Polymer compositions with heat-absorbing properties and a high stability
US8845920B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 10, 2011 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Nov 25, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a composition comprising at least one transparent thermoplastic material; at least one inorganic IR absorber which comprises a zinc-doped caesium tungstate; and optionally at least one stabilizer which is based on phosphine. The present invention also relates to a composition which comprises a thermoplastic polymer material, an inorganic IR absorber, at least one phosphine stabilizer, at least one phosphite stabilizer, and at least one phenolic antioxidant stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.