Resin composition and method for producing the same

Details Resin composition and method for producing the same Resin composition and method for producing the same

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08F 8/30 (2006.01) C08J 5/18 (2006.01) C08L 23/08 (2006.01) C08L 29/04 (2006.01) C08L 29/06 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2467708

The present invention provides a resin composition including an ethylene-vinyl alcohol copolymer (EVOH) and a polyamide resin and having outstanding properties in terms of long-term run stability, appearance, and hot water resistance in melt molding. In this resin composition, 70 mol % or more of all the terminal ends of the polyamide resin are blocked with units including an imide structure. At least a portion of the units containing an imide structure may be units containing a cyclic imide structure.

La présente invention procure une formulation de résine comprenant un copolymère éthylène-alcool vinylique (EVOH) et une résine de polyamide possédant des caractéristiques exceptionnelles de stabilité à long terme, d'apparence et de résistance à l'eau chaude lors du moulage à l'état fondu. Dans cette résine, 70 % de la formulation ou plus, en moles, de toutes les extrémités terminales du polyamide sont bloquées par des unités comportant une structure imidique. Au moins une partie de ces unités comportent une structure imidique cyclique.

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