Evaluation of thermal endurance characteristics of micro-cell polyurethane foams by dynamic compression modulus

被引：0
|
作者：
Adachi, H [1 ]
机构：
[1] Nagoya Municipal Ind Res Inst, Atsuta Ku, Nagoya, Aichi 4560058, Japan
来源：
KOBUNSHI RONBUNSHU | 2006年 / 63卷 / 06期
关键词：
polyurethane foam; plastic foam; dynamic modulus; viscoelastic measurement; thermal endurance;
D O I：
10.1295/koron.63.440
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
To evaluate of thermal endurance of foamed plastics, the time characteristics of dynamic compression modulus of six micro-cell polyurethane foams were investigated by dynamic viscoelastic measurements. The logarithm of time t, at which the compression dynamic modulus became 50% of its initial value, was found to be a linear function of the reciprocal of absolute temperature T-1. Thermal endurance characteristics can thus be evaluated from the linear relation between log t and T-1.
引用
收藏
页码：440 / 443
页数：4
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