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Lightweight construction of a multipurpose vehicle cabin / Simon Stahl in ADHESION - ADHESIVES + SEALANTS, Vol. 14, N° 4/2017 (2017)

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 14, N° 4/2017 (2017) . - p. 10-13 Titre : Lightweight construction of a multipurpose vehicle cabin Type de document : texte imprimé Auteurs : Simon Stahl, Auteur ; Gerd-Rolf Dietz, Auteur ; Stefan Bischof, Auteur ; Daniel Rothfuß, Auteur ; Raoul Abas, Auteur Année de publication : 2017 Article en page(s) : p. 10-13 Langues : Multilingue (mul) Catégories : Assemblages collés Collage structural Matériaux -- Allègement Résistance des matériaux Véhicules utilitaires -- Habitacles Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The structural bonding technology has proved itself as a real alternative to welding in the body shell stage. Walter Mauser GmbH and Henkel demonstrate in a common project, that a cabin frame, mainly joined by an adhesive, can withstand extreme loads in combination with a significant reduction of mass. Note de contenu : - Challenge : Reducing the cabin weight without compromising safety - Introducing structural bonding - Changes of the cabin frame - Building up of the cabin structure - Prediction of load cases - Comparision of real life test and simulation results - Fig. 1 : CAD model of the cabin frame - Fig. 2 : Redesigned areas of the CAD model - Fig. 3 : Cleaning of the flanges - Fig. 4 : Teroson EP 5089 application by a heated hand-gun - Fig. 5 : Load case 1 of ROPS test - Table 1 : Load cases of the ROPS test - Table 2 : Comparison of test and simulation results Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29661 [article]

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Climate protection via bio-based polyurethane dispersions with heat activation / Daniel Maga in ADHESION - ADHESIVES + SEALANTS, Vol. 14, N° 4/2017 (2017)

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 14, N° 4/2017 (2017) . - p. 14-19 Titre : Climate protection via bio-based polyurethane dispersions with heat activation Type de document : texte imprimé Auteurs : Daniel Maga, Auteur ; Martin Melchiors, Auteur ; Hartmut Henneken, Auteur ; Dieter Guse, Auteur ; Andreas Taden, Auteur ; Nils Thonemann, Auteur Année de publication : 2017 Article en page(s) : p. 14-19 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Adhésifs -- Propriétés thermiques Adhésifs biologiques Adhésifs en phase aqueuse Biopolymères Polymères -- Synthèse Polyuréthanes Index. décimale : 668.3 Adhésifs et produits semblables Résumé : In order to meet the increasing demand for bio-based adhesives, renewable resources offer a new material basis, e.g. for adhesives with thermal activation properties. Within the project "Bio-based adhesives with heat activation" funded by the BMEL, Federal ministry of Food and Agriculture / FNR, Agency for Renewable Resources, an ecological assessment of bio-based heat-activated adhesives for applications in the automotive, furniture and footwear industries, was carried out for the first time. Note de contenu : - Polyurethane dispersion adhesives with heat activation - Trend towards bio-based alternatives - Synthesis and characteristics of adhesive polymers - Adhesives on the basis of bio-based polyurethane dispersions - Environmental benefits of bio-based polyurethane dispersions - FIGURES : 1. Building blocks of polyurethanne dispersions for production of adhesive formulations with thermal activation - 2. Crystallization behavior of semi-crystalline polyester polyols - 3. Thermal behavior of bio-based polyurethane dispersions and standard polyurethane disprsions (temperature increase of 2 kelvin/min) - 4. Surface tackiness of different bio-based polyurethand dispersions and two petrochemical polyurethane dispersions with different surface temperatures - TABLES : Raw materials of bio-based polyurethane dispersions and their carobn footprint - 5. Carbon content distribution between biogenic and fossil sources - 6. Portfolio matrix for the content of biogenic carbon and reduction of carbon footprint - Contribution analysis of the carobn footprint for bio-based and standard polyurethane dispersions Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29662 [article]

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Bonding Together - Humans and robots in perfect partnership / Kroehling, Ulrike in ADHESION - ADHESIVES + SEALANTS, Vol. 14, N° 4/2017 (2017)

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 14, N° 4/2017 (2017) . - p. 20-21 Titre : Bonding Together - Humans and robots in perfect partnership Type de document : texte imprimé Auteurs : Kroehling, Ulrike, Auteur Année de publication : 2017 Article en page(s) : p. 20-21 Langues : Multilingue (mul) Catégories : Adhésifs -- Applications industrielles Collage Collage -- Appareils et matériels Robots industriels Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Until now, collaboration between workers and robots has been severely restricted by the need to have protective fences. ew sensitive lightweight robots now enable them to work side by side. This opens up new opportunities for adhesive bonding applications. Note de contenu : - Gluing the roof fin - Gluing the fuel tank into the body - HRC solutions as a future market - FIGURES : 1. To glue the roof fin, the worker manually places it into the gripper of the LBR iiwa, which holds it pneumatically and guides it to the adhesive nozzle on the application tower - 2. Roof fin with a glue ead precisely applied by the LBR iiwa - 3. The worker guides the cleaned tank to a turnableK. On the right, we can see the LBR iiwa lightweight robot with its application nozzle in a barrier fluid - 4. Once the tank has been moved into an upright position, the adhesive is applied Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29663 [article]

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Inline surface activation in the injection molding process for high adhesive strength / Elmar Moritzer in ADHESION - ADHESIVES + SEALANTS, Vol. 14, N° 4/2017 (2017)

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 14, N° 4/2017 (2017) . - p. 22-26 Titre : Inline surface activation in the injection molding process for high adhesive strength Type de document : texte imprimé Auteurs : Elmar Moritzer, Auteur ; Timo Nordmeyer, Auteur ; Matthias Häußler, Auteur Année de publication : 2017 Article en page(s) : p. 22-26 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Adhésifs -- Moulage par injection Assemblages collés -- Propriétés mécaniques Colles bi-composante:Adhésifs bi-composant Epoxydes Essais d'adhésion Mouillage (chimie des surfaces) Polymères -- Surfaces Polypropylène Résistance au cisaillement Surfaces -- Analyse Technique des plasmas Traîtements de surface Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Surface activation using plasma is a commonly used technique, but it does involve an additional step in the process chain. With the Direct Injection Plasma (DIP) process, the plasma treatment is integrated into the injection molding process. Note de contenu : - Infobox Development of the DIP injection molding tool - Test setup - Wetting and surface-chemical analysis - Examination of the bond strength - FIGURES : 1. DIP injection molding cycle (schematic representation) - 2. Measuring points along the DIP-treated section - 3. Testing the lap shear strength with alternative specimen geometry - 4. Surface energy of DIP-treated PP substrates - 5. C1s spectrum of a DIP-coated PP surface - 6. Comparison of the surface energy with the nitrogen/oxygen atom concentrations as a function of the treatment distance for a PP activated for 10s - 7. Lap shear strength of the DIP-treated PP-bonded joints - 8. Stress-strain diagram and fracture pattern of the examinated bonded joints - 9. Lap shear strength after a treatment time of a 10 and 20s for 2-component epoxy bonded joints of PP and PP G30 Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29664 [article]

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