Determination of Thermal Conductivity of Polymeric Liquid of Butyl Rubber

王琮玉; 杨孟林; 吴子庭; 李根娣

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Determination of Thermal Conductivity of Polymeric Liquid of Butyl Rubber

更新时间：2025-12-16

- Determination of Thermal Conductivity of Polymeric Liquid of Butyl Rubber
- CIESC Journal Issue 2, (1985)
- 作者机构：
  
  西北大学,西北大学,兰州化学工业公司研究院,兰州化学工业公司研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1985，
  
  Published：25 June 1985
- 稿件说明：
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王琮玉, 杨孟林, 吴子庭, et al. Determination of Thermal Conductivity of Polymeric Liquid of Butyl Rubber[J]. CIESC Journal, 1985, (2).
DOI：

王琮玉, 杨孟林, 吴子庭, et al. Determination of Thermal Conductivity of Polymeric Liquid of Butyl Rubber[J]. CIESC Journal, 1985, (2). DOI：

摘要

用比较瞬时法测定了丁基橡胶聚合淤浆在-100℃下的导热系数.求出了导热系数与转化率的关系

单体浓度为20%时:λ×10~4=18.466-0.04266x+2.1213ln(x/3+1)/(a+3)单体浓度为30%时:λ×10~4=17.135-0.02564x+4.4192ln(x/3+1)/(X+3)式中x为干胶含量的百分数

实验值与方程计算值的偏差在±1%以内.同时又测定了氯甲烷-异丁烯混合液在-99℃下的导热系数

求出了混合液浓度与导热系数的关系曲线.并对实验结果进行了讨论.

Abstract

The thermal conductivity of polymeric liquid of butyl rubber was determined at-100℃ by the transient method. The relations between thermal conductivity and conversion were obtained for two concentrations of iso- butylene: 20%

λ* 104 = 18.466 - 0.04266x+ 2.1213ln(x/3+1)/(x+3)30%

λ×104 = 17. 135-0.02564x+4.4192ln((x/3+1)/(x+3) Deviations of the experimental values from the calculated were well within ±1%. The thermal conductivities of liquid mixtures of chloromethane and isobutylene were also determined and plotted against concentration. The results of experiments were discussed.

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