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導致食品塑料包裝袋有氣味的原因有哪些

2021/01/21 分類:材料新聞 2987 0

食品塑料包裝袋是我們日常生活中常見的一種包裝，它不僅可以有效的對食品進行保質保期，包裝後還方便運輸到各個地方進行銷售。

而衆所周知，我們生産出來的食品塑料包裝袋是没有气味的，若是有出现气味话，对于食品的影响是非常大的，下面就为大家介绍一下，導致食品塑料包裝袋有氣味的原因有哪些?

首先是殘留溶劑：食品塑料包裝袋在复合过程中的有机溶剂没有挥发掉，当“残留溶剂”的含量低标准值时，人的嗅觉不会感觉到它的存在，也就不会对包装后的食品味道产生影响。当“残留溶剂”的含量大于标准值时，人的嗅觉就能感应到它的存在，当消费者打开这种高“残留溶剂”的食品包装袋之后，就可能闻到有别于食品的“异味”。

其次是樹脂氧化臭味：擠出複合是複合軟包裝材料的另一種複合工藝。在此工藝中，需要將粒狀的塑料樹脂在高溫下融化，並通過模頭塗布在其他基材上然後冷卻成型。如果溫度過高，塑料樹脂就會氧化分解，産生所謂的“樹脂氧化臭味”，這種“異味”可通過嚴格控制生産工藝條件予以消除。

最後是使用了再生料生産：所謂的再生料就是經過使用後回收回去處理過再次使用的材料，這樣的材料經過使用以後就會造成汙染，會有刺鼻的味道，經過汙染的産品對人的身體就會造成傷害。

以上是对于“導致食品塑料包裝袋有氣味的原因有哪些”的介绍，希望对您有所帮助。飞富润包装彩印是一家专业的食品塑料包裝袋生产厂家，若您有需要的话可直接联系在线客服，获取相关资料。

本文出自泉州市飛富潤包裝彩印有限公司，轉載請注明出處：/2086.html

上一篇: 導致食品包裝袋褪色的原因有哪些下一篇: 怎么去辨别鋁箔袋的质量

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