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由乙烯聚合而成的高分子化合物。呈乳白色。电绝缘性能好，耐腐蚀，具热塑性，手感似蜡。可制得不同密度(092～096克/厘米3)的产物。密度高的其刚性、熔点和硬度等也高。可制造农用薄膜、包装袋、容器、管道、日用器皿等。

• The surface energy parameter results indicate that the polarity of polyethylene tends to be increased.

  表面能参数的结果表明，随纳米颗粒的加入，聚乙烯的极性有提高的趋势。

• vinylon is a synthetic fiber spun from pva . its properties are similar to that of cotton . compared with cotton , vinyl o . .

  维尼纶是以聚乙烯醇为原料纺成的合成纤维，其性能与棉花相似，与棉花相比又有强伸度大耐磨性好吸湿性强的优点。

• If you can find any containers made of polyethylene, these can be used to store the water out of sunlight.

  如果你找到了用聚乙烯做成的容器，可用来在无阳光时储存水。

• Comparing with PP, PE is not easy to be photo-oxidized.

  与聚丙烯相比，聚乙烯的光氧化过程进行的比较缓慢。

• At least one surface of the substrates is coated with a polyvinyl alcohol polymer to render the substrates resistant to oil and grease.

  采用聚乙烯醇聚合物涂布基材的至少一个表面以使基材耐由和油脂。

• This paper analyses the category of and causes to the surface defects during extrusion of polyethylene and presents counter-measures.

  本文对聚乙烯挤出过程中表面缺陷种类和产生原因进行了分析，并提出了解决的措施。

• The coating service life was directly affected by the surface quality disposed of steel pipe and polyethylene merging.

  钢管的表面处理质量和聚乙烯类材料的熔体行为直接影响着防腐层的使用寿命。

• Low - density polyethylene Astro- Foam Renew is lint - free, easy - to - use and reuse.

  低密度聚乙烯天文泡沫续订是皮棉免费，易于使用和再利用。

• In most cases, polyethylene was the main product and higher carbon number olefins usually accounted for the majority of the oligomers.

  多数情况下，聚乙烯为催化反应的主产物，齐聚物中也是以高碳数烯烃为主。