• 中空板塑料的渗透特性
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中空板塑料的渗透特性

  • 27/02/2019 09:21:02

塑料被制成薄膜后,对气体与水具有渗透性(即塑料的透气与透湿性),同时这种渗透性具有选择性透过的特点,不同的塑料膜对同一渗透物的透过率不同。影响塑料渗透性的因素方面,如在大分子中有无极性基团、分子间作用力的大小、结晶度与晶格尺寸,大分子交联度、取向度及添加剂等…

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