在酸性条件下用正硅酸乙酯(TEOS)和苯基三乙氧基硅(PTES)直接缩合制备了苯基改性的中孔分子筛Ph-SBA-15,并用紫外光谱、红外光谱、X射线衍射、透射电镜和核磁共振等对改性后的样品进行了表征. 结果表明,在300 ℃下焙烧后,模板剂被脱除,而苯基可完整保留,苯基改性的SBA-15分子筛具有有序结构. 进一步用氯磺酸磺化改性后,可得到苯磺酸化的分子筛,其酸度可达4.19 mmol/g.
参考文献
| [1] | Beck J S;Vartuli J C;Roth W J;Leonowicz M E,Kresge C T,Schmitt K D,Chu C T-W,Olson D H,Sheppard E W,McCullen S B,Higgins J B,Schlenker J L .[J].Journal of the American Chemical Society,1992,114(27):10834. |
| [2] | Burkett S L;Sims S D;Mann S.[J].Chemical Communications,1996(11):1367. |
| [3] | Van Rhijn W M;De Vos D E;Sels B F;Bossaert W D Jacobs P A.[J].Chemical Communications,1998(03):317. |
| [4] | Lim MH.;Stein A.;Blanford CF. .Synthesis of ordered microporous silicates with organosulfur surface groups and their applications as solid acid catalysts[J].Chemistry of Materials,1998(2):467-470. |
| [5] | Macquarrie D J;Jackson D B.[J].Chemical Communications,1997(18):1781. |
| [6] | Zhao D;Feng J;Huo Q;Melosh N, Fredrickson G H,Chmelka B F,Stucky G D .[J].Science,1998,279(5350):548. |
| [7] | Yiu H H P;Wright P A;Botting N P .[J].Journal of Molecular Catalysis B:Enzymatic,2001,15(1-3):81. |
| [8] | Margolese D;Melero J A;Christiansen S C;Chmelka B F, Stucky G D .[J].Chemistry of Materials,2000,12(08):2448. |
| [9] | 袁兴东,沈健,李国辉,Ji-Man KIM,Sang-Eon PARK.SBA-15介孔分子筛表面的磺酸基改性及其催化性能[J].催化学报,2002(05):435-438. |
| [10] | Price P M;Clark J H;Macquarrie D J.[J].Journal of the Chemical Society Dalton Transactions,2000(02):101. |
| [11] | Clark J H;Macquarrie D J.[J].Chemical Communications,1998(08):853. |
| [12] | Bambrough CM.;Williams RT.;Slade RCT. .Synthesis of a large pore phenyl-modified mesoporous silica and its characterization by nitrogen and benzene sorption?[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1998(3):569-571. |
| [13] | Hall S R;Fowler C E;Lebeau B;Mann S.[J].Chemical Communications,1999(02):201. |
| [14] | Fowler C E;Burkett S L;Mann S.[J].Chemical Communications,1997(18):1769. |
| [15] | de Juan F.;Ruiz-Hitzky E. .Selective functionalization of mesoporous silica[J].Advanced Materials,2000(6):430-432. |
| [16] | Melero J A;Stucky G D;Van Grieken R;Morales G .[J].Journal of Materials Chemistry,2002,12(06):1664. |
| [17] | Babonneau F;Leite L;Fontlupt S .[J].Journal of Materials Chemistry,1999,9(01):175. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%