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- Mesoporous molecular sieves and its applications. 中孔径分子筛及应用。
- This thesis emphasized on the preparation of mesoporous molecular sieves MSU. 中孔分子筛MSU是当今认为在稳定性方面很有发展前途的一种催化新材料。
- The mesoporous molecular sieves supported with ionic liquid were prepared by sol-gel method. 利用溶胶-凝胶法合成了固载离子液体的介孔分子筛。
- The progresses on the preparation and catalytic activities of the functionalized mesoporous molecular sieves are reviewed. 综述了介孔分子筛经功能化制备及催化性能的研究进展。
- Cs_xH_(3-x)PW_(12)O_(40)-SBA-15 mesoporous molecular sieve was prepared by sol-gel method using P123 as templating agent and TEOS as silicon source. 采用溶胶 凝胶方法,以P123为模板剂、正硅酸乙酯为硅源,合成出含有杂多酸铯盐的介孔分子筛CsxH3 xPW12O40 SBA 15。
- Mesoporous molecular sieve containing cobalt(CoMCM-41) was synthesized by two-step hydrothermal method. The synthesized CoMCM-41 was characterized by XRD,FT-IR,BET,BJH,and TPR. 用两步水热法合成出了含Co介孔分子筛;采用XRD;FT-IR;TPR;AFM;BET;B JH等方法对样品的物化性能进行了表征.
- Inorganic-organic self - assembling process revealed that TiO2 mesoporous molecular sieves was synthesized according to cooperative formation mechanism(CFM). 有机 -无机片段自组装过程显示TiO2 中孔分子筛的合成按照协同作用机理 (CFM)进行 ;
- Mesoporous molecular sieves are of great academic and practical importance in heterocatalysis. In this review, we mainly summarized the progress made in its catalytic application. 中孔分子筛在多相催化领域具有重要的理论研究和实际应用价值,综述了国内外的学者在其催化应用方面所取得的进展。
- MCM-41 mesoporous molecular sieves containing different contents of cobalt were synthesized hydrothermally by using CTABr as template and ortho-ethylsilicate as silicon source. 本文利用水热的方法合成了一系列不同Co含量的Co-MCM-41中孔分子筛催化剂。
- Mesoporous molecular sieves have potential applications in adsorption, catalysis and separation, preparation of advanced materials, and molecular devices. 中孔分子筛在吸附、催化与分离以及化学组装制备先进材料和分子器件等方面具有潜在的应用价值。
- MSU-1 mesoporous molecular sieve and its Fe,Cu,Ti,Co,Cr and Zr derivatives were synthesized using lauryl alcohol-polyoxyethylene ether(23) as a templating agent under the neutral pH conditions and were characterized by XRD,FT-IR and SEM. 以月桂醇聚氧乙烯醚为模板剂;在中性条件下成功地合成了具有MSU-1结构的介孔分子筛及其Fe、Cu、Ti、Co、Cr和Zr等杂原子取代的衍生物.
- The silica MSU-X type mesoporous molecular sieves were synthesized by using the polyoxyethylene stearyl ether (C18EO10) as template, the tetraethyl orthosilicate (TEOS) and sodium silicates as silica source, respectively. 以十八烷基聚氧乙烯醚(C18EO10)为模板剂,以正硅酸乙酯(TEOS)和硅酸钠分别为硅源,研究了不同pH值、反应温度、反应时间、原料比等条件下,合成的全硅MSU-X型介孔分子筛产物的结构变化规律,并通过焙烧和水热处理,考察了MSU-X介孔材料的结构稳定性。
- Organic ligands containing the thiol(-SH) metal chelating functional group were grafted to the surface of a mesoporous molecular sieve MCM 41 prepared from tetraethylorthosilicate, tetra methylanmonium hydroxide and hexadecyl trimethyl ammonium bromide. 在介孔分子筛 MCM-41表面自组装 3 -巯基丙基三甲氧基硅烷 (MP)制得对水体中重金属离子具有良好吸附作用的功能膜材料 MP-MCM-41。
- Mesoporous molecular sieve SBA-15 containing cesium substituted tungstophosphoric acid (Cs_(2.5)-TPA-SBA-15)was synthesized by sol-gel method and characterized by XRD,BET,FT-IR and TGA-DTA techniques. 用溶胶-凝胶方法合成并表征了磷钨酸铯改性的SBA-15介孔分子筛催化剂Cs_(2.;5)-TPA- SBA-15。
- PW/MCM-41 catalysts consisting of H_3PW_(12)O_(40) heteropoly acid (PW) supported on MCM-41,a mesoporous molecular sieve, was prepared and the pore structure characterized by XRD and BET. 制备了负载H3PW12O40(PW)杂多酸的PW/MCM 41催化剂,用XRD和BET等方法表征了催化剂的结构。
- The M41S, HMS, MSU, and SBA silica based crystalline mesoporous molecular sieves are of great academic and practical importance in catalysis, absorptive separation technology, and materials science. M41S、HMS、MSU和SBA等具有规则孔道结构的介孔硅基分子筛及其杂原子衍生物在多相催化、吸附分离及材料科学领域有重要的学术研究与工程应用价值。
- Mesoporous molecular sieves have attracted considerable attention because of their potential use as versatile catalysts and catalyst supports for the conversion of large molecules. 摘要介孔分子筛具有较大的孔径以及择形活性中心,具有潜在的应用优势,因而受到越来越普遍的关注。
- It is suggested that the development of hydrodesulfurization catalyst with mesoporous molecular sieve as carrier should be strengthened in the research activities of active components and additives. 提出在进行活性组分和助剂研究的同时,应加强对前景广阔的以介孔分子筛为载体的加氢脱硫催化剂的开发。
- Highly stabilized mesoporous molecular sieves were synthesized by the hydrothermal method using natural clay and so-dium silicate as raw materials and cetyltrimethyl ammonium bromide as a template. 以天然黏土和硅酸钠为原料、十六烷基三甲基溴化铵为模板剂,水热法合成了有序性好的高稳定性介孔分子筛。
- Cl-SBA- 15 mesoporous molecular sieve Cl-SBA-15分子筛