| abstract |
The decorative foaming article is prepared by injecting a foamed pellet, bead, granule, or other object of a thermoplastic elastomer into a pressurized container to supercritical fluid, then rapidly decompressing, and immersing in a fast The pellets, beads, granules, or other articles are heated and foamed in a heated fluid that heats the article or by infrared or microwave radiation, and then molded into the articles. The pellets are stained with a nonionic or anionic dye by one of: (1) before perfusion with a supercritical fluid, (2) during perfusion with a supercritical fluid, by dissolving or dispersing in the supercritical A nonionic or anionic dye of a fluid, which optionally comprises a polar liquid, (3) immersed in the heated fluid, where the heated fluid contains the dye, or (4) after foaming. |