2.5 Going Higher-Novel High Solids Alkyds for Paints and Stains
(Room 240-242)
09 Apr 18
4:30 PM
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5:00 PM
Tracks:
Session 2: Wood Coatings
High solids and exempt solvent approaches are common techniques to reduce the VOC of solvent based alkyd coatings. Exempt solvents face limitations in odor, solubility, cost, flash point and geographic compliance. High solid approaches offer a more robust solution if performance can be maintained. Typically performance is not maintained as contemporary high solids alkyd technology often utilizes higher oil/fatty acid levels to reduce viscosity thereby compromising dry time and hardness development. Previously, Arkema/CCP introduced a branched long oil reactive diluent based on sucrose ester technology that offered low viscosity and fast dry. The sucrose ester approach offered a technical solution for achieving performance at reduced VOCs, however this solution was feedstock limited and commercially challenged. In response to this Arkema has developed a new polymer platform to overcome these issues. The new platform is derived from readily available feedstock materials and is useful for creating alkyd polymers with a low viscosity and fast dry profile. This paper will show how modifications of this new platform can be used to create low VOC alkyd paints for decorative, wood, and maintenance applications with a performance VOC balance not achievable with a conventional high solids approaches.