| Titre : |
Heat resistant, ultra-smooth UV curable alkyd primers for PVD |
| Type de document : |
texte imprimé |
| Auteurs : |
Akio Umino, Auteur ; Hirotake Fukuoka, Auteur ; Ichiro Azuma, Auteur |
| Année de publication : |
2017 |
| Article en page(s) : |
p. 15-22 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Dépôt en phase vapeur
Essais d'adhésion
Formulation (Génie chimique)
Polyalkydes
Polymères en émulsion
Primaire (revêtement)
Résistance thermique
Revêtements -- Séchage sous rayonnement ultraviolet
Revêtements en phase aqueuse
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The authors discusses the latest UV curable, water-based alkyd resin, which offers excellent adhesion to various substrates.
The authors of this paper have developed a novel alkyd resin and completed a primer paint that can be used for all substrates. This alkyd resin has benn adopted by the world's leading headlamp manufacturer, realising the reduction of environmental burden due to painting loss and a reduction of working cost ; demand continues to increase year over year.
This paper explores the design of the novel alkyd resin which realises excellent heat resistance to form a crosslinked structure with an acrylate compound via UV irradiation and also exhibits excellent surface smoothness. Furthermore, the development of waterborne alkyd resins suitable for this application will be discussed. |
| Note de contenu : |
- UV CURE CONCEPT OF ALKYD RESINS
- ALKYD RESIN SYNTHESIS AND PAINT FORMULATION : Spray, curing, and PVD condition - Appearance and cross-hatched adhesion test results in a PPS substrate - Heat resistance evaluation - IR spectra before and after UV-irradiation - Observation of surface shape - Cross-hatched adhesion test for various substrates - Characteristic of alkyd by each thermomechanical analyser (TMA) and thermogravimetry differential thermal analysis (TGA-DTA)
- DESIGN OF UV CURABLE WATER-BASED ALKYD RESIN DISPERSION : Synthesis of water-based alkyd resin - Paint formulation - Spray, curing, and PVD condition - Appearance and cross-hatched adhesion test results for various substrates
- FIGURES : 1. Expression of mirror surface design by primer of PVD - 2. Substrate of headlamp and its requirement of heat resistance - 3. Crosslinking of alkyd resin and acrylate compound by UV irradiation - 4.Appearance result after heat resistance test at 230°C - 5. Infrared absorption spectrum of prototype 3 before and after UV irradiation - 6. Surface observation results of the Prismatic pattern in prototype 5 - 7. Comparison of alkyd with acrylic by thermal equipment analysis - 8. Image of UV curable waterborne polymers - 9. Synthetic summary of the water-based alkyd resin
TABLES : 1. Synthesised alkyd resin - 2. Composition of UV curable coating for PVD primer - 3. Formulation of test paint - 4. Results of heat resistance test of prototype 1 to 6 on a PPS substrate - 5. Results of cross-hatched adhesion test on various substrates on initial and after heat resistance test - 6. Technical data of UV curable water-based paints - 7. Formulation of test paint - 8. COmparison of application test results between water-base and solvant |
| En ligne : |
https://drive.google.com/file/d/13nmsbWiqaCWskoEhEk0yLFUY7G1fjTAg/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29464 |
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 207, N° 4636 (11/2017) . - p. 15-22
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