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Formulating coatings for plastics / S. C. Jain in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 49-52 Titre : Formulating coatings for plastics Type de document : texte imprimé Auteurs : S. C. Jain, Auteur Année de publication : 2003 Article en page(s) : p. 49-52 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : All the plastics are high polymer materials that can be formed shaped or molded. These can be both thermoplastics as well as thermosets. Because of their inherent nature, diversity, varied chemical composition and physical properties, coatings for plastics offer a unique challenge. The plastics are painted either to enhance their functional properties or to provide decorative effects. Functionally they are coated to improve weatherability, abrasion and chemical resistance and to preserve their mechanical properties. In some cases they are coated for ergonomic reasons or to provide special effects such as low gloss coatings to reduce glare and soft feel coatings. Note de contenu : - PROPERTIES OF PLASTICS : physical and chemical characteristics - heat distortion temperature - modulus - coefficient of thermal expansion - solvent resistance - response to drying and curing of the coating - molding operation - compunding - STAGES OF PLASTICS PAINTING : pretreatment - surface activation - coating system Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12063 [article]

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Coatings for electronic industry / Rohit Raj in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 37-48 Titre : Coatings for electronic industry Type de document : texte imprimé Auteurs : Rohit Raj, Auteur Année de publication : 2003 Article en page(s) : p. 37-48 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Integrated circuits, printed circuit boards, integrated optics are the 'soul' of today's electronic industry. These highly sophisticated elements solve our innumerable problems in the field of information and communication, data storage, construction, medical services etc. But these microcomponents face severe adverse conditions like vibrations, high temperature, salt spray, humidity, chemicals and moisture. These conditions can cause corrosion, mold growth, current leakage resulting in failure of the equipment. In these adverse situations organic coatings play a major role in protecting these equipments. These coatings act as electrical insulator, electromagnetic shield and provide mechanical protection. They allow higher power, closer track spacing to prevent current leakage. Many coatings are used for decorative purposes also - for example on the exterior of consumer and professional equipments. Both transparent and pigmented coatings improve appearance of equipments but the latter ensures higher degree of secrecy by camouflaging the components and layout. Note de contenu : - APPLICATION - Selection criteria for a coating - TYPES OF COATINGS - TYPICAL EXAMPLES - IPTICAL FIBRE COATING - COATING REQUIREMENT - COATING PROCESS - OPTICAL FIBER COATING MATERIAL - OPTICAL INFORMATION STORAGE - WRITE ONCE DIGITAL OPTICAL RECORDING - ERASABLE DIGITAL OPTICAL RECORDING Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12065 [article]

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Modification of alkyd resins and their importance / A. R. C. Reddy in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 53-56 Titre : Modification of alkyd resins and their importance Type de document : texte imprimé Auteurs : A. R. C. Reddy, Auteur Année de publication : 2003 Article en page(s) : p. 53-56 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Alkyd resins represent a class of polymers that are used extensively in surface - coating formulations because of their low cost and versatility. The word alkyd was originally coined by Kienle from the component monomers - alcohol and acid and in the broad sense refers to a polyester. The term alkyd is often used in a restrictive manner to describe a fatty acid modified polyester. This differentiation between alkyds and unsaturated polyester can be justified on chemical grounds since the film forming reactions are distincly different. Ever since alkyd resins were first introduced some 35 years ago, today alkyds outrank all other synthetic coating resins used by the paint industry. The alkyd reaction is considered to be most versatile resin forming reaction known. No other resin lends itself to greater internal variation or to more useful modification by physical or chemical blending with other polymers. Polymers commonly used to modify alkyd resins are listed in table 1. Note de contenu : - ALKYD MODIFICATION WITH ROSIN - ALKYD MODIFICATION WITH PHENOLIC RESINS - MODIFICATION OF ALKYD WITH AMINO RESINS - ALKYD MODIFICATION WITH STYRENE Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12066 [article]

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Rutile production of TiO2 through sulphate route-The pros / Ahmed Yasir Vakayil in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 57-58 Titre : Rutile production of TiO2 through sulphate route-The pros Type de document : texte imprimé Auteurs : Ahmed Yasir Vakayil, Auteur Année de publication : 2003 Article en page(s) : p. 57-58 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12067 [article]

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Recent developments in lake pigments / N. Sekar in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 61-62 Titre : Recent developments in lake pigments Type de document : texte imprimé Auteurs : N. Sekar, Auteur ; Dhananjey S. Deulgaonkar, Auteur ; Rajkumar N. Rajule, Auteur Année de publication : 2003 Article en page(s) : p. 61-62 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Developments in the synthesis of pigment lakes and their application in inks and other areas and studies in their application properties are reviewed with references. Note de contenu : - PREPARATION OF LAKES - MIXED CRYSTAL LAKES OR PIGMENT ALLOYS - PREPARATION OF SPHERICAL FINE PARTICULATE PIGMENTS WITHIN WATER IN OIL EMULSIONS AND THEIR PROPERTIES - EFFECT OF FLUORINATION ON THE PROPERTIES OF ORGANIC PIGMENTS - NON ALLERGIC LAKE PIGMENTS - OTHER DEVELOPMENTS Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12068 [article]

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Benchmarking Drilith W2 : Sheetfed offset water-washable waterless inks / Emmanuel D. Dimotakis in PAINTINDIA, Vol. LIII, N° 4 (04/2003)

[article]  inPAINTINDIA > Vol. LIII, N° 4 (04/2003) . - p. 65-68 Titre : Benchmarking Drilith W2 : Sheetfed offset water-washable waterless inks Type de document : texte imprimé Auteurs : Emmanuel D. Dimotakis, Auteur ; Michihiko Toya, Auteur ; Anthony Cieri, Auteur Année de publication : 2003 Article en page(s) : p. 65-68 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : The DriLith W2 series of inks has received significant exposure in the printing industry, spurring inquiries from waterless printers around the world. Benchmarking of DriLith W2 inks has been carried out with both medium and high-end waterless printers using different presses and stocks. It wasfound that DriLith W2 inks print with general performance characteristics (toning, set off and gloss), dot gain and trap values similar to those of solvent-based inks. Their low tack and soft body permit easier handling and use with a variety of uncoated and coated stock. In addition, less paper waste at start up, less piling and pulling were also observed during runs. Note de contenu : - RESULTS AND DISCUSSION - General performance characteristics (toning, set off and gloss) - Dot gain analysis of DriLith W2 prints - Trap analysis and improvement Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12069 [article]

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