Cables with improved electrical properties
Patent Information
- Application Number
- DE602016094697
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2016-06-21
- Publication Date
- 2026-02-11
- Estimated Expiration
- 2036-06-21
AI Technical Summary
Existing cable insulation materials face challenges in achieving low electrical conductivity and mechanical stability, particularly in high voltage direct current (HVDC) cables, which require increased voltage levels, leading to thermal runaway and mechanical breakdown due to the presence of catalyst residues and peroxide decomposition products.
A blend of low density polyethylene (LDPE) with low amounts of high density polyethylene (HDPE) is used in the insulation layer, eliminating the need for crosslinking agents and degassing steps, resulting in a thermoplastic composition with significantly reduced conductivity and improved mechanical properties.
The LDPE/HDPE blend achieves lower conductivity and reduced mechanical breakdown risk, enabling faster, less complex, and cost-effective cable production capable of operating at higher voltages without thermal runaway.