Verfahren zur Herstellung eines Mineralschaums aus einem Schäumenden Schlamm mit Hoher Streckgrenze

Details

Veröffentlichungs-Nr.

EP4768458

Anmeldetag

24. Dezember 2024

Veröffentlichung

1. Juli 2026

Rechtsraum

EP

Abstract

The invention relates to a method for the production of a mineral foam comprising the following steps: (i) preparing a cement slurry, comprising: - a cementitious composition; - a carboxylic acid or salt thereof selected from the group consisting of a monocarboxylic acid comprising from 1 to 5 carbon atoms, a dicarboxylic acid comprising from 2 to 5 carbon atoms and mixtures thereof; and - water; wherein the carboxylic acid or salt thereof is present in an amount from 0.6% to 2.5%, preferably from 0.6% to 2%, in weight relative to the total dry weight of the cementitious composition, (ii) adding to the cement slurry obtained after step (i) a gas-forming liquid comprising a gas-forming agent to obtain a foaming slurry; (iii) applying the foaming slurry obtained in step (ii) on a support.

Anmelder

Firma

Holcim Technology Ltd.

Land

🇨🇭 Schweiz