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Citation: Chen Min, Yu Shao-Min, Shen Han, Li Jing-De. The Structure and Time Domain Dielectric Spectroscopy of Polydimethlsiloxane[J]. Acta Physico-Chimica Sinica, ;1998, 14(12): 1108-1111. doi: 10.3866/PKU.WHXB19981210 shu

The Structure and Time Domain Dielectric Spectroscopy of Polydimethlsiloxane

1.
Department of Physics,Zhongshan University,Guangzhou 510275

Received Date: 30 December 1997
Available Online: 15 December 1998

The dielectric spectroscopy of polydimethylsiloxane is measured in temperature range of 190 to+120℃ The variation of frequency domain dielectric constant is very small, but time domain slow dielectric constants have high peaks at 120 and +80℃. According to H31 structure of molecule, the results can be explained. The time domain method can detect trace impurity of water to2×10-7 in polydimethylsiloxane.
- Polydimethylsiloxane,
- Dielectric spectroscopy,
- Slow polarization effect
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