Title:
熱収縮性フィルム、箱状包装資材及び電池セル
Document Type and Number:
Japanese Patent JP6471833
Kind Code:
B2
Abstract:
Provided is a heat-shrinkable film which can give a heat-sealed part prevented from having a hole or suffering adhesion failures and which after used in covering, is excellent in terms of durability and covering retentivity. The heat-shrinkable film is a single- or multilayered heat-shrinkable film which comprises, as a layer that constitutes at least one surface thereof, a surface layer comprising a copolyester as a main component, wherein a) the quantity of heat of crystal fusion (ΔHm) as determined by differential scanning calorimetry during heating at a rate of 10 ºC/min is 20 J/g or less, b) the absolute value of the fusion-bonding temperature difference (FT1-FT2) between the fusion-bonding temperature (FT1) for bonding one surface to itself and the fusion-bonding temperature (FT2) for bonding the other surface to itself is 20ºC or less, c) the degree of heat shrinkage in the main shrink direction through 10-second immersion in 80ºC water is 10-50%, and d) the percentage of neck-in after 10-second immersion in 70ºC water is 2.5% or less.
Inventors:
Shuji Kobayashi
Keita Ikeda
Masaki Miwa
Hiroki Saito
Shujiro Hori
Keita Ikeda
Masaki Miwa
Hiroki Saito
Shujiro Hori
Application Number:
JP2018525311A
Publication Date:
February 20, 2019
Filing Date:
June 30, 2017
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C08J5/18; B29C61/02; B32B7/028; B32B27/36; B65D65/40; H01M50/103
Domestic Patent References:
| JP2005131824A | ||||
| JP2007160544A | ||||
| JP2009184340A | ||||
| JP2011079229A | ||||
| JP2014534911A | ||||
| JP2012054029A | ||||
| JP2013033668A | ||||
| JP2004083717A | ||||
| JP63309424A |
Other References:
Eastar Copolyester 6763,Technical Data Sheet [online],米国,EASTMAN Chemical Company,2016年 4月11日,[平成29年7月20日検索],インターネット,,URL,http://ws.eastman.com/ProductCatalogApps/PageControllers/ProdDatasheet_PC.aspx?Product=71040786&sCategoryName=Generic#_ga=2.9231221.1772998951.1500523923-1764246701.1500523923
プラスチック成形加工データブック,日本,日刊工業新聞社,2002年 1月28日,第2版,p.24-p.27
プラスチック成形加工データブック,日本,日刊工業新聞社,2002年 1月28日,第2版,p.24-p.27
Attorney, Agent or Firm:
Sakai International Patent Office