[article]
| Titre : |
Sustainable coil coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Chris Lowe, Auteur |
| Année de publication : |
2023 |
| Article en page(s) : |
p. 184-194 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Biopolymères
Catalyseurs
Coil coatings
Développement durable
Formulation (Génie chimique)
Matériaux -- Propriétés
Phtalates -- Suppression ou remplacement
PolyamidesUn polyamide est un polymère contenant des fonctions amides -C(=O)-NH- résultant d'une réaction de polycondensation entre les fonctions acide carboxylique et amine.
Selon la composition de leur chaîne squelettique, les polyamides sont classés en aliphatiques, semi-aromatiques et aromatiques. Selon le type d'unités répétitives, les polyamides peuvent être des homopolymères ou des copolymères.
Polyesters
Polymères -- Propriétés mécaniques
Réticulation (polymérisation)
Revêtements organiques
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Pre-finished metal, be it steel or aluminium, is commonly used globally. The majority is used as façades and roofs of buildings, but other uses include garage doors, caravans, gutters and domestic appliances. The pre-finishing takes place on lines consisting of a coil of relatively thin metal (commonly around 0.6 mm thick for steel and between 1 and 1.2m wide) that can run continuously. The coil of thin metal can have a mass of 20 tonnes for steel and be upwards of 3,000 m long. Hence, the alternative name for prefinishing is coil coating. |
| Note de contenu : |
- Current technology and how it can be made more sustainable
- Structure property relationships
- Dependence of mechanical properties on structure in detail
- A bio-sourced alternative to phthalates
- Phthalates from sugar
- Catalysts for polyester synthesis
- Crosslinking that avoids residual formaldehyde
- Tackling the thorny issue of the need for high temperature curing
- Table 1 : Bio-sourced diols and diacids and the materials from which they are derived
- Table 2 : Composition and property data of different polyesters
- Table 3 : Summary of resin properties and mechanical performance for a range of polyesters synthesised from isosorbide and FDCA
- Table 4 : Characteristics of bio-sourced polyamides formed
- Table 5 : Standard paint formulation
- Table 6 and 7 : Energy required to heat paint to 220°C – Assumptions
- Table 8 : Data used to calculate the energy required to heat, dry and cure solventborne coil coatings
- Scheme 1 : Reaction detailing the synthesis of phthalic anhydrides from furans and maleic anhydride
- Scheme 2 : 3-Methylphthalic anhydride
- Scheme 3 : Polyamide derived from pimelic acid, butane-1,4-diamine and isoidide diamine |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39483 |
in SURFACE COATINGS INTERNATIONAL > Vol. 106.3 (05-06/2023) . - p. 184-194
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