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Patent Searching and Data


Title:
TEARABLE NON-STRETCHED RESIN FILM AND LAMINATED FILM FOR PACKAGING MATERIAL USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/016439
Kind Code:
A1
Abstract:
The purpose is to provide a resin film having tearability. A tearable non-stretched resin film comprising a blend of a polyethylene terephthalate resin and a second resin having a difference from the SP value of the polyethylene terephthalate resin of 1.1-4.0 (cal/cm3)0.5. Provided is a laminated film for a packaging material 1B equipped with this tearable non-stretched resin film 10 between an inner layer film 20 that serves as a heat seal surface and a surface layer film 30 comprising an isophthalic acid-modified polyethylene terephthalate resin in which the copolymer ratio of the isophthalic acid component is 0-5 mol%.

Inventors:
KAWAMURA SATOSHI (JP)
TOMITA JIRO (JP)
OHSAWA TAKAFUMI (JP)
OHTA YOSHIHIRO (JP)
HARA TAKUYA (JP)
Application Number:
PCT/JP2017/025744
Publication Date:
January 25, 2018
Filing Date:
July 14, 2017
Export Citation:
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Assignee:
TOYO KOHAN CO LTD (JP)
TOYO SEIKAN GROUP HOLDINGS LTD (JP)
TOYO SEIKAN KAISHA LTD (JP)
International Classes:
C08J5/18; B32B27/36; B65D65/40; C08L67/02
Foreign References:
JPH06220220A1994-08-09
JP2014061663A2014-04-10
JP2004196951A2004-07-15
JPH07292183A1995-11-07
Other References:
See also references of EP 3489283A4
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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