Patent · US Active

Polymer compositions with heat-absorbing properties and a high stability

US8845920B2 · kind B2 · utility

5Cited by
22References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 2011
Grant dateSep 30, 2014
Priority date
Expiry dateNov 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.