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Adding value with systems engineering / Tim Vokes in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 7 (07/2013)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 7 (07/2013) . - p. 10-13 Titre : Adding value with systems engineering : Systems engineering can be greatly beneficial when manufacturers want to integrate structural adhesives into a particular process Type de document : texte imprimé Auteurs : Tim Vokes, Auteur Année de publication : 2013 Article en page(s) : p. 10-13 Langues : Américain (ame) Catégories : Adhésifs structuraux Assemblages collés Automobiles -- Matériaux Construction -- Matériaux Imperméabilisation Ingénierie des systèmes Joints d'étanchéité Mastics Index. décimale : 668.3 Adhésifs et produits semblables Résumé : "Added value” is not just an overused buzzword in today’s business and manufacturing environment. It can actually be the key driver in profitability when incorporating adhesives into a manufacturing process. When done right, adding adhesives to a process can provide much more value than the traditional advantages of better quality, improved aesthetics, expanded design capabilities or improved performance. Adhesives can also reduce labor and floor space requirements while improving throughput. The changeover to using adhesives as an alternative to other joining methods (e.g., mechanical fasteners, welds, rivets or tapes) can be a low-risk process—if you work with an adhesives supplier that offers a strong support system. Support can come in many forms, but one of the most functional methods is the concept of systems engineering. In broad terms, systems engineering is a study of the methods by which all system elements are designed, organized, and related to optimize a specific function based on prioritized goals and needs. A successful systems engineer will separate the functional requirements of an application from the manufacturer’s overall needs and goals, and work toward implementing a system that not only meets these functional requirements but maximizes the value to the manufacturer by keeping these pre-defined goals as the focus of the overall system design. A systems engineer’s knowledge can reduce risk, ensure the conversion to adhesives is done right the first time and address problems before they happen. They can help with equipment selection and setup, design assistance, workflow, and personnel training. Note de contenu : - THE SYSTEMS ENGINEER : Managing culture change - Risk mitigation - Added value - FOCUSED GOALS - KEY PRINCIPLES : Defining customer goals - Integrating structural adhesives - Production/utilization process - Support and evaluation - SYSTEMS ENGINEERING IN ACTION - A VALUABLE SERVICE En ligne : http://www.adhesivesmag.com/articles/92071-adding-value-with-systems-engineering Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19046 [article]

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Toughening epoxy adhesives / Jay A. Johnston in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 7 (07/2013)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 7 (07/2013) . - p. 14-17 Titre : Toughening epoxy adhesives : The addition of a polyurethane segment into the epoxy polymer improves strength and heat resistance for commercial epoxy adhesives Type de document : texte imprimé Auteurs : Jay A. Johnston, Auteur Année de publication : 2013 Article en page(s) : p. 14-17 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Colles:Adhésifs Epoxydes Matériaux hybrides Polyuréthanes Résistance chimique Résistance thermique Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Due to their different physical properties, epoxy adhesives and polyurethane adhesives are sold into different segments of the adhesives market. Epoxy adhesives are targeted for applications requiring rigidity, solvent resistance and ultra-high-temperature resistance. Polyurethane adhesives are targeted for applications requiring toughness, processing flexibility, tunable cure rates, low-temperature cure and adhesion to many different substrates. While the hybridization of epoxy and polyurethane technology is not a new concept for coating applications, the hybridization of adhesives is not as common. Commercial epoxy adhesives face several challenges that can be remedied by hybridizing these two technologies. The most important improvement to epoxies is a reduction in brittleness, which comes from the inherently high crosslink density of epoxy chemistry. Note de contenu : - Epoxy strengthening methods - Epoxy chemistry - Blocked polyurethane prepolymers - Strength development - Softening point determination - Testing modified adhesives - Performance improvements En ligne : http://www.adhesivesmag.com/articles/92072-toughening-epoxy-adhesives Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19047 [article]

