| abstract |
Components for articles of footwear and athletic equipment are provided including a foam. A variety of foams and foam components are provided. Specifically, compositions having a foam structure are provided, wherein the compositions include an ionomeric polymer and a plurality of cations, wherein the ionomeric copolymer is crosslinked by the cations. The crosslinks are ionic, so in some aspects the composition is free or essentially free of any covalent crosslinks between the ionomers. In particular, midsoles including the foams are provided for use in an article of footwear. Methods of making the compositions and foams are provided, as well as methods of making an article of footwear including a foam component. In some aspects, the foams and foam components can be made by injection molding or injection molding followed by compression molding. |