CN111925682A - Antibacterial molecular sieve coating aluminum foil and preparation method thereof - Google Patents
Antibacterial molecular sieve coating aluminum foil and preparation method thereof Download PDFInfo
- Publication number
- CN111925682A CN111925682A CN202010798683.5A CN202010798683A CN111925682A CN 111925682 A CN111925682 A CN 111925682A CN 202010798683 A CN202010798683 A CN 202010798683A CN 111925682 A CN111925682 A CN 111925682A
- Authority
- CN
- China
- Prior art keywords
- aluminum foil
- graphene oxide
- parts
- molecular sieve
- antibacterial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- 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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
-
- 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
- B05D2252/00—Sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses an antibacterial molecular sieve coating aluminum foil and a preparation method thereof, wherein the product comprises 1 antibacterial molecular sieve coating and aluminum foil; at least one side of the aluminum foil is provided with the antibacterial molecular sieve coating; the antibacterial molecular sieve coating comprises modified graphene oxide; the modified graphene oxide interlamellar epoxy groups are at least partially modified by octadecylamine; antibacterial nano-particles are embedded between the modified graphene oxide layers; the D50 of the antibacterial nano-particles is 100-200 nm; an intermediate layer is also arranged between the antibacterial molecular sieve and the modified graphene oxide; the intermediate layer comprises a silane coupling agent and nano gamma-AlOOH; the silane coupling agent is arranged on the surface of the aluminum foil so as to connect the nano gamma-AlOOH with the aluminum foil. The product obtained by the invention has excellent antibacterial performance, and the excellent antibacterial performance can be still maintained even if the surface molecular sieve layer falls off.
Description
Technical Field
The invention relates to the technical field of aluminum foil materials, in particular to an antibacterial molecular sieve coating aluminum foil and a preparation method thereof.
Background
The aluminum foil paper is formed by pasting and bonding aluminum foil lining paper and aluminum foil. The paper is soft and easy to deform, is like paper, does not rebound after deformation, ensures shading, does not fall off, is light-proof, has no pollution and is low in price. The aluminum foil paper is used as an industrial manufacturing raw and auxiliary material, is mainly applied to packaging protection, articles for daily use, buildings and the like, and has wide application, including aviation food packaging, common meat packaging, cigarette packaging and the like; although the aluminum foil package is developed later, the market growth is rapid, the prospect is attractive, the aluminum foil paper can replace single materials more, the aluminum foil paper can be widely applied to various flexible packages, and the development prospect of the aluminum foil package is very wide along with the economic development. The aluminum foil paper is remarkable in building application, and is more convenient and clean to construct when being adhered to the surface of the heat insulation material, and particularly the appearance of the aluminum foil paper reaches a new height.
The existing aluminum-foil paper adopts a traditional production mode, adopts common wood as a raw material, is not environment-friendly and cannot effectively utilize resources, the existing mildew-proof and antibacterial aluminum-foil paper is only added with some mildew inhibitors and antibacterial agents in the paper making process, most of organic mildew inhibitors and organic antibacterial agents can be decomposed or react with other substances at overhigh temperature, so that the organic mildew inhibitors and the organic antibacterial agents are ineffective, the mildew-proof and antibacterial performances of the aluminum-foil paper are greatly reduced, the aluminum-foil paper cannot adapt to the environment with higher temperature, the limitation is large, and the diversified requirements of the aluminum-foil paper cannot be met.
The hydrophilic paint is a special water paint for improving the surface performance of substances, and is mainly used for aluminum and aluminum alloy products, in particular to heat exchanger fins of air conditioners. The water paint is developed and widely applied in the early stage of the 60 th century, and in the industry, the water paint takes a solvent as water, has low cost and little environmental pollution, and is an environment-friendly paint. The antibacterial coating is prepared by adding an antibacterial agent into the coating, so that the coating has antibacterial performance. Antibacterial coatings are mainly divided into two main categories: organic antibacterial coatings and inorganic antibacterial coatings. However, since the bonding force between the coating and the aluminum foil is not strong, the antibacterial performance of the product cannot be effectively maintained for a long time in the actual use process.
