现在不少家庭、食堂、饭店、宾馆的餐桌上,都铺有一块彩色或白色聚氯乙烯塑料布,看起来美观大方、清洁卫生,其实很不卫生。这是因为聚氯乙烯树脂虽然无毒,但它含有游离的单体氯乙烯是有毒物质。餐具接触塑料布后,这种有毒物质就能通过餐具经口腔及消化道进入人体,使人慢性中毒,从而危害人体健 Now many families, canteens, restaurants, hotels, dining table, are covered with a color or white PVC plastic sheeting, it looks elegant, clean, in fact, very unhygienic. This is because polyvinyl chloride resin, although non-toxic, contains free monomer vinyl chloride as a toxic substance. Tableware in contact with plastic sheeting, this toxic substances will be able to enter the body through the tableware through the oral cavity and the digestive tract, chronic poisoning, thus endangering human health