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Preparation and Degradation of Seedling Containers Made from Straw and Hydrolyzed Soy Protein Isolate Modified Urea-Formaldehyde Resins

文献类型： 外文期刊

作者： Qu, Ping 1 ; Huang, Hongying 2 ; Wu, Guofeng 2 ; Zhao, Yongfu 1 ; Jiang, Xizhi 1 ; Chang, Zhizhou 2 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Nanjing 210014, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing 210014, Jiangsu, Peoples R China

关键词： Seedling container;Straw;Urea-formaldehyde resin;Hydrolyzed soy protein isolate;Degradability

期刊名称：BIORESOURCES （ 影响因子：1.614； 五年影响因子：1.923 ）

ISSN： 1930-2126

年卷期： 2015 年 10 卷 4 期

页码：

收录情况： SCI

摘要： Straw powders were blended with hydrolyzed soy protein isolate (HSPI) modified urea-formaldehyde (UF) resins to produce biodegradable seedling containers. The tensile strength and the degradability of the seedling containers were characterized. Moreover, the degradation behavior of modified UF resins was investigated using N-15 isotopic tracing, dynamic mechanical analysis, C-13 CP/MAS NMR spectroscopy, and a scanning electron microscope-energy dispersive spectrometer. The results showed that the best tensile strength of the seedling containers made from HSPI-modified UF resins was improved by 6% compared with the seedling containers made from UF resins. The degradability of the seedling containers made from modified UF resins was improved 8.8 times more than that of unmodified UF resins. HSPI can lower the cross-linking degree of UF resins. The HSPI and ureaformaldehyde molecular chains in the resins were decomposed simultaneously in the soil. After degradation, nodular particles that appeared to be coalesced by small globular particles remained. In the process of degradation, modified UF resins can provide a nitrogen source for crops.

  • 相关文献

[1]Hydrolyzed soy protein isolates modified urea-formaldehyde resins as adhesives and its biodegradability. Qu, Ping,Huang, Hongying,Wu, Guofeng,Sun, Enhui,Chang, Zhizhou. 2015

[2]The effect of hydrolyzed soy protein isolate on the structure and biodegradability of urea-formaldehyde adhesives. Qu, Ping,Huang, Hongying,Wu, Guofeng,Sun, Enhui,Chang, Zhizhou. 2015

[3]Effects of straw addition on increased greenhouse vegetable yield and reduced antibiotic residue in fluvo-aquic soil. Wang Xiu-bin,Li Chun-hua,Huang Shao-wen,Tang Ji-wei,Jin Ji-yun,Gao Wei. 2015

[4]The effect of periphyton on seed germination and seedling growth of rice (Oryza sativa) in paddy area. Lu, Haiying,Liu, Junzhuo,Wu, Yonghong,Lu, Haiying,Shao, Hongbo,Kerr, Philip G..

[5]Comparative Analysis of Single-stage and Two-stage Fermentation Systems under Various Process Conditions. Qian, Yuting,Xi, Yonglan,Huang, Hongying,Jin, Hongmei,Xu, Yueding,Chang, Zhizhou,Qu, Haoli,Du, Jing,Lu, Xiwu. 2017

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