| abstract |
A method for providing a molded article comprising foamed pellets molded together is disclosed. Examples of molded articles include a cushioning element for footwear, a padding for protective equipment, or a clothing element. The method comprises the steps of: n- infusing pellets of a thermoplastic elastomer having a maximum size in at least one dimension of 10 mm with a supercritical fluid in a pressurized container; n- removing the pellets from the supercritical fluid; and n- de-pressurizing and heating the de-pressurized pellets; either n(i) by immersing the pellets in a heated fluid; or n(ii) by irradiating the pellets with infrared or microwave radiation. n Either the supercritical fluid or the heated fluid comprises a dye, whereby foamed pellets being dyed are provided. The dye is a nonionic or anionic dye. Further, the method comprises the step of: n- molding foamed pellets of at least two different colors together, to provide a cushioning element for footwear, a padding for protective equipment, or a clothing element. |