Title:
MULTILAYER RESIN SHEET AND MOLDING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2022/080238
Kind Code:
A1
Abstract:
Provided is a resin sheet which contains a polylactic acid resin, has excellent environmental performance, can be prevented from occurrence of cracks when wound, and also has excellent punching workability and oxygen barrier properties. This multilayer resin sheet comprises: a base material layer; and an oxygen barrier layer which is laminated on one surface of the base material layer via an adhesive layer, wherein the base material layer contains a polylactic acid resin and a polybutylene succinate resin so that the mass ratio of polylactic acid resin: polybutylene succinate resin is 2:8 to 8:2, and the proportion of a biodegradable resin in said multilayer resin sheet is at least 90 mass%.
Inventors:
SUGIMOTO KAZUYA (JP)
FUJIMURA TETSUO (JP)
FUJIMURA TETSUO (JP)
Application Number:
PCT/JP2021/037235
Publication Date:
April 21, 2022
Filing Date:
October 07, 2021
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
B32B27/30; B32B27/36; B65D1/00; B65D65/46; C08L67/02; C08L67/04; C08L101/16
Domestic Patent References:
| WO2017069127A1 | 2017-04-27 |
Foreign References:
| CN107696622A | 2018-02-16 | |||
| JP2008221733A | 2008-09-25 | |||
| JPH11222528A | 1999-08-17 | |||
| JP2017533844A | 2017-11-16 | |||
| JP2016537495A | 2016-12-01 | |||
| JP2015507653A | 2015-03-12 | |||
| JP2021160155A | 2021-10-11 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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