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ADHESION - ADHESIVES + SEALANTS . Vol. 15, N° 2/2018Characterization of odorants in adhesivesMention de date : 2018 Paru le : 21/06/2018 |
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Ajouter le résultat dans votre panierCharacterization of odorants in adhesives / Philipp Denk in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
[article]
Titre : Characterization of odorants in adhesives Type de document : texte imprimé Auteurs : Philipp Denk, Auteur ; Eva Ortner, Auteur ; Andrea Büttner, Auteur Année de publication : 2018 Article en page(s) : p. 10-13 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Caractérisation
Chromatographie en phase gazeuse
Colles:Adhésifs
Composés organiques volatils
Odeurs -- Analyse
Polyacrylates
Séparation (technologie)Index. décimale : 668.5 Parfums et cosmétiques Résumé : Adhesives generally exhibit an unpleasant odor. Little is currently known about the substances that are responsible for these odors and how they may affect the human organism. The present analyses investigated the substances that are responsible for these unpleasant odors. Note de contenu : - The challenges of odor analysis
- Identification and quantification of odorants
- Results of acrylate-based adhesives
- Fig. 1 : the separation of volatile compounds from non-volatile components is carried out of using the solvent-assisted flavor evaporation (SAFE) technique
- Fig. 2 : Two dimensional gas chromatographic separation of odor extracts using the example of (E)-non-2-enal. (A) FID chromatogram, first chromatographic system : The marked area shows the perceived odor and the associated transfer window, (B) Chromatogram after chromatographic separation in the second system : The arrow marks the transferred area with associated perceived odor quality. (C) Mass spectrum (EI, 70 eV) of (E)-non-2-enalEn ligne : https://drive.google.com/file/d/1xxchhzicilciY-8miBT_h24gVHuPBi2m/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30726
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Code-barres Cote Support Localisation Section Disponibilité 20007 - Périodique Bibliothèque principale Documentaires Disponible Electron beam radiation improves bond strength of UV adhesives / Melanie Kresak in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
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Titre : Electron beam radiation improves bond strength of UV adhesives Type de document : texte imprimé Auteurs : Melanie Kresak, Auteur Année de publication : 2018 Article en page(s) : p. 14-16 Langues : Multilingue (mul) Catégories : Adhésifs -- Propriétés mécaniques
Adhésifs -- Séchage sous rayonnement électronique
Adhésifs à usages médicaux
Enthalpie
Liaisons chimiques
Matériel médical
Polyacrylates
Rayonnement électronique
Résistance au cisaillement
Stérilisation
Transition vitreuseIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : State-of-the-art adhesives are often a smart solution for bonding medical technology products. Certified medical grade adhesives are biocompatible, produce permanent, reliable and durable bonds and are resistant to the standard sterilisation methods. Causing additional polymerisation electrom beam (E-beam) sterilisation even improves the adhesion coefficients. Note de contenu : - Electron beam sterilisation
- Tests results
- Fig. 1 : Tube bond with an orange fluorescent UV-acrylate
- Fig. 2 : Needle bonded for spiral anaesthesia with a UV acrylate
- Fig. 3 : Tensile shear strength of a UV-adhesives of the Vitralit seris for Panacol-Elosol in dependency of radiation dosage
- Fig. 4 : Glass transition temperature of a UV adhesive of the Vitralit series from Panacol-Elosol in dependency of radiation dose
- Fig. 5 : Residual enthalpy in dependence of the radiation dose of a UV adhesive of the Vitralit series from Panacol-ElosolEn ligne : https://drive.google.com/file/d/1_NrZR8FFTl209JWYA04qFSRHfUct1TAo/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30727
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Code-barres Cote Support Localisation Section Disponibilité 20007 - Périodique Bibliothèque principale Documentaires Disponible High modulus structural body shop adhesives / Felix Koch in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
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Titre : High modulus structural body shop adhesives Type de document : texte imprimé Auteurs : Felix Koch, Auteur ; Andreas Lutz, Auteur Année de publication : 2018 Article en page(s) : p. 17-19 Langues : Multilingue (mul) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique.
L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1.
C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple.
