Thermally conductive polyvinyl halide
US11535737B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2018 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyvinyl halide compound has thermal conductivity and includes polyvinyl halide resin, natural or synthetic graphite of flake or spheroid form, and at least 0.5 weight percent of epoxidized vegetable oil. Selection of types and amounts of graphite and epoxidized vegetable oil provide thermal conductivity while other desirable properties of the compound are suitably maintained. The compound can be used for making any end use article that needs flame retardance and good thermal management and is especially useful as a thermally conductive material to replace die cast or extruded aluminum heat sinks in industrial applications, such as LED lighting fixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.