Polyamide 12 for the Next Generation of Sports Shoes Have Athletes and Materials Reached their Limits?

摘要

Can a human run 100 m in 9.29 s? Or is 9.48 s the theoretical limit? While the scientists are still arguing, the fastest men in the world are trying to beat the current world record of 9.58s set by Usain Bolt. But, personal performance apart, the most important sports appliance is the shoe, e.g., the Sonicsprint Elite spiked shoe, offered by Asics Corporation, Kobe, Japan, which contains the polyamide 12 elastomer Daiamid from Daicel-Evonik Ltd., Tokyo, Japan.