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毕业论文网 > 任务书 > 化学化工与生命科学类 > 药学 > 正文

生物基多元醇的合成任务书

 2020-05-26 08:05  

1. 毕业设计(论文)的内容和要求

由于石化资源日渐枯竭以及环境问题的日益严峻性,以可再生资源为原料合成化学品成为研究热点。

聚氨酯是一类应用广泛的高分子材料,主要由含活泼氢化合物(主要为多元醇)与异氰酸酯反应合成。

常用的聚氨酯多元醇多以石化资源为原料,生物基多元醇以油脂为原料,具有资源依赖性低、绿色环保等优势。

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2. 参考文献

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Preparation and characterization of sustainable polyurethane foams from soybean oils. J. Am. Oil Chem. Soc. 89, 2103-2111. [7] Guo, A., Javni, I., Petrovic, Z., 2000. Rigid polyurethane foams based on soybean oil. J. Appl. Polym. Sci. 77, 467-473. [8] He, W., Fang, Z., Ji, D., Chen, K., Wan, Z., Li, X., Gan, H., Tang, S., Zhang, K., Guo, K., 2013. Epoxidation of soybean oil by continuous micro-flow system with continuous separation. Org. Process Res. Dev. 17, 1137-1141. [9] Ionescu, M., Petrovi#263;, Z.S., 2011. Phenolation of vegetable oils. J. Serb. Chem. Soc. 76, 591-606. [10] Lee, C.S., Ooi, T.L., Chuanh, C.H., Ahmad, S., 2007. Rigid polyurethane foam production from palm oil-based epoxidized diethanolamides. J. Am. Oil Chem. Soc. 84, 1161-1167. [11] Lin, B., Yang, L., Dai, H., Yi, A., 2008. Kinetic studies on oxirane cleavage of epoxidized soybean oil by methanol and characterization of polyols. J. Am. Oil Chem. Soc. 85, 113-117. 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Network structure and properties of polyurethanes from soybean oil. J. Appl. Polym. Sci. 105, 2717-2727. [19] Prociak, A., Rojek, P., Pawlik, H., 2012. Flexible polyurethane foams modified with natural oil based polyols. J. Cell. Plast. 48, 489-499. [20] Ribeiro da Silva, V., Mosiewicki, M.A., Yoshida, M.I., Coelho da Silva, M., Stefani, P.M., Marcovich, N.E., 2013. Polyurethane foams based on modified tung oil and reinforced with rice husk ash II: Mechanical characterization. Polym. Test. 32, 665-672. [21] Rojek, P., Prociak, A., 2012. Effect of different rapeseed-oil-based polyols on mechanical properties of flexible polyurethane foams. J. Appl. Polym. Sci. 125, 2936-2945. [22] Suresh, K.I., 2013. Rigid polyurethane foams from cardanol: synthesis, structural characterization, and evaluation of polyol and foam properties. ACS Sustainable Chem. Eng. 1, 232-242. [23] Tan, S., Abraham, T., Ference, D., Macosko, C.W., 2011. Rigid polyurethane foams from a soybean oil-based polyol. Polymer 52, 2840-2846. [24] Tu, Y.C., Kiatsimkul, P., Suppes, G., Hsieh, F.H., 2007. Physical properties of water-blown rigid polyurethane foams from vegetable oil-based polyols. J. Appl. Polym. Sci. 105, 453-459. [25] Wang, C.B., Cooper, S.L., 1983. Morphology and properties of segmented polyether polyurethaneureas. Macromolecules 16, 775-786. [26] Wang, C.S., Yang, L.T., Ni, B.L., Shi, G., 2009. Polyurethane networks from different soy-based polyols by the ring opening of epoxidized soybean oil with methanol, glycol, and 1,2-propanediol. J. Appl. Polym. Sci. 114, 125-131. [27] Yamamoto, T., Shibayama, M., Nomura, S., 1989. Structure and properties of fatigued segmented poly(urethaneurea)s iii. quantitative analyses of hydrogen bond. Polym. J. 21, 895-903. [28] Yang, L.T., Zhao, C.S., Dai, C.L., Fu, L.Y., Lin, S.Q., 2012. Thermal and mechanical properties of polyurethane rigid foam based on epoxidized soybean oil. J. Polym. Environ. 20, 230-236. [29] Zhang, C., Ding, R., Kessler, M.R., 2014a. Reduction of epoxidized vegetable oils: a novel method to prepare bio-based polyols for polyurethanes. Macromol. Rapid Commun. 35, 1068-1074. [30] Zhang, L., Zhang, M., Hu, L., Zhou, Y., 2014b. Synthesis of rigid polyurethane foams with castor oil-based flameretardant polyols. Ind. Crop. Prod. 52, 380-388. [31] Zhu, M., Bandyopadhyay-Ghosh, S., Khazabi, M., Cai, H., Correa, C., Sain, M., 2012. Reinforcement of soy polyol-based rigid polyurethane foams by cellulose microfibers and nanoclays. J. Appl. Polym. Sci. 124, 4702-4710. [32] Zlatani#263;, A., Lava, C., Zhang, W., Petrovi#263;, Z.S., 2004. Effect of structure on properties of polyols and polyurethanes based on different vegetable oils. J. Appl. Polym. Sci. 42, 809-819.

3. 毕业设计(论文)进程安排

起讫日期 设计(论文)各阶段工作内容 1.1-1.15 确定毕业设计的课题及相关资料的查找 2.22-3.10 实验方案的设计 3.10-3.20 实验材料的准备 3.21-5.10 工艺合成 5.10-6.5 实验数据处理与结果分析 5.20-6.10 毕业论文书写

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