Disclosure of Invention
The invention aims to provide an antibacterial molecular sieve coating aluminum foil and a preparation method thereof, and aims to overcome the defects that in the prior art, the binding force between a coating and the aluminum foil is not firm, and the antibacterial performance of a product cannot be effectively maintained for a long time in the actual use process.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial molecular sieve coating aluminum foil comprises an antibacterial molecular sieve coating and an aluminum foil; at least one side of the aluminum foil is provided with the antibacterial molecular sieve coating;
the antibacterial molecular sieve coating comprises modified graphene oxide;
the modified graphene oxide interjacent epoxy group is at least partially modified with octadecylamine.
A preparation method of an antibacterial molecular sieve coating aluminum foil comprises the following specific preparation steps:
modification of graphene oxide:
according to the weight parts, sequentially taking 10-20 parts of graphene oxide, 200-500 parts of water and 8-10 parts of octadecylamine, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring, reacting, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
according to the weight parts, 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder and 100-200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coating aluminum foil.
Compared with the prior art, the beneficial effect of the above technical scheme is:
according to the technical scheme, the surface of the aluminum foil is coated with the graphene oxide modified by the octadecylamine, and the graphene oxide is used as a molecular sieve antibacterial coating, so that the graphene oxide modified by the octadecylamine has good antibacterial performance; secondly, octadecylamine replaces epoxy groups between graphene oxide layers, so that more hydrophobic functional groups are exposed between the graphene oxide layers, and the attachment of microorganisms is effectively avoided; furthermore, octadecylamine has longer alkyl chain, through with it after introducing graphene oxide interlaminar structure, can effectively utilize its steric hindrance effect, widens graphene oxide's interlaminar distance to reduced the interact power between graphene oxide layer and the layer, even there is microorganism such as bacterium after the superficial deposit, graphene oxide's top layer can drop gradually because the interact power weakens, thereby exposes out new surface, makes the antibacterial property of product have good self-healing ability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An antibacterial molecular sieve coating aluminum foil comprises an antibacterial molecular sieve coating and an aluminum foil; at least one side of the aluminum foil is provided with the antibacterial molecular sieve coating;
the antibacterial molecular sieve coating comprises modified graphene oxide;
the modified graphene oxide interjacent epoxy group is at least partially modified with octadecylamine.
Furthermore, antibacterial nano-particles are embedded between the modified graphene oxide layers; the D50 of the antibacterial nano-particles is 100-200 nm; the nano antibacterial particles are nano titanium dioxide.
Further, all of the modified graphene oxide interlayer epoxy groups are modified by octadecylamine.
Further, an intermediate layer is arranged between the antibacterial molecular sieve and the modified graphene oxide; the intermediate layer comprises a silane coupling agent and nano gamma-AlOOH; the silane coupling agent is arranged on the surface of the aluminum foil so as to connect the nano gamma-AlOOH with the aluminum foil.
Further, the silane coupling agent is at least one of a silane coupling agent KH-550, a silane coupling agent KH-560 and a silane coupling agent KH-570.
A preparation method of an antibacterial molecular sieve coating aluminum foil comprises the following specific preparation steps:
modification of graphene oxide:
according to the weight parts, sequentially taking 10-20 parts of graphene oxide, 200-500 parts of water and 8-10 parts of octadecylamine, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring, reacting, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
according to the weight parts, 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder and 100-200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coating aluminum foil.
Further, the specific preparation steps further comprise:
modification of graphene oxide:
according to the weight parts, 10-20 parts of graphene oxide, 500 parts of 200-containing organic silicon, 8-10 parts of octadecylamine, 8-10 parts of tetrabutyl titanate, 120 parts of anhydrous ethanol and 8-10 parts of fatty acid are sequentially taken, the graphene oxide is firstly dispersed in water, then the octadecylamine is added, after heating and stirring reaction, filtration, washing and drying are carried out to obtain pretreated graphene oxide, then the pretreated graphene oxide is dispersed in the anhydrous ethanol, then tetrabutyl titanate and fatty acid are added, after heating and refluxing, reaction is carried out for 3-5h, and then filtration, washing and drying are carried out to obtain the modified graphene oxide.
