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Research Article

Natural Nanofibrous Cellulose-Derived Solid Acid Catalysts

Table 2

Catalytic performance of the catalysts tested for dimerization of α-methylstyrene.


EntryCatalystConversion (%)Selectivity (%)
Unsaturated dimersSaturated dimers

1BC-CNFs-400-SO3H96.396.83.20
2BC-CNFs-600-SO3H92.9>99%Trace
3BC-CNFs-800-SO3H20.7>95%Trace
4BC-CNFs-400-SO3H∗97.783.6%16.4%
5BC-CNFs-600TraceTraceTrace
6H2SO4ca. 1004.3095.7
7Amberlyst-1598.856.343.7
8Nafion R-1100TraceTraceTrace
9H-ZSM-58.92>99%Trace
10H-Mordenite6.35>99%Trace
11Niobic acidTraceTraceTrace

,4-diphenyl-4methyl-1-pentene and 2,4-diphenyl-4-methyl-2-pentene; ,1,3-trimethyl-3-phenylindan.