High friction polyurethane elastomers having improved abrasion resistance
US6723771B2 · kind B2 · utility
8Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Mar 4, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition of matter is disclosed wherein the composition comprises a polyurethane elastomer prepared by mixingA) a polyurethane prepolymer,B) a curative, andC) a liquid, non-reactive polydimethylsiloxane,wherein C) is present in a concentration of about 0.5 to about 25% based on the combined weight of A) plus B),and curing the mixture to form the elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.