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Environmentally Friendly Preparation of Lignin/paraffin/epoxy Resin Composite-coated Urea and Evaluation for Nitrogen Efficiency in Lettuce by Xiaojuan Chen; Tao Guo; Huchen Yang; Lidan Zhang; Yunna Xue; Rongfeng Wang; Xiaolin Fan; Shaolong Sun is a Materials Science article available to read on EtoBox.
What is Environmentally Friendly Preparation of Lignin/paraffin/epoxy Resin Composite-coated Urea and Evaluation for Nitrogen Efficiency in Lettuce about?
Novel lignin/paraffin/epoxy resin composite coated urea (LPECCU) was successfully prepared. Paraffin and epoxy resin (ER) were used to improve the slow-release properties of the lignin-based polyurethane (LPU) coated urea. The relationships among the N release characteristics, liquid-solid rate, -CNO/-OH molar rate and film formation rate in the coating material of LPECCU were investigated. The results showed that the water contact angle (WCA) of the LPU-paraffin increased with the rate of liquid-solid rate (73.61-88.19 • ) and -CNO/-OH molar rate (65.17-82.24 • ) increased. The average particle hardness of LPECCU decreased with the increased of liquid-solid rate (57.10-66.80 N) and the reduced of -CNO/-OH molar rate (48.11-63.00 N). The LPECCU emerged compact micro-structure, low sustained release and high compressive resistance by adding paraffin and ER. The coating material of LPECCU appeared excellent biodegradability in the soil. The optimal N cumulative release rate (72.49 %) of LPECCU was obtained (liquid-solid rate of 1.43, -CNO/-OH molar rate of 2, and the film formation rate of 6.66 %). The lettuce growth study was conducted to further evaluate the pot application of the
Who reads Environmentally Friendly Preparation of Lignin/paraffin/epoxy Resin Composite-coated Urea and Evaluation for Nitrogen Efficiency in Lettuce?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Xiaojuan Chen; Tao Guo; Huchen Yang; Lidan Zhang; Yunna Xue; Rongfeng Wang; Xiaolin Fan; Shaolong Sun
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Materials Science (Physical Sciences)