国外对聚氯乙烯作为原料的食品容器和包装材料的安全问题,已引起了严重关注,美国联邦食品医药局(FDA)1975年8月提出禁止使用聚氯乙烯制作的容器和包装(包括食品和药品)。这是由于聚氯乙烯中氯乙烯单体析出能引起肝脏患病等原因。国内有的单位根据实验初步调查,认为使用聚氯乙烯塑料薄膜脱氧保存大米,在14个月内,薄膜没有对大米 Foreign concerns about the safety of food containers and packaging materials using PVC as a raw material have caused serious concern. The United States Federal Food and Drug Administration (FDA) proposed in August 1975 prohibiting the use of polyvinyl chloride containers and packaging (including food and drug). This is due to PVC in PVC monomer precipitation can cause liver disease and other reasons. Some domestic units according to the preliminary investigation, that the use of PVC plastic film deoxidation preservation of rice, in 14 months, the film did not rice