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nasal strip adhesion / Marc Johnson in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 20, N° 10 (10/2013)
[article]
Titre : nasal strip adhesion : Evaluating a product's adhesive qualities can help manufacturers gain a clearer picture of its overall strengths and weaknesses Type de document : texte imprimé Auteurs : Marc Johnson, Auteur Année de publication : 2013 Article en page(s) : p. 39-42 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion
Bandelettes nasales
Essais d'adhésion
Rubans adhésifs
TackIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Adhesive nasal strips were first created in the early 20th century not for people but for racing horses. Horse trainers found that their horses raced better with the strips in place. The original nasal strip for human use is credited to Bruce Johnson in 1991. Johnson was looking for a way to remedy his own nasal congestion. After many attempts, he found that an adhesive patch with spring tension applied to the outside of the nose provided good results. Johnson patented his Breathe Right device and, with help of a marketing team, began selling the product in 1992.
Nasal strips’ popularity among consumers took off in 1994 when Johnson and his team sent samples to several National Football League teams. The NFL’s Herschel Walker is credited as the first NFL player to use the strip on national television, along with the San Francisco 49er Jerry Rice.1
Now owned by GlaxoSmithKline, the Breathe Right brand is still a popular consumer health aid. Several competing brands and generic variations are also now available. Consumers use them to relieve congestion due to allergies, colds, or the flu; to alleviate snoring; and to increase air intake during exercise.Note de contenu : - Strip design
- Comparing adhesive properties
- Tack
- Area of work
- Stringiness
- Calculating an adhesive ratio
- A broad perspectiveEn ligne : http://www.adhesivesmag.com/articles/92328-nasal-strip-adhesion Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=19550
in ADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 20, N° 10 (10/2013) . - p. 39-42[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15579 - Périodique Bibliothèque principale Documentaires Disponible A new route to high-performance flexible adhesives and coatings : 2K STPE/epoxy technology / Ruolei Wang in ADHESIVES & SEALANTS INDUSTRY (ASI), Vol. 27, N° 3 (03/2020)
[article]
Titre : A new route to high-performance flexible adhesives and coatings : 2K STPE/epoxy technology : Combining a silyl-terminated polyether with epoxy technology as a two-component system provides a balance of high-strength performance and flexibility with bonding properties similar to traditional epoxies Type de document : texte imprimé Auteurs : Ruolei Wang, Auteur Année de publication : 2020 Article en page(s) : p. 36-39 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésifs -- Additifs
Adhésifs -- Propriétés physiques
Adhésifs dans la construction
Assemblages collés
Colles bi-composante:Adhésifs bi-composant
Epoxydes
Essais d'adhésion
Essais dynamiques
Formulation (Génie chimique)
Matériaux hybrides
Polyéthers silylés
Résistance au pelageIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : In the past half-century, the global market for sealants and adhesives in construction and industrial applications has experienced significant growth. Polyurethane-, silicone-, and silyl-terminated polyether (STPE)-based materials enjoy substantial market share in sealant applications due to their superb flexibility and adhesive characteristics, while epoxy products have remained a dominant force in adhesive applications due to their outstanding strength and good adhesion properties after surface treatment.
While these chemistries can meet most application requirements, performance gaps still need to be filled that require a balance of strength, flexibility, and adhesion. Examples of such opportunities include a primer that can endure structural movement and an adhesive that can withstand substrate vibrations or oscillations.
