Method of after-treatment of modified polyolefins
US5753169A · kind A · utility
17Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1996 |
| Grant date | May 19, 1998 |
| Priority date | — |
| Expiry date | Mar 26, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The amount of impurities contained in a modified polyolefin obtained by means of melt-kneading grafting is reduced by melt-kneading the modified polyolefin in the presence of water. A melt-kneading machine having a vent port is typically used in this process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.