ISSN:
0021-8995
Keywords:
Chemistry
;
Polymer and Materials Science
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
All isomers of phenanthrol, 1-, 2-, 3-, 4-, and 9-phenanthrol, were prepared and the inhibitory effect of these compounds on the thermal oxidative degradation of isotactic polypropylene was examined by conventional oxygen uptake. The phenanthrols were found to be much more effective antioxidants than commercial 2,6-di-tert-butyl-4-methyl-phenol (abbreviated as BHT), and phenanthrene itself hardly showed any inhibitive effect. The effect of the phenanthrols was largely dependent on the position of the hydroxy group; the order of the effect was as follows: 1- 〉 4- 〉 2- 〉 3- 〉 9-phenanthrol 〉 BHT. The phenanthrols were also good inhibitors of the radical polymerization of methyl methacrylate, and a fairly good correlation was observed between oxygen uptake and radical polymerization data.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/app.1974.070180313
