Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 6, Issue 11, Pages 14685-14694Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.8b03252
Keywords
Lignin; Photopolymer; UV curing Coating; Methacrylation
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Funding
- University of Western Ontario
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Ontario Ministry of Research and Innovation
- Canadian Foundation for Innovation
- Solvay-Cytec
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Kraft lignin (KL) was converted to methacrylated lignin through an esterification reaction using meth acrylic anhydride. It was determined that up to 70% of the hydroxyl functional groups contained within the structure of lignin were converted into corresponding methacrylate. The methacrylated lignin (ML) was incorporated into ultraviolet (UV)-curable formulations, where the formulations were applied to a surface and cured under UV light to give robust, lignin-rich coatings with loadings as high as 31 wt % of methacrylated lignin.
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