Combination of silica and graphite and its use for decreasing the thermal conductivity of vinyl aromatic polymer foam
US11447614B2 · kind B2 · utility
0Cited by
7References
22Claims
0Family size
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Key dates
| Filing date | Sep 25, 2020 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Sep 25, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to the co-use of a) a certain type of silica and b) a certain type of graphite, wherein the silica and the graphite are used in a weight ratio in a range of from 1:1 to 1:10, for decreasing the thermal conductivity of vinyl aromatic polymer foam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.