1.
ChemSusChem
; 6(9): 1668-72, 2013 Sep.
Article
in English
| MEDLINE
| ID: mdl-23908100
ABSTRACT
Carbon nanofibers (CNFs) were functionalized with aryl sulfonic acid groups using in situ diazonium coupling. The use of diazonium coupling yielded an acidic carbon material, in which the introduced acidic groups are readily accessible to the triglyceride substrate. The material is an efficient catalyst for the transesterification of triolein and methanol, outperforming conventional sulfonated carbons in both stability and activity per acid site. Upon comparing CNFs with varying degrees of functionalization, a linear correlation between sulfonic acid sites and catalytic performance was found.
Subject(s)
Carbon/chemistry , Nanofibers/chemistry , Sulfonic Acids/chemistry , Cellulose/chemistry , Esterification , Styrenes/chemistry
2.
Angew Chem Int Ed Engl
; 52(19): 5089-92, 2013 May 03.
Article
in English
| MEDLINE
| ID: mdl-23554125