書誌事項
- タイトル別名
-
- Measurements of Permittivity and Conductivity of Adsorbed Polymer by Membrane Using 4 Terminals Method.
- 4 デンキョクホウ ニヨル マク ニ キュウチャクシタ コウブンシ ブッシツ
この論文をさがす
説明
In order to solve the problems in fouling and antithrombus, it is important to measure the permittivity and the conductivity of polymers adsorbed on hydrophobic and hydrophilic membranes. However, it has not been able to make acculate measurement of the capacitance of membranes adsorbing polymers at low frequency, because of the electrode polarization. We, thus, have utilized the 4 terminals method where the voltage and the electric current were mesured by using different elecrodes, to minimize the effect of electrode polarization. Using the above method, we measured the dielectric relaxation of Polycarbonate (PC) and Poly (tetrafluoroetylene) (PTFE) membranes adsorbing Poly (vinylpyrrolidone). In case of the PC membranes, the dielectric relaxation was not observed. On the other hand in case of the PTFE membranes, the relaxation was observed only when the amount of Polyvinylpyrrolidone was small. The permittivity of membrane was independent of the amount of adsorbed polymer, on the other hand, the conductivity of the membrane increased with increasing the adsorbed polymer, indicating that the hydrophobic membranes turned to hydrophylic.
収録刊行物
-
- 膜
-
膜 20 (6), 430-437, 1995
日本膜学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390001206422186496
-
- NII論文ID
- 10009855707
-
- NII書誌ID
- AN0023215X
-
- ISSN
- 18846440
- 03851036
-
- NDL書誌ID
- 3639971
-
- 本文言語コード
- ja
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可
