Process for the production of urethane elastomers
US4002584A · kind A · utility
16Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1974 |
| Grant date | Jan 11, 1977 |
| Priority date | — |
| Expiry date | Aug 5, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/3814
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Urethane elastomers are prepared by reacting a long-chain polyol having a molecular weight of 400 - 5000 in a one-shot operation with an organic diisocyanate and a halogenated aromatic diamine of the general formula: ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are the same or different and each represents a halogen atom and n is zero or 1. According to this process, urethane elastomers possessing excellent physical characteristics can be produced economically and advantageously in the operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.