- 专利标题: MULTILAYER HOLLOW CONTAINER, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING REGENERATED POLYESTER
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申请号: US18272275申请日: 2021-12-24
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公开(公告)号: US20240308189A1公开(公告)日: 2024-09-19
- 发明人: Jin NAKAMURA , Takanori MIYABE , Takafumi ODA
- 申请人: Mitsubishi Gas Chemical Company, Inc.
- 专利权人: Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人: Mitsubishi Gas Chemical Company, Inc.
- 优先权: JP 21005044 2021.01.15
- 国际申请: PCT/JP2021/048296 2021.12.24
- 进入国家日期: 2023-07-13
- 主分类号: B32B27/08
- IPC分类号: B32B27/08 ; B32B27/18 ; B32B27/34 ; B32B27/36 ; B65D1/02 ; C11D3/395
摘要:
Provided is a multilayer hollow container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A) with the polyamide layer being an intermediate layer and being present from a ground contact portion to a position of from 10 to 70% of a height of the multilayer hollow container. Also provided are a method for manufacturing the multilayer hollow container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer hollow container.
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