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    彩钢瓦厂家详谈分子量小知识
    发布来源:http://www.jnjgcg.com/  2017-10-2 23:31:16 发布人:济南坚固彩钢
    随着工业技术的发展,彩钢瓦越来越的被大家了解、肯定,生活中随处可见它的身影,但是大家安装的真的合格吗,下面彩钢瓦厂家和我们一起详谈分子量小知识:

    With the development of industrial technology, more and more of the color steel tile is that we understand, certainly, life can be seen everywhere in its presence, but we really are qualified to install, the color steel tile manufacturers and together we dwell on small molecular weight of knowledge:

    济南彩钢瓦厂

    1、彩钢瓦的分子量即较高的分子量导致较高的聚合物粘度,不过粘度也与测试所用的温度和剪切速率有关。用流变或分子量测量对材料的分子量进行表征。
    1, the molecular weight of the color tile is higher molecular weight, resulting in higher viscosity of the polymer, but the viscosity is also related to the temperature and shear rate used in the test. The molecular weight of the material is characterized by rheological or molecular measurements.
    2、彩钢瓦一般具有的分子量范围是40000~300000,重均分子量大致与熔融指数范围相对应,即从100~0.29/10min。通常地,更高的增强了熔体强度、更好韧性和ESCR,但是更高MW使加工过程更难或且需要更高的压力或温度。
    2, color tile generally has a molecular weight range of 40000~300000, weight average molecular weight roughly corresponds to the range of melting index, that is, from 100~0.29/10min. Generally, higher melt strength, better toughness and ESCR, but higher MW make processing more difficult or require higher pressure or temperature.
    3、更常用的MWD测量指数是不匀度指数,它等于重均分子量(MW)除以数均分子量(Mn)。所有彩钢瓦的这个指数范围是4-30。
    3, the most commonly used MWD measurement index is the unevenness index, which is equal to the weight average molecular weight (MW) divided by the number average molecular weight (Mn). The index range for all color tiles is 4-30.
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