Title:
COVER MATERIAL FOR PRESS-THROUGH PACKAGES
Document Type and Number:
WIPO Patent Application WO/2018/235835
Kind Code:
A1
Abstract:
A cover material for press-through packages, which comprises a cover material film and a heat seal layer that is formed from a heat sealing agent, and which is characterized in that the heat sealing agent contains an adhesive resin that has a ratio of the storage elastic modulus E1 at 30°C to the storage elastic modulus E2 at 60°C, namely E1/E2 of from 4.0 to 20.0 (inclusive) and a ratio of the storage elastic modulus E2 to the storage elastic modulus E3 at 80°C, namely E2/E3 of from 1.3 to 4.0 (inclusive). A cover material for press-through packages, which comprises a cover material film and a heat seal layer that is formed from a heat sealing agent, and which is characterized in that the heat sealing agent contains an adhesive resin that has a melting point of 40°C or more but less than 90°C.
Inventors:
KONDO MOTOKI (JP)
KANETA YUKIMASA (JP)
ITO MASAHIRO (JP)
KANETA YUKIMASA (JP)
ITO MASAHIRO (JP)
Application Number:
PCT/JP2018/023354
Publication Date:
December 27, 2018
Filing Date:
June 19, 2018
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B65D75/32; B32B15/082; B32B15/095; B32B27/00; B32B27/30; B32B27/40; B65D65/40; B65D77/20
Foreign References:
| JP2013216331A | 2013-10-24 | |||
| JP2012051644A | 2012-03-15 | |||
| JP2008174302A | 2008-07-31 | |||
| JP2005178829A | 2005-07-07 | |||
| JPH0957920A | 1997-03-04 | |||
| JP2012201839A | 2012-10-22 |
Other References:
See also references of EP 3643639A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF:
Previous Patent: TREATMENT AGENT FOR EPIDERMOLYSIS BULLOSA
Next Patent: PRIVACY CONSIDERATIONS FOR NETWORK SLICE SELECTION
Next Patent: PRIVACY CONSIDERATIONS FOR NETWORK SLICE SELECTION