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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 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。
complex solid superacids 复合固体超强酸
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。
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 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:
The application of zeolites,solid superacid and other catalysts in alkylation of isobutane with butene has been reviewed. 概述了沸石催化剂、固体超强酸催化剂等在异丁烷／丁烯烷基化反应中的研究进展及其应用效益。
The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper. 研究了固体超强酸催化剂制备条件对催化剂性质及萘齐聚反应的影响。
Preparation and capabi lity of solid superacid and correlative catalysts of oxid promoted by SO42- was summarized in this paper. 本文综合论述了SO42-促进氧化物固体超强酸及其相关催化剂的制备以及各自的性能。
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 preparation methods and the parameters affecting the physical and catalytic properties of supported oxides solid superacid catalyst were reviewed. 负载型氧化物固体超强酸是80年代末才开始发展的一类新型催化剂。