Effect of evolved hydrogen fluoride on radiation-induced crosslinking and dehydrofluorination of poly(vinylidene fluoride). [. gamma. radiation]
Journal Article
·
· J. Polym. Sci.; (United States)
OSTI ID:7226611
Poly(vinylidene fluoride) (PVdF) was irradiated by /sup 60/Co ..gamma..-rays with and without potassium hydroxide (KOH) under vacuum. KOH tablets were added to absorb completely hydrogen fluoride (HF) which is the main volatile product of radiolysis of PVdF in the irradiation cell. In the presence of HF, the rates of radiation-induced crosslinking and dehydrofluorination of PVdF were lower than those in the absence of HF. The experimental results are discussed from the standpoint of stabilization of alkyl free radicals in PVdF by reaction with hydrogen fluoride.
- Research Organization:
- Japan Atomic Energy Research Inst., Takasaki
- OSTI ID:
- 7226611
- Journal Information:
- J. Polym. Sci.; (United States), Journal Name: J. Polym. Sci.; (United States) Vol. 14; ISSN JPSCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400600* -- Radiation Chemistry
ALKALI METAL COMPOUNDS
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
CHEMISTRY
CROSS-LINKING
DECOMPOSITION
ELECTROMAGNETIC RADIATION
FLUORINATED ALIPHATIC HYDROCARBONS
GAMMA RADIATION
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
HYDROXIDES
INORGANIC ACIDS
IONIZING RADIATIONS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
POLYMERIZATION
POLYMERS
POLYVINYLS
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
400600* -- Radiation Chemistry
ALKALI METAL COMPOUNDS
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
CHEMISTRY
CROSS-LINKING
DECOMPOSITION
ELECTROMAGNETIC RADIATION
FLUORINATED ALIPHATIC HYDROCARBONS
GAMMA RADIATION
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
HYDROXIDES
INORGANIC ACIDS
IONIZING RADIATIONS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
POLYMERIZATION
POLYMERS
POLYVINYLS
POTASSIUM COMPOUNDS
POTASSIUM HYDROXIDES
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS