Journal
BIORESOURCES
Volume 11, Issue 3, Pages 6756-6767Publisher
NORTH CAROLINA STATE UNIV DEPT WOOD & PAPER SCI
DOI: 10.15376/biores.11.3.6756-6767
Keywords
Cassava starch; Corn starch; Wood adhesive; Vinyl acetate; Butyl acrylate; Total volatile organic compounds
Categories
Funding
- Qing Lan Project
- National Natural Science Foundation of China [31471699]
- Jiangsu Students' Platform for Innovation and Entrepreneurship Training Program [201511460007Z]
- Nanjing Xiaozhuang University [2012NXY08]
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A biodegradable, environmentally friendly starch-based wood adhesive with cassava starch as a raw material and butyl acrylate (BA) as a comonomer was synthesized. Results revealed that this cassava starchbased wood adhesive (SWA) was more stable than corn starch-based wood adhesive, and its bonding performance was close to that of commercial PVAc emulsion, even after 90 days of storage. Further analysis found that the improved stability of the adhesive could be attributed to its low minimum film forming temperature (MFFT) and glass transition temperature (T-g) of cassava starch. Moreover, the amount of total volatile organic compounds (TVOCs) emitted by the cassava starchbased wood adhesive were much lower than the Chinese national standard control criteria. Therefore, cassava SWA might be a potential alternative to traditional petrochemical-based wood adhesives.
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