GENEVA, Switzerland—DuPont's Mobility & Materials unit has introduced a new closed-cell elastomer foam produced via a supercritical fluid (SCF) foaming process.
The "fully recyclable material" is said to be the first foamed product in the company's Hytrel range of copolyester-based thermoplastics elastomers.
Unlike foamed materials that rely on chemical foaming agents, the elastomer foam is produced using CO2 and N2 gases in the SCF process.
The process leaves no residues from chemical foaming agents in the final products and emits no VOCs, stated DuPont, adding that end products are free of odors and allergens.
DuPont listed property advantages for the expanded material as including up to 15 percent greater resilience than TPU foam (up to 80 percent resilience vs. 65 percent for TPU foam).