Heat absorbing additives
US8853314B2 · kind B2 · utility
13Cited by
52References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2009 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Dec 25, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a powder composition comprising particles of a) an alkali metal tungsten bronze, b) tungsten oxide, and c) tungsten metal, a method for the preparation of said powder composition, and to the use of said powder composition in form of a dispersion in a polymer material or article for heat shielding, or to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic performs, laser marking of plastics or paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.