| abstract |
An ionomer composition comprising an ionomer copolymer of an α-olefin and an α, β-ethylenically unsaturated carboxylic acid having 3 to 8 carbons, based on the total weight of the ionomer copolymer, from about 1 to about 30% by weight. A polymer film or sheet comprising a carboxylic acid neutralized to a level of 1 to 100 mol% with one or more metal ions based on the total number of moles of carboxylate groups in the ionomer copolymer, A polymer film or sheet wherein the melt index of the copolymer is from about 20 to about 300 g / 10 min. The ionomer composition preferably includes an additive selected from the group consisting of silane coupling agents, organic peroxides, and combinations thereof. An article further comprising an intermediate layer formed of a polymer film or sheet and an additional layer selected from the group consisting of glass, other polymer interlayer sheets, polymer film layers and metal films or sheets. Examples of the article include a safety window and a solar cell. |