Branched polycarbonate produced by reactive extrusion
US6022941A · kind A · utility
17Cited by
17References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1998 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Apr 1, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polycarbonate can be branched by reactive extrusion using free radical chemistry. This technology combines the effect of free radical initiator and branching agent on polycarbonate during processing. Melt Strength of polycarbonate can be increased by addition of a triacrylate as branching agent and peroxide as radical initiator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.