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    • 2. 发明申请
    • Insulating Material and Method for its Production
    • US20220315489A1
    • 2022-10-06
    • US17624835
    • 2020-05-26
    • FIRST POINT A.S.
    • Gabriela ChlandováPetr Spaniel
    • C04B20/10C04B16/08C04B28/00
    • An insulating material, in particular a permeable fire-proof insulating material comprising water glass and polystyrene, consisting of a hardening mixture which contains 1 to 32.4 wt % of expanded polystyrene, 57.5 to 96.0 wt % of aqueous sodium silicate solution, 2 to 6 wt % of aluminium hydroxide, 0.8 to 2.6 wt % water glass hardener and 0.1 to 0.5 wt % of water glass stabilizer, while the surface of the expanded polystyrene is provided with carbon black, the carbon black making up 0.1 to 1 wt % of total weight. A method for the production of insulating material, in particular a method for the production of permeable fire-proof insulating material comprising water glass and polystyrene, according to which firstly the polystyrene beads are mixed with an aqueous solution of carbon black so as to coat their entire surface, then is added to the aqueous sodium silicate solution aluminium hydroxide and the whole is mixed so as to form an insulating mixture, and then a water glass stabilizer is added to the aqueous sodium silicate solution, and then to this solution is mixed water glass hardener, with this solution being further stirred for 1 to 10 minutes to form a binder solution, and the insulating mixture is added to the binder solution with constant stirring, and the whole is mixed, and the resulting mixture is then poured into the application site.