Ethylene-vinyl alcohol copolymer and molded article thereof

Details Ethylene-vinyl alcohol copolymer and molded article thereof Ethylene-vinyl alcohol copolymer and molded article thereof

C - Chemistry, Metallurgy

08

F

C08F 210/02 (2006.01) B32B 27/28 (2006.01) C08F 216/04 (2006.01) C08F 218/08 (2006.01) C08F 218/12 (2006.01) C08J 5/00 (2006.01) C08K 3/38 (2006.01) C08L 23/08 (2006.01) C08L 29/04 (2006.01)

Patent

CA 2570083

A novel ethylene/vinyl alcohol copolymer which has improved stretchability and can give a molded object excellent in gas-barrier properties, appearance, and strength. The ethylene/vinyl alcohol copolymer is characterized by comprising structural units represented by the following formula (1). (X represents any desired bond chain excluding an ether bond; R1 to R4 each independently represents any desired substituent; and n is 0 or 1.)

Nouveau copolymère éthylène/alcool de vinyle qui démontre une grande aptitude à l~étirage et peut donner un objet moulé excellent de par ses propriétés de barrière au gaz, par son aspect et sa résistance. Le copolymère éthylène/alcool de vinyle se caractérise du fait qu~il comprend des unités structurelles représentées par la formule suivante (1). [Formule chimique 1] (1) (X représente une chaîne de quelconque liaison hormis une liaison éther ; R?1¿ à R?4¿ représentent chacun indépendamment un quelconque substituant ; et n vaut 0 ou 1).

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