Compositions for the production of objects using additive manufacturing
US11041044B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Sep 30, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D18/009
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Filament comprising a polymeric material that includes a diacid component comprising from about 40 to 60 mole % of units derived from terephthalic acid and from about 40 to 60 mole % of units derived from a diacid chosen from isophthalic acid, a cyclohexanedicarboxylic acid, a naphthalenedicarboxylic acid, a stilbenedicarboxylic acid, or a combination thereof; a glycol component comprising at least 75 mole % of units derived from cyclohexanedimethanol; wherein the polymeric material has an inherent viscosity loss of 3% or less after being extruded; and method of using this filament in production of different articles by 3D printing are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.