MULTILAYER SHEET, AND MULTILAYER CONTAINER USING SAME

WIPO Patent Application WO/2018/116504

A1

The purpose of the present invention is to provide: a multilayer sheet which exhibits impact resistance such as dropping strength, and poses no health problems, despite being easy to snap at a split groove; and a multilayer container which uses said multilayer sheet. Provided is a multilayer sheet which has, as one surface, a polystyrene resin layer having polystyrene as a main component, and has, as another surface, a functional resin layer having a functional resin as a main component. The polystyrene resin layer and the functional resin layer are bonded together using an adhesive resin layer. A split groove obtained by cutting the functional resin layer and the adhesive resin layer is provided so as to reach the inside of the polystyrene resin layer. Also provided is a container which uses said multilayer sheet.

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KOBAYASHI YUKIO (JP)
MARU TAKASHI (JP)
HYOBU YUKIHIRO (JP)
KAGEYAMA YOHEI (JP)
MIYAUCHI OTOHIKO (JP)

PCT/JP2017/023674

June 28, 2018

June 28, 2017

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NISSEI CHEMICAL CO LTD (JP)
MIRAIAL CO LTD (JP)

B32B27/30; B32B5/18; B32B27/00; B65D65/40

WO2013122057A1

2013-08-22

JP2006021409A	2006-01-26
JP2011079538A	2011-04-21
JPS59190528U	1984-12-18
JP2011051264A	2011-03-17
JP2000212369A	2000-08-02
JP2016101758A	2016-06-02

TANAKA Masahiro (JP)

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