CN214160259U - Special device for preparing photocatalytic antibacterial coating - Google Patents
Special device for preparing photocatalytic antibacterial coating Download PDFInfo
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- CN214160259U CN214160259U CN202023106066.9U CN202023106066U CN214160259U CN 214160259 U CN214160259 U CN 214160259U CN 202023106066 U CN202023106066 U CN 202023106066U CN 214160259 U CN214160259 U CN 214160259U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Catalysts (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses a special device for preparing a photocatalytic antibacterial coating, which comprises a liquid making barrel and a stirring shaft, wherein the stirring shaft reciprocates along the X-axis and Z-axis directions in the liquid making barrel, and the outlet of the liquid making barrel is connected with a coating device through a liquid conveying pipeline; the outlet of the liquid making barrel is connected with the charging barrel through a liquid conveying pipeline, the charging barrel is connected with the roller assembly, the roller assembly acts on a base material, and the base material is arranged on the conveying track; the drying oven is arranged above the conveying crawler belt, and the base material is conveyed into the drying oven by the conveying crawler belt; the UV lamp irradiates the cavity, the UV lamp irradiates the cavity and is arranged above the conveying crawler belt in the outlet direction of the drying oven, and the heat curing device and the light curing device are connected in series through the conveying crawler belt. In this way, the utility model discloses a thermosetting, photocuring and destaticizing device compound mode keeps membrane material positive and negative charge balance in the 1m scope below through the ionized air, promotes product quality, practices thrift equipment cost, guarantee safety in production.
Description
Technical Field
The utility model relates to a special device for preparing photocatalytic antibacterial coating.
Background
Photocatalytic antibacterial is an emerging antibacterial method in recent years. Nano titanium dioxide (TiO)2) As a typical representative of the photocatalytic material, the photocatalyst has the advantages of low price, no toxicity, good stability, durable antibacterial effect, air purification, self-cleaning and the like, and the optical performance of the film is remarkably reduced due to excessive addition of titanium dioxide, so that the haze caused by the addition of the titanium dioxide is unacceptable on some film products with high requirements on the optical performance. Most of the titanium dioxide particles are buried in the coating after the coating liquid is dried. The titanium dioxide sterilization principle requires porous adsorption of bacteria, and then oxidative decomposition of organic substances such as bacteria by high-energy substances such as hydroxyl radicals and oxygen ions generated by the bacteria. Titanium dioxide is hidden under the coating, so that the titanium dioxide is not in enough contact with bacteria, and the antibacterial effect cannot be exerted to the maximum. The antibacterial effect of the titanium dioxide is realized by photocatalysis, and the titanium dioxide has no obvious antibacterial effect under the condition of no illumination, so that the use environment has great limitation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a use the special preparation facilities of functional coating of two kinds of antibacterial materials of nanometer silver, titanium dioxide simultaneously, can prepare the visible light that had both had nanometer titanium dioxide itself and disinfect under the ultraviolet ray, antiviral, the effect of degradation organic matter, automatically cleaning has the coating of nanometer silver powerful antibiotic, the effect of killing the virus under the no light source condition again.
In order to solve the technical problem, the utility model discloses a technical scheme be: the preparation device of the photocatalytic antibacterial coating comprises the following preparation procedures in sequence:
the stirring device comprises a liquid making barrel and a stirring shaft, the stirring shaft moves in the liquid making barrel in a reciprocating manner along the directions of an X axis and a Z axis, and an outlet of the liquid making barrel is connected with the coating device through a liquid conveying pipeline;
the coating device comprises a roller assembly and a charging basket, wherein the outlet of the liquid making barrel is connected with the charging basket through a liquid conveying pipeline, the charging basket is connected with the roller assembly, the roller assembly acts on a base material, and the base material is arranged on a conveying track;
the thermocuring device comprises an oven, the oven is arranged above the conveying crawler belt, and the base material is conveyed into the oven by the conveying crawler belt;
the light curing device comprises a UV lamp irradiation cavity, wherein the UV lamp irradiation cavity is arranged above the conveying crawler belt in the direction of the outlet of the oven, and the heat curing device is connected with the light curing device in series through the conveying crawler belt.
In a preferred embodiment of the present invention, the thermal curing device and the photo-curing device are both provided with static removing devices.
In a preferred embodiment of the present invention, the liquid conveying pipe is provided with a plurality of filter screen assemblies for filtering particles in the liquid.
In a preferred embodiment of the present invention, the thickness of the coating layer applied to the substrate by the roller assembly is 0.5 to 3 μm.
In a preferred embodiment of the present invention, a plurality of layers of stirring paddles are disposed on the stirring shaft in a staggered manner.
