防水卷材用TPO材料毛细管流变性能研究  

Study on Capillary Rheological Properties of TPO Materials for Waterproofing Membrane

作　　者：王文斌[1] 王晓莉[1] 杨胜[1] 孟赟[1] 

机构地区：[1]中国建筑材料科学研究总院苏州防水研究院,江苏苏州215008

出　　处：《中国建筑防水》2014年第8期7-9,20,共4页China Building Waterproofing

摘　　要：采用Haake转矩流变仪研究了3种防水卷材用TPO材料在180℃、200℃和220℃下的流变行为。结果表明三种TPO熔体的黏度均随着剪切速率的增加和温度的升高而降低;计算得出了3种TPO熔体的流动活化能和非牛顿指数。利用流变数据可对TPO防水卷材的配方进行筛选,并对生产工艺进行优化。Rheological behaviors of three TPO materials at 180 ~C, 200 ~C and 220 ~C were studied by Haake torque rheometer. The results showed that the viscosities of three TPO materials decreased with the increasing of shear rate and temperature. Flow activation energies and non Newtonian indexes of three TPO materials were calculated too. The formulation of TPO waterproofing membrane can be screened according to the rheological data, as well as the optimization Of production process.

关 键 词：防水卷材用TPO 流变性能 加工条件 Haake转矩流变仪 

分 类 号：TU57[建筑科学—建筑技术科学]