Journal
PROGRESS IN ORGANIC COATINGS
Volume 119, Issue -, Pages 50-56Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2018.02.013
Keywords
BM-based epoxy; Bagasse; Liquefaction; Controlled release fertilizers
Funding
- National Key R&D Program of China [2017YFD0200706]
- Science and Technology Development Project of Shandong Province [2014GNC112006]
- China Postdoctoral Science Foundation [2016M602160, 2017T100501]
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Nearly 1 billion tons of bagasse are discarded annually in the production process. In this work, a novel controlled release fertilizer was successfully produced by coating urea particles with bio-based epoxy (EPCU). The bio-based epoxy coating was synthesized from the liquefied bagasse (LB) and bisphenol-A diglycidyl ether (BDE) with the different mole ratios of LB to BDE. The chemical structure and microscopic morphology of EPCU were examined by FTIR, (HNMR)-H-1, SEM. The nutrient release behaviors and mechanism of EPCUs were also discussed in detail. Results showed that EPCU3 improved the thermal stability by 60.3 degrees C (T-10%), increased the nutrient release longevity by 12 times, and raised the water contact angle of surface by 12%, and then significantly slowed the nitrogen release rate of the EPCU. This work indicated that the environment-friendly EPCU with superior controlled release properties could be especially useful in horticultural and agricultural applications.
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