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Citation: Cao Wan-Qiang, Li Jing-De. Effect of Polarization Cooling in Polypropylene[J]. Acta Physico-Chimica Sinica, ;1999, 15(10): 943-947. doi: 10.3866/PKU.WHXB19991015 shu

Effect of Polarization Cooling in Polypropylene

1.
Department of Physics,Hubei University,Wuhan 430062

Received Date: 30 December 1998
Available Online: 15 October 1999

The effect of polarization cooling in polypropylene has been studied. It is found that the polarization increases during quenching process. Further analysis by use of cyclic polarization TSC method where polarizing temperature changes from T p to T 0 then returns to T p shows that when T p is lower than the peak temperature, peak value increases and when T p is higher, the upper side of the peak extends. The polarization cooling strengthens the ability of polymer chains to bound the polarized charges.
- Polypropylene,
- Polarization,
- Thermally stimulater current
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