DAMPING PERFORMANCE OF EUCOMMIA ULMOIDES GUM

被引：0
|
作者：
薛兆弘 [1 ]
机构：
[1] Institute of Chemistry,Chinese Academiy of Science
来源：
Chinese Journal of Polymer Science | 2011年 / 29卷 / 02期
关键词：
EU gum; Gutta percha; Crystalline characteristic; Damping property; Hysteresis loss;
D O I：
暂无
中图分类号：
TQ317 [高分子化合物产品];
学科分类号：
0805 ; 080502 ;
摘要：
Eucommia ulmoides gum(EU gum),known as gutta percha in Southeast Asia,is a natural polymer with double characteristics of rubber and plastic.In present paper,tanδ-T curve and hysteresis loss(HL) were chosen to characterize its damping property.The results indicated that its tanδvalue would increase with rising of temperature when T>0℃and form another damping peak at 40-80℃besides Tpeak.This phenomenon resulted from meltage of crystals of EU gum could increase its damping property at ambient-high temperature.Its tanδvalue even exceeded those of conventional damping rubbers,such as nitrile-butadiene rubber(NBR) and chlorinated isobutene-isoprene rubber(CIIR).
引用
收藏
页码：157 / 163
页数：7
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