Adding of LDPE causes the melt strength to grow but the stretching and bending strength to decrease.
低密度聚乙烯用量增加时，熔体强度会有所上升，但力学性能会下降。 总的说来，熔体强度高的产物冲击强度较高，但拉伸强度和弯曲强度有下降的倾向。
参考来源 - 高熔体强度聚丙烯的研究Based on this view, we select LDPE as the fundamental resin, design a series of experiments.
基于这种考虑我们选用低密度聚乙烯作为基体树脂设计了一系列试验。
参考来源 - 纳米氧化锌/低密度聚乙烯复合材料的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The effects of heating, tensile and high pressure treatments on the aggregate structure of low density polyethylene (PE-LD) samples were studied using a modulated DSC (MDSC).
采用调制式DSC分别对热、拉伸及高压处理后低密度聚乙烯的聚集态结构变化特点作了研究。
The effect of metal compounds and carbon black on the afterglowing characteristic of HIPS and PE-LD was studied, the possible mechanism of afterglowing was explored.
采用锥形量热仪研究了金属化合物、还原性物质等添加剂对HIPS及PE-LD阴燃特性的影响，以及炭黑等填料在阴燃中的作用，并且对阴燃机理作了初步探索。
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