Thermal decomposition kinetics of iodine-doped polyacetylene in vacuum

Journal Article · Fri Apr 01 00:00:00 EST 1983 · J. Appl. Polym. Sci.; (United States)

DOI:https://doi.org/10.1002/app.1983.070280401· OSTI ID:5781617

Osterholm, J E; Yasuda, H K; Levenson, L L

The thermal stability of iodine-doped polyacetylene films, (CHI/sub y/)/sub x/, has been studied by means of electrical conductivity measurements, measurements on weight loss, and mass spectrometric analysis of desorbing species. When heated between room temperature and 125/sup 0/C in vacuum, these films proved to be of poor thermal stability, being unstable at temperatures above 20/sup 0/C. During the thermal treatments, molecular iodine desorbs from the films, resulting in an appreciable dopant weight loss with accompanying decrease in the electrical conductivity. The decomposition process does not follow simple kinetics.

• Research Organization: Univ. of Missouri, Rolla
• OSTI ID: 5781617
• Journal Information: J. Appl. Polym. Sci.; (United States), Vol. 28:4
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ORGANIC POLYMERS
PYROLYSIS
POLYACETYLENES
ACETYLENE
DESORPTION
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
IODINE
MASS SPECTROMETERS
MEDIUM TEMPERATURE
MEDIUM VACUUM
STABILITY
THIN FILMS
ALKYNES
CHEMICAL REACTIONS
DECOMPOSITION
ELECTRICAL PROPERTIES
ELEMENTS
FILMS
HALOGENS
HYDROCARBONS
MATERIALS
MEASURING INSTRUMENTS
NONMETALS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
POLYENES
POLYMERS
SPECTROMETERS
THERMOCHEMICAL PROCESSES
360405* - Materials- Polymers & Plastics- Degradation & Erosion- (-1987)