The utility model has the advantages that: the preparation device of the utility model adopts a combined mode of thermosetting, photo-curing and static removing devices, keeps the balance of positive and negative charges of the membrane within the range of 1m below through ionized air, improves the product quality, saves the equipment cost and ensures the safe production; the prepared coating contains the silver-loaded titanium dioxide nanoparticles, has the functions of sterilization, antivirus, organic matter degradation and self-cleaning of the nano titanium dioxide under visible light and ultraviolet light, and also has the functions of strong antibacterial and virus killing of the nano silver under the condition of no illumination.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the special device for preparing a photocatalytic antibacterial coating according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front" and "rear" and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
The utility model discloses a:
a special device for preparing a photocatalytic antibacterial coating is shown in figure 1, and sequentially comprises the following preparation processes:
the stirring device comprises a liquid making barrel 8 and a stirring shaft 9, the stirring shaft 9 reciprocates in the liquid making barrel 8 along the X-axis direction and the Z-axis direction, and the outlet of the liquid making barrel 8 is connected with the coating device through a liquid conveying pipeline 10; the filter screen components 11 are arranged for filtering particles in the feed liquid and ensuring better coating effect.
In order to ensure the pre-dispersion and mixing effect, the utility model preferably has a plurality of layers of stirring paddles arranged in a staggered way on the stirring shaft, which is not shown in the figure.
The coating device comprises a roller assembly 12 and a material barrel, wherein the outlet of the liquid making barrel 8 is connected with the material barrel through a liquid conveying pipeline 10, the material barrel is connected with the roller assembly 12, the roller assembly 12 acts on a base material 13, and the base material 13 is arranged on a conveying crawler 14; the coating thickness of the roller assembly 12 is 0.5 to 3 μm.
The thermocuring device comprises an oven 15, the oven 15 is arranged above the conveying crawler 14, and the substrate 13 is conveyed into the oven 15 by the conveying crawler 14; the temperature of the thermosetting is 50-150 ℃, and the curing time is 30-60 s.
The light curing device comprises a UV lamp irradiation cavity 16, and the power of the UV lamp is 50-444 mJ/cm2. The UV lamp irradiation chamber 16 is provided above the conveyor belt 14 in the direction of the outlet of the oven 15, and the heat curing device and the light curing device are connected in series by the conveyor belt 14. The light curing device can also shorten the light curing time or reduce the number of series devices by adjusting the radiation intensity, thereby saving the equipment cost.
And static electricity removing devices 17 are arranged in the heat curing device and the light curing device. The curing equipment is additionally provided with the static removing device 17, the positive and negative charges of the membrane material in the range of 1m below the curing equipment are kept balanced through ionized air, the product quality is improved, and the safety production is guaranteed.
The preparation process of the utility model comprises the following steps: firstly, carrying out pre-dispersion on silver-loaded nano titanium dioxide and a surfactant in a solvent, and then mixing a dispersion liquid obtained by pre-dispersion with a scratch-resistant agent and the solvent to obtain an antibacterial liquid; and filtering the agglomerated nano particles in the antibacterial solution, finally coating the antibacterial solution on a substrate, and performing thermal curing and UV (ultraviolet) light curing to obtain the antibacterial coating.
Wherein the thermal curing temperature is 50-150 ℃, the curing time is 30-60 s, and the power of a UV lamp for UV light curing is 50-444 mJ/cm2. The particle size of the silver-loaded titanium dioxide is 10-50 nm.
The photocatalytic antibacterial coating reduces the forbidden bandwidth of titanium dioxide by doping silver, improves the utilization rate of sunlight and enhances the photocatalytic performance of titanium dioxide. Due to the strong antibacterial action of the nano silver, the dosage of the titanium dioxide is reduced, and the influence on the optical performance of the product is reduced. The nano silver loaded on the titanium dioxide overcomes the defects of less effective components and weak antibacterial capability of the titanium dioxide, is not influenced by illumination and can still be normally used in a dark environment. Compared with a pure nano silver antibacterial film, the self-cleaning function is increased.
