CN112961386A - Preparation method of antibacterial and antiviral functional film - Google Patents
Preparation method of antibacterial and antiviral functional film Download PDFInfo
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- CN112961386A CN112961386A CN202110152133.0A CN202110152133A CN112961386A CN 112961386 A CN112961386 A CN 112961386A CN 202110152133 A CN202110152133 A CN 202110152133A CN 112961386 A CN112961386 A CN 112961386A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- 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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- 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 a preparation method of an antibacterial and antiviral functional film, which comprises the following raw materials of 22-30 parts by weight of water-soluble polymer adhesive, 5-10 parts by weight of nano silver sol, 2-10 parts by weight of organic antibacterial agent, 5-15 parts by weight of auxiliary agent and 31-60 parts by weight of water. The film with the antibacterial and antiviral functions has high use safety, the quick-acting antibacterial rate of the surface of the processed film reaches over 99 percent, and the film has very good quick-acting killing effect on influenza A virus (H1N1), is non-toxic, has no irritation to skin, and has very good long-acting lasting effect.
Description
Technical Field
The invention belongs to the technical field of antibiosis and antivirus, and particularly relates to a preparation method of an antibacterial and antivirus functional film.
Background
In the early 2020, a sudden epidemic situation affects the health of human beings, and a safe and healthy living environment increasingly becomes a pursuit target of everyone. Along with outbreak of epidemic situation, harmful bacteria and viruses in living environment attract attention of people, and the antibacterial and antiviral functions become important tasks for guaranteeing health of people. To inhibit bacteria, virus regeneration and propagation, the membranes are currently treated in two main ways: the other method is to add antibacterial and antiviral master batches directly into plastic particles in proportion and then obtain the finally required functional film through a corresponding film-making process. However, the method has high requirements on machine equipment, and manufacturers of inorganic equipment have difficulty in achieving the aims of antibiosis and antivirus through the processing mode if the BOPP film is manufactured. The other is a post-treatment technology, namely a functional coating is attached to the surface of the film, and finally the surface of the film substrate is combined with the functional coating to achieve the aims of resisting bacteria and viruses.
Disclosure of Invention
The antibacterial and antiviral functional film provided by the invention is prepared into an antibacterial and antiviral functional film product by attaching functional coatings on the surfaces of various film substrates, and the coating process is simple, easy to operate and more beneficial to industrial large-scale production.
In order to achieve the above object, the present invention provides, in a first aspect, an antibacterial and antiviral functional film comprising a film substrate, wherein an antibacterial and antiviral coating layer is coated on one surface of the film substrate.
Preferably, the antibacterial and antiviral coating comprises the following components in parts by weight:
22-30 parts of water-soluble polymer adhesive, 5-10 parts of nano silver sol, 2-10 parts of organic antibacterial agent, 5-15 parts of auxiliary agent and 31-60 parts of water.
Preferably, the water-soluble polymer adhesive is a water-soluble acrylic emulsion or a water-soluble polyurethane emulsion.
Preferably, the nano silver is nano silver simple substance sol with the average particle size of 20-30 nanometers.
Preferably, the organic antibacterial agent is selected from one or more of trimethoxysilylpropyldimethyloctadecyl ammonium chloride, 2-octyl-4-isothiazolin-3-one and 4, 5-dichloro-2-n-octyl-3-isothiazolin-one.
Preferably, the auxiliary agent is one or more of ethanol, propylene glycol or glycerol.
Preferably, the water is deionized water.
Preferably, the film substrate is a PE film, a BOPP film or a PET film.
In a second aspect, the present invention provides a method for preparing an antibacterial and antiviral functional film, comprising the following steps:
step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water and the auxiliary agent to obtain a solution A;
and B: adding a water-soluble polymer adhesive into the solution A under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min to obtain emulsion B;
and C: adding the nano silver sol into the emulsion B under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min, so as to obtain emulsion C;
step D: and (3) attaching the emulsion C to the surface of one side of a film substrate in a spraying, dip-coating, roller coating or silk screen coating mode, drying at the temperature of 30-60 ℃, and drying to form the antibacterial and antiviral functional film.
Compared with the prior art, the invention has the following beneficial effects:
(1) the antibacterial and antiviral functional film disclosed by the invention is simple in processing technology, easy to operate, beneficial to industrial large-scale production, environment-friendly and strong in market competitiveness;
(2) the film with the antibacterial and antiviral functions is directly attached to the surfaces of various film substrates to prepare an antibacterial and antiviral function film product;
(3) the antibacterial agent has strong antibacterial property, has good quick-acting killing effect on influenza A virus (H1N1), is nontoxic and has no irritation to skin.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The present invention will be described in detail below by way of examples. In the following examples, each material used was commercially available unless otherwise specified, and the method used was a conventional method in the art unless otherwise specified.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
All the starting materials used in the examples are commercially available, except where otherwise indicated.
The antibacterial and antiviral performance test is carried out according to the following method:
GB T31402-2015 plastic surface antibacterial property test method;
the others are carried out in a conventional manner.
Example 1
An antibacterial and antiviral functional film comprises the following components in parts by weight: 30 parts of water-soluble acrylic emulsion, 10 parts of nano-silver sol, 10 parts of organic antibacterial agent (trimethoxysilylpropyl dimethyloctadecyl ammonium chloride), 8 parts of ethanol and 42 parts of water.
The antibacterial and antiviral test is carried out on the film with the antibacterial and antiviral functions, and the antibacterial and antiviral coating has 99.99 percent and 99.99 percent of antibacterial rate on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P) respectively, and has a killing rate on H1N1 virus of more than 99.0 percent.
