| 摘要 |
<p>An improved energy absorbing member comprising, an thermoplastic cellular polymer in contact with a structural element such as a metal guard rail or automotive door, wherein the cellular polymer has an average cell size of at least about 0.75 mm and at least one of C/C, C/Cand C/Cis about 0.25 to about 0.4 said one of C/C, C/Cand C/Chaving a compressive efficiency of at least 70% at a 60% strain, C, Cand Cbeing the compressive strength of the cellular polymer in each of three orthogonal directions E, V and H where one of these directions is the direction of maximum compressive strength in the foam and Cequals the sum of C, Cand C.</p> |
