Expandable vinyl aromatic polymers containing graphite particles having a polymodal particle size distribution
US9458301B2 · kind B2 · utility
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3References
19Claims
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Key dates
| Filing date | Dec 19, 2013 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Expandable vinyl aromatic polymers may contain comminuted graphite with a polymodal particle size distribution. Foams obtained from such expandable vinyl aromatic polymers have a reduced thermal conductivity at a reduced foam density.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.