Open AccessThe Catalytic Activity of Some Mixed Oxides for Depolymerization of Paraldehyde
Author(s) -
S. P. Walvekar,
A. B. Halgeri
Publication year - 1974
Publication title -
bulletin of the chemical society of japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.145
H-Index - 99
eISSN - 1348-0634
pISSN - 0009-2673
DOI - 10.1246/bcsj.47.1927
Subject(s) - depolymerization , chemistry , catalysis , calcination , benzene , inorganic chemistry , organic chemistry
Depolymn. of paraldehyde in benzene catalyzed by SiO2-ZrO2, SiO2-TiO2, Al2O3-ZrO2, TiO2-ZrO2, Al2O3-TiO2 (calcined at various temps.) is studied. The catalytic activity (first order rate const., k) exhibits a max. against the temp. of heat treatment of the catalyst. The acid sites at pKa ≤-3.0 correlate best with catalytic activity for depolymn. of paraldehyde