Title:
再生ポリエステル樹脂の製造方法
Document Type and Number:
Japanese Patent JP6648453
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a packaging container which prevents degradation in quality at the time of recycling while effectively preventing deterioration in a content and reduction in flavor such as taste and aroma caused by oxygen, and is excellent in recyclability.SOLUTION: There is provided a packaging container which includes a hollow container 10 containing at least one layer of each of a polyester resin layer 10A made from a polyester resin and a polyamide resin layer 10B made from a polyamide resin, and a lid 20 which closes a mouth 13 of the hollow container 10 and contains an oxygen absorbent, where the polyamide resin layer 10B substantially contains no transition metal, and a ratio (A/B) of the thickness of the polyester resin layer 10A in a body 11 of the hollow container 10 to the thickness of the polyamide resin layer 10B is 2.5 or more and 200 or less.SELECTED DRAWING: Figure 1
Inventors:
Takashi Yamamoto
Naofumi Oda
Takanori Miyabe
Naofumi Oda
Takanori Miyabe
Application Number:
JP2015181638A
Publication Date:
February 14, 2020
Filing Date:
September 15, 2015
Export Citation:
Assignee:
Mitsubishi Gas Chemical Co., Ltd.
International Classes:
B65D81/26; B29B17/00; B29B17/04; B32B27/34; B65D1/02; C08G69/26; C08L67/00
Domestic Patent References:
| JP2015131438A | ||||
| JP872922A | ||||
| JP2015157468A | ||||
| JP200513874A | ||||
| JP201611337A | ||||
| JP2002265763A | ||||
| JP200286448A | ||||
| JP200118223A |
Foreign References:
| US5876644 |
Attorney, Agent or Firm:
Tamotsu Otani
Wataru Sasaki
Shigeru Torayama
Wataru Sasaki
Shigeru Torayama