Process for the preparation of polyhydroxybutadienes
US4518770A · kind A · utility
2Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1984 |
| Grant date | May 21, 1985 |
| Priority date | — |
| Expiry date | Jan 30, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F136/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved process is provided for the preparation of polyhydroxybutadienes (hydroxy-containing butadiene homopolymers) which comprises injecting an aqueous solution of alkali metal sulfite or bisulfite into the polyhydroxybutadiene solvent recovery section to prevent fouling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.