【作者】 韩静；

【导师】 唐辉；

【作者基本信息】 昆明理工大学 ， 化学工程， 2007， 硕士

【摘要】 本论文以大豆油、蓖麻油和桐油为主要原料通过官能化反应合成了丙烯酸酯化环氧大豆油(AESO)、环氧化蓖麻油(ECO)及马来酸酐化桐油(MT)，在引发剂G和催化剂BC的作用下实现了官能化植物油的交联固化，引入发泡体系和填料固化发泡制备出了一类新型植物油基泡沫材料和培养基质。通过红外光谱分析(FTIR)、扫描电镜(SEM)、压缩应力测试系统及多种常规化学检测方法对官能化植物油的组成和结构进行了研究，分析了引发剂G、催化剂BC和碳酸钙用量对泡沫材料的性能及泡孔形态的影响以及填料组合及用量、油体系、发泡体系及用量、引发剂G和催化剂BC用量及固化时间等因素对培养基质的外观及理化性能的影响。通过上述研究，确定了三种分解温度较低的发泡体系，得出AESO体系在引发剂G的作用下及ECO和MT体系在催化剂BC的作用下制备泡沫材料的工艺条件为：AC用量均为油体系的30％，固化温度均为185℃。对于自由基聚合固化发泡体系：随着引发剂G用量的增加，各体系制得的泡沫材料的密度增大，泡沫材料的压缩应力均随着引发剂G用量的增加而增大，由发泡体系2制得的泡沫材料的泡孔较为均匀，多为开孔结构，随着引发剂G用量的增加，泡孔孔径逐渐变小且变得更加均匀。对于缩合聚合固化发泡体系，随着催化剂BC用量的增加，泡沫材料密度增大，加入碳酸钙后，泡沫材料的压缩应力增大，泡孔孔径变小。利用正交试验对培养基质的制备进行了研究，得出制备培养基质的较优配方，用较好配方制备培养基质并种植黄瓜和凤仙花，观察培养基质对植物生长的影响，得出了适合植物生长的培养基质配方为：有机无机混合填料组合为甘蔗渣、珍珠岩、腐植土、褐煤和沙，其中腐植土占填料总体积的20％，填料用量为中用量，油体系为(ECO+MT)／AESO=2／1，发泡体系2用量为油总量的5％，固化温度为185℃，固化时间为30min。更多还原

【Abstract】 In this paper, the vegetable oils were functionalized with soybean oil, castor oil and tung oil as the raw materials. Its epoxides, acrylated and maleinized products were prepared. The cross-linking & curing reaction of the functionalized vegetable oils were realized in the presence of initiator G and catalyst BC. The novel type of vegetable oil-based growing media and foaming materials were prepared with or without the addition of filler. The influences of the dosage of initiator G, catalyst BC and CaC0₃ on the physical and chemical properties of foaming materials were studied by FTIR, SEM, MTS and various chemical techniques. The appearance and physical & chemical properties of growing media were studied as adjusting the amount and type of filler, oil system, foaming system, initiator G, catalyst BC and curing time.By means of the all study mentioned above, it could be given three foaming system with lower decomposing temperature. The vegetable oil-based foaming material could be prepared with the aid of the initiator G for the AESO system and catalyst BC for the ECO & MT system, and AC is 30% of oil system, curing temperature is 185°C for the both foaming system. For the foaming system based on free radical curing: the density and compression stress of foaming materials increased with increasing in content of initiator G. For the foaming system based on foaming system 2, the cells were more even and open mostly, and cell size became less and more even with increasing in content of initiator G. For the condensation curing foaming system: the density increased with increasing in content of catalyst BC, the compression stress of foaming materials increased with the addition of CaC0₃, cell size became less too.Three better formulations were obtained through the investigating of the growing media by the orthogonal layout. The growing media prepared by the formulations were used to plant cucumber & balsamine and observe the growth of them. It could be given the best formulation for the growing media:organic-inorganic filler system is a mixture of bagasse, perlite, humus, lignite and sand, the humus volume is 20% of all fillers’. The total amount of filler is moderate in its dosage, oil system is （ECO+MT）/AESO=2/1, the dosage of foaming system 2 is 5% of the total oil, the curing temperature is 185°C and time is 30min.更多还原