Title:
POLYESTER FILM FOR SEALANT USE, LAMINATE, AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2014/175313
Kind Code:
A1
Abstract:
[Problem] To provide a polyester film for sealant use having high heat seal strength with polyester film, resistance to adsorption of various organic compounds, and excellent hygienic properties. In addition, to provide a laminate containing the polyester film for sealant use as at least one layer, and a packaging bag using the laminate. [Solution] A polyester film formed by a polyester resin having ethylene terephthalate as a main structural component and a total of one or more monomer components which may serve as amorphous components of from 12 to 30 mol% among the total monomer components, the polyester film for sealant use being stretched uniaxially or biaxially and having a specific heat seal strength and specific crystal heat of fusion capacity. In addition, a laminate containing the polyester film for sealant use as at least one layer, and a packaging bag using the laminate.
Inventors:
HARUTA MASAYUKI (JP)
HIRO KAZUYA (JP)
HIRO KAZUYA (JP)
Application Number:
PCT/JP2014/061376
Publication Date:
October 30, 2014
Filing Date:
April 23, 2014
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C09K3/10; B32B27/36; B65D30/02; C08J5/18
Foreign References:
| JP2009227970A | 2009-10-08 | |||
| JPH11975A | 1999-01-06 | |||
| JPH08281893A | 1996-10-29 | |||
| JPH0655717A | 1994-03-01 | |||
| JPS5142748A | 1976-04-12 | |||
| JP2002256116A | 2002-09-11 | |||
| JPH07132946A | 1995-05-23 |
Other References:
See also references of EP 2990455A4
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