Title:
MULTI-LAYER HOLLOW CONTAINER, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING REGENERATED POLYESTER
Document Type and Number:
WIPO Patent Application WO/2022/153844
Kind Code:
A1
Abstract:
Provided are: a multi-layer hollow container having a polyester layer that includes a polyester resin (X), and a polyamide layer that includes a polyamide resin (Y) and a yellowing-suppressing agent (A), the polyamide layer serving as an intermediate layer and being present from a grounding part to a position set apart by 10-70% of the height of the container; a method for manufacturing the multi-layer hollow container; and a method for manufacturing regenerated polyester, the method having a step for recovering polyester from the multi-layer hollow container.
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Inventors:
NAKAMURA JIN (JP)
MIYABE TAKANORI (JP)
ODA TAKAFUMI (JP)
MIYABE TAKANORI (JP)
ODA TAKAFUMI (JP)
Application Number:
PCT/JP2021/048296
Publication Date:
July 21, 2022
Filing Date:
December 24, 2021
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
B65D1/02; B65D65/40; C08J3/22
Domestic Patent References:
| WO2017150109A1 | 2017-09-08 | |||
| WO2017057463A1 | 2017-04-06 |
Foreign References:
| JPS57123051A | 1982-07-31 | |||
| JP2018188177A | 2018-11-29 | |||
| JP2018043773A | 2018-03-22 | |||
| JP2016078373A | 2016-05-16 | |||
| JP6168261B1 | 2017-07-26 | |||
| JP2017056956A | 2017-03-23 | |||
| JPS63294342A | 1988-12-01 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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