โ Scribed by I.A. Serenkova; Yu.A. Shlyapnikov; C.R.H.I. de Jonge
No coin nor oath required. For personal study only.
Oxidation of poly(2,6-diphenylphenylene oxide) has been studied within the temperature range 380-470ยฐC. The process is autoaccelerated, the maximum rate of oxygen consumption is directly proportional to its pressure. Activation energy changes from 48 kJ/mol below 410': to 110 kJ/mol above 420 ยฐ. The oxidation rate below 410 (" depends on the molecular mass of the polymer.
๐ SIMILAR VOLUMES
Shock tube measurements of ignition delay times of propene-oxygen-argon mixtures are presented. The concentrations are varied from 0.6 to 1.6% propene and from 2.7 to 14.4% oxygen diluted in argon. Temperatures in the range of 1274-1840K are achieved with averaged initial pressures ranging from 50 t
Thermochemical data for ceramic materials are essential both for understanding fundamental solid state chemistry (structure, bonding, and crystal chemical systematics, as well as vibrational, magnetic, optical, and electronic phenomena) and for predicting phase equilibria, materials compatibility, a