Example 2
An antibacterial and antiviral functional film comprises the following components in parts by weight: 22 parts of water-soluble polyurethane emulsion, 5 parts of nano-silver sol, 5 parts of organic antibacterial agent (2-octyl-4-isothiazoline-3-ketone), 15 parts of glycerol and 53 parts of water.
The antibacterial and antiviral test is carried out on the film with the antibacterial and antiviral functions, and the result shows that the antibacterial and antiviral coating has the antibacterial rates of 90% and 90% on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P) respectively, and the killing rate on H1N1 virus is more than 90.0%.
Example 3
An antibacterial and antiviral functional film comprises the following components in parts by weight: 22 parts of water-soluble polyurethane emulsion, 10 parts of nano-silver, 5 parts of organic antibacterial agent (4, 5-dichloro-2-n-octyl-3-isothiazolinone), 15 parts of propylene glycol and 31 parts of water.
The antibacterial and antiviral test is carried out on the film with the antibacterial and antiviral functions, and the antibacterial and antiviral coating has 99.99 percent and 99.99 percent of antibacterial rate on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P) respectively, and the killing rate on H1N1 virus reaches more than 90.0 percent.
The preparation method of the antibacterial and antiviral functional film in each embodiment is prepared by the following steps:
step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water and the auxiliary agent to obtain a solution A;
and B: under the stirring condition, adding a water-soluble high molecular adhesive into the solution A, wherein the stirring speed is 800rpm, and the stirring time is 30min to obtain emulsion B;
and C: adding the nano silver sol into the emulsion B under the stirring condition, wherein the stirring speed is 1000rpm, and the stirring time is 25min, so as to obtain emulsion C;
step D: and (3) attaching the emulsion C to the surface of one side of the film substrate in a spraying mode, drying at the temperature of 45 ℃, and drying to form the antibacterial and antiviral functional film.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (9)
1. An antibacterial and antiviral functional film comprises a film substrate and is characterized in that an antibacterial and antiviral coating is coated on one side surface of the film substrate.
2. An antibacterial and antiviral functional film according to claim 1, wherein said antibacterial and antiviral coating layer comprises the following components by weight:
22-30 parts of water-soluble polymer adhesive, 5-10 parts of nano silver sol, 2-10 parts of organic antibacterial agent, 5-15 parts of auxiliary agent and 31-60 parts of water.
3. The antibacterial and antiviral functional film according to claim 2, wherein the water-soluble polymer binder is a water-soluble acrylic emulsion or a water-soluble polyurethane emulsion.
4. The antibacterial and antiviral functional film according to claim 2, wherein the nano silver is a nano silver simple substance sol having an average particle size of 20 to 30 nm.
5. The antibacterial and antiviral functional film according to claim 2, wherein the organic antibacterial agent is one or more selected from trimethoxysilylpropyldimethyloctadecyl ammonium chloride, 2-octyl-4-isothiazolin-3-one and 4, 5-dichloro-2-n-octyl-3-isothiazolin-one.
6. The antibacterial and antiviral functional film according to claim 2, wherein the auxiliary is one or more of ethanol, propylene glycol or glycerin.
7. The antibacterial and antiviral functional film according to claim 2, wherein the water is deionized water.
8. The antibacterial and antiviral functional film according to claim 1, wherein the film substrate is a PE film, a BOPP film or a PET film.
9. A method for preparing an antibacterial and antiviral functional film, which comprises the steps of using the antibacterial and antiviral functional film according to any one of claims 1 to 8:
step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water and the auxiliary agent to obtain a solution A;
and B: adding a water-soluble polymer adhesive into the solution A under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min to obtain emulsion B;
and C: adding the nano silver sol into the emulsion B under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min, so as to obtain emulsion C;
step D: and (3) attaching the emulsion C to the surface of one side of a film substrate in a spraying, dip-coating, roller coating or silk screen coating mode, drying at the temperature of 30-60 ℃, and drying to form the antibacterial and antiviral functional film.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020111979143 | 2020-10-30 | ||
| CN202011197914 | 2020-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112961386A true CN112961386A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110152133.0A Pending CN112961386A (en) | 2020-10-30 | 2021-02-04 | Preparation method of antibacterial and antiviral functional film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948089A (en) * | 2022-11-30 | 2023-04-11 | 南京同曦大圣环保科技有限公司 | Antibacterial and antiviral coating for plastic toys and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060123823A (en) * | 2005-05-30 | 2006-12-05 | 양원동 | Nano silver sterilization reverse osmosis fiber membrane film |
| CN102669179A (en) * | 2012-05-30 | 2012-09-19 | 北京崇高纳米科技有限公司 | Antibacterial antiviral treating agent, preparation method and application thereof |
| CN111455670A (en) * | 2020-02-24 | 2020-07-28 | 刘白玲 | Mask-recycling re-soluble water-based treating agent and preparation method thereof |
-
2021
- 2021-02-04 CN CN202110152133.0A patent/CN112961386A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060123823A (en) * | 2005-05-30 | 2006-12-05 | 양원동 | Nano silver sterilization reverse osmosis fiber membrane film |
| CN102669179A (en) * | 2012-05-30 | 2012-09-19 | 北京崇高纳米科技有限公司 | Antibacterial antiviral treating agent, preparation method and application thereof |
| CN111455670A (en) * | 2020-02-24 | 2020-07-28 | 刘白玲 | Mask-recycling re-soluble water-based treating agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948089A (en) * | 2022-11-30 | 2023-04-11 | 南京同曦大圣环保科技有限公司 | Antibacterial and antiviral coating for plastic toys and preparation method thereof |
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Application publication date: 20210615 |