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- Keywords ultrafine powder;complex solid superacid;catalysis;esterification; 超微粒子;固体超强酸;复合;催化;酯化;
- Keywords Nipagin esters;Complex solid superacid;Catalyst;Esterification; 尼泊金酯;复合固体超强酸;催化剂;酯化;
- Study on Catalytic Action of Complex Solid Superacid or Esterification of n-butyl Acetate 复合固体超强酸对乙酸正丁酯的催化合成研究
- complex solid superacids 复合固体超强酸
- complex solid superacid 复合固体超强酸
- Finally, the development trend of solid superacid catalysts is presented. 展望了固体超强酸催化剂在生物柴油制备中的发展方向。
- The SEM,XRD and IR analyses indi-cate that the catalyst has catalyst has spectral characteristics of solid superacid. SEM、XRD及 IR分析表明 ;SO42 -/ Zr O2 - AL2 O3 具有固体超强酸的光谱特征 .
- Solid superacid was used as the catalyst in the synthesis of glycerol triacetate. 以固体超强酸为催化剂,对冰醋酸和甘油的酯化反应进行了研究。
- A series of rare earth solid superacid were prepared and used for synthesizing dimethyl fumarate(DMF). 制备了一系列稀土固体超强酸用于合成富马酸二甲酯。
- In this paper, with solid superacid as catalyst for isoamyl propionate synthesis was studied. 本论文用固体超强酸为催化剂对丙酸异戊酯的合成进行了研究。
- The results show that rare earth solid superacid catalysts have high catalyst activity and stabilization. 研究结果表明,稀土固体超强酸具有很高的催化性能和稳定的催化活性。
- In type VI complex solid and cystic masses, eccentric cystic foci can be caused by duct dilatation, acini, or necrosis. 在TypeVI复杂实囊性团块中，偏心的囊性灶可由导管扩张、腺泡、或坏死。
- The optimum reaction conditions of catalyzed synthesis of n-octyl lactate had been studied with the ferric solid superacid as catalyst. 以铁系固体超强酸为催化剂,研究了催化合成乳酸辛酯的最适宜反应条件。
- The reaction mechanism were determined with FT-IR spectroscopy of methanol,acetic acid,acetic ester on the SO?4??2-?/ZrO?2 solid superacid catalyst. 以甲醇、乙酸和乙酸乙酯吸附在SO42-/ZrO2固体超强酸催化剂上的FT-IR光谱,推测酯化反应机理。
- The reactive condition of catalyst was optimized by orthogonal method. The acid strength and structures of solid superacid catalyst was research. 用正交试验法对催化剂的制备条件进行优化,并对催化剂的酸强度、酸结构进行了系统的研究。 具体工作分为三部分进行:
- In the paper,rare earth solid superacids were prepared and used for synthesizing iso-amyl acetate,and their catalytic properties in esterification were examined. 制备了一系列稀土固体超强酸，通过催化合成各种酯，研究稀土固体超强酸的催化性能。
- It first partitions the complex solid body into fine regular cells, which provides an intermediate structure for the grain filling and makes the locating of grains much easy. 首先以规则化基网格来剖分待填的实体，提供了一个中间层次，简化随机颗粒定位的复杂性；
- The synthesis of isoamyl acetate from acetic acid and isoamyl alcohol on a series of solid superacids catalysts containing vare earth elements was studied. 制备出一系列稀土固体超强酸催化剂,用于催化以乙酸和异戊醇为原料合成乙酸异戊酯的反应。
- It first partitions the complex solid body into fine regular cells,which provides an intermediate structure for the grain filling and makes the locating of grains much easy. 然后在生成满足统计特征的颗粒集合的基础上,提出先快速预填充。
- The solid superacids SO~(2-)_(4)/Si-Zr-CLR was prepared by chemical modification on solid superacids. It was used as catalyst in the di-heptanyl alcohol adipate reaction. 将硅锆交联粘土固体超强酸(SO2-4/Si Zr CLR)用于己二酸二庚酯的合成反应中。
