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Mention de date : 07/2002
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Polymers - Its use in water based coatings / Paresh S. Naik in PAINTINDIA, Vol. LII, N° 7 (07/2002)
[article]
Titre : Polymers - Its use in water based coatings Type de document : texte imprimé Auteurs : Paresh S. Naik, Auteur Année de publication : 2002 Article en page(s) : p. 33-38 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Newcomers certainly, but even those who are in this field, are still mystified by the essentials of polymer. Though it will take more than a brief attempt to unravel its complexities, a few definitions and concepts regarding polymer, polymerization and its trends in water based coatings are outlined here, in this article. Note de contenu : - Aqueous polymers dispersion
- Water soluble polymers
- Film formation from aqueous polymer dispersions
Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12374
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 33-38[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible Proteins - innovative bas materials for adhesives and coatings / Ralf Quack in PAINTINDIA, Vol. LII, N° 7 (07/2002)
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Titre : Proteins - innovative bas materials for adhesives and coatings Type de document : texte imprimé Auteurs : Ralf Quack, Auteur Année de publication : 2002 Article en page(s) : p. 39-44 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Proteins exhibit a considerable innovative potential when used as based polymers in formulating adhesives, binders and coatings. The interest in using proteins in these areas has risen fundalentally, especiallyat present. this development is due to various reasons. Protein isolates can be purchased at the world market for prices that are comparable to the prices of synthetic polymers. in particular the residues of processing and extraction occuring in the procduction of plant oils from various oil seeds as soy, rapesseed, sunflower and cottonseed are a source of high-grade protein isolates. Protein isolates from cereals as wheat, corn or rice are available in high amount. Likewise, protein isolates can be produced from legumes such as lupinus and peas.
The structure of a protein, i.e its primary, secondary and tertiary structure, causes the technological properties of a protein and ths defines its potential for technical application. By chemical application e.g by alkylation, acetylation, phosphorisation, estericfication, oxidation or reduction the technological properties of the protein can be vary manifold. The enzymatic modifications of proteins by preteases that selectively cleave the peptide bonds within the amino acid sequence give products with adaptated rheological properties. Besides chemical and enzymatic pmodifications combined physical and chemical methods lead to a significant alteration of protein properties. Denaturising agents such as urea, sodium dodecylesulfate or guanidine-hydrochloride give rise to the unfolding significantly improves the adhesive properties of proteins.
Biotechnological processes combined with the methods of genetics engineering create possibilities for almost tailormade proteins that can be used in technological applications, e.g in adhesives and coatings. Protein sequences and the genes that encode these sequences have been patented within the context of marine adhesives.Note de contenu : - INTRODUCTION : Protein adhesives - Chemical modification,
- GRAFTING
- PHYSICAL AND CHIMICAL MODIFICATIONS
- ENZYMATIC MODIFICATIONS
- MARINE ADHESIVES
- WHEAT PROTEINS
- RAPESEED PROTEINS
- CASEINSPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12376
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 39-44[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible Rheology and its influence on the performance of thermosetting powder coatings / Krishnendu Ghosh in PAINTINDIA, Vol. LII, N° 7 (07/2002)
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Titre : Rheology and its influence on the performance of thermosetting powder coatings Type de document : texte imprimé Auteurs : Krishnendu Ghosh, Auteur Année de publication : 2002 Article en page(s) : p. 45-58 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Rheology is the science offlow and deformation of matters. The knowledge ofrheology and its dependent parameters is very crucial in understanding of the performance of powder which is a key factor in the design of a powders with desired properties. Rheology of thermosetting powder coatings has a strong influence on the film formation and thereby on the properties of the cured film. The rheology of thermosetting powder coatings depends on both viscosity and surface tension during the curing process. The rheology of thermosetting powder coatings differs much from that of a liquid paint. In this article these differences have been discussed. Besides surface tension and viscosity the effect of pigment dispersion, pigment concentration, film thickness, cluster formation, air bubble entrapping and particle size on the film formation of the thermosetting powder coatings has also been elaborated. The author of this paper has also described the effect of additives on flow promotion and the use of curing agents, their on flow and other properties. Note de contenu : - DIFFERENCE IN THE RHEOLOGY OF LIQUID AND POWDER COATINGS
- MECHANISM OF FLOW POWDER COATINGS
- FACTORS AFFECTING FLOW : Surface tensions and interfacial tensions - Viscosity - Pigment dipersion and PVC - Particle size
- CLUSTER FORMATION
- ENTRAPPED AIR OR VAPOUR
- FLOW PROMOTING ADDIVIVES : Curing agentsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12377
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 45-58[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible FT-NIR spectroscopy in the ink and paint industry / Eszter Trenka in PAINTINDIA, Vol. LII, N° 7 (07/2002)
[article]
Titre : FT-NIR spectroscopy in the ink and paint industry Type de document : texte imprimé Auteurs : Eszter Trenka, Auteur ; Joachim Oelichmann, Auteur Année de publication : 2002 Article en page(s) : p. 59-62 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Colour is one of the most demonstrative features of all kinds of goods. In most cases organic colored pigments are used to achieve the desired appearance. However pigments influence much more properties than just the colour, therefore the definition and maintenance of quality standards of the intermediates and raw materials used in pigment synthesis and paint production is crucial. The chemicals used range from organic fine chemicals for synthesis to products of inorganic basic chemistry and to special surface active agents, surfactants and resins.
