1. 毕业设计(论文)的内容和要求
多元醇与异丁烯的加成反应为典型的原子经济反应,其产品可作为燃料、涂料等的添加剂,应用广泛;而多元醇与异丁烯的醚化反应多为连串反应,在异丁烯与乙二醇的醚化反应中其目的产物为中间产物乙二醇单叔丁基醚,如何抑制乙二醇的过度醚化,生成大量的副产物乙二醇二叔丁基醚是当前工作的一个重点。
论文内容为设计金属有机框架封装的磷钼酸催化剂,通过封装适量的磷钼酸,调控负载催化剂的形貌和比表面积,提高反应物和产物分子扩散速率。
采用IR、Raman、UV-Vis、TPD、XRD、BET等表征催化剂的酸性和结构,探究催化剂构效关系并筛选最优的反应条件。
2. 参考文献
[1]Wu H B , Xia B Y , Yu L , et al. Porous molybdenum carbide nano-octahedrons synthesized via confined carburization in metal-organic frameworks for efficient hydrogen production[J]. Nature Communications, 2015, 6:6512.[2]Malkar, Radhika, S, et al. Synthesis of cinnamyl benzoate over novel heteropoly acid encapsulated ZIF-8[J]. Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications, 2018.[3]Xinli, Yang, Liming, et al. One-pot synthesis of a hierarchical microporous-mesoporous phosphotungstic acid-HKUST-1 catalyst and its application in the selective oxidation of cyclopentene to glutaraldehyde[J].[4]Wee L H , Bajpe S R , Janssens N , et al. Convenient synthesis of Cu-3(BTC)(2) encapsulated Keggin heteropolyacid nanomaterial for application in catalysis[J]. Chemical Communications, 2010, 46(43):8186-8188.[5]Sun C Y , Liu S X , Liang D D , et al. Highly Stable Crystalline Catalysts Based on a Microporous Metal?Organic Framework and Polyoxometalates[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131(5):1883-1888.[6] 李 凤 琴 . 乙 二 醇 单 叔 丁 基 醚 的 合 成 及 应 用 [J]. 合 成 橡 胶 工 业 ,1989(6):376-379.[7] 梁平辉. 脂肪族缩水甘油醚的合成与应用[J]. 辽宁化工, 1995(3):15-21.[8] Lee H J, Seung D, Jung K S, et al. Etherification of glycerol by isobutylene Tuning the product composition[J]. Applied Catalysis A: General, 2010, 390(12):235-244.[9] Melero J A, Vicente G, Paniagua M, et al. Etherification of biodiesel-derived glycerol with ethanol for fuel formulation over sulfonic modified catalysts[J].Bioresource Technology, 2012, 103(1): 142-151.[10] Zhao W, Yang B, Yi C, et al. Etherification of Glycerol with Isobutylene to Produce Oxygenate Additive Using Sulfonated Peanut Shell Catalyst[J]. Industrial ov K, Mravec D, Kaszonyi A, et al. Etherification of glycerol and ethylene glycol by isobutylene[J]. Applied Catalysis A: General, 2007, 328(1): 1-13.
