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学科主题: 物理化学
题名: Novel Fingerprint-like Mesoporous Aluminosilicate Templated by Gemini Surfactant
作者: Wang QY(王全义) ;  Wei YX(魏迎旭) ;  Meng SH(孟霜鹤) ;  Liu ZM(刘中民)
会议名称: 16th International Zeolite Conference joint with the 7th International Mesostructured Materials Symposium
会议日期: 2010-7-4
出版日期: 2010-07-04
会议地点: Italy
通讯作者: 刘中民
部门归属: 十二室
主办者: The International Zeolite Association and the International Mesostructured Material Association
摘要: Mesoporous materials, as initiated at the beginning of the 1990s by the synthesis of MCM-41, were characterized with large pore channels sized from 1.5 to 10 nm, long-range order and surface areas higher than 700 m2/g. A breakthrough in lessening the diffusion hindrance has been made as compared with conventional microporous zeolites. Most of the synthesis strategies to prepare mesoporous materials are based on the use of surfactant as pore structure-directing agent. Gemini surfactants are a relatively new class of amphiphilic molecules containing two hydrophobic and two hydrophilic groups, connected by a linkage of variable length close to the hydrophilic groups. The general formula of gemini surfactant is [CmH2m+1(CH3)2N+-(CH2)s-N+(CH3)2CnH2n+1]·2Br− (normally denoted Cm-s-n). Compared with the corresponding monovalent (single-chain, single-head-group) surfactants, gemini surfactants have some unique characteristics, such as high surface activity, low Krafft point, and different behavior at the air/solution and solid/solution interfaces. Several kinds of mesoporous materials have been synthesized by using gemini surfactants. Herein, we report the synthesis of a novel fingerprint-like mesoporous aluminosilicate templated by a new gemini surfactant, C18-3-18 as structure-directing agent.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114382
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Wang QY,Wei YX,Meng SH,et al. Novel Fingerprint-like Mesoporous Aluminosilicate Templated by Gemini Surfactant[C]. 见:16th International Zeolite Conference joint with the 7th International Mesostructured Materials Symposium. Italy. 2010-7-4.
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