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ADHESIVES & SEALANTS INDUSTRY (ASI) . Vol. 26, N° 4Philadelphia hosts ASC spring convention and expoMention de date : 04/2019 Paru le : 23/04/2019 |
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Ajouter le résultat dans votre panierAdhesives and sealants mixing basics in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 26, N° 4 (04/2019)
[article]
Titre : Adhesives and sealants mixing basics : A variety of blades—each suitable to different applications—are available for double-arm mixers Type de document : texte imprimé Année de publication : 2019 Langues : Américain (ame) Catégories : Colles:Adhésifs
Malaxeurs et mélangeurs
Produits d'étanchéitéIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Double-arm mixers are used to knead and homogenize a variety of products into a single mix. The variety of double-arm mixers and mixer blade types makes the equipment suitable for a range of needs and applications. Understanding the different double-arm mixers available and what they offer is important for any company seeking to change its material processing methods. Note de contenu : - Uses
- How they work
- Blade types : Sigma blade - Masticator blade - Dispersion blade - Naben blade
- Materials and design
- Fig. 1 : Final assembly testing
- Fig. 2 : Bottom dump discharge
- Fig. 3 : Tilt discharge
- Fig. 4 : Independent blade drivesEn ligne : https://www.adhesivesmag.com/articles/96863-adhesives-and-sealants-mixing-basics Format de la ressource électronique : Html Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32458
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Titre : On a roll with coil coating : OEMs that make parts or products from flat-rolled steel, aluminum and other metals are outsourcing to experienced coil coaters Type de document : texte imprimé Année de publication : 2019 Langues : Américain (ame) Catégories : Coil coatings
Colles:Adhésifs
StratifiésIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : For original equipment manufacturers (OEMs) that apply laminate films to metal parts or apply coatings as decorative finishes, the in-house manufacturing process requires a significant investment in equipment, plant floor space and ongoing maintenance for what can be a very temperamental process. In addition, failure to precisely control the process can lead to laminates that do not bond properly or wrinkle, leading to excessively high scrap rates and even product returns.
For this reason, OEMs are increasingly outsourcing the application of laminate films to experienced coil coaters that can provide alternatives, including : steel, aluminum or other metals in coil or sheet form with pre-applied (dry) adhesive; or fully laminated product that eliminates in-house processing altogether.
The result for OEMs can be significant, both in terms of speeding production and reducing operational costs. However, when paired with the fact that experienced coil coaters can produce high-quality laminated products, it becomes a win-win scenario.
"Many OEMs are not fully aware of the alternatives for outsourcing part of, or all, the lamination operation to coil coaters," explains Dan Chin, president of Universal Chemicals & Coatings (Unichem), a company that specializes in custom adhesives and coatings used in coil processing. "This is often simply because they have 'always done it the same way'—in house—but they can get a high-quality laminated product and eliminate the costs and headaches associated with the process."Note de contenu : - Laminates
- Outsourcing to coil coaters
- Adhesion challenges
- Making the switchEn ligne : https://www.adhesivesmag.com/articles/96875-on-a-roll-with-coil-coating Format de la ressource électronique : Html Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32459
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Code-barres Cote Support Localisation Section Disponibilité 20841 - Périodique Bibliothèque principale Documentaires Disponible Keeping the work atmosphere clean of volatile organic compounds / Stephen H. Klostermeyer in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 26, N° 4 (04/2019)
[article]
Titre : Keeping the work atmosphere clean of volatile organic compounds : Regenerative thermal oxidizers can be the most effective and cost-efficient way to destroy VOCs in the adhesives and sealants industry Type de document : texte imprimé Auteurs : Stephen H. Klostermeyer, Auteur Année de publication : 2019 Article en page(s) : p. 32-34 Langues : Américain (ame) Catégories : Composés organiques volatils -- Oxydation
Oxydants
Oxydation thermique
Polluants -- Détérioration
Polluants atmosphériques
Polluants organiques
Revêtements
SiliconesLes 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).Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The manufacture and application of solvent-based adhesives and coatings release significant emissions of volatile organic compounds (VOCs) into the environment. When evaporated, these VOCs react with nitrogen oxide (NOx) in the presence of sunlight to form ground level ozone; as such, they are regulated as an ozone precursor under the U.S. Environmental Protection Agency’s (EPA) criteria pollution program. In sufficient quantities, VOCs can cause adverse effects on human health, including eye, nose and throat irritations; headaches; dizziness; visual disorders; and memory impairment.
VOCs and hazardous air pollutants (HAPs) are regulated by federal, state and local regulatory agencies through guidelines established by the Clean Air Act. The EPA has developed National Emission Standards for Hazardous Air Pollutants (NESHAP) for paint manufacturing facilities and numerous coating application industries. In general, these regulations limit the amount of VOC emissions (usually quantified in tons allowed) that can be emitted. Emissions limits differ across industries and locations.
While great strides have been made by industry to reduce air pollution, including the development of water- and powder-based materials, many solvent-based coatings are necessary to improve product performance and extend product life. VOCs are typically found in the following areas in coatings manufacturing or in surface coating operations:
- Coatings application stations or booths
- Flash-off areas (low air movement)
- Curing or bake oven exhaust (a large majority of emissions are found in this step)
- Paint storage areas
- Paint mix areas
- Storage tanksNote de contenu : - Controlling emissions
- Silicone coatingsEn ligne : https://www.adhesivesmag.com/articles/96877-keeping-the-work-atmosphere-clean-of [...] Format de la ressource électronique : Html Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32460
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