测试不同储存时间下的硅烷接枝聚乙烯的熔体流动速率和硅烷交联聚乙烯电缆料在挤出机中停留不同时间后挤出物的表面状况、凝胶含量等。

By testing the MFR of silane grafted PE with different preservation time, and the surface condition and the gel content of the silane grafted extrudates with different retention time in extruder.

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通过熔体强度、熔体黏度测试和熔体流动速率(MFR)、凝胶含量的变化研究了试剂体系对接枝交联改性的作用。

The effects of the agent system on the modification were investigated by testing melt-strength, melt viscosity, the changes of melt flow rate (MFR) and gel content.

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结果表明，聚丙烯与较高熔体流动速率的聚乙烯共混后，其型坯直径膨胀的变化范围较宽，垂伸较明显。

The results showed that the swelling range of parison diameter of pp blended with higher MFR PE is wider and its parison sag is more apparent.

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