Preparing an aluminum foil product:
according to the weight parts, 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder and 100-200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coating aluminum foil.
Further, the specific preparation steps further comprise:
pretreatment of aluminum foil:
firstly, dipping an aluminum foil in an ethanol solution of a silane coupling agent, taking out the aluminum foil, dipping the aluminum foil in absolute ethyl alcohol, then adding aluminum isopropoxide accounting for 1-10% of the mass of the absolute ethyl alcohol and fatty acid accounting for 10-15% of the mass of the absolute ethyl alcohol, heating to react, taking out the aluminum foil, and drying to obtain the pretreated aluminum foil.
Example 1
Pretreatment of aluminum foil:
mixing a silane coupling agent and absolute ethyl alcohol according to a mass ratio of 1: 5, mixing and dissolving to obtain an ethanol solution of the silane coupling agent; firstly, dipping an aluminum foil in an ethanol solution of a silane coupling agent at the temperature of 45 ℃, taking out the aluminum foil after 4 hours of dipping, dipping the aluminum foil in absolute ethyl alcohol, then adding aluminum isopropoxide accounting for 1 percent of the mass of the absolute ethyl alcohol and fatty acid accounting for 10 percent of the mass of the absolute ethyl alcohol, heating and reacting for 3 hours at the temperature of 75 ℃, taking out the aluminum foil, and drying to obtain a pretreated aluminum foil;
modification of graphene oxide:
taking 10 parts of graphene oxide, 200 parts of water, 8 parts of octadecylamine, 8 parts of tetrabutyl titanate, 100 parts of absolute ethyl alcohol and 8 parts of fatty acid in sequence, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring and reacting for 24 hours at the temperature of 80 ℃ and the stirring speed of 300r/min, filtering, washing and drying to obtain pretreated graphene oxide, dispersing the pretreated graphene oxide in the absolute ethyl alcohol, then adding the tetrabutyl titanate and the fatty acid, heating to reflux, reacting for 3 hours, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
according to the weight parts, sequentially taking 10 parts of modified graphene oxide, 4 parts of water-based binder and 100 parts of water, stirring and mixing, coating on the surface of an aluminum foil, and drying to obtain the antibacterial molecular sieve coated aluminum foil;
the silane coupling agent is a silane coupling agent KH-550.
Example 2
Pretreatment of aluminum foil:
mixing a silane coupling agent and absolute ethyl alcohol according to a mass ratio of 1: 10, mixing and dissolving to obtain an ethanol solution of the silane coupling agent; firstly, dipping an aluminum foil in an ethanol solution of a silane coupling agent at the temperature of 55 ℃, taking out the aluminum foil after 6 hours of dipping, dipping the aluminum foil in absolute ethyl alcohol, then adding aluminum isopropoxide accounting for 10 percent of the mass of the absolute ethyl alcohol and fatty acid accounting for 15 percent of the mass of the absolute ethyl alcohol, heating and reacting for 5 hours at the temperature of 85 ℃, taking out the aluminum foil, and drying to obtain a pretreated aluminum foil;
modification of graphene oxide:
according to the weight parts, sequentially taking 20 parts of graphene oxide, 500 parts of water, 10 parts of octadecylamine, 10 parts of tetrabutyl titanate, 120 parts of absolute ethyl alcohol and 10 parts of fatty acid, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring and reacting for 36 hours at the temperature of 85 ℃ and the stirring speed of 600r/min, filtering, washing and drying to obtain pretreated graphene oxide, dispersing the pretreated graphene oxide in the absolute ethyl alcohol, then adding the tetrabutyl titanate and the fatty acid, heating to reflux, reacting for 5 hours, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
according to the weight parts, 20 parts of modified graphene oxide, 8 parts of water-based binder and 200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coated aluminum foil;
the silane coupling agent is a silane coupling agent KH-560.
