Vibrational spectrum of PVDF and its interpretation

Ye Bormashenko; R. Pogreb; O. Stanevsky; Ed Bormashenko

doi:10.1016/j.polymertesting.2004.04.001

Vibrational spectrum of PVDF and its interpretation

Ye Bormashenko, R. Pogreb, O. Stanevsky, Ed Bormashenko

פרסום מחקרי: פרסום בכתב עת › מאמר › ביקורת עמיתים

406 ציטוטים ‏(Scopus)

תקציר

IR spectra of poled and non-poled PVDF films were studied. Non-poled extruded samples were annealed and cooled at different cooling rates. Then, FTIR spectra of all samples were taken under scanning with different diaphragms. It was found that the spectra and their interpretation depend strongly on the scale of the scanning procedure for both poled and non-poled films. Scanning by a diaphragm with a diameter D close to the size of β-phase domains d reveals the presence of the β-phase in the annealed non-poled PVDF, whereas spectra obtained with a "large" diaphragm (D≫d) do not show discernable peaks inherent to the β-phase. Cooling rate influence on the β-phase contents is strong. When the diameter of the diaphragm D and size of crystalline γ inclusions are of the same magnitude, peak splitting is observed in the poled PVDF.

שפה מקורית	אנגלית
עמודים (מ-עד)	791-796
מספר עמודים	6
כתב עת	Polymer Testing
כרך	23
מספר גיליון	7
מזהי עצם דיגיטלי (DOIs)	https://doi.org/10.1016/j.polymertesting.2004.04.001
סטטוס פרסום	פורסם - אוק׳ 2004

גישה למסמך

10.1016/j.polymertesting.2004.04.001

קבצים וקישורים אחרים

Link to publication in Scopus

פורמט ציטוט ביבליוגרפי

@article{1254463465e44221848ba4147110f422,

title = "Vibrational spectrum of PVDF and its interpretation",

abstract = "IR spectra of poled and non-poled PVDF films were studied. Non-poled extruded samples were annealed and cooled at different cooling rates. Then, FTIR spectra of all samples were taken under scanning with different diaphragms. It was found that the spectra and their interpretation depend strongly on the scale of the scanning procedure for both poled and non-poled films. Scanning by a diaphragm with a diameter D close to the size of β-phase domains d reveals the presence of the β-phase in the annealed non-poled PVDF, whereas spectra obtained with a {"}large{"} diaphragm (D≫d) do not show discernable peaks inherent to the β-phase. Cooling rate influence on the β-phase contents is strong. When the diameter of the diaphragm D and size of crystalline γ inclusions are of the same magnitude, peak splitting is observed in the poled PVDF.",

keywords = "Boled, Cooling rate, IR spectrum, PVDF, Splitting of peaks, Thermal history, α, β, γ, δ-phases",

author = "Ye Bormashenko and R. Pogreb and O. Stanevsky and Ed Bormashenko",

note = "Funding Information: The work was supported by the Israel Ministry of Absorption. The authors are grateful to Professor Michael Zinigrad for his continuous support of our research activity.",

year = "2004",

month = oct,

doi = "10.1016/j.polymertesting.2004.04.001",

language = "אנגלית",

volume = "23",

pages = "791--796",

journal = "Polymer Testing",

issn = "0142-9418",

publisher = "Elsevier Ltd.",

number = "7",

}

TY - JOUR

T1 - Vibrational spectrum of PVDF and its interpretation

AU - Bormashenko, Ye

AU - Pogreb, R.

AU - Stanevsky, O.

AU - Bormashenko, Ed

N1 - Funding Information: The work was supported by the Israel Ministry of Absorption. The authors are grateful to Professor Michael Zinigrad for his continuous support of our research activity.

PY - 2004/10

Y1 - 2004/10

N2 - IR spectra of poled and non-poled PVDF films were studied. Non-poled extruded samples were annealed and cooled at different cooling rates. Then, FTIR spectra of all samples were taken under scanning with different diaphragms. It was found that the spectra and their interpretation depend strongly on the scale of the scanning procedure for both poled and non-poled films. Scanning by a diaphragm with a diameter D close to the size of β-phase domains d reveals the presence of the β-phase in the annealed non-poled PVDF, whereas spectra obtained with a "large" diaphragm (D≫d) do not show discernable peaks inherent to the β-phase. Cooling rate influence on the β-phase contents is strong. When the diameter of the diaphragm D and size of crystalline γ inclusions are of the same magnitude, peak splitting is observed in the poled PVDF.

AB - IR spectra of poled and non-poled PVDF films were studied. Non-poled extruded samples were annealed and cooled at different cooling rates. Then, FTIR spectra of all samples were taken under scanning with different diaphragms. It was found that the spectra and their interpretation depend strongly on the scale of the scanning procedure for both poled and non-poled films. Scanning by a diaphragm with a diameter D close to the size of β-phase domains d reveals the presence of the β-phase in the annealed non-poled PVDF, whereas spectra obtained with a "large" diaphragm (D≫d) do not show discernable peaks inherent to the β-phase. Cooling rate influence on the β-phase contents is strong. When the diameter of the diaphragm D and size of crystalline γ inclusions are of the same magnitude, peak splitting is observed in the poled PVDF.

KW - Boled

KW - Cooling rate

KW - IR spectrum

KW - PVDF

KW - Splitting of peaks

KW - Thermal history

KW - α

KW - β

KW - γ

KW - δ-phases

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U2 - 10.1016/j.polymertesting.2004.04.001

DO - 10.1016/j.polymertesting.2004.04.001

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AN - SCOPUS:3843098160

SN - 0142-9418

VL - 23

SP - 791

EP - 796

JO - Polymer Testing

JF - Polymer Testing

IS - 7

ER -

Vibrational spectrum of PVDF and its interpretation

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