2023
DOI: 10.31857/s1028096023060195
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Spontaneous Formation of Potassium Hydrofluoride during Aging of a Partially Dehydrofluorinated PVDF Film

V. E. Zhivulin,
L. A. Pesin,
S. E. Evsyukov
et al.

Abstract: IR spectroscopy, X-ray phase analysis and scanning electron microscopy were used to study the spontaneous formation and increase in the amount of potassium hydrofluoride in the inner region of a sample of a partially chemically dehydrofluorinated PVDF film during its long-term aging. The most probable mechanism for the synthesis of potassium hydrofluoride is the oxidative degradation of the sample with the formation of fluorocarbonyl groups and their subsequent hydrolysis under the action of atmospheric water.… Show more

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