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An investigation of the effect of pigment on the degradation of a naturally weathered polyester coating / W. R. Zhang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 8, N° 3 (05/2011)
[article]
Titre : An investigation of the effect of pigment on the degradation of a naturally weathered polyester coating Type de document : texte imprimé Auteurs : W. R. Zhang, Auteur ; S. J. Hinder, Auteur ; R. Smith, Auteur ; C. Lowe, Auteur ; J. F. Watts, Auteur Année de publication : 2011 Article en page(s) : p. 329-342 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Coil coatings
MélamineLa mélamine, de nom chimique 1,3,5-triazine-2,4,6-triamine, est parfois dénommée cyanuramide ou cyanurotriamine. Sa formule brute est C3H6N6.
Les "résines mélamine-formaldéhyde" ou "mélamine-formol" (sigle MF) sont appelées "mélamine" dans le langage courant. Elles font partie de la famille des aminoplastes qui regroupe des résines thermodurcissables aminées, issues d'un comonomère tel l'urée ou la mélamine, parfois le thiocarbamide, le cyanamide hydrogène ou le dicyandiamide ; le second comonomère étant le formaldéhyde.
Pigments organiques
Polyesters
Revêtements
Revêtements -- DétériorationIndex. décimale : 667.9 Revêtements et enduits Résumé : A series of coil coatings based on a polyester/melamine resin formulation, incorporating different pigment systems, were naturally weathered after being exposed to the elements in Hainan, PRC, for 2 years. The surface chemistry and morphology, before and after weathering, was investigated using both traditional (i.e., gloss retention, color change) and novel (i.e., X-ray photoelectron spectroscopy [XPS], atomic force microscopy [AFM], and scanning electron microscopy [SEM]) methods. Chemical changes occurring in the coating bulk were investigated using step-scan photoacoustic Fourier transform infrared spectroscopy (SSPA-FTIR). It was found that the coating surface morphology, surface chemistry, and bulk chemistry, both before and after weathering, were all affected by the type and concentration of the pigments included in the coating formulation. Moreover, it was found that different types of pigment catalyze different coating degradation mechanisms. Note de contenu : - EXPERIMENTAL : Materials and sample preparation - Weathering of coil coatings - X-ray photoelectron spectroscopy - Photoacoustic (PA) FTIR - Atomic force microscopy - Scanning electron microscopy - Gloss retention and color measurements
- RESULTS AND DISCUSSION : Surface chemistry characterization - Bulk chemistry characterization.DOI : 10.1007/s11998-010-9305-y En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-010-9305-y.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11673
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 8, N° 3 (05/2011) . - p. 329-342[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 012971 - Périodique Bibliothèque principale Documentaires Disponible High performance acrylic polymer technology for use in leather finishing processes / J. Hoefler in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 8 (08/2013)
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Titre : High performance acrylic polymer technology for use in leather finishing processes Type de document : texte imprimé Auteurs : J. Hoefler, Auteur ; B. Hageman, Auteur ; C. J. Chung, Auteur ; R. Smith, Auteur Année de publication : 2013 Article en page(s) : p. 311-317 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Cuir d'ameublement
Cuir dans les automobiles
Cuirs et peaux -- Finition
Cuirs et peaux -- Propriétés mécaniques
Frottements (mécanique)
Liants
Polyacryliques
Résistance à la salissure
Sellerie
Usure (mécanique)Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : High performance topcoats designed for automotive and furniture upholstery are generally rich in polyurethane dispersion (PUD)-based binders. This binder technology has been used commercially for years because it offers a distinct combination of high abrasion resistance, flexibility, and tactile performance benefits. However, recent market trends place higher emphasis on performance properties that are challenging for these traditional finishing systems to achieve. Such properties include: dirt pick-up and dye transfer resistance, cleanability after soiling, as well as UV, hydrolytic, and thermal stability. Topcoats featuring acrylic-based binders are increasingly competitive due to intrinsic soiling resistance and stability properties; however, replacing more than approximately 25% of the polyurethane-based resin with acrylic-based resin can result in a noticeable loss in abrasion resistance or toughness. The Dow Chemical Company has developed a novel acrylic binder technology designed to offer many of the same advantages of PUD binders, such as toughness, while retaining the enhanced soiling resistance and stability needed to address the stringent demands of today’s market. This paper describes the performance properties attributed to this new binder technology through a systematic validation process. Note de contenu : - EXPERIMENTAL : Performance topcoat - Anti-soiling topcoat - Summary of the new acrylic technology for the performance topcoat
- MATERIALS AND METHODS : Finish and formulations - Process sequence - Tack - Gloss - Bally flexibility - Rub fastness - Wear support - Flexibility - Anti-soiling - ColorEn ligne : https://drive.google.com/file/d/1H3KmRI16eiDGiqluClAnYvY2vIScr2Dp/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19180
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Code-barres Cote Support Localisation Section Disponibilité 15390 - Périodique Bibliothèque principale Documentaires Disponible Washing away the "Bad hair day" with silicone solutions / C. Fournier in SOFW JOURNAL, Vol. 143, N° 12 (12/2017)
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Titre : Washing away the "Bad hair day" with silicone solutions Type de document : texte imprimé Auteurs : C. Fournier, Auteur ; B. Johnson, Auteur ; R. Smith, Auteur Année de publication : 2017 Article en page(s) : p. 18-22 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cheveux -- Soins et hygiène
Conditionneurs (cosmétique)
Essais de résilience
Essais dynamiques
Hydrophobie
shampooings
Silicones -- Emploi en cosmétologieIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Hair is exposed to many damaging processes, including: repeated washing, combin and heat styling; bleaching and coloring; air pollution and the sun's UV rays. These factors can lead to hair that is: more difficult to manage and comb; susceptible to breaking easily; dull and rough in appearance; more water absorbent and porous; and more prone to color fading. Consumers are increasingly demanding product solutions that provide long-lasting protection from hair damage. To determine how silicone solutions can help formulators and brand owners meet this growing demand, Dow recently conducted a variety of tests to measure the ability of silicones to durably restore hair's hydrophobic state and protect against breakage. Note de contenu : - CONSUMER PERCEPTION AND NEEDS
- SILICONE TECHNOLOGIES
- RESTORATION OF HAIR'S HYDROPHOBIC STATE : Water absorption test - Hair sink test - contact angle test
- LONG-LASTING HYDROPHOBICITY AND CONDITIONING : Wet and dry combing test
- PROTECTION FROM HAIR BREAKAGE : Repeated combing test
- SILICONE DISTRIBUTION AND QUANTIFICATION : Silicone map distribution test
- HAIR CARE SILICONE SOLUTIONS : 1. Daily rescue shampoo - 2. 3-in-1 therapy conditioner - 3. First aid booster - 4. Quick-fix, protect sprayEn ligne : https://drive.google.com/file/d/191kWrxGxdvmjFpRZ8Dzj5w7WGxTfvjoi/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29694
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Code-barres Cote Support Localisation Section Disponibilité 19435 - Périodique Bibliothèque principale Documentaires Disponible