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US 2020/0224010 A1Published application
Highly fire-resistant expanded polymeric material
AssigneeArmacell Enterprise GmbH
InventorsJon BEAUDRY, David Polito, Kartik Patel
Life of this patent
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Abstract
A highly fire-resistant expanded polymeric material for thermal insulation, acoustic insulation and/or fire barrier contains rubber, expandable graphite, at least one alkaline earth metal component selected from alkaline earth metal carbonates, alkaline earth metal hydroxides, hydrates of either, and combinations thereof, and a component containing silica or a silicate. The expanded polymeric material is preferably manufactured by a process including decomposition of a chemical blowing agent.
Claims29
An expanded polymeric material comprising:
- 100 phr rubber,
- expandable graphite,
- at least one alkaline earth metal component selected from the group consisting of alkaline earth metal carbonates, alkaline earth metal hydroxides, hydrates thereof, and combinations thereof, and
- a component containing silica or silicate;
- wherein a total mass of the ingredients in the expanded polymeric material is at least 300 phr and less than 1200 phr.
2 more elements
Dependencies are inferred from the claim text.