| 摘要 |
PROBLEM TO BE SOLVED: To provide a modified ethylene-vinyl alcohol copolymer composition that hardly generates gel and lumps, is excellent in heat stability, and has good flexibility and gas barrier property, and to provide a modified ethylene-vinyl alcohol copolymer that gives the composition.SOLUTION: The modified ethylene-vinyl alcohol copolymer has a structural unit (I) represented by formula (1) of 0.02-1.2 mol% based on a vinyl alcohol unit, wherein, Rrepresents a 1-3C alkyleneoxy, ester, or amide group that may have a substituent group, and carbon is bound with the main chain when Ris an alkyleneoxy or ester group, Rrepresents a ≤4C alkanediyl group that may have a substituent group, and each Rmay be identical or different, Rrepresents hydrogen or a ≤4C alkyl that may have a substituent group, and n represents a number of within 10-100. |
