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Robust Heterogeneous Nickel Catalysts with Tailored Porosity for the Selective Hydrogenolysis of Aryl Ethers
Author(s) -
Zaheer Muhammad,
Hermannsdörfer Justus,
Kretschmer Winfried P.,
Motz Günter,
Kempe Rhett
Publication year - 2014
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201300763
Subject(s) - hydrogenolysis , aryl , catalysis , porosity , physisorption , nickel , pyrolysis , materials science , chemical engineering , organic chemistry , lignin , chemistry , alkyl , engineering
SiC materials with tailored porosity and integrated Ni NPs (Ni@SiC) were synthesized via microphase separation of polycarbosilane‐ block ‐polyethylene followed by its pyrolysis. Changing the length of organic block allowed the synthesis of micro, meso and hierarchical Ni@SiC materials which were characterized by PXRD, TEM, TGA, and nitrogen physisorption. Selective hydrogenolysis of aryl ethers mimicking the most abundant linkages of lignin was achieved in water avoiding the possible hydrogenation of aromatic rings.