OBJECTS AND STRUCTURES WITH DYABLE ANTISTATIC POLYETHERIMIDE BLENDS
Patent Information
- Application Number
- DE602022016121
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-05-28
- Filing Date
- 2022-05-27
- Publication Date
- 2025-06-18
- Estimated Expiration
- 2042-05-27
AI Technical Summary
Existing electrostatic dissipative (ESD) materials are not colorable due to the natural blackness of conductive carbon fillers, and compounds doped with inherently dissipative polymers (IDP) cannot achieve low enough surface resistivity while maintaining a colorless appearance.
A polymer composition comprising polyetherimide resin, crystalline polyester resin, inherently dissipative polymer, and a transesterification inhibitor, which achieves a surface resistivity of 1 × 10^9 to 9 × 10^10 ohms and a volume resistivity of 1 × 10^8 to 9 × 10^9 ohms·cm, while being colorable.
The composition maintains desirable electrical, impact, and processing performance while being sufficiently colorable and suitable for ESD applications, overcoming the limitations of conventional ESD materials.