Photocatalytic glass fiber cotton dry hot-pressed composite core material and preparation method thereof

• Main Authors: CHEN XIHAO, ZHAI FUQIANG, LI LU, LUO YONGYI
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2021
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LIME, MAGNESIA; METALLURGY; MINERAL OR SLAG WOOL; REFRACTORIES; SLAG; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TREATMENT OF NATURAL STONE

The invention relates to a photocatalytic glass fiber cotton dry hot-pressing composite core material which comprises superfine glass fiber cotton, photocatalytic nanoparticles and a coupling agent, and a preparation method of the composite core material comprises the following steps: firstly, uniformly atomizing and spraying a dispersion liquid mixed with the photocatalytic nanoparticles A and the coupling agent on the surface of each superfine glass fiber to prepare fiber cotton; then dipping the fiber cotton in the ionized water dispersion liquid of the photocatalytic nanoparticles B, and carrying out ultrasonic treatment and dipping; and finally, carrying out hot pressing on the dipped fiber cotton to obtain the photocatalytic glass fiber cotton dry-method hot-pressing composite core material. According to the invention, photocatalytic nanoparticles can be ensured to grow on the surface of each fiber in an in-situ bonding manner, and then a multi-stage nano-pore structure is introduced into a three-dimens