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聚酰胺的介电性能:聚己二酰己二胺和聚己二酰癸二胺。

Dielectric Properties of Polyamides: Polyhexamethylene Adipamide and Polyhexamethylene Sebacamide.

作者信息

Curtis Alexander J

出版信息

J Res Natl Bur Stand A Phys Chem. 1961 May-Jun;65A(3):185-196. doi: 10.6028/jres.065A.022. Epub 1961 Jun 1.

DOI:10.6028/jres.065A.022
PMID:32196236
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5287278/
Abstract

The dielectric relaxation in two polyamides has been studied over a temperature range from -100 to 175 °C and a frequency range from 50 c/s to 10 Mc/s. The effects of various thermal treatments on the relaxation behavior and density, X-ray diffraction, and intrinsic viscosity have been studied. The polyamides were poly(hexamethylene adipamide) and poly(hexamethylene sebacamide). Four relaxation phenomena have been identified. Mechanical relaxation processes are compared with the dielectric phenomena and possible molecular mechanisms are discussed.

摘要

在-100至175°C的温度范围和50赫兹至10兆赫兹的频率范围内,对两种聚酰胺中的介电弛豫进行了研究。研究了各种热处理对弛豫行为以及密度、X射线衍射和特性粘度的影响。聚酰胺为聚(己二酰己二胺)和聚(癸二酰己二胺)。已识别出四种弛豫现象。将机械弛豫过程与介电现象进行了比较,并讨论了可能的分子机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ae/5287278/5d966830a1de/jresv65an3p185_a1bf10.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ae/5287278/f35b3f1adb9a/jresv65an3p185_a1bf2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ae/5287278/94a621e9d9d8/jresv65an3p185_a1bf7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ae/5287278/380d82fc0cd1/jresv65an3p185_a1bf8.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31ae/5287278/5d966830a1de/jresv65an3p185_a1bf10.jpg

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