Resin composition reclaimed from compact disk waste
US6355739B1 · kind B1 · utility
3Cited by
1References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Apr 3, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention discloses a resin composition reclaimed from compact disk waste having improved mechanical characteristics. The resin composition in accordance with the present invention comprises (a) compact disk waste comprising polycarbonate (PC) as a primary component; and (b) a coupling agent containing two or more reactive functional groups. Optionally, the resin composition of the present invention may further comprise (c) an impact-resistant thermoplastic resin, engineering plastic grade PC or waste thereof, or recycled bottle grade PC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.