Color concentrate
US6646038B1 · kind B1 · utility
5Cited by
19References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Oct 29, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a new and improved color concentrate comprising from about 5% to about 20% by weight metal particles component, from about 1% to about 15% by weight colorant material and from about 60% to about 90% by weight thermoplastic polymer. The metal particles component comprises aluminum particles having an undefined configuration and an average particle size of from about 75 &mgr;m to about 150 &mgr;m. The concentrate can be utilized to color thermoplastic polymers and produce a high metallic effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.