• 专利标题:   Preparing flower-type titanium dioxide-based composite photocatalytic antibacterial aqueous interior wall coating comprises e.g. configuring precursor solution of titanium dioxide-based composite photocatalytic particles, and stirring.
  • 专利号:   CN112812671-A
  • 发明人:   ZHAI F, LI L, LUO Y, CHEN X
  • 专利权人:   UNIV CHONGQING ARTS SCI
  • 国际专利分类:   C09D175/04, C09D005/14, C09D007/61
  • 专利详细信息:   CN112812671-A 18 May 2021 C09D-175/04 202152 Pages: 7 Chinese
  • 申请详细信息:   CN112812671-A CN11630351 31 Dec 2020
  • 优先权号:   CN11630351

▎ 摘  要

NOVELTY - Preparing flower-type titanium dioxide-based composite photocatalytic antibacterial aqueous interior wall coating comprises (1) configuring the precursor solution of titanium dioxide-based composite photocatalytic particles, (a) taking the titanium dioxide source and dissolving in ultrapure water, controlling the precipitation of titanium-ammonia complex by adding ammonia solution, and precipitating by suction filtration after separation, cleaning the precipitate by ultrapure water and absolute ethanol, and drying in a constant temperature drying box to obtain titanium-ammonia complex precipitate, (b) adding 6 mg/ml solution of photocatalytic nanoparticles attached to the titanium ammonia complex precipitate, configuring the precursor solution to 2-3 mol/l with ammonia and ultrapure water, and sonicating, dispersing within 30 minutes to obtain a precursor solution of titanium dioxide-based composite photocatalytic particles. USE - The method is useful for preparing flower-type titanium dioxide-based composite photocatalytic antibacterial aqueous interior wall coating. ADVANTAGE - The method: improves the antibacterial effect of the prepared photocatalytic-based interior wall coating. DETAILED DESCRIPTION - Preparing flower-type titanium dioxide-based composite photocatalytic antibacterial aqueous interior wall coating comprises (1) configuring the precursor solution of titanium dioxide-based composite photocatalytic particles, (a) taking the titanium dioxide source and dissolving in ultrapure water, controlling the precipitation of titanium-ammonia complex by adding ammonia solution, and precipitating by suction filtration after separation, cleaning the precipitate by ultrapure water and absolute ethanol, and drying in a constant temperature drying box to obtain titanium-ammonia complex precipitate, (b) adding 6 mg/ml solution of photocatalytic nanoparticles attached to the titanium ammonia complex precipitate, configuring the precursor solution to 2-3 mol/l with ammonia and ultrapure water, and sonicating, dispersing within 30 minutes to obtain a precursor solution of titanium dioxide-based composite photocatalytic particles, (2) mechanically stirring composite precursor solution and the components of the aqueous interior wall coating and mixing in the reactor to obtain a mixed coating, and (3) performing microwave reaction synthesis of the mixed coating to obtain a flower-type titanium dioxide-based composite photocatalytic antibacterial aqueous interior wall coating.