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Silicones to the rescue / David M. Brassard in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 19, N° 11 (11/2012)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 19, N° 11 (11/2012) . - p. 15 Titre : Silicones to the rescue : A means to quickly seal charged air coolers was needed to get the trucking industry back on the road Type de document : texte imprimé Auteurs : David M. Brassard, Auteur Année de publication : 2012 Article en page(s) : p. 15 Langues : Américain (ame) Catégories : Joints d'étanchéité Silicones Les silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki). Transport -- Matériaux Index. décimale : 668.3 Adhésifs et produits semblables Résumé : In 2001, the trucking industry experienced some major problems when increased pollution controls raised under-hood temperatures and caused failures in big rigs, specifically in the tractor-trailers’ turbocharger systems. Without the extra boost from the turbochargers, these trucks had little power and were breaking down on roadsides all across the U.S. The culprit turned out to be the charged air coolers (CAGs). Much like car radiators, CAGs are used to cool the turbo units. The CAG base has soldered fins that look and function exactly like automobile radiators, and these were leaking from micro-holes that were caused by displaced solder. A means to quickly seal the CAGs was immediately needed to get the trucks back on the road. Because CAGs are constructed from a magnesium aluminum alloy with a zinc-rich surface coating, they presented a difficult substrate for bonding. The zinc easily flaked off and acted like a release agent, hindering any potential sealer. En ligne : http://www.adhesivesmag.com/articles/91453-case-study-silicones-to-the-rescue Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18328 [article]

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VOC testing methods / Marylin Black in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 19, N° 11 (11/2012)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 19, N° 11 (11/2012) . - p. 18-21 Titre : VOC testing methods : Understanding VOC content vs. emissions is the first step in ensuring product safety Type de document : texte imprimé Auteurs : Marylin Black, Auteur Année de publication : 2012 Article en page(s) : p. 18-21 Langues : Américain (ame) Catégories : Colles:Adhésifs Construction -- Matériaux Produits d'étanchéité Réduction des composés organiques volatils Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Amid a dizzying array of product performance requirements, standards, regulations, and engineering and cost limitations, manufacturers of adhesives and sealants for interiors must dedicate themselves to formulating high-performance products that are both safe and acceptable to demanding markets. In recent years, volatile organic compound (VOC) emissions have gained increased attention as consumers and green building professionals seek to ensure safe and healthy indoor environments. Green building programs, construction codes, and government regulations in countries around the world are increasingly demanding low-emitting building products, furnishings, and wet products such as adhesives and sealants. Many of these requirements are new and still evolving, saddling manufacturers with the challenge of keeping track of yet another criterion that must be considered in product formulation, QA testing, and go-to-market strategy. Limiting VOC emissions is a critical aspect of ensuring that environments are acceptable for human occupants. Demand for low-emitting products is continually on the rise. Adhesive and sealant manufacturers have an opportunity to incorporate VOC emissions criteria into their products as a way to ensure their safety and acceptability for indoor environments, as well as a way to differentiate themselves and reach growing green markets. The starting point is for manufacturers to understand VOC emissions, how emissions differ from VOC content, and what is involved in testing for each. Note de contenu : - CONTENT VS. EMISSION - A CASE STUDY - Table 1 : Paint results summary : VOC content and VOC emissions at 14 days - MARKET DEMANDS - HELPFUL TIPS : Conduct benchmark testing - Source odor problems - Educate buyers and users - Promote low-emitting products - AWARENESS IS KEY En ligne : http://www.adhesivesmag.com/articles/91455-voc-testing-methods Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18329 [article]

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Putting dashboard systems to work / Stephen Ashkin in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 19, N° 11 (11/2012)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 19, N° 11 (11/2012) . - p. 22-23 Titre : Putting dashboard systems to work : Dashboard systems make it much simpler for employees at every level to become more proactive Type de document : texte imprimé Auteurs : Stephen Ashkin, Auteur Année de publication : 2012 Article en page(s) : p. 22-23 Langues : Américain (ame) Catégories : Coût -- Contrôle Déchets -- Réduction Développement durable Economies d'énergie Équipement industriel -- Entretien et réparations Recyclage (déchets, etc.) Tableaux de bord (gestion) Index. décimale : 650 Gestion de l'entreprise et services annexes : classer ici les affaires En ligne : http://www.adhesivesmag.com/articles/91456-putting-dashboard-systems-to-work Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18330 [article]

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Composite assembly solutions / Murray Akerman in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 19, N° 11 (11/2012)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 19, N° 11 (11/2012) . - p. 26-27 Titre : Composite assembly solutions : Polyester-based bonding compounds offer unique advantages in certain requirements Type de document : texte imprimé Auteurs : Murray Akerman, Auteur Année de publication : 2012 Article en page(s) : p. 26-27 Langues : Américain (ame) Catégories : Assemblages collés Composites Polyesters Index. décimale : 668.3 Adhésifs et produits semblables Résumé : For as long as polyester chemistry has been used to produce composite parts, manufacturers have needed various paste consistency resin products to work in conjunction with the laminating process. These paste materials are often used for wet-on-wet and post-assembly requirements. Paste materials take advantage of similar chemistries to co-cure and have been tailored for consistency, cure rate, hardness, and a host of features focused on meeting specific performance needs. En ligne : http://www.adhesivesmag.com/articles/91458-composite-assembly-solutions Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18331 [article]

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Composite repair / Maureen McHale in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 19, N° 11 (11/2012)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 19, N° 11 (11/2012) . - p. 28-29 Titre : Composite repair : Performing minors repairs when a defect or damage is first spotted can prevent major damage or even avoid complete composite failure Type de document : texte imprimé Auteurs : Maureen McHale, Auteur Année de publication : 2012 Article en page(s) : p. 28-29 Langues : Américain (ame) Catégories : Automobiles -- Matériaux Avions -- Matériaux Bateaux -- Matériaux Composites Constructions Entretien et réparations Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Many advances have been made in composite technology over the last few decades. Today, composites are used in industries ranging from aerospace to consumer electronics, domestic appliances and industrial machining, construction and automotive, and marine and sports equipment. Composites, by definition, are an engineered or naturally occurring combination of two or more materials with notably different physical or chemical properties that retain their own identity, in that they are still distinguishable, and not fully blended after they are bonded or cured. These combinations produce a new material that features its own unique and superior characteristics. Man has been making composites for centuries. One of the earliest noted man-made composite materials included straw and mud combined to form bricks for building construction. Composite materials take advantage of the strengths and abilities of different materials. In the example of straw and mud bricks, the mud is an outstanding binding material, but on its own, it will not stand up to compression and force very well. Straw, on the other hand, can withstand compression without crumbling or breaking. The combination of the two becomes an ideal composite solution for building construction. Note de contenu : - Adhesives bring composites together - Types of composite failures - Nondestructive inspections - To repair or not to repair - Repairing composite failures En ligne : http://www.adhesivesmag.com/articles/91460-composite-repair Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18332 [article]

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Adhesives & Sealants Industry - Vol. 19, N° 11 - 11/2012 URL