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公开(公告)号：EP2427328A1
公开(公告)日：2012-03-14
申请号：EP10719851.7
申请日：2010-05-05
发明人： BABINSKY, Vladislav, A. , ARENANDER, Sven, S. , NEWMAN, Dobbie, C. , BABCOCK, Bruce, W. , HAWES, David, H.
CPC分类号： B32B29/002 , B31B50/62 , B32B3/26 , B32B5/16 , B32B5/20 , B32B9/02 , B32B9/06 , B32B15/12 , B32B23/06 , B32B27/10 , B32B27/18 , B32B27/205 , B32B27/22 , B32B27/302 , B32B27/306 , B32B27/32 , B32B29/005 , B32B29/007 , B32B29/02 , B32B29/04 , B32B2255/12 , B32B2255/26 , B32B2260/025 , B32B2260/046 , B32B2262/06 , B32B2264/06 , B32B2266/0207 , B32B2266/0228 , B32B2266/0242 , B32B2266/025 , B32B2270/00 , B32B2307/304 , B32B2307/7163 , B32B2307/7246 , B32B2439/70 , B65D3/06 , B65D3/28 , B65D81/3874 , Y10T156/10 , Y10T428/13 , Y10T428/1303 , Y10T428/1352 , Y10T428/1393 , Y10T428/24851 , Y10T428/2495 , Y10T428/249953 , Y10T428/249962 , Y10T428/249974 , Y10T428/253 , Y10T428/26 , Y10T428/31703 , Y10T428/31895 , Y10T428/31899 , Y10T428/31902 , Y10T428/31975 , Y10T428/31982 , Y10T428/31993 , Y10T428/31996
摘要： A packaging material with enhanced thermal-insulating performance is disclosed that includes a paper-based substrate and a thermal-insulating layer positioned on at least one surface of the substrate. The thermal-insulating layer contains void structure and is derived from a fluid thermal-insulating composition comprising: 20% to 70% weight of filler; 15% to 70% weight of organic binder; 0.5% to 10 weight of plasticizer; and 10% to 15% weight of moisture, based on the total thermo-insulating composition weight. When desired, the disclosed packaging material may further include a paper-based top layer such that the thermal-insulating layer is positioned between the paper-based substrate and the paper-based top layer. The disclosed packaging material may be used in the formation of thermo-insulating containers such as food bowls and beverage cups, as well as the sleeve components to impart thermo-insulating performance to packaging containers.
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