Title:
積層体及びそれよりなる蓋材
Document Type and Number:
Japanese Patent JP6870762
Kind Code:
B2
Abstract:
To provide a laminate exhibiting a good easy openability and a lid material made of the same, which can more easily adjust seal strength and achieve both easy openability and sealability.SOLUTION: There are provided: a laminate having a paper substrate layer, an aluminum foil layer, an anchor coating agent layer and a two-layer coextruded heat-sealable resin layer in this order, wherein the two-layer coextruded heat-sealable resin layer is a heat-sealable coextruded resin layer which comprises: a polymer alloy-containing layer composed of a modified polyethylene-based polymer alloy obtained by impregnation-polymerizing a polymerizable aromatic vinyl monomer with a polyethylene resin or a resin composition containing the polymer alloy and an unmodified polyethylene resin; and a low density polyethylene layer and the polymer alloy-containing layer is an innermost layer in contact with the content; and a lid material made of the same.SELECTED DRAWING: Figure 1
Inventors:
Makoto Eguchi
Yuno Masato
Shin Yamada
Yuno Masato
Shin Yamada
Application Number:
JP2020076590A
Publication Date:
May 12, 2021
Filing Date:
April 23, 2020
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B32B15/08; B32B29/00; B65D65/40
Domestic Patent References:
| JP11001270A | ||||
| JP10080974A | ||||
| JP57174239A | ||||
| JP6320678A |
Foreign References:
| US6302321 |
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Noriyuki Takebayashi