Patent ID: 8969475
Filing Date: 2015-03-03
Classification: B32B,B60C,C08F,F16L,Y10T

Abstract:
1. A method for modifying an ethylene-vinyl alcohol copolymer, comprising melt blending an ethylene-vinyl alcohol copolymer with an alkyl polyether silane expressed by the following formula (4): wherein n indicates an integer of 2 to 7, m indicates an integer of 10 to 20, and R 1 indicates a C 1 to C 20 aliphatic hydrocarbon group or aliphatic hydrocarbon group substituted with a mercapto group or thioester group, and R 2 is a methyl group or ethyl group, at a temperature of 200 to 270° C. which is greater than the melting temperatures of the ethylene-vinyl alcohol copolymer and alkyl polyether silane.