Adhésifs -- Propriétés mécaniques
Adhésifs dans les automobiles
Adhésifs structuraux
Essais accélérés (technologie)
Essais dynamiques
Métaux -- Collage
Résistance au décollement
Stabilité au stockageIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Since about twenty years structural adhesives are used in the body shop of an automotive line to bond vehicle body structures. The recent development of new toughening components allows to formulate structural adhesive which combine a high modulus but still offer excellent impact strength values. The increased adhesive modulus results in an overall improvement of the mechanical adhesive performance. Note de contenu : - Fig. 1 : Different steel grades for cold and warm forming in dependence of stress and strain
- Fig. 2 : Schematic view of the working principle of toughening polymers in an epoxy matrix after curing
- Fig. 3 : General overwiew of the adhesives' stiffnes represented by elastic modulus over impact peel strength for the different adhesive grades such as stiffening, semi-crash and crash resistant structural adhesives. The property space opened by the BETAMATE-technology is highlighted in yellow
- Fig. 4 : Comparison of e-modulus and impact peel strength of the new high modulus BETAMATE-technology in comparison with the reference technology - measured on DX 56+Z100 (0.75) and HC 420+Z100 (1.0 mm)
- Fig. 5 : Lap shear strength over elongation at break and fatigue resistance of the new high modulus BETAMATE-technology in comparison with the reference technology
- Fig. 6 : Artificial aging resistance of the new high modulus BETAMATE-technology in a VDA 233-102 test. Lap shear strengh on electro- and hot dip galvanized steel over 6 and 12 weeks and respective failure mode after 12 weeks artificial aging
- Fig. 7 : Storage stability of the new BETAMATE-Adhesives at room temperature and 30°C over a time of 40 weeks
- Table : Comparison of impact peel strength, modulus and glass transition temperature of older adhesive grades. Impact peel strength tested on DC04 steel ; 0.8 mm thick
En ligne : https://drive.google.com/file/d/1HmUewflcjWAwf_vfzf7BZtO7m2xhWEHM/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30728
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Code-barres Cote Support Localisation Section Disponibilité 20007 - Périodique Bibliothèque principale Documentaires Disponible New silane-terminated polymers for sealants and adhesives / Lars Lander in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
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Titre : New silane-terminated polymers for sealants and adhesives Type de document : texte imprimé Auteurs : Lars Lander, Auteur ; Jack Peng, Auteur Année de publication : 2018 Article en page(s) : p. 20-23 Note générale : Glossaire Langues : Multilingue (mul) Catégories : Assemblages collés
Colles:Adhésifs
Construction -- Matériaux
Essais accélérés (technologie)
Joints d'étanchéité
Mastics
Polymères à terminaison silaneIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : To provide building materials with an elastic bond or seal, particularly flexible and elastic sealing compounds are needed. Now silane-terminated polymers are available for the first time with which such sealants and adhesives can be produced in the highest quality - even without plasticizers. Note de contenu : - Low modulus - ideal for sensitive substrates
- Silane-terminated polymers
- Versatile and easily mixable
- High elasticity low modulus
- Expansion joints and windows
- Binder for universally applicable adhesives
- Fig. 1 : In construction engineering, joints are often found between components with sensitive substrates that are prone to erode and detach from the surface
- Fig. 2 : When building components meet, they inevitably form a joint. For the joint to remain permanently sealed, the sealant must be able to accommodate the changes in joint dimensions again and again without tearing or detaching from the surface
- Fig. 3 : GENIOSIL XM 25 yields low-modulus sealants with exceptionally high elastic recovery
- Fig. 4 : Tests show that GENIOSIL XM 25 yields low-modulus sealants with reliable adhesion to a wide range of substrates
- Fig. 5 : Tests show that sealants formulated with GENIOSIL XM 25 have a longer skin over time (SOT) (upper chart) and a lower modulus than comparable products (lower chart). This provides better protection for vulnerable joint faces, for example of prefabricated concrete parts or window frames
- Fig. 6 : Weathering tests show that sealants based on GENIOSIL XM 25 retain their elasticity for years. The test samples were manufactured according to DIN 150 7389 and were stretched twice their original length
- Fig. 7 : GENIOSIL XM 25 was developed for stressed expansion and connection joints. A typical application are expansion joints in buildings made of industrially prefabricated concrete parts, which are built in large numbers all over the worldEn ligne : https://drive.google.com/file/d/1t2Gq8HnGpUvKZw5F21Gri5Bq9XzBZIoP/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30729
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Code-barres Cote Support Localisation Section Disponibilité 20007 - Périodique Bibliothèque principale Documentaires Disponible Design of elastic adhesive bonds / Sebastian Mailänder in ADHESION - ADHESIVES + SEALANTS, Vol. 15, N° 2/2018 (2018)
[article]
Titre : Design of elastic adhesive bonds Type de document : texte imprimé Auteurs : Sebastian Mailänder, Auteur ; Gerson Meschut, Auteur Année de publication : 2018 Article en page(s) : p. 24-27 Note générale : Bibliogr. Langues : Multilingue (mul) Catégories : Adhésifs -- Propriétés mécaniques
Adhésifs -- Propriétés thermiques
Colles:Adhésifs
Elasticité
Essais (technologie)
Essais dynamiques
Polyuréthanes
Transport -- MatériauxIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : The cladding of metal frame structures with planking of composite plastics offers a cost-efficient alternative to the construction of lightweight, high-strength structures in automotive design and in the design of utility and rail vehicles. It involves the joining together of materials with different thermal expansion coefficients in such a way that relative displacements occurring during use due to changes in temperature can be compensated. Particularly suitable for this are thick-layer bonds (1-6 mm) with elastic polyurethane adhesives. Note de contenu : - Development of a test set-up
- Test parameters from the real-life operating environment
- Results of the experimental test
- Fig. 1 : Optimized tensile shear specimen for the coupled temperature-displacement test
- Fig. 2 : Test parameters derived from the application and test procedure in the high and low-temperature tensile shear tests for testing the temperature-related relative displacement
- Fig. 3 : Shear stress and temperature curves in the high and low-temperature tensile shear tests
- Fig. 4 : Determining the shear stress resulting from temperature-dependent relative displacement
- Fig. 5 : Identification of parameters for describing the time-dependent shear stress behavior
- Fig. 6 : Cyclical load signals and shear stress time behavior for different temperatures
- Fig. 7 : Comparison of the calculated shear stress curves under constant shear angle with the partial relaxation curves - measured with the block signal for different temperaturesEn ligne : https://drive.google.com/file/d/1YgFRLcFSKLG5h70swHBSrd8pMXYnSNF6/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30730
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Code-barres Cote Support Localisation Section Disponibilité 20007 - Périodique Bibliothèque principale Documentaires Disponible
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