoxy resin are improved by preparation of their hybrids. In this paper some of the techniques like blending, alloying, sol-gel, emulsion polymerization used for preparation of hybrid epoxy resin are discussed. There are different types of hybrid epoxy resin used in coating application ; some of them are reviewed in this paper. The curing agents used for curing of epoxy resin are also discussed. The characterization of the hybrid epoxies had very much importance to research workers, the different instruments and methods used for characterization are also mentioned. Note de contenu : EPOXY RESIN COATING. HYBRIDISATION : 1. The method of curing - 2. Modification of resin - 3. Mmixture of resins - Blending - Alloying - Inter penetrating networks - Sol-gel method - Emulsion polymerization & dispersion polymerization. CURING OF HYBRID EPOXY POLYMERS : Characterization of hybrid resins. HYBRID POLYMERS OF EPOXY RESIN USED IN COATING APPLICATION : Epoxy esters - Epoxy acrylics - Epoxy silicones - Epoxy urethanes. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9382 [article]

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Magnetic paint : process and application / Parag P. Raut in PAINTINDIA, Vol. LX, N° 3 (03/2010)

[article]  inPAINTINDIA > Vol. LX, N° 3 (03/2010) . - p. 71-76 Titre : Magnetic paint : process and application Type de document : texte imprimé Auteurs : Parag P. Raut, Auteur Année de publication : 2010 Article en page(s) : p. 71-76 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Peinture magnétique Revêtement mural:Peinture murale Revêtements décoratifs:Peinture décorative Index. décimale : 667.6 Peintures Résumé : Magnetic paint is a ferrous based decorative paint which comprises of a magnetic powder, a dispersant, lubricant, binder, cross linking agent and an organic solvent. It turns wall into magnet so that the decorative articles can be stuck onto the wall with the help of the magnetism in the coating on the all. It is an environmentally friendly paint which can be used for children's room. Magnetic paint is safe for children, pets and computers and does not affect pacemakers or other magnetically sensitive instruments. All magnetic paints require at least two coats to hold sheet and rare earth magnets. It is mainly used for decorative purpose. This paper reviews the preparation and application of magnetic paint for decorative purpose. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9388 [article]

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LoVOCoat - The cost effective solution to green low VOC solvent borne alkyds without compromise on performance / Paul Cameron in PAINTINDIA, Vol. LX, N° 3 (03/2010)

[article]  inPAINTINDIA > Vol. LX, N° 3 (03/2010) . - p. 93-97 Titre : LoVOCoat - The cost effective solution to green low VOC solvent borne alkyds without compromise on performance Type de document : texte imprimé Auteurs : Paul Cameron, Auteur ; Jo Grade, Auteur Année de publication : 2010 Article en page(s) : p. 93-97 Langues : Anglais (eng) Catégories : Polyalkydes Réduction des composés organiques volatils Revêtements:Peinture Index. décimale : 667.9 Revêtements et enduits Résumé : A significant part of indiat coatings market is based on conventional solvent borne alkyd resins. These systems are coming under ever-increasing cost pressure and are facing competitive pressures from low VOC or environmentally friendly water based coating technologies. Note de contenu : LoVOCoat products, formulation and stability / Rheology / Drying time and dry film properties / Benefits of loVOCoat W/O technology. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9389 [article]

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Nanotechnology & coatings Q & A / Vinayak M. Natu in PAINTINDIA, Vol. LX, N° 3 (03/2010)

[article]  inPAINTINDIA > Vol. LX, N° 3 (03/2010) . - p. 103-110 Titre : Nanotechnology & coatings Q & A Type de document : texte imprimé Auteurs : Vinayak M. Natu, Auteur Année de publication : 2010 Article en page(s) : p. 103-110 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Diffusion aux petits angles Fullerènes Nanotechnologie Neutrons -- Diffusion Index. décimale : 620.5 Nanotechnologies Résumé : - What are 'fullerenes' ? What are the applicaqions of fullrenes ? - What is the concept and the instrumentation involved in 'Small Angle Neutron Scattering (SANS) ? Whit is the output and application of SANS ? Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9390 [article]

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Photodegradation of polymers, relevance for coating chemist / Gurpreet Onkar Singh in PAINTINDIA, Vol. LX, N° 3 (03/2010)

[article]  inPAINTINDIA > Vol. LX, N° 3 (03/2010) . - p. 111-124 Titre : Photodegradation of polymers, relevance for coating chemist Type de document : texte imprimé Auteurs : Gurpreet Onkar Singh, Auteur ; V. C. Malshe, Auteur Année de publication : 2010 Article en page(s) : p. 111-124 Langues : Anglais (eng) Catégories : Matières plastiques -- Détérioration Oxydation Photodétérioration Polymères -- Détérioration Radicaux libres (chimie) Index. décimale : 667.9 Revêtements et enduits Résumé : The ageing of plastics, polymers and resins leads to several possibilities. Several oxidation products are formed. Free radicals, produced by formation of peroxides, lead to depolymerization, crosslinking, chain termination to polymer leading to chain branching and reversal to monomers in specific cases. Completely new small molecules those were not present at the time of polymerization are formed contributing to volatile organics over the useful life of the product and beyond it. When wa have a look at the literature on the subject of photodegradation of polymers, the polymer chemist dealing with bulk polymers seem to have worried about it far more than the paint and coatings chemist. The reasons are mainly environmental. The used plastic products are posing a great threat to the environment and efforts have been made to delibarately accelerate the process of photodegradation of polymers in ordinary sunlight. A paint and coating chemist can learn a lot from these developments, particularly "what not to do" to enhance the life of his products. Transition metals are regularly used to achieve various objectives by paint and coating chemist. There is a completely new dimension of their involvement in the degradation of polymers by photodegradation mechanism. This review is aimed at the spreading the information to the paints and coatings technologists. There is an increasing concern by government, NGOs and EU institutions about huge problems posed by letter and waste. Plastic products are significant contributors to these problems. The various additives, structural changes produced by oxidation assisted by light have been reviewed. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9391 [article]

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