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- Keywords Polymer supported catalyst;Selenaether;Platinum complex;Olefin;Hydrosilylation; 高分子负载催化剂;硒醚;铂配合物;烯烃;硅氢化反应;
- This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst. 本文首次报道一种新的高分子固载季铵树脂的合成及其在水解、成醚反应中的应用,此树脂是一种有效的三相催化剂。
- As a result,this polymer supported zinc phthalocyanine can be potentially served as a homogenous catalys... 因此,该聚合物负载锌酞菁作为一种新型的催化剂有望实现均相催化,异相分离。
- The growth of CNTS(carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported. 稀土催化剂是一种稳定性好、选择性高、很活泼的催化剂;在石油的催化裂解方面得到了广泛的应用.
- Some W/O microemulsions are studied.A supported catalyst used in fatty alcohol amination is prepared with these microemulsions. 利用W/O型的微乳液,制成脂肪醇胺化的负载型催化剂。
- These polymer support are polyvinylpyrrolidone(PVP),sodium carboxymethyl cellulose(CMC),chitsan(CS) and cyanoethylated cellulose(CC). 这些高分子载体包括 ,聚乙烯吡咯烷酮 (PVP)、羧甲基纤维素钠 (CMC)、壳聚糖 (CS)和氰乙基化纤维素(CC)。
- The vapour phase ortho-selective alkylation of phenol with methanol was investigated over spine1-type cobalt chromite catalyst with K as the supported catalyst. 摘要研究了具有尖晶石结构的铬酸钴及负载钾的铬酸钴催化剂上苯酚和甲醇气相邻位烷基化反应。
- A stable polymer supported titanate PVAC-1 was synthesized by reacting titanium tetrachloride with polyvinyl alcohol in dimethyl sulfoxide and ethyl alcohol solutions. 聚乙烯醇与四氯化钛在二甲基亚砜和无水乙醇的混合溶剂中反应,制得负载钛酸酯催化剂PVAC-1,用红外光谱对其进行了表征。
- Therefore, the Rh-phosphine complex-inorganic layered material in this work provides a potential candidate for exploitation of supported catalyst for hydroformylation. 本文针对烯烃氢甲酰化反应做了有益的探索,揭示出LDHs作为烯烃氢甲酰化催化剂载体改善催化性能的潜在应用前景,也为LDHs在多相催化体系中的应用提供了新的研究思路。
- Polymer supported quaternary ammonium was synthesized from polystyrene supported diethylene glycol with 6% crossing linkage,through grafting 1,4-dibromobutane,followed by reaction with tributyl amine. 以交联度为6%25的聚苯乙烯固载二甘醇树脂为原料,经接枝1,4-二溴丁烷,然后与三丁胺反应,合成季铵盐型的三相相转移催化剂。
- The experiment results show that under reaction temperature 80 C and reaction pressure 3.0 MPa, the reaction conversion is nearly 100% and the yield is beyond 90.0% with Ni-Co/C double metal supported catalyst. 实验表明,在温度110℃,压力3.;0MPa下,采用Ni-Co/C催化剂进行的加氢催化反应,原料转化率近于100%25,产物收率在90%25以上。
- Two types polymer supported titanium catalysts, TiCl 4/SAA and TiCl 4/EAC, have been synthesized, where poly(styrene acrylamide) and poly(ethylene acrylic acid) were used as carriers respectively. 分别以聚(苯乙烯-丙烯酰胺)(SAA)和聚(乙烯-丙烯酸)(EAC)为载体,合成了两类聚合物载体钛系催化剂。
- The supported catalyst P1 was prepared with hydrazine hydrate and potassium borohydride as(co-reducers) in a mixed solvent consisting of methanol,ethanol and water in a proper proportion. 采用水合肼和硼氢化钾为共还原剂,适当比例的甲醇、乙醇和水的混合物为溶剂,制备得到负载催化剂P1。
- The copolymers prepared by solution polymerization in THF or dioxane were better supporter for the synthesis of highly active supported catalyst. 在溶剂THF或二氧六环的存在下制得的苯乙烯-丙烯酸共聚物最适宜于合成高活性的载体钕络合物。
- The principle of the method, the polymer supports, the detection means, the coupling and cleavage procedures are also surveyed. 论述了固相合成寡糖的原理、所用的聚合物载体、合成过程的检测、偶联和拆解的方法等。
- Liquid phase ammoxidation of p-tert-butyltoluene(PTT) to p-tert-butylbenzonitrile(PTBN)without solvent had been investigated in presence of a mixed oxides supported catalyst prepared by impregnation. 采用负载型金属复合氧化物催化剂,对气相氨氧化反应条件下不稳定的对叔丁基甲苯进行了液相氨氧化反应研究。
- Those popularized methods of purification included:application of solid-phase bound reagents,synthesis of soluble polymer supports,purification by fluorous synthesis,and so on. 综述了近8年来液相组合合成中小分子化合物库的纯化方法,如通过固载化试剂的应用、可溶性聚载物的应用、氟合成技术、液相萃取等达到纯化目的。
- Keywords Polymer supported titanate;Catalyst;Dicyclohexyl phthalate;Synthesis; 负载钛酸酯;催化剂;邻苯二甲酸二环己酯;合成;
- Keywords Polymer supported chelated titanate;Catalyst;Esterification; 固载化螯合钛酸酯;催化剂;酯化;
- A series of CeO 2 modified Pd/NaZSM 5 supported catalysts has been prepared by impregnation method. 以浸渍法制备了一系列添加CeO2 的Pd Ce/NaZSM 5负载型催化剂 .