Example 3
Pretreatment of aluminum foil:
mixing a silane coupling agent and absolute ethyl alcohol according to a mass ratio of 1: 8, mixing and dissolving to obtain an ethanol solution of the silane coupling agent; firstly, dipping an aluminum foil in an ethanol solution of a silane coupling agent at the temperature of 50 ℃, taking out the aluminum foil after 5 hours of dipping, dipping the aluminum foil in absolute ethyl alcohol, then adding aluminum isopropoxide accounting for 5 percent of the mass of the absolute ethyl alcohol and fatty acid accounting for 12 percent of the mass of the absolute ethyl alcohol, heating and reacting for 4 hours at the temperature of 80 ℃, taking out the aluminum foil, and drying to obtain a pretreated aluminum foil;
modification of graphene oxide:
taking 15 parts of graphene oxide, 300 parts of water, 9 parts of octadecylamine, 9 parts of tetrabutyl titanate, 110 parts of absolute ethyl alcohol and 9 parts of fatty acid in sequence, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring and reacting for 26 hours at the temperature of 82 ℃ and the stirring speed of 500r/min, filtering, washing and drying to obtain pretreated graphene oxide, dispersing the pretreated graphene oxide in the absolute ethyl alcohol, then adding the tetrabutyl titanate and the fatty acid, heating to reflux, reacting for 4 hours, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
taking 15 parts of modified graphene oxide, 5 parts of aqueous binder and 150 parts of water in sequence by weight, stirring and mixing, coating on the surface of an aluminum foil, and drying to obtain the antibacterial molecular sieve coating aluminum foil;
the silane coupling agent is a silane coupling agent KH-570.
Comparative example 1
This comparative example is different from example 1 in that the aluminum foil was used without pretreatment and the remaining conditions were maintained.
Comparative example 2
This comparative example is compared with example 1, with the difference that tetrabutyl titanate is not added and the remaining conditions remain unchanged.
The products obtained in examples 1-3 and comparative examples 1-2 were tested for their performance, and the specific test methods and test results are as follows:
spraying the same amount of mixed spore suspension on the samples with the same size as the products of the examples and the comparative examples, then placing the samples in an environment with the temperature of 25 ℃ and the relative humidity of 80% for 15 days, and observing the growth condition of the mold on the surface of each sample, wherein the specific test result is shown as A in the table 1;
after the 10-cycle test of each example and comparative product, the mold growth on the surface of each sample was observed, and the specific test results are shown in table 1B:
table 1: product performance test results
As can be seen from the test results in Table 1, the product obtained by the technical scheme of the application has excellent antibacterial effect, and can still maintain the excellent antibacterial effect after being used for a long time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference thereto is therefore intended to be embraced therein.
Claims (9)
1. An antibacterial molecular sieve coating aluminum foil is characterized by comprising an antibacterial molecular sieve coating and an aluminum foil; at least one side of the aluminum foil is provided with the antibacterial molecular sieve coating;
the antibacterial molecular sieve coating comprises modified graphene oxide;
the modified graphene oxide interjacent epoxy group is at least partially modified with octadecylamine.
2. The antibacterial molecular sieve coated aluminum foil as claimed in claim 1, wherein antibacterial nanoparticles are embedded between the modified graphene oxide layers; the D50 of the antibacterial nano-particles is 100-200 nm.
3. The antibacterial molecular sieve coated aluminum foil as claimed in claim 1, wherein the nanoparticles are nano titanium dioxide.
4. The antibacterial molecular sieve coated aluminum foil as claimed in any one of claims 1 or 2, wherein all of the modified graphene oxide interlaminar epoxy groups are modified with octadecylamine.
5. The antibacterial molecular sieve coated aluminum foil as claimed in claim 1, wherein an intermediate layer is further arranged between the antibacterial molecular sieve and the modified graphene oxide; the intermediate layer comprises a silane coupling agent and nano gamma-AlOOH; the silane coupling agent is arranged on the surface of the aluminum foil so as to connect the nano gamma-AlOOH with the aluminum foil.
