Title:
POLYETHYLENE RESIN MULTILAYER FOAM SHEET, INTERLEAVING PAPER FOR GLASS PLATES, AND METHOD FOR MANUFACTURING POLYETHYLENE RESIN MULTILAYER FOAM SHEET
Document Type and Number:
WIPO Patent Application WO/2022/044772
Kind Code:
A1
Abstract:
This multilayer foam sheet has a polyethylene resin foam layer and a resin layer laminated on at least one of the two surfaces of the foam layer. The resin layer has a multilayer structure formed from a surface layer and an intermediate layer. Both the surface layer and the intermediate layer contain a polyethylene resin and a polymer-type antistatic agent. The polymer-type antistatic agent is contained in the intermediate layer at a proportion of 30-70 wt% (inclusive). The polymer-type antistatic agent is contained in the surface layer at a proportion of at least 5 wt% to less than 30 wt%.
Inventors:
TANIGUCHI RYUICHI (JP)
NISHIMOTO TAKASHI (JP)
NISHIMOTO TAKASHI (JP)
Application Number:
PCT/JP2021/029306
Publication Date:
March 03, 2022
Filing Date:
August 06, 2021
Export Citation:
Assignee:
JSP CORP (JP)
International Classes:
B32B5/18; B32B27/18; B32B27/32; C03B40/033
Domestic Patent References:
| WO2012105237A1 | 2012-08-09 | |||
| WO2012105237A1 | 2012-08-09 |
Foreign References:
| JP2020090026A | 2020-06-11 | |||
| JP2019064048A | 2019-04-25 | |||
| JP2003136651A | 2003-05-14 | |||
| JP2004090609A | 2004-03-25 | |||
| JPH09169072A | 1997-06-30 | |||
| JP2004181933A | 2004-07-02 |
Attorney, Agent or Firm:
HIROSAWA Kuninori (JP)
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