Preparation of microporous carbons by using alpha-cyclodextrin as molecular porogen

Liu J; Wang HT

首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Preparation of microporous carbons by using alpha-cyclodextrin as molecular porogen

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Preparation of microporous carbons by using alpha-cyclodextrin as molecular porogen

机译：以α-环糊精为分子致孔剂制备微孔碳

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This paper reports a novel method for increasing the micropore volume of the microporous carbons (MCs) derived from polyimide by using α-cyclodextrin (CD) as a molecular porogen. The N-2 sorption results showed that the micropore volume of MCs increased from 0.15 to 0.24 cm(3)/g when the CD amount rose from 0% to 15% by weight, whereas the micropore width remained almost constant. The MCs were characterized by XRD, confirming the amorphous structure with two typical broad peaks at a d-spacing of 3.8 &ANGS; and 2.1 &ANGS;. Elemental analyses showed that the MCs had a high carbon content of ca.91%. © 2005 Elsevier B.V. All rights reserved.

机译：本文报道了一种新的方法，该方法通过使用α-环糊精（CD）作为分子致孔剂来增加聚酰亚胺衍生的微孔碳（MCs）的微孔体积。 N-2吸附结果表明，当CD量从0％增至15％重量时，MC的微孔体积从0.15增加到0.24 cm（3）/ g，而微孔宽度几乎保持恒定。用X射线衍射（XRD）表征了MC，证实了无定形结构，在d间隔为3.8＆ANGS时具有两个典型的宽峰。和2.1＆ANGS;。元素分析表明，MC的碳含量约为91％。＆复制; 2005 Elsevier B.V.保留所有权利。

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《Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites》 |2005年第11期|共5页
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Liu J; Wang HT;
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中图分类晶体学;
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Preparation of microporous carbons by using alpha-cyclodextrin as molecular porogen

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