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US 12,030,815 B2Granted
Mortar composition for acoustic damping and fire protection
AssigneeSika Technology AG
InventorsLuigi Perrino, Carsten Brutus, Romualdo Leonetta, Luz Granizo, Urs Jäger
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Abstract
A mortar composition, in particular for preparing a viscoelastic structure and/or a fire barrier, including: a) 15-50 wt.-% of a hydraulic binder, b) 5-35 wt.-% of lightweight aggregates, c) 5-25 wt. % of further aggregates which have a particle density that is higher than the particle density of the lightweight aggregates, and d) 10-50 wt.-% of a polymer.
Claims15
A mortar composition, comprising:
- a) 15-50 wt.-% of a hydraulic binder;
- b) 5-35 wt.-% of lightweight aggregates;
- c) 5-25 wt. % of further aggregates which have a particle density that is higher than the particle density of the lightweight aggregates;
- and
- d) 10-50 wt.-% of at least one polymer,
- wherein a particle density of the lightweight aggregates is from 100-2,000 kg/m3, and the further aggregates have a particle density >2,000 kg/m3.
3 more elements
Dependencies are inferred from the claim text.