FREE-RADICALS FORMED IN THE ADSORPTION OF SATURATED-HYDROCARBONS ON H-MORDENITE

被引：32
|
作者：
CHEN, FR
FRIPIAT, JJ
机构：
[1] UNIV WISCONSIN,DEPT CHEM,POB 413,MILWAUKEE,WI 53201
[2] UNIV WISCONSIN,SURFACE STUDIES LAB,MILWAUKEE,WI 53201
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 22期
关键词：
D O I：
10.1021/j100124a002
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
It is shown that the adsorption of tert-hydrogen-containing molecules such as methylcyclohexane and 3-methylpentane on H-mordenite containing strong Lewis sites leads to the formation of a free radical at moderate temperature (less-than-or-equal-to 100-degrees-C). The radical is stable up to about 160-degrees-C. Above 160-degrees C it can be transformed into a carbenium ion, which has been considered as an essential intermediate in the cracking of saturated hydrocarbons. This process may be initiated by Lewis acid sites.
引用
收藏
页码：5796 / 5797
页数：2
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