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US 12,661,539 B2Granted
Composite material and fire protection element for sealing passage openings and joints in components
AssigneeHilti Aktiengesellschaft
InventorsSebastian Simon, Andreas Ahlers, Ramona Prem, Ralf Willner, Sarah Freudling, Sigrid Andreae, Claudio Wolfer, Michael Schreiner
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Abstract
A composite material, a method for the production thereof, and a fire protection element containing the composite material can be used for the protection of passage openings in components in the event of fire, such as building parts, through which conduits are guided. The composite material can also be used as a fire protection element for sealing passage openings and/or joints in components.
Claims16
A composite material, comprising:
- i) a carrier material, and
- ii) a plurality of particles of at least one layered, physically acting blowing agent,
- wherein adjacent particles of the at least one layered, physically acting blowing agent are arranged substantially in parallel with one another over the entire composite material, and
- at least 75% of adjacent particles of said at least one layered, physically acting blowing agent show a parallel arrangement,
- wherein the carrier material comprises a polymer dispersion based on water or solvent and has a softening or decomposition point in a range of from 80° C. to 500° C.;
- and
- wherein the carrier material has a solids content of 40-65 wt. % and/or a water or solvent content of 35-60 wt. %.
4 more elements
Dependencies are inferred from the claim text.