STPEs have an established history and are known to provide benefits such as being free of solvents and isocyanate while offering primerless adhesion to a wide range of materials, including metals, wood, glass, and many plastics. A more recent development by Kaneka North America LLC is to combine MS Polymer™, an STPE, with epoxy technology as a two-component (2K) system to provide a balance of high-strength performance and flexibility. The cured compound also provides bonding properties similar to traditional epoxy materials.Note de contenu : - Curing mechanism
- Formulation considerations
- Potential applications
- Adressing unmet needs
- Table 1 : Typical properties of self-levelling 2K STPE/epoxy
- Table 2 : Typical properties of non-sag 2K STPE/epoxy
- Table 3 : STPE:epoxy formulations with various additives packages
- Fig. 1 : Impact of additives on the physical properties of a cured 2K STPE/epoxy
- Fig. 2 : 2K STPE/epoxy adhesion strength testing results. Red circles indicate substrate failure
- Fig. 3 : Diagram of adhesion test piece
- Fig. 4 : Wet concrete peel strength comparisonEn ligne : https://www.adhesivesmag.com/articles/97630-a-new-route-to-high-performance-flex [...] Format de la ressource électronique : Html Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34039
in ADHESIVES & SEALANTS INDUSTRY (ASI) > Vol. 27, N° 3 (03/2020) . - p. 36-39[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21620 - Périodique Bibliothèque principale Documentaires Disponible 21870 - Périodique Bibliothèque principale Documentaires Disponible Nouveau test d'adhérence par choc laser pour les assemblages collés en matériaux composites / R. Ecault in MATERIAUX & TECHNIQUES, Vol. 100, N° 1 (2012)
[article]
Titre : Nouveau test d'adhérence par choc laser pour les assemblages collés en matériaux composites Type de document : texte imprimé Auteurs : R. Ecault, Auteur ; M. Boustie, Auteur ; Fabienne Touchard, Auteur ; L. Berthe, Auteur ; B. Ehrhart, Auteur ; C. Bockenheimer, Auteur Année de publication : 2012 Article en page(s) : p. 1-3 Note générale : Bibliogr. Langues : Français (fre) Catégories : Assemblages collés
Composites à fibres
Essais d'adhésion
lasersIndex. décimale : 668.3 Adhésifs et produits semblables Résumé : Les premiers résultats prometteurs quant à la possibilité d'un test d'adhérence par choc laser pour les assemblages collés composites sont présentés. L'objectif est de développer un test d'adhérence par choc laser, fiable et maîtrisé, afin de répondre aux problématiques industrielles relatives à la tenue mécanique des joints de collages des assemblages collés. Pour cela, le comportement dynamique de composites CFRP soumis à des chocs laser a été étudié et différentes techniques de diagnostic post-impact ont été mises au point. Un modèle numérique par éléments finis a également été développé et confronté aux résultats expérimentaux. Des développements sont encore nécessaires afin de mieux maîtriser les conditions de choc. Note de contenu : - La technique de choc laser
- Comportement des matériaux composites sous choc
- Simulations et optimisation
- Résultats sur assemblages collésEn ligne : http://www.mattech-journal.org/articles/mattech/pdf/2012/01/mt100-1-p1.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13892
in MATERIAUX & TECHNIQUES > Vol. 100, N° 1 (2012) . - p. 1-3[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 13769 - Périodique Bibliothèque principale Documentaires Disponible Novel CNSL-based waterborne Zn-rich primer systems for protective coatings / Hong Xu in COATINGS TECH, Vol. 15, N° 4 (04/2018)
[article]
Titre : Novel CNSL-based waterborne Zn-rich primer systems for protective coatings Type de document : texte imprimé Auteurs : Hong Xu, Auteur ; Fernanda Tavares, Auteur ; Anbu Natesh, Auteur ; Jing Li, Auteur Année de publication : 2018 Article en page(s) : p. 34-42 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs
Anticorrosion
Application directe sur le métal
Brillance (optique)
Cardanol
Epoxydes
Essais d'adhésion
Essais de brouillard salin
Formulation (Génie chimique)
Métaux -- Revêtements protecteurs
Noix de cajou et constituants
Phénalkamines
Polyuréthanes
Primaire (revêtement)
Réticulants
Revêtements -- Finition
Revêtements -- Propriétés mécaniques
Revêtements bi-composant
Revêtements en phase aqueuse
Rhéologie
ZincIndex. décimale : 667.9 Revêtements et enduits Résumé : Low-VOC waterborne (WB) Zn-rich primers and high performance WB epoxy primers have been developed based on novel Cashew Nutshell Liquid (CNSL)-derived curing agents for industrial and protective coating applications. These unique WB phenalkamines were synthesized from a natural, non food chain and renewable biomaterial and could help formulate WB primer systems that meet stricter volatile organic compound (VOC) regulations as well as high performance requirerments.
This article presents the latest performance studies of new phenalkamine-based WB Zn-rich primers and epoxy primers, and discusses the challenges associated with such formulations.
New 2K WB Zn-rich primers were formulated with a water-free phenalkamine curing agent. The study results showed the WB Zn-rich primers had good compatibility with various commercially available solid epoxy dispersions and delivered good cure and mechanical properties ; importantly, those WB Zn-rich primers provided superb adhesion to both metal substrates and commercial polyurethane (PU) topcoats without the use of adhesion promoters. Excellent corrosion protection and good resistance to undercutting of the scribe were observed after 3000-h Q-Fog exposure.
