Method for preparation of polysilanes
US4992520A · kind A · utility
26Cited by
6References
21Claims
0Family size
Inventor
Key dates
| Filing date | Nov 7, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Nov 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
High molecular weight polysilanes are prepared using highly non-chain-transferring solvents. Certain alloys of sodium can also be used to advantage with such solvents. The high molecular weights are achievable even in the commercially preferred "normal" addition procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.