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.

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.