6. The antibacterial molecular sieve coated aluminum foil as claimed in claim 4, wherein the silane coupling agent is at least one of a silane coupling agent KH-550, a silane coupling agent KH-560, and a silane coupling agent KH-570.
7. A preparation method of an antibacterial molecular sieve coating aluminum foil is characterized by comprising the following specific preparation steps:
modification of graphene oxide:
according to the weight parts, sequentially taking 10-20 parts of graphene oxide, 200-500 parts of water and 8-10 parts of octadecylamine, firstly dispersing the graphene oxide in the water, then adding the octadecylamine, heating, stirring, reacting, filtering, washing and drying to obtain modified graphene oxide;
preparing an aluminum foil product:
according to the weight parts, 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder and 100-200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coating aluminum foil.
8. The preparation method of the antibacterial molecular sieve coated aluminum foil as claimed in claim 1, which is characterized by further comprising the following specific preparation steps:
modification of graphene oxide:
according to the weight parts, 10-20 parts of graphene oxide, 500 parts of 200-containing organic silicon, 8-10 parts of octadecylamine, 8-10 parts of tetrabutyl titanate, 120 parts of anhydrous ethanol and 8-10 parts of fatty acid are sequentially taken, the graphene oxide is firstly dispersed in water, then the octadecylamine is added, after heating and stirring reaction, filtration, washing and drying are carried out to obtain pretreated graphene oxide, then the pretreated graphene oxide is dispersed in the anhydrous ethanol, then tetrabutyl titanate and fatty acid are added, after heating and refluxing, reaction is carried out for 3-5h, and then filtration, washing and drying are carried out to obtain the modified graphene oxide.
Preparing an aluminum foil product:
according to the weight parts, 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder and 100-200 parts of water are sequentially taken, stirred and mixed, coated on the surface of an aluminum foil, and dried to obtain the antibacterial molecular sieve coating aluminum foil.
9. The preparation method of the antibacterial molecular sieve coated aluminum foil as claimed in claim 1, which is characterized by further comprising the following specific preparation steps:
pretreatment of aluminum foil:
firstly, dipping an aluminum foil in an ethanol solution of a silane coupling agent, taking out the aluminum foil, dipping the aluminum foil in absolute ethyl alcohol, then adding aluminum isopropoxide accounting for 1-10% of the mass of the absolute ethyl alcohol and fatty acid accounting for 10-15% of the mass of the absolute ethyl alcohol, heating to react, taking out the aluminum foil, and drying to obtain the pretreated aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798683.5A CN111925682A (en) | 2020-08-11 | 2020-08-11 | Antibacterial molecular sieve coating aluminum foil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798683.5A CN111925682A (en) | 2020-08-11 | 2020-08-11 | Antibacterial molecular sieve coating aluminum foil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111925682A true CN111925682A (en) | 2020-11-13 |
Family
ID=73307299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010798683.5A Pending CN111925682A (en) | 2020-08-11 | 2020-08-11 | Antibacterial molecular sieve coating aluminum foil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111925682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339172A (en) * | 2022-10-17 | 2022-11-15 | 宁波时代铝箔科技股份有限公司 | Preparation method of antibacterial aluminum foil material, antibacterial aluminum foil and aluminum foil lunch box |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2452558A1 (en) * | 2006-10-12 | 2012-05-16 | NM Tech Nanomaterials Microdevice Technology, Ltd. | Material, item and products comprising a composition having anti-microbial properties |
