Patents Assigned to HEUNGKUK IND.CO.,LTD.
  • Method for manufacturing coal-based geopolymer foam including silica fume
    Patent number: 11939262
    Abstract: Disclosed herein are a lightweight geopolymer foam with low thermal conductivity and a manufacturing method therefor in which coal bottom ash and fly ash are used together as materials for the geopolymer foam and silica fume is added to a mixed solution of an alkali activator and sodium hydroxide. The geopolymer foam can be utilized for improving insulation performance and safety for a structure constructed with eco-friendly cement.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: March 26, 2024
    Assignee: HEUNGKUK IND.CO., LTD.
    Inventors: Keeyun Lee, Hyo Kim, Jihoi Heo
  • METHOD FOR MANUFACTURING COAL-BASED GEOPOLYMER FOAM INCLUDING SILICA FUME
    Publication number: 20230202923
    Abstract: Disclosed herein are a lightweight geopolymer foam with low thermal conductivity and a manufacturing method therefor in which coal bottom ash and fly ash are used together as materials for the geopolymer foam and silica fume is added to a mixed solution of an alkali activator and sodium hydroxide. The geopolymer foam can be utilized for improving insulation performance and safety for a structure constructed with eco-friendly cement.
    Type: Application
    Filed: March 25, 2021
    Publication date: June 29, 2023
    Applicant: HEUNGKUK IND.CO.,LTD.
    Inventors: Keeyun LEE, Hyo KIM, Jihoi HEO