News

Recycled Plastic and Bio-based as Raw Material for Powder Coating

Allnex recently developed innovative polyester resins whose ingredients are C5 and C6 sugars that are derived from plant-based materials. Some of the products of this nature Allnex has brought into the market include carboxyl polyesters, hydroxyl alkyl amide (HAA), and triglycidyl isocyanurate (TGIC) cure powders. Alternatively, Sherwin Williams has unveiled the Powdura Eco Hybrid powder coating line whose polyester resins ingredients include 255 pre-consumer recycled plastics.

This company claims this variety of powder coats deliver improved first-pass transfer efficiency, possess broader cure capabilities over an extensive temperature spectrum, and meet third party certifications on the definition and measuring of sustainability standards. Some of the most notable of which are LEED, GreenGuard, and BIFMA.

Additionally, Battelle Memorial Institute recently announced it has been working on a bio-based powder coating resin, which is derived from renewable plant-based feedstock and delivers low-temperature cure capabilities. This resin has a bio-based content of 85% and can be cured at temperatures of no more than 130oC. At the same time, its aliphatic chemistry has been shown to provide exceptional UV light resistance.