Additionally, newly developed WB high performance primers based on zero-VOC WB phenalkamines were evaluated either in combination with WB Zn-rich primers or by being directly applied over metal substrates was found that those WB epoxy primers could enhance corrosion protection as mid-coats to WB Zn-rich primers ; when being used direct-to-metal, WB epoxy primers also exhibited good mechanical and adhesion properties that benefited the overall anticorrosion performances.Note de contenu : - Part I : Waterborne (WB) Zn-rich primer study
- Part II : Waterborne (WB) mid-coat systems based on new WB-C curing agent
- Part III : Wet-on-wet properties
- FIGURES : 1. Cashew apple and nutshell - 2. Average cardanol structure - 3. Example of phenalkamine structure - 4. Panel images of cross-hatch adhesion tests - 5. Panel images after 120h salt spray exposure - 6. Panel images after 4000-h salt spray exposure - 7. Panel images after 1200-h salt spray exposure - 8. Panel images after 2400-h salt spray exposure (surface rusts were removed via scratch pad) - 9. Panel images after 2300-h salt spray exposure (WB Zn-rich primer systems topcoated with a red iron oxide mid-coat) - 10. Panel images after scribe and wet adhesion testing - 11. Mixing viscosity changes as a function of the percentage of added water - 12. Linear dry time of various systems based on WB-C - 13. Panel images of resin 1+WB-C clear coating-system after 1200-h salt spray exposure - 14. Panel images of MC#1 and MC#2 systems after 271 and 767-h salt spray exposure - 15. Panel image of WB Zn-rich#4 primer system topcoated with MC#2 mid-coat primer after 1685-h salt spray exposure - 16. Photo images of the panels after wet-on-wet adhesion tests
- TABLES : 1. Waterborne curing agents : typical properties - 2. Typical properties of solid epoxy dispersion resins - 3. WB Zn-rich primer formulations by using WB-A curing agent - 4. Mechanical properties of WB Zn-Rich primers - 5. WB mid-coat formulations based on WB-C - 6. Adhesion and anticorrosion performances of MC#2 systems as a function of mixing times - 7. Mechanical and adhesion properties of MC#2 - 8. Gloss comparisonEn ligne : https://drive.google.com/file/d/1QsQ8l4uOx13cFvlKXZElv8uh5js2daAr/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30518
in COATINGS TECH > Vol. 15, N° 4 (04/2018) . - p. 34-42[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19857 - Périodique Bibliothèque principale Documentaires Disponible Novel green process to modify ABS surface before its metallization : optophysic treatment / L. Magallón Cacho in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 2 (03/2015)
[article]
Titre : Novel green process to modify ABS surface before its metallization : optophysic treatment Type de document : texte imprimé Auteurs : L. Magallón Cacho, Auteur ; J. J. Pérez Bueno, Auteur ; Yunny Meas Vong, Auteur ; G. Stremdoerfer, Auteur ; J. Espinoza Beltràn, Auteur ; J. Martínez Vega, Auteur Année de publication : 2015 Article en page(s) : p. 313-323 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chrome hexavalent
Essais d'adhésion
Rayonnement ultraviolet
Terpolymère acrylonitrile butadiène styrène
Traitement corona
Traîtements de surfaceIndex. décimale : 667.9 Revêtements et enduits Résumé : The preconditioning of an ABS surface prior to metallization was achieved by a new technique, here named “optophysic treatment.” The dry procedure consists of alternating corona discharges and UV. The substrates are metallized by either the electroless or dynamic chemical plating (DCP) method. The surface modification is attributed to capture-release of charges, chemical modification on the surface, and a preferential removing of polybutadiene domains. Corona and UV cause superficial and depth ozonolysis, respectively, which increase oxygen content and propitiate a final hydrophilic surface. Corona acts by stripping more efficiently UV reticulated polymeric chains. Deposits with adhesions that surpass those of conventional electroless are obtained with optophysic treatment and a precoating by DCP. Note de contenu : - Chemical modification of ABS surfaces
- Morphological evolution of ABS surface
- Trapping electrical charges
- Measuring adherenceDOI : 10.1007/s11998-014-9632-5 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-014-9632-5.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=23650
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