[1]施明恒,宗祥康.聚氨酯泡沫塑料的导热系数和热老化机理[J].东南大学学报(自然科学版),1989,19(1):32-39.[doi:10.3969/j.issn.1001-0505.1989.01.005]
 Shi Mingheng,Zong Xiangkang.Thermal Conductivity and Aging of the Polyurethane Foam[J].Journal of Southeast University (Natural Science Edition),1989,19(1):32-39.[doi:10.3969/j.issn.1001-0505.1989.01.005]
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聚氨酯泡沫塑料的导热系数和热老化机理()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
19
期数:
1989年第1期
页码:
32-39
栏目:
本刊信息
出版日期:
1989-01-20

文章信息/Info

Title:
Thermal Conductivity and Aging of the Polyurethane Foam
作者:
施明恒宗祥康
东南大学动力工程系
Author(s):
Shi Mingheng Zong Xiangkang
Department of Power Engineering
关键词:
聚氨酯 导热系数 泡孔 老化 气体扩散/显微技术 表观导热系数 扩散系数
Keywords:
polyurethane thermal conductivity foam aging gas diffusion micrography technique apparent thermal conductivity diffusion/coefficient
分类号:
+
DOI:
10.3969/j.issn.1001-0505.1989.01.005
摘要:
通过对聚氨酯泡沫塑料结构的显微观察,分析了微观结构对导热系数的影响。利用气体分子扩散理论,分析了泡沫塑料导热系数随时间变化的机理,导出了一个泡沫材料导热系数的计算公式。计算值和实验测定值能较好地符合。
Abstract:
The foam microstructure of polyurethane is observed by use of the micrography technique. The effects of foam microstructure on thermal conductivity for the polyurethane are investigated. According to the gas diffusion theory the mechanism of thermal aging of the polyurethane is analysed and an equation for calculating the apparent thermal conductivity of the foam material is derived. It is found that the agreement between the calculated and experimental results is satisfactory.

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更新日期/Last Update: 2013-04-30