7.4 Blending Free Radical Chemistry with Thermally Initiated Poly Addition Chemistry
(Room 237-239)
10 Apr 18
11:00 AM
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11:30 AM
Tracks:
Session 7: Radiation Curing
Free radical polymerization is known for its high throughput rate, chemical resistance, scratch resistance, and high gloss due to high crosslink density. The lightning-fast curing process efficiency is only as good as the ultraviolet light the coating sees, making flat stock the optimal substrate of choice. Unlike conventional thermal or polyaddition chemistry which offers unlimited coating shapes that can be cured that can be tailored to have outstanding weatherability, robust adhesion to various substrates, and low shrinkage upon cure. This paper will explore the performance benefits that can be achieved by blending free radical chemistry with thermally initiated poly addition chemistry (solvent and waterborne) creating a coatings solution that is the best of both worlds. The data that will be presented will articulate how the combined chemistry solution has a shorter processing window, improved weatherability, and broader application utility due to improved process conditions.