天气预报 > 生活 > 对人体安全无毒的食品袋是哪一种
对人体安全无毒的食品袋是哪一种
更新时间: 2021-12-05 16:14:40  

聚乙烯袋。现使用的塑料袋,主要有聚脂、聚乙烯、聚丙烯、聚苯乙烯、聚氯乙烯等几种,其中,聚乙烯、聚丙烯是安全的塑料,可以用来盛装食品。多数聚氯乙烯塑料袋有毒,不能包装食品。因为聚氯乙烯树脂中未聚合的氯乙烯单体会对人体产生毒害。而且,聚氯乙烯树脂在加工成塑料袋的过程中,还要加入一些增塑剂、颜料等有毒的辅助材料。

关键词: 人体 安全 无毒 食品袋

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