| CN104769049A (en) * | 2012-07-13 | 2015-07-08 | 哈佛学院 | Multifunctional repellent materials |
| CN105602376A (en) * | 2016-03-18 | 2016-05-25 | 江苏常铝铝业股份有限公司 | Graphene modified aluminum foil hydrophilic coating as well as preparation method and application method thereof |
| CN106964528A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of method of surface treatment before composite material blade coating iron at the leading edge spray painting |
| CN107377330A (en) * | 2017-06-19 | 2017-11-24 | 苏州乔纳森新材料科技有限公司 | A kind of method that nano ceramics is surface-treated to Nd-Fe-B permanent magnet material |
| CN107955482A (en) * | 2017-12-04 | 2018-04-24 | 马晓洁 | A kind of graphene-based antibacterial, wear-resisting dual-component coating and preparation method thereof, application and application method |
| KR20180068208A (en) * | 2016-12-13 | 2018-06-21 | 금오공과대학교 산학협력단 | manufacturing method of cabin air filter using TiO2 nanotube and cabin air filter using TiO2 nanotube thereby |
| CN108624203A (en) * | 2017-03-16 | 2018-10-09 | 青岛大学 | A kind of preparation method of graphene oxide/titanium dioxide composite coating |
| CN109111819A (en) * | 2018-06-26 | 2019-01-01 | 常州市蓝勖化工有限公司 | A kind of epoxy resin-matrix insulating mold coating |
| CN109536013A (en) * | 2018-12-28 | 2019-03-29 | 中国船舶重工集团公司第十二研究所 | A kind of preparation method of the hydrophobic nonpolluting coating of graphene in-situ preparation of graft modification |
| CN110105828A (en) * | 2019-04-28 | 2019-08-09 | 苏州格瑞丰纳米科技有限公司 | A kind of graphene slurry, preparation method and application for metal coating |
| CN110157225A (en) * | 2019-04-15 | 2019-08-23 | 太原理工大学 | A kind of preparation method of metal surface graphene-antifouling corrosion-resistant composite coating of antibacterial |
| CN111117470A (en) * | 2019-12-25 | 2020-05-08 | 安徽瑞波源数据科技有限公司 | High-molecular ceramic particle wear-resistant paint and preparation method thereof |
-
2020
- 2020-08-11 CN CN202010798683.5A patent/CN111925682A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2452558A1 (en) * | 2006-10-12 | 2012-05-16 | NM Tech Nanomaterials Microdevice Technology, Ltd. | Material, item and products comprising a composition having anti-microbial properties |
| CN104769049A (en) * | 2012-07-13 | 2015-07-08 | 哈佛学院 | Multifunctional repellent materials |
| CN104797662A (en) * | 2012-07-13 | 2015-07-22 | 哈佛学院 | Slips surface based on metal-containing compound |
| CN106964528A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of method of surface treatment before composite material blade coating iron at the leading edge spray painting |
| CN105602376A (en) * | 2016-03-18 | 2016-05-25 | 江苏常铝铝业股份有限公司 | Graphene modified aluminum foil hydrophilic coating as well as preparation method and application method thereof |
| KR20180068208A (en) * | 2016-12-13 | 2018-06-21 | 금오공과대학교 산학협력단 | manufacturing method of cabin air filter using TiO2 nanotube and cabin air filter using TiO2 nanotube thereby |
| CN108624203A (en) * | 2017-03-16 | 2018-10-09 | 青岛大学 | A kind of preparation method of graphene oxide/titanium dioxide composite coating |
| CN107377330A (en) * | 2017-06-19 | 2017-11-24 | 苏州乔纳森新材料科技有限公司 | A kind of method that nano ceramics is surface-treated to Nd-Fe-B permanent magnet material |
| CN107955482A (en) * | 2017-12-04 | 2018-04-24 | 马晓洁 | A kind of graphene-based antibacterial, wear-resisting dual-component coating and preparation method thereof, application and application method |
| CN109111819A (en) * | 2018-06-26 | 2019-01-01 | 常州市蓝勖化工有限公司 | A kind of epoxy resin-matrix insulating mold coating |
| CN109536013A (en) * | 2018-12-28 | 2019-03-29 | 中国船舶重工集团公司第十二研究所 | A kind of preparation method of the hydrophobic nonpolluting coating of graphene in-situ preparation of graft modification |
