Composition, multilayered container and package

Details Composition, multilayered container and package Composition, multilayered container and package

C - Chemistry, Metallurgy

08

L

217/12, 400/9281

C08L 23/08 (2006.01) B32B 27/28 (2006.01) B32B 27/30 (2006.01) B65D 85/72 (2006.01) C08K 3/32 (2006.01) C08K 5/098 (2006.01) C08L 31/04 (2006.01)

Patent

CA 2011643

Provided are compositions comprising a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 80 mol% and a saponification degree of vinyl acetate component of at least 95 mol%. The composition contains 20 to 200 ppm as converted to alkali metal of an alkali metal acetate, 30 to 250 ppm of acetic acid, and 5 to 500 ppm as converted to phosphate ion of phosphoric acid or an alkai metal hydrogenphosphate. It has a content ration of acetic acid/alkali metal acetate of 0.1 to 1 and the flow characteristic that the extrusion rate does not substantially increase for at least 10 hours in the relationship between the heating time and the extrusion rate with a capillary rheometer (Koka Flow Tester) at at least one temperature 10 to 80°C above the melting point. Also provided are multilayered containers in which the innermost layer is formed by the above composition, and packages comprising such containers containing a liquid article or paste article.

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