These requirements lead to an increasing demand for quality control in the whole branch of industry. According to the extensive norms (ISO, TQM) the tests should include the various stages of production from raw material to end product. The necessity of many measurements cause increasing costs. Therefore a fast, precise, simple and cost saving analytical technique is needed.
Today quality control by NIR spectroscopy is an integral part of the process during the production of inks and paints. It is efficient and motivating for the employee in the production to control various chemical and physical parameters by himself and to introduce necessary corrections. The aim of the tests is to maintain the quality of the end products.
Not only the producer of inks and paints but also the producer of the raw materials need to perform quality tests, which are not only restricted to simple physical parameters. Legal requirements and specifications of his customers must be fulfilled.Note de contenu : - NEAR-INFRARED SPECTROSCOPY
- CONTROLLING OF RAW MATERIALS
- PRODUCTION AND END PRODUCTION CONTRIOL
- FT-NIR SYSTEM
- IDENTITY CONTROL OF INCOMING RAW MATERIALS
- QUALITY CONTROL OF RESINES
- DETERMINATION OF NCO CONTENT
- ANALYSIS OF PIGMENT
Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12378
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 59-62[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible Health, safety, environmental issues related to paint industry / K. N. Aras in PAINTINDIA, Vol. LII, N° 7 (07/2002)
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Titre : Health, safety, environmental issues related to paint industry Type de document : texte imprimé Auteurs : K. N. Aras, Auteur Année de publication : 2002 Article en page(s) : p. 63-68 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : Beginning with this issue we are publishing a series on HSE - Health Safety and Environmental issues - related to the paint industry. This series will be conducted by Mr. K.N. Aras, an expert in this field. Mr. Aras after completing his M.Sc (UDCT), continued further on a C.S.I.R. scheme in U.D. C. T. and worked on polymer synthesis. He joined Hempel's research division, Bombay Paints Ltd., as senior research officer in the year 1970. He worked in different departments, e.g., raw materials, resin developments, paint formulations, testings etc. and looked after research and development as well as technical services of Hempel's Marine and Protective Coatings Division till 1994. In the year 1995 he joined International Paints (Akzo Nobel) and worked as technical manager, marine and protective coatings, till 2000 and further as a technical consultant till 2001. Presently, he is a Technical Consultant to Sigma Marine and Protective Coatings of the Atofina Group. Note de contenu : HAZARDOUS COMPOUNDS : Lead based compounds - Chromate based compounds - Amine curing agents - Organotin based compounds and polymer
LEGISLATION FOR CHEMICAL INDUSTRY : Dangerous operations - Hazardous chemicals - The hazardous wastes rules 1989 (amended in 2000) - Environment (protection act 1986) - Transportation : (Central motor vehicles rules 1989)Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12379
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Quinacridone colorants in printing inks Type de document : texte imprimé Auteurs : N. Sekar, Auteur Année de publication : 2002 Article en page(s) : p. 69-70 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - CI PIGMENT RED 122
- CI PIGMENT RED 202
- CI PIGMENT RED 209
- CI PIGMENT VIOLET 19
- SYNTHESIS OF QUINACRIDONE PIGMENTS : Thermal ring closure - Acidic ring closure - Dihalo terephtalic acid processPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12380
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 69-70[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Additives in printing inks : A primer-I Type de document : texte imprimé Auteurs : M. A. Zafar, Auteur Année de publication : 2002 Article en page(s) : p. 71-72 Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Note de contenu : - Dispersing agent/wetting agent - use for dispersion of inks
- Defoamers
- Antioxidant agent and anti skinning agent
- The anti skinning agent for oxidising oil based coating
- Rub resistance agent : use for rub and slip purpose in inksPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=12381
in PAINTINDIA > Vol. LII, N° 7 (07/2002) . - p. 71-72[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001283 - Périodique Bibliothèque principale Documentaires Disponible
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Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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001283 | - | Périodique | Bibliothèque principale | Documentaires | Disponible |