RU98109695A - METHOD FOR DETERMINING DIELECTRIC CHARACTERISTICS OF POLYMERS - Google Patents
METHOD FOR DETERMINING DIELECTRIC CHARACTERISTICS OF POLYMERSInfo
- Publication number
- RU98109695A RU98109695A RU98109695/09A RU98109695A RU98109695A RU 98109695 A RU98109695 A RU 98109695A RU 98109695/09 A RU98109695/09 A RU 98109695/09A RU 98109695 A RU98109695 A RU 98109695A RU 98109695 A RU98109695 A RU 98109695A
- Authority
- RU
- Russia
- Prior art keywords
- transducer
- dielectric
- determining
- primary
- constant
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims 2
- 239000000463 material Substances 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
Claims (1)
где ε0 - электрическая постоянная, C0 - входная емкость измерительной системы, - средний квадрат эдс шума предварительного усилителя, приведенный к его входу, k - постоянная Больцмана, Δf - полоса частот, f - частота измерений.The method for determining the dielectric characteristics of polymers, which consists in placing the test material at a known temperature T in a capacitor primary measuring transducer, determining its electro-fluctuation parameters and calculating the dielectric characteristics from the measurement results, characterized in that it is parallel to the primary transducer with the test material as the dielectric layer connected incremental resistance R dm and changing its magnitude are measured and maxi cial value of the mean square of voltage fluctuations in the electrical terminals of the transducer the analyzed sample is removed from the primary transducer, the distance between the transducer electrodes corresponding to the thickness of the sample d is established, and the average square of the voltage of electric fluctuations when connected to the transducer is measured the dielectric constant ε ′ and the dielectric loss tangent tanδ are calculated by the formulas
where ε 0 is the electric constant, C 0 is the input capacitance of the measuring system, is the average square of the emf of the noise of the preliminary amplifier reduced to its input, k is the Boltzmann constant, Δf is the frequency band, f is the measurement frequency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU98109695A RU2166768C2 (en) | 1998-05-20 | 1998-05-20 | Technique determining dielectric characteristics of polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU98109695A RU2166768C2 (en) | 1998-05-20 | 1998-05-20 | Technique determining dielectric characteristics of polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
RU98109695A true RU98109695A (en) | 2000-03-20 |
RU2166768C2 RU2166768C2 (en) | 2001-05-10 |
Family
ID=20206309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU98109695A RU2166768C2 (en) | 1998-05-20 | 1998-05-20 | Technique determining dielectric characteristics of polymer |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2166768C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2547349C1 (en) * | 2013-12-17 | 2015-04-10 | Открытое акционерное общество "Обнинское научно-производственное предприятие "Технология" | Transmitter to monitor dielectric properties of polymer material |
RU2563581C1 (en) * | 2014-07-15 | 2015-09-20 | Общество с ограниченной ответственностью "АПСТЕК Лабс" | Remote determination of dielectric constant of dielectric object |
-
1998
- 1998-05-20 RU RU98109695A patent/RU2166768C2/en active
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