	US 12,030,815 B2
	Mortar composition for acoustic damping and fire protection
Luigi Perrino, Nago Torbole (IT); Carsten Brutus, Ishoej (DK); Romualdo Leonetta, Como (IT); Luz Granizo, Madrid (ES); and Urs Jäger, Jona (CH)
Assigned to SIKA TECHNOLOGY AG, Baar (CH)
Appl. No. 17/441,255
Filed by SIKA TECHNOLOGY AG, Baar (CH)
PCT Filed May 6, 2020, PCT No. PCT/EP2020/062574 § 371(c)(1), (2) Date Sep. 20, 2021, PCT Pub. No. WO2020/225300, PCT Pub. Date Nov. 12, 2020.
Claims priority of application No. 19172828 (EP), filed on May 6, 2019.
Prior Publication US 2022/0332646 A1, Oct. 20, 2022
Int. Cl. C04B 28/10 (2006.01); C04B 14/06 (2006.01); C04B 14/24 (2006.01); C04B 18/02 (2006.01); C04B 24/26 (2006.01); C04B 28/16 (2006.01); E04F 13/00 (2006.01); E04F 15/18 (2006.01); C04B 111/28 (2006.01); C04B 111/40 (2006.01); C04B 111/52 (2006.01)

CPC C04B 28/16 (2013.01) [C04B 14/06 (2013.01); C04B 14/24 (2013.01); C04B 18/027 (2013.01); C04B 24/2635 (2013.01); C04B 24/2676 (2013.01); E04F 15/18 (2013.01); C04B 2111/28 (2013.01); C04B 2111/40 (2013.01); C04B 2111/52 (2013.01)]

15 Claims

1. 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.