• 聚合物聚乙烯的特性
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聚合物聚乙烯的特性

  • 12/09/2018 09:04:20

挤压式涂布是将纸张、薄膜和聚合物材料复合成多层结构的低成本且又方便的方法。其优点是熔融的聚合物直接施加到要被黏合的基片上,这样就省却了薄膜、输送、裁切和黏合的费用。通过共挤涂布(两层以上的基片从同一口模同时挤出)以及通过挤出复合(即将挤出聚合物作为施加另一种功…

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