Microcellular polyurethane elastomer, and method of producing the same
US6437013B2 · kind B2 · utility
8Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2001 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Feb 16, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The microcellular polyurethane elastomer of the present invention has(1) an overall density (D) of 100 kg/m3 or more but 900 kg/m3 or less, and(2) overall density (D) and compression set (CS2, unit: %) satisfying the relationship shown by the following equation (1): andCS2≦0.00008*D2−0.091*D+42   (1)  overall density (D) and cell diameter (X, unit: &mgr;m) on the skin surface satisfying the relationship shown by the following equation (2):X≦120e−0.0015D   (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.