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公开(公告)号:US20190062514A1
公开(公告)日:2019-02-28
申请号:US16080445
申请日:2017-02-28
发明人: Keiichi SASAKI , Shinji SAKAMOTO
摘要: The present invention provides a polyethylene-based resin composition for a foamable laminate which contains a polyethylene-based resin (A) satisfying the following properties (a-1) to (a-3): (a-1) MFR is 6 g/10 minutes or more and less than 20 g/10 minutes; (a-2) the density is from 0.920 to 0.930 g/cm3; and (a-3) the ratio of eluates at an elution temperature of 70° C. or higher is from 47 to 83% by weight in the elution curve obtained by a temperature rising elution fractionation (TREF) with o-dichlorobenzene.
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公开(公告)号:US20170361586A1
公开(公告)日:2017-12-21
申请号:US15538518
申请日:2015-12-22
发明人: Keiichi SASAKI , Shinji SAKAMOTO
CPC分类号: B32B27/10 , B32B1/02 , B32B5/20 , B32B5/22 , B32B27/16 , B32B27/18 , B32B27/32 , B32B29/007 , B32B2250/02 , B32B2250/03 , B32B2266/0214 , B32B2266/025 , B32B2270/00 , B32B2307/304 , B32B2307/50 , B32B2307/51 , B32B2307/70 , B32B2307/714 , B32B2307/72 , B32B2307/7242 , B32B2307/7246 , B32B2439/02 , B32B2439/70 , B65D65/40 , B65D81/38 , C08J9/12 , C08L23/08
摘要: The present invention provides a polyethylene resin composition for a foamable laminate which gives foamed cells having sufficient height and good appearance (foamed layer), even in the case of machining under high speed conditions at the time of extrusion lamination, a foamable laminate, a method for producing the same, a foamed converted paper, and a heat insulating container. The invention relates to a polyethylene resin composition for a foamable laminate, which is used for forming a polyethylene-based resin layer (I) for foaming on at least one side of a substrate mainly composed of paper, wherein the resin composition comprises a polyethylene-based resin (A) and satisfies the following properties (a-1) to (a-4):(a-1) the melt flow rate (MFR) of the polyethylene-based resin (A) as measured in accordance with JIS K7210 (190° C., a load of 21.18N) is 7 g/10 minutes or more and less than 20 g/10 minutes, (a-2) the density of the polyethylene-based resin (A) in accordance with JIS K7112 at a test temperature of 23° C. is from 0.900 to 0.930 g/cm3, (a-3) the oxygen induction time (OIT) at 180° C. is 10 minutes or more and less than 190 minutes, (a-4) the memory effect (ME) of the polyethylene-based resin (A) as measured using a melt indexer to be used in JIS K7210 and under conditions of a cylinder temperature of 240° C. and a constant-rate extrusion output of 3 g/minute is less than 2.0.
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