European Coatings Journal - 15.04.2024 | Jitte Flapper | LIGHT-ACTIVATED DRYING

BRIGHT FUTURE FOR NEW IRON-BASED ALKYD DRIER

Alkyds form a class of binders that has been around for almost a century, and they still find widespread use [1]. The predominant application is in paints for use on wood (like lacquers and varnishes), but they are also used in many other types of paint and coatings. Alkyds are synthesised from di-or polyfunctional (aromatic) acids, polyols and fatty acids, see Figure 1 for a schematic representation of an alkyd. Because fatty acids are derived from vegetable oils, alkyds are partly bio-based, which explains a current revival of their popularity. The renewable content can be further increased if bio-based polyols ...
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