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Abstract Industrial electron-beam (EB) polymerizations are affected by oxygen inhibition, which is typically mitigated using nitrogen inertization. However, continuous nitrogen flow is expensive, and it is desirable to identify a… Click to show full abstract
Abstract Industrial electron-beam (EB) polymerizations are affected by oxygen inhibition, which is typically mitigated using nitrogen inertization. However, continuous nitrogen flow is expensive, and it is desirable to identify a cheaper method to overcome oxygen inhibition. Hybrid UV/EB processing was investigated as a means to overcome oxygen inhibition typically associated with EB polymerization while addressing the depth of penetration issues typically associated with photopolymerization. The depth of the oxygen inhibition layer was quantified using confocal Raman microscopy, and the effects of hybrid processing on physical properties were investigated using dynamic mechanical analysis. UV/EB hybrid processing was shown to successfully overcome oxygen inhibition while retaining depth of cure in pigmented samples.
Journal Title: Progress in Organic Coatings
Year Published: 2020
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