期刊
JOURNAL OF CONTROLLED RELEASE
卷 350, 期 -, 页码 748-760出版社
ELSEVIER
DOI: 10.1016/j.jconrel.2022.08.039
关键词
Controlled release fertilizer; Polyurethane; Vegetable oil; Starch; Lignin; Cellulose; Agrochemicals
资金
- Natural Science Foundation of Jiangsu Province [BK20220563]
- strategic research and consulting project of the Chinese Academy of Engineering [2021-xz-30]
- starting fund for postdoctoral research of Yangzhou University [137070649]
This review article focuses on the application and progress of environmentally friendly bio-based materials in the polyurethane-coated controlled-release fertilizer industry. Using animal and plant oils, starch, lignin, and cellulose as raw materials, polyols can be produced to replace petroleum-based materials and prepare polyurethane film coating for controlled-release fertilizers. The research on bio-based polyurethane has revealed its great potential in the production and application of coated controlled-release fertilizers.
In the past decades, polyurethane has emerged as a new material that has been widely developed and applied in coated controlled release fertilizers (CRFs). Particularly in recent years, the excessive consumption of petroleum resources and increasing demand for sustainable development have resulted in considerable interest in bio-based polyurethane coated controlled-release fertilizers. This review article focuses on the application and progress of environmentally friendly bio-based materials in the polyurethane-coated CRF industry. We also explore prospects for the green and sustainable development of coated CRFs. Using animal and plant oils, starch, lignin, and cellulose as raw materials, polyols can be produced by physical, chemical, and biological means to replace petroleum-based materials and polyurethane film coating for CRFs can be prepared. Various modifications can also improve the hydrophobicity and degradability of polyurethane film. A growing body of research on biobased polyurethane has revealed its great potential in the production and application of coated CRFs. The purpose of this review is to highlight the practicality of bio-based materials in the application of polyurethanecoated CRFs and to clarify their current limitations.
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