CN108084819A - Mildew resistant paint and its preparation method and application - Google Patents
Mildew resistant paint and its preparation method and application Download PDFInfo
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- CN108084819A CN108084819A CN201711483399.3A CN201711483399A CN108084819A CN 108084819 A CN108084819 A CN 108084819A CN 201711483399 A CN201711483399 A CN 201711483399A CN 108084819 A CN108084819 A CN 108084819A
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- Prior art keywords
- resistant paint
- mildew resistant
- raw material
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- mass fraction
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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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of mildew resistant paint and its preparation method and application, which