Title:
GAS ADSORPTION LAMINATE FOR LIQUID CONTENT PACKAGING
Document Type and Number:
Japanese Patent JP2021160172
Kind Code:
A
Abstract:
To provide a laminate which is excellent in manufacture suitability, exhibits a high gas adsorption effect and odor taste change resistance for a long period of time, is excellent in pinhole resistance, falling body resistance and water leakage resistance in storage and transportation vibration, and is excellent in easy needle piercing properties in usage, and a packaging material and a package using the laminate.SOLUTION: A laminate for liquid content packaging has an easy piercing sealant layer 2 on one surface and a gas adsorption sealant layer 4 on the other surface, in which the easy piercing sealant layer 2 contains easy piercing polyethylene and a flexibility-imparting resin, the gas adsorption sealant layer 4 contains low elution polyethylene, the flexibility-imparting resin and a gas adsorbent, concentration of elusion TOC contained in the low elution polyethylene is 1.5 ppm or more and 250 ppm or less, a layer thickness ratio of the easy piercing sealant layer to the gas adsorption sealant layer is 0.3 to 0.8, and the gas adsorbent contains hydrophobic zeolite.SELECTED DRAWING: Figure 1
Inventors:
TAKEUCHI NAOYA
SUZUKI YOSHIHIKO
YONEMOTO TOMOHIRO
SUZUKI YOSHIHIKO
YONEMOTO TOMOHIRO
Application Number:
JP2020063074A
Publication Date:
October 11, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B32B27/32; B32B27/00; B65D65/40; B65D77/06
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Noriyuki Takebayashi