| CN110157225A (en) * | 2019-04-15 | 2019-08-23 | 太原理工大学 | A kind of preparation method of metal surface graphene-antifouling corrosion-resistant composite coating of antibacterial |
| CN110105828A (en) * | 2019-04-28 | 2019-08-09 | 苏州格瑞丰纳米科技有限公司 | A kind of graphene slurry, preparation method and application for metal coating |
| CN111117470A (en) * | 2019-12-25 | 2020-05-08 | 安徽瑞波源数据科技有限公司 | High-molecular ceramic particle wear-resistant paint and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 樊姗: "《石墨烯材料的基础及其在能源领域的应用》", 28 February 2019, 黑龙江大学出版社 * |
| 汪多仁: "《绿色化工助剂》", 31 January 2006, 北京：科学技术文献出版社 * |
| 钱苗根: "《材料表面技术及其应用手册》", 30 November 1998, 北京：机械工业出版社 * |
| 陈军刚等: "TiO2/氧化石墨烯纳米复合物的制备及结构变化", 《人工晶体学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339172A (en) * | 2022-10-17 | 2022-11-15 | 宁波时代铝箔科技股份有限公司 | Preparation method of antibacterial aluminum foil material, antibacterial aluminum foil and aluminum foil lunch box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102408220B (en) | All-in-one water-borne inorganic-organic hybrid architectural coating and preparation method thereof | |
| CN108587447B (en) | Preparation method of durable transparent super-hydrophobic coating suitable for various substrates | |
| CN109629326B (en) | Preparation method and application of hydrophobic barrier paper-based paint | |
| CN108641419B (en) | Super-hydrophilic coating sol and preparation and use methods thereof | |
| CN107446153B (en) | Preparation method of quaternary ammonium salinized polyvinyl alcohol-cellulose-graphene oxide composite film | |
| CN112745726A (en) | High-performance organic-inorganic composite heat-reflection waterproof coating, and preparation method and application thereof | |
| CN111068997A (en) | Preparation method of coating for realizing super-hydrophobicity of condensation heat exchange tube and condensation heat exchange tube | |
| CN111892857A (en) | Industrial pipeline anticorrosion powder coating and preparation method thereof | |
| CN111925682A (en) | Antibacterial molecular sieve coating aluminum foil and preparation method thereof | |
| CN107447592B (en) | A kind of hydrophobic antimicrobial agent and hydrophobic antimicrobial enhancing corrugated board and preparation method for corrugated board | |
| CN110759668B (en) | Anti-cracking self-cleaning stone-like paint and preparation method thereof | |
| CN114086431B (en) | High-stain-resistance decorative paper and preparation method thereof | |
| CN109851881A (en) | A kind of dedicated high brightness ultra-thin aluminium pigment of plastic cement and preparation method thereof | |
| CN113737571A (en) | Preparation method of sustainable high-barrier paper base material with enhanced moisture and oxygen resistance | |
| CN108102434B (en) | Nano toughened inorganic zinc-rich coating and preparation method thereof | |
| CN113511845A (en) | Inorganic coating based on fly ash geopolymer and preparation method thereof | |
| CN104860551A (en) | Preparation method of chitosan modified starch impregnating compound | |
| CN103936014B (en) | A kind of preparation method of white carbon black | |
| CN102627871A (en) | Preparation method for novel surface organically modified inorganic nanometer damping material | |
| CN109251564A (en) | A kind of compound diatom ooze of no rubber powder and preparation method thereof | |
| CN101215433A (en) | Multifunctional putty powder and preparation method thereof | |
| CN111099597B (en) | Active nano silicon dioxide microsphere, solution, preparation method and application thereof | |
| CN112011039A (en) | Water-soluble polymer modifier with polyester structure for calcium carbonate surface modification and preparation method thereof | |
| CN108772930B (en) | Wicker product capable of absorbing ultraviolet radiation | |
| CN105820444A (en) | Polypropylene composite nucleating agent based on calcium sulfate whiskers and preparing method of polypropylene composite nucleating agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201113 |