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Advantage of evaluating coatings in a real-world manufacturing environment / Douglas Corrigan in COATINGS TECH, Vol. 15, N° 10 (10/2018)
[article]
Titre : Advantage of evaluating coatings in a real-world manufacturing environment Type de document : texte imprimé Auteurs : Douglas Corrigan, Auteur Année de publication : 2018 Article en page(s) : p. 26-32 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Essais (technologie)
Evaluation
Pulvérisation
Revêtements -- Application-dosage:Peinture -- Application-dosage
Système de pulvérisation (technologie)
Technique des plasmasTags : Revêtement Evaluation 'Environnement réel' Index. décimale : 667.9 Revêtements et enduits Résumé : This article outlines an unmet industry need for formulators to conduct robust testing of their coatings products in real-world or simulated environments that closely resemble an OEM facility’s environmental and processing conditions as coatings are applied and cured. The illustrative examples provided in this article are not hypothetical but are based on actual OEM and end-user processes, widely available coatings products, and current market dynamics.
Application and curing dynamics of paints for factory and field-applied coatings are rarely quantified by coatings practitioners over a wide range of climactic and factory-specific conditions; yet, this information is critical to the long-term performance of the coating in global markets.Note de contenu : - Consolidation's role
- Aerospace production shuts down when weather changes
- Pretreatment of automotive plastic parts (application window deviations)
- Effects of part geometry on powder coating curing dynamics
- Spray dynamics : Droplet dynamics - Transfer efficiency dynamics
- Fig. 1 : Humidity and temperature ranges in the United States (2008)
- Fig. 2 : Effects of RH and T on the free surface energy of plastic part after plasma pretreatment
- Fig. 3 : Key parameters in spray dynamics
- Fig. 4 : Psychometric testing matrixEn ligne : https://drive.google.com/file/d/1r7pEiWjFpiG29iM3Ea48v9KPzSHy0Dq0/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31823
in COATINGS TECH > Vol. 15, N° 10 (10/2018) . - p. 26-32[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 20636 - Périodique Bibliothèque principale Documentaires Disponible Skin characteristics following repeated exposure to simulated outdoor and indoor summer temperatures in South Korea and Southeast Asia / Sue Im Jang in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 43, N° 3 (06/2021)
[article]
Titre : Skin characteristics following repeated exposure to simulated outdoor and indoor summer temperatures in South Korea and Southeast Asia Type de document : document électronique Auteurs : Sue Im Jang, Auteur ; Myeongryeol Lee, Auteur ; Yuchul Jung, Auteur ; Min Kyung Jeong, Auteur ; Ja Hyun Ryu, Auteur ; Beom Joon Kim, Auteur ; Byung-Fhy Suh, Auteur ; Eunjoo Kim, Auteur Année de publication : 2021 Article en page(s) : p. 352-358 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Elasticité 'Haute température haute humidité' 'Basse faible 'Caractéristiques de la peau' 'Environnement d'été d'Asie du Sud-Est' Index. décimale : 668.5 Parfums et cosmétiques Résumé : -Background : Although changes in skin depend on the external environment, researchers have performed only a few studies on effect of the actual environment. Most studies have researched skin characterization based on changes in the humidity or temperature.
- Aim/objective : This study aimed to evaluate changes in the skin based on the difference in indoor and outdoor temperatures and humidity during summer in South Korea and Southeast Asia.
- Methods : Twenty-two female participants aged 25–39 years were included. Skin hydration, sebum (cheek, forehead), colour, transparency and pores of the participants were measured after a 30-min exposure to high temperature and high humidity (HTHH) environment and a 30-min exposure to low temperature and low humidity (LTLH) environment. Subsequently, exposure to HTHH environment for 30 min +LTLH environment for 30 min was performed after a total of 1 h and repeated.
- Results : Repeated exposure to HTHH and LTLH environments increased the skin's sebum content and haemoglobin index. Additionally, skin elasticity was significantly reduced, with patients in their 30 s showing greater changes than those in their 20 s.
- Conclusion : Repeated differences in temperature and humidity cause skin ageing, loosen skin vessels and reduce skin elasticity, thereby leading to skin ageing.Note de contenu : - Participants and environmental condition
- Measurement of hydration, sebum and elasticity
- Measuring skin colour
- Measuring skin haemoglobin index
- Measuring skin transparency
- Measuring skin pore
- Statistics
- Table 1 : Study environmentsDOI : https://doi.org/10.1111/ics.12702 En ligne : https://drive.google.com/file/d/1hq66T_UXH2K-Pg3MtNUA7BxUpJohgG4G/view?usp=shari [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35902
in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 43, N° 3 (06/2021) . - p. 352-358[article]