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材料研究学报  1993, Vol. 7 Issue (1): 61-65    
  研究论文 本期目录 | 过刊浏览 |
链结构对偏氟乙烯铁电共聚物介电性质的影响
张兴元
中国科学技术大学
EFFECT OF CHAIN STRUCTURE ON THE DIELECTRIC PROPERTIES OF VINYLIDENE FLUORIDE FERROELECTRIC COPOLYMERS
ZHANG Xingyuan (University of Science and Technology of China)
引用本文:

张兴元. 链结构对偏氟乙烯铁电共聚物介电性质的影响[J]. 材料研究学报, 1993, 7(1): 61-65.
. EFFECT OF CHAIN STRUCTURE ON THE DIELECTRIC PROPERTIES OF VINYLIDENE FLUORIDE FERROELECTRIC COPOLYMERS[J]. Chin J Mater Res, 1993, 7(1): 61-65.

全文: PDF(465 KB)  
摘要: 用改进的介电松弛谱仪(精度2‰)测定了VDF(52)/TrFE(48)和VDF(47.5)/TrFE(47.5)/HeFP(5)在-120—140℃,10~(-2)-10~4Hz 范围的复数介电常数。介电松弛研究结果显示5mol%的HeFP 导致三元共聚物T_c 下降(30℃),非晶松弛强度减弱,T_g 降低(3℃),并引起局域松弛活化能升高(10.1kJ/mol),松弛时间增长。
关键词 偏氟乙烯/三氟乙烯共聚物六氟丙烯介电松弛    
Abstract:The complex dielectric constants of VDF(52)/TrFE(48)andVDF(47.5)/TrFE(47.5)/HeFP(5)in the range of-120-40℃,10~(-2)—10~4 Hz were measured bythe improved dielectric relaxation spectrometer.Because 5mol% vinylidene fluoride(VDF)wassubstituted by hexafluoro-p
Key wordsVDF(52)/TrFE(48)    VDF(47.5)/TrFE(47.5)/HeFP(5)    dielectric relaxation
收稿日期: 1993-02-25     
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