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true

RETAIN™ 聚合物改性剂

增容剂能有多好?

每年有数百万磅多种材料的薄膜最终被填埋。而且,它也不必再发生。RETAIN™聚合物改性剂的成功开发使得多层阻隔薄膜能够被有效回收。RETAIN™改善了回收薄膜的光学特性和可再加工性。曾经被认为是难以回收的薄膜,现在可以在 PE 回收流中回收,而不会影响回收产品。

阻隔薄膜废料的难题

迄今为止,含有EVOH、尼龙等极性聚合物的薄膜很难回收。它们无法分散到聚烯烃基质中,实现回收和重复使用。此前的回收尝试发现,材料的可加工性会降低并影响光学特性。 而对许多品牌商和生产商而言,这是两大关键性能要求。

化解阻隔薄膜废料难题  

RETAIN™聚合物改性剂采用陶氏开发的创新回收增容剂技术。极性成分的包覆和分散效果良好。进一步混合后,生产商可制造出新的“再生”薄膜,而不牺牲物理或光学性能,在某些情况下还可能会改善这些方面。   

其他益处也是可能的,包括明显的可持续优势和节约大量成本:

  • 采用RETAIN™聚合物改性剂的PE/EVOH薄膜已获批,准用SPC的How2Recycle 标志
  • 可能会消除或降低废料收集、包装和销售相关的成本 
  • 有机会提升回收物料利用效果(与低价出售甚至付费处置相比)
  • 使用RETAIN™聚合物改性剂可显著减少阻隔薄膜回收产生的晶点。
  • 使用RETAIN™聚合物作为EVOH和PA基回收物的增容剂,有机会实现与对照薄膜相同的透明度。
  • 使用RETAIN™聚合物作为EVOH和PA基回收物的增容剂,有机会维持机械性能,尤其是保持或提升落标冲击强度。