INVESTIGATION OF CATALYTIC THERMAL OXIDATIVE DEGRADATION OF ORGANIC POLYMERS AT ELEVATED TEMPERATURES.

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Abstract:

The basic mechanisms of degradation of organic polymers at elevated temperatures in contact with certain metals was investigated. The areas of study included migration of metal into polymers, the role of metal oxide films in degradation, polymer-metal reactions, and inhibition of degradation by the use of inert metal coatings. The polymers considered were epoxies, phenolics, and polybenzimidazole. The metals used were aluminum, iron, and stainless steel. Composite configurations evaluated were lap shear specimens and fine metal powders dispersed in the polymers. The experimental techniques used were mass spectrometry, neutron activation analysis, infrared absorption, electron paramagnetic resonance, thermochemiluminescence, and vapor phase chromatography. Author, modified-PL.

Author(s):
Flom, D. G. ; Speece, A. L. ; Schmidt, G. A.
Author Organization(s):
GENERAL ELECTRIC CO PHILADELPHIA PA MISSILE AND SPACE DIV
Descriptive Note:
Technical rept.,
Annotation:
Investigation of catalytic thermal oxidative degradation of organic polymers at elevated temperatures.
Pagination:
0122

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AFML-TR-65-235
Contract/Grant Number(s):
AF33(657)-11240
Task Number(s):
734202
Project Number(s):
7342
Monitor Series:
TR-65-235
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*POLYMERS, *ADHESIVES, *COMPOSITE MATERIALS, DEGRADATION, DEGRADATION, DEGRADATION, OXIDATION, CATALYSIS, ALUMINUM, IRON, POWDER METALS, MASS SPECTROSCOPY, NEUTRONS, INFRARED SPECTROSCOPY, CHEMILUMINESCENCE, CHROMATOGRAPHY, HIGH TEMPERATURE
Field(s)/Group(s):
Polymer Chemistry, Laminates and Composite Materials
Keyword(s):
NEUTRON ACTIVATION ANALYSIS, STEEL 1050
Report Date:
1965 Jul 01