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Low-volatile pure monomer resins / P. Rajesh Raja in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 7 (07/2013)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 7 (07/2013) . - p. 18-21 Titre : Low-volatile pure monomer resins : Several new low-volatile pure monomer resins with varying softening points have been developed in responst to general demand for low-VOC raw materials Type de document : texte imprimé Auteurs : P. Rajesh Raja, Auteur Année de publication : 2013 Article en page(s) : p. 18-21 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésifs sensibles à la pression Composés organiques volatils Copolymère éthylène acétate de vinyle Copolymères séquencés Formulation (Génie chimique) Rubans adhésifs Styrène -- Dérivés Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Pure monomer resins (PMRs) are produced from pure aromatic monomer streams, especially styrene and alkyl styrene derivatives. Major advantages of PMRs, compared to other aromatic crude C-9 resins, include light color (water white), excellent thermal stability, temperature resistance (similar to hydrogenated hydrocarbon resins) and controlled molecular weight.1-3 PMRs are typically manufactured using Lewis acids/Friedel-Crafts catalysis of styrenic/alkyl styrenic monomer. Pennsylvania Industrial Chemical Corp./Hercules pioneered the process in early 1960s.4-7 Since then, several PMRs have been commercialized with varying vinyl aromatic chemistries and properties (softening points, molecular weight, etc.). Using a proprietary processing technology, researchers recently developed several new PMRs that have very low residual monomer content and total volatile organic compound (VOC) content compared to traditional PMRs in the market. These new resins are based on a pure monomer resin product line that has been used for many years to modify styrenic block copolymers (SBCs), ethylene vinyl acetates (EVAs), and other polymers to balance cohesion, melt viscosity, and mechanical properties for various applications.8-15 This study is focused on evaluating the volatility characteristics of new low-volatile PMRs and their adhesive performance, especially in styrene isoprene styrene (SIS)-based pressure-sensitive adhesive (PSA) tape formulations. En ligne : http://www.adhesivesmag.com/articles/92073-low-volatile-pure-monomer-resins Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19048 [article]

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Formaldehyde and health risks in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 7 (07/2013)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 7 (07/2013) . - p. 22-23 Titre : Formaldehyde and health risks : Negative health effects caused by formaldehyde can be avoided through safe ventilation practices and detection instruments Type de document : texte imprimé Année de publication : 2013 Article en page(s) : p. 22-23 Langues : Américain (ame) Catégories : Air intérieur -- Pollution Bois -- Collage Colles:Adhésifs Construction -- Matériaux Formaldéhyde -- Toxicologie Pollution -- Mesure Produits d'étanchéité Risques pour la santé Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Formaldehyde is a chemical widely used to manufacture building materials and various household products. Formaldehyde resin is an adhesive commonly used in woodworking, especially in veneer and lamination work. It is known for open working time, rigidity and moisture resistance. Formaldehyde resins are traditionally used in the wood panel industry. Both particleboard and medium-density fiberboard (MDF) generally use urea-formaldehyde (UF) resins. Decorative plywood and veneered composites can also use resins; these interior applications are often found in paneling, cabinets or furniture. Formaldehyde resins are traditionally used in the wood panel industry. Both particleboard and medium-density fiberboard (MDF) generally use urea-formaldehyde (UF) resins. Decorative plywood and veneered composites can also use resins; these interior applications are often found in paneling, cabinets or furniture. Note de contenu : - Off-gassing conditions - Health effects - Exposure levels - Safety and detection En ligne : http://www.adhesivesmag.com/articles/92074-formaldehyde-and-health-risks Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19049 [article]

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Reducing costs with safety ventilation / Debra Hall in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 7 (07/2013)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 7 (07/2013) . - p. 24-25 Titre : Reducing costs with safety ventilation : Properly analyzing ventilation air can lead to energy and cost savings Type de document : texte imprimé Auteurs : Debra Hall, Auteur Année de publication : 2013 Article en page(s) : p. 24-25 Langues : Américain (ame) Catégories : Air -- Epuration Coût -- Contrôle Dispositifs de sécurité Economies d'énergie Produits chimiques -- Sécurité solvants Ventilation Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Energy is a significant cost of production. As energy costs rise, it becomes more difficult to pass on the increases to customers in the price of products and services. Regardless of current energy costs and trends, however, an energy-efficient process is more competitive. Note de contenu : - Necessary ventilation - Common ventilation methods - Safety and consistency En ligne : http://www.adhesivesmag.com/articles/92075-reducing-costs-with-safety-ventilatio [...] Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19050 [article]

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Adhesives & Sealants Industry - Vol. 20, N° 7 - 07/2013 URL