In conclusion, the coating prepared by the special device for preparing the photocatalytic antibacterial coating contains the silver-loaded titanium dioxide nanoparticles, has the functions of sterilization, virus resistance, organic matter degradation and self cleaning of the nano titanium dioxide under visible light and ultraviolet light, and also has the functions of strong antibacterial and virus killing of the nano silver under the condition of no illumination.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. The special device for preparing the photocatalytic antibacterial coating is characterized by sequentially comprising the following preparation procedures:
the stirring device comprises a liquid making barrel and a stirring shaft, the stirring shaft moves in the liquid making barrel in a reciprocating manner along the directions of an X axis and a Z axis, and an outlet of the liquid making barrel is connected with the coating device through a liquid conveying pipeline;
the coating device comprises a roller assembly and a charging basket, wherein the outlet of the liquid making barrel is connected with the charging basket through a liquid conveying pipeline, the charging basket is connected with the roller assembly, the roller assembly acts on a base material, and the base material is arranged on a conveying track;
the thermocuring device comprises an oven, the oven is arranged above the conveying crawler belt, and the base material is conveyed into the oven by the conveying crawler belt;
the light curing device comprises a UV lamp irradiation cavity, wherein the UV lamp irradiation cavity is arranged above the conveying crawler belt in the direction of the outlet of the oven, and the heat curing device is connected with the light curing device in series through the conveying crawler belt.
2. The special device for preparing the photocatalytic antibacterial coating as claimed in claim 1, wherein the heat curing device and the light curing device are both provided with static electricity removing devices.
3. The special device for preparing the photocatalytic antibacterial coating as claimed in claim 1, wherein a plurality of filter screen assemblies are arranged on the liquid conveying pipeline and used for filtering particles in the liquid.
4. The special device for preparing the photocatalytic antibacterial coating as claimed in claim 1, wherein the thickness of the coating layer acted on the substrate by the roller assembly is 0.5-3 μm.
5. The special device for preparing the photocatalytic antibacterial coating as claimed in claim 1, wherein a plurality of layers of stirring paddles are arranged on the stirring shaft in a staggered manner.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106066.9U CN214160259U (en) | 2020-12-22 | 2020-12-22 | Special device for preparing photocatalytic antibacterial coating |
| JP2021003730U JP3235275U (en) | 2020-12-22 | 2021-09-28 | Dedicated device for forming an optical induction antibacterial layer |
| PCT/CN2021/122819 WO2022134737A1 (en) | 2020-12-22 | 2021-10-09 | Special device for preparing photocatalytic antibacterial coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106066.9U CN214160259U (en) | 2020-12-22 | 2020-12-22 | Special device for preparing photocatalytic antibacterial coating |
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| Publication Number | Publication Date |
|---|---|
| CN214160259U true CN214160259U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023106066.9U Active CN214160259U (en) | 2020-12-22 | 2020-12-22 | Special device for preparing photocatalytic antibacterial coating |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3235275U (en) |
| CN (1) | CN214160259U (en) |
| WO (1) | WO2022134737A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134737A1 (en) * | 2020-12-22 | 2022-06-30 | 常州山由帝杉防护材料制造有限公司 | Special device for preparing photocatalytic antibacterial coating |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030152693A1 (en) * | 2002-02-12 | 2003-08-14 | Su Kai C. | Methods of applying a coating to an optical surface |
| DE102011077612A1 (en) * | 2011-06-16 | 2012-12-20 | Evonik Röhm Gmbh | Process for the continuous inline production of coated polymeric substrates or laminates |
| CN105983514A (en) * | 2015-03-06 | 2016-10-05 | 上海维凯光电新材料有限公司 | Photocuring coating device applicable to hydrophilic aluminum foil coating and coating method based on device |
| CN106997116B (en) * | 2017-04-28 | 2018-02-23 | 深圳市唯酷光电有限公司 | The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal |
| TWM553258U (en) * | 2017-09-06 | 2017-12-21 | Chia Mey Machinery Co Ltd | Adhesive coating and photo curing machine |
| CN108927310A (en) * | 2018-05-10 | 2018-12-04 | 惠州市普利司德高分子材料有限公司 | A kind of Multifunctional two-sided coating apparatus |
| CN214160259U (en) * | 2020-12-22 | 2021-09-10 | 常州山由帝杉防护材料制造有限公司 | Special device for preparing photocatalytic antibacterial coating |
| CN112409836A (en) * | 2020-12-22 | 2021-02-26 | 常州山由帝杉防护材料制造有限公司 | Photocatalytic antibacterial coating and preparation device thereof |
-
2020
- 2020-12-22 CN CN202023106066.9U patent/CN214160259U/en active Active
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2021
- 2021-09-28 JP JP2021003730U patent/JP3235275U/en active Active
- 2021-10-09 WO PCT/CN2021/122819 patent/WO2022134737A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134737A1 (en) * | 2020-12-22 | 2022-06-30 | 常州山由帝杉防护材料制造有限公司 | Special device for preparing photocatalytic antibacterial coating |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022134737A1 (en) | 2022-06-30 |
| JP3235275U (en) | 2021-12-09 |
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