• 消费者食品的包装
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消费者食品的包装

  • 23/11/2018 09:15:11

纤维素基材(即原纸)的上蜡处理,在20世纪50年代即开始迅速增加。上蜡处理的牛奶纸盒成为蜡料的主要市场。只过了几年时间,聚乙烯就成为上蜡最受欢迎的牛奶纸盒涂料。蜡料消耗量迅速下降。但是丧失了牛奶盒市场的蜡料,靠浸渍瓦楞纸板、高性能添加剂和新的高生产率实用机械的发…

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