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New solution acrylic PSAs for transfer tape applications / Eric Silverberg in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 16, N° 7 (07-08/2009)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 16, N° 7 (07-08/2009) . - p. 28-31 Titre : New solution acrylic PSAs for transfer tape applications Type de document : texte imprimé Auteurs : Eric Silverberg, Auteur Année de publication : 2009 Article en page(s) : p. 28-31 Langues : Américain (ame) Catégories : Adhésifs sensibles à la pression Polyacryliques Polymères Rhéologie Rubans adhésifs Tackifiant (adhésifs) Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The use of tackifiers in acrylic systems allows for better adhesion to low-surface-energy materials such as polyethylene and polypropylene. The covalent bond formed during crosslinking maintains strong cohesion properties despite the drop in storage modulus associated with formulation, which comes in contrast to traditional metal chelate systems. In addition to wide formulation latitude, these polymers have shown a tremendous range in glass-transition temperature (Tg), solubility parameters and functional group tolerance. This article provides an introduction to the new technology and addresses how to achieve two-part performance in a one-part package. Note de contenu : TABLE : Base polymers made and general physical properties FIGURES : 1. Aluminum Tris(acetylacetonate) and titanium dialkoxide bis(acetylacetonate) - 2. Example of hydroxyl functional PSA reacting with a Ddiisocyanate - 3. Acid and epoxy reaction - 4. Peel of a high-performance acrylic vs. base polymer A on various substrates - 5. Peel of a standard tackified grade vs. formulated polymers B and C - 6. Elevated temperature cohesive strength comparison - 7. Commercial grades vs. R&D grade on painted panels - 8. Typical rheological profile of base polymers vs. formulated adhesive - 9. Comparison of polymers D and E En ligne : http://www.adhesivesmag.com/articles/88081-new-solution-acrylic-psas-for-transfe [...] Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25902 [article]

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UV/EB laminating adhesives improve productivity and reduce cost / Edward M. Petrie in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 16, N° 7 (07-08/2009)

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 16, N° 7 (07-08/2009) . - p. 32-35 Titre : UV/EB laminating adhesives improve productivity and reduce cost Type de document : texte imprimé Auteurs : Edward M. Petrie, Auteur Année de publication : 2009 Article en page(s) : p. 32-35 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésifs -- Séchage sous rayonnement électronique Adhésifs -- Séchage sous rayonnement ultraviolet Adhésifs sensibles à la pression Colles:Adhésifs Coût -- Contrôle Formulation (Génie chimique) Photoréticulation Stratifiés Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Ultraviolet- and electron beam-cure adhesives have become popular due to both their environmental characteristics and cost effectiveness. UV and EB processes can increase productivity, reduce scrap and waste, and lower inventory. Table 1 shows the various reasons UV/EB-cure adhesives are used. This article examines the potential productivity improvements and reduced cost provided by UV/EB adhesives systems. In addition, it will detail the major markets for UV/EB adhesives. Note de contenu : - Introduction to UV/EB curing - Differences in UV and EB - Laminating applications - UV/EB adhesives - TABLES : 1. Motivations for using UV/EB curing - 2. Type of UV/EB laminating processes - 3. Typical UV-curable pressure-sensitive adhesive formulation Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25904 [article]

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Fighting fire with Sealants / Dave Smith in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 16, N° 7 (07-08/2009)  

[article]  inADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 16, N° 7 (07-08/2009) . - p. 36-38 Titre : Fighting fire with Sealants : An introduction to fireblock and firestop sealant systems Type de document : texte imprimé Auteurs : Dave Smith, Auteur Année de publication : 2009 Article en page(s) : p. 36-38 Langues : Américain (ame) Catégories : Ignifugeants Composé chimique utilisé pour réduire l'inflammabilité. Il peut être incorporé au produit durant sa fabrication ou appliqué ultérieurement à sa surface. Incendies -- Prévention Joints d'étanchéité Mastics Résistance à la flamme Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Firestop and fireblock sealants have two commonalities: they both contain the word “fire” and are both an integral part of life safety. When a fire occurs, smoke and fire can spread quickly. The amount of time it takes to spread depends on structural openings, which feed the fire with oxygen and allow it to travel from room to room and floor to floor. Firestop or fireblock sealants allow responders to rescue occupants and extinguish the fire with the least amount of damage. A structure is made up of floors, walls and ceilings. At intersections where they meet, there are voids or joints. Filling joints with a firestop or fireblock sealant will help create a “compartment.” In one-room structures, the fire will be sealed within the room - no outside air will fuel the fire and there are no joints for the fire to escape until the walls, floor, and ceiling are compromised. In the case of multiple-room structures, the goal is compartmentalization - to contain the fire in the room in which it originated for as long as possible. After the floors, walls and ceilings are constructed, pipes, wires, cables, ducts, and other components can be installed. Unfortunately, when a hole is cut it is not the exact size of the penetrating item to be installed, which results in an annular space. This space, which can give a fire momentum, must be filled. A firestop or fireblock sealant can be used to prevent the passage of flame and smoke. It can also restrict the flow of oxygen from one compartment to the next. Note de contenu : - Fireblock sealant - Installation and inspection of fireblock sealants - Firestop sealant - Firestop codes and testing En ligne : http://www.adhesivesmag.com/articles/88074-fighting-fire-with-sealants Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=25905 [article]

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Adhesives & Sealants Industry - Vol. 16, N° 7 - 07-08/2009 URL