Patent · US Active

Sintered powder (SP) containing a partially crystalline terephthalate polyester, an amorphous terephthalate polyester and a phosphinic acid salt

US11713393B2 · kind B2 · utility

1Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2019
Grant dateAug 1, 2023
Priority date
Expiry dateApr 3, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/025
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a sinter powder (SP) comprising at least one semicrystalline terephthalate polyester (A), at least one amorphous terephthalate polyester (B) and at least one phosphinic salt (C). The present invention further relates to a method of producing a shaped body by sintering the sinter powder (SP) or by an FFF (fused filament fabrication) method, to a shaped body obtainable by the method of the invention, and to the use of a phosphinic salt in a sinter powder (SP) for broadening the sintering window (WSP) of the sinter powder (SP).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.