液相凝胶渗透色谱法测定顺丁橡胶分子量分布

Measurement of cis-1,4-polybutadiene rubber molecular weight distribution with liquid gel permeation chromatography

顺丁橡胶具有优良的物理机械性能和使用性能,这种性能与分子量有着密切关系,并且受分子量分布的影响。研究了用液相凝胶渗透色谱法测定顺丁橡胶分子量分布的方法。该方法简便、快速准确、精密度高,适用于顺丁胶产品中分子量分布的测定。

Cis-1,4-polybutadiene rubber has the advantages of excellent physical and mechanical performances, and the performances are defined directly by the molecular weight, and are affected by molecular weight distribution. The measurement of cis-1,4-polybutadiene rubber molecular weight distribution with liquid gel permeation chromatography is studied. The method has the advantages of easy and fast operation, high accuracy. It is a good method for the measurement of cis-1,4-polybutadiene rubber molecular weight distribution.