Invention Grant
- Patent Title: Ethylene-vinyl alcohol copolymer composition pellet and process for producing said ethylene-vinyl alcohol copolymer composition pellet
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Application No.: US16064670Application Date: 2016-12-12
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Publication No.: US11667761B2Publication Date: 2023-06-06
- Inventor: Makoto Hatanaka
- Applicant: MITSUBISHI CHEMICAL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP 2015251832 2015.12.24
- International Application: PCT/JP2016/086926 2016.12.12
- International Announcement: WO2017/110561A 2017.06.29
- Date entered country: 2018-06-21
- Main IPC: C08J3/12
- IPC: C08J3/12 ; C08L29/04 ; C08L77/02 ; C08K13/02 ; B29B9/12 ; B29B7/00 ; C08K5/00 ; C08L23/08 ; B29B7/42 ; B29B9/06 ; B29B7/46 ; B29B9/16
Abstract:
The present invention provides ethylene-vinyl alcohol copolymer composition pellet reduced in coloration. The ethylene-vinyl alcohol copolymer composition pellet of the invention include an ethylene-vinyl alcohol copolymer (A), a polyamide resin (B), and an alkaline earth metal salt (C) and have a yellowness index (YI) value of 10 or less when examined with a spectral color-difference meter by a transmission method.
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