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我国粮食包装存在的问题1.包装材料的环保问题目前,我国粮食包装主要是编织袋、复合塑料袋,而这些包装袋在运输、装卸、零售等环境存在诸多问题需要解决。塑料编织袋是用塑料薄膜(聚乙烯、聚丙烯、尼龙等薄膜)制成一定宽度的窄带,或用热拉伸法得到强度高,延伸率小的塑料扁带编
Problems in China’s food packaging 1 environmental protection of packaging materials At present, China’s food packaging is mainly woven bags, composite plastic bags, and these bags in the transport, handling, retail and other environment there are many problems to be solved. Plastic woven bag is made of plastic film (polyethylene, polypropylene, nylon and other films) made of a narrow width, or by hot drawing method to obtain high strength, low elongation plastic flat ribbon