- 专利标题： MULTI-LAYER CONTAINER, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING RECLAIMED POLYESTER
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申请号： US18022034申请日： 2021-08-11
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公开(公告)号： US20230303299A1公开(公告)日： 2023-09-28
- 发明人: Kosuke OTSUKA , Masayuki DAITO , Takumi YAMADA
- 申请人： Mitsubishi Gas Chemical Company, Inc.
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人地址： JP Tokyo
- 优先权： JP 20139566 2020.08.20
- 国际申请： PCT/JP2021/029631 2021.08.11
- 进入国家日期： 2023-02-17
- 主分类号： B65D65/40
- IPC分类号： B65D65/40 ; B29C49/06 ; B29C49/22 ; B32B27/20 ; B32B27/34 ; B32B27/36 ; B32B27/08
摘要：
Provided is a multilayer container having a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to the total amount of all polyamide layers and all polyester layers. The yellowing inhibitor (A) is a dye. The content of the yellowing inhibitor (A) is from 400 to 800 ppm relative to the polyamide layer. An L* of the multilayer container is 87.5 or greater.
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