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公开(公告)号:US20100247725A1
公开(公告)日:2010-09-30
申请号:US12667431
申请日:2008-07-01
CPC分类号: A23B7/148 , B65D81/24 , B65D85/34 , B65D2565/388 , C08L67/00 , C08L67/025 , C08L71/02 , C08L2205/05 , C08L2666/18
摘要: The present invention relates to the use of a packaging material in the construction of a container for respiring produce, wherein the packaging material consists of a polyether-ester block copolymer or a blend of polyether-ester block copolymers and which packaging material has all of the following properties: a) permeability for oxygen is at least 40 cc.mm/m2.day.atm at 10° C. b) permeability for carbon dioxide is at least 600 cc.mm/m2.day.atm at 10° C. c) perm selectivity of carbon dioxide to oxygen is at least 10 d) water vapour transmission is at least 0.5 g.mm/m2.day at 10° C. and 85% RH and e) wherein the dimensions of the packaging material are chosen so as to allow oxygen to enter into the container at a rate lower than 110% of the respiration rate of the produce The invention also relates to a container made from the packaging material.
摘要翻译: 本发明涉及包装材料在构造用于呼吸产品的容器中的用途,其中包装材料由聚醚 - 酯嵌段共聚物或聚醚 - 酯嵌段共聚物的共混物组成,并且包装材料具有所有 以下性质:a)氧气渗透性在10℃时至少为40cc.mm/m2.day.atm。b)二氧化碳的渗透性在10℃时至少为600cc.mm/m2.day.atm。 c)二氧化碳对氧的烫发选择性为至少10天)在10℃和85%RH下水蒸汽透过率至少为0.5g.mm/m2.day,e)选择包装材料的尺寸 以便允许氧以低于产品呼吸速率的110%的速率进入容器本发明还涉及由包装材料制成的容器。