期刊论文

Wang, Meng

英文

Journal of Applied Polymer Science

0021-8995

2021

138

15

50179-

10.1002/app.50179

This work was supported by the National Key R&D Program of China (2017YFD0200705), the National Natural Foundation of China (51403099), the Natural Science Foundation of Hunan Province, China (2018JJ2322), the Key Projects of Education Department of Hunan Province, China (18A239); the Research Study and Innovative Experiment Program for College Students in Hunan Province, China (S201910555019, 2018XJX2042); the Projects of Education Department of Hunan Province, China (19C1628). Key Projects of Education Department of Hunan Province, China, Grant/Award Number: 18A239; National Key R&D Program of China, Grant/Award Number: 2017YFD0200705; National Natural Foundation of China, Grant/Award Number: 51403099; Natural Science Foundation of Hunan Province, China, Grant/Award Number: 2018JJ2322; Projects of Education Department of Hunan Province, China, Grant/Award Number: 19C1628; Research Study and Innovative Experiment Program for College Students in Hunan Province, China, Grant/Award Numbers: S201910555019, 2018XJX2042 Funding information

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Two kinds of bio-based polyurethane coatings for controlled-release urea were prepared by in-situ polymerization used castor oil and liquefied starch as raw materials, respectively. Scanning electron microscopy (SEM) showed that the section morphology of castor oil based polyurethane (Castor-PU) coating was uniform and dense, and that of liquefied starch based polyurethane (Starch-PU) coating had certain proportion of microporous. Infrared spectroscopy (IR) showed that the two coatings had typical urethane characteristic structure, but the diff...