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Multi-mode nano photocatalyst spraying agent and production method thereof

A nano-photocatalyst and spraying agent technology, used in coatings, biocide-containing paints, antifouling/underwater coatings, etc., can solve the problem of high product prices, and achieve the effect of increasing the reaction time and increasing the reaction effect.

Inactive Publication Date: 2017-12-26
HANGZHOU VOCATIONAL & TECHN COLLEGE
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Problems solved by technology

[0002] Titanium dioxide photocatalyst products on the market are mainly divided into anatase type and noble metal-doped titanium dioxide. The former can only produce the effect of purifying the air under ultraviolet light, while the latter is too expensive due to the doping of precious metals.

Method used

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Embodiment 1

[0014] The multifunctional nano-photocatalyst spraying agent described in this embodiment is prepared by combining two parts of photocatalyst powder and spraying agent solution.

[0015] ① The photocatalyst powder mainly contains: anatase crystal titanium dioxide TiO doped with iodide ions 2 , Tourmaline powder. Wherein, the content value of component doping in I-TiO2 is determined at 1: 0.10~0.20 with the molar weight ratio (Ti / I) of titanium atom and iodine atom; The mass ratio of I-TiO2 powder and tourmaline powder is mixed at 1: 0.20~0.25.

[0016] ② The main components of the spraying agent solution are: polyethylene glycol with a molecular weight of 200-400, glycerol, propylene glycol butyl ether, and purified water. Polyethylene glycol is used as a dispersant to uniformly disperse the photocatalyst powder particles to prevent the particles from settling and agglomerating to form a suspension; glycerol is used as a penetrating agent to increase permeability and improve...

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Abstract

The designed multi-mode nanometer photocatalyst spraying agent of the present invention mainly comprises photocatalyst powder and spraying agent solution, is characterized in that described photocatalyst powder mainly comprises the anatase crystal form titanium dioxide I-TiO that has been doped with iodide ions and tourmaline powder, I The doping content of the ingredients in ‑TiO2 is determined by the molar ratio of titanium atoms to iodine atoms (Ti / I) at 1:0.10~0.20; the mass ratio of I‑TiO2 powder and tourmaline powder is 1:0.20~0.25 The composition contained in the spraying agent solution is mainly: polyethylene glycol, glycerol, propylene glycol butyl ether, purified water with a molecular weight of 200~400, purified water, polyethylene glycol, glycerol and propylene glycol butyl ether The volume ratio of the content is 1:0.15-0.20:0.1-0.15:0.005-0.01.

Description

technical field [0001] The invention relates to a non-metal-doped titanium dioxide photocatalyst spraying agent, in particular to a multi-mode nanometer photocatalyst spraying agent. Background technique [0002] Titanium dioxide photocatalyst products on the market are mainly divided into anatase type and noble metal-doped titanium dioxide. The former can only produce the effect of purifying the air under ultraviolet light, while the latter is too expensive due to the doping of precious metals. On the other hand, currently there are mainly classified products on the market, which are used in a single scene, such as photocatalyst spraying agents only used for furniture. Contents of the invention [0003] In order to solve the above problems, the present invention provides a multi-mode nano photocatalyst spraying agent which is convenient to use, low in production cost, wide in application range and strong in catalytic degradation effect. [0004] In order to achieve the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/12C09D5/14
Inventor 王聪谢磊孙旭辉郭玥吴翔宇来晓帆
Owner HANGZHOU VOCATIONAL & TECHN COLLEGE
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