APPLICATION OF INVERSE GAS-CHROMATOGRAPHY TO THE STUDY OF THE SURFACE-PROPERTIES OF MODIFIED LAYERED MINERALS

被引:50
作者
BANDOSZ, TJ
PUTYERA, K
JAGIELLO, J
SCHWARZ, JA
机构
[1] SYRACUSE UNIV, DEPT CHEM ENGN & MAT SCI, SYRACUSE, NY 13244 USA
[2] SLOVAK ACAD SCI, INST INORGAN CHEM, CS-84236 BRATISLAVA, CZECHOSLOVAKIA
[3] UNIV MIN & MET KRAKOW, INST ENERGOCHEM COAL & PHYSICOLCHEM SORBENTS, PL-30059 KRAKOW, POLAND
来源
MICROPOROUS MATERIALS | 1993年 / 1卷 / 01期
关键词
MONTMORILLONITE; HYDROTALCITE; INTERCALATION; INVERSE GAS CHROMATOGRAPHY; ALKANE AND ALKENE SORPTION; SURFACE ACIDITY; SURFACE ENERGY; CARBON;
D O I
10.1016/0927-6513(93)80010-R
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Inverse gas chromatography at infinite dilution has been used to study the effects of modifications of cationic (montmorillonite) and anionic (hydrotalcite) clays, By using alkanes and alkenes as probe molecules both the dispersive component of the surface energy and the surface acidic sites were characterized. The introduction of polymers into the structure of these minerals significantly changed their chemical character. Carbonization of samples whose interlayer spaces were saturated with polymers produced new carbon-modified materials. These composite materials became microporous while retaining their initial acid/base surface properties.
引用
收藏
页码:73 / 79
页数:7
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