Ionomer composition

Details Ionomer composition Ionomer composition

C - Chemistry, Metallurgy

08

L

400/6560

C08L 33/02 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2025874

Disclosed is an ionomer composition comprising an ethylene/unsaturated carboxylic acid copolymer which is at least partially neutralized with at least one alkali metal selected from the group consisting of potassium, rubidium and cesium, wherein the ethylene/unsaturated carboxylic acid copolymer is a blend comprising (A) an ethylene/unsaturated carboxylic acid copolymer having an unsaturated carboxylic acid content of 6 to 25 mole% and (B) an ethylene/unsaturated carboxylic, acid copolymer having an unsaturated carboxylic acid content of 0.5 to mole% at an (A)/(B) weight ratio of from 10/90 to 80/20, and the alkali metal is present in an amount at least 0.4 millimole but smaller than 1.3 millimoles per gram of the ionomer composition. This ionomer composition has an excellent antistatic property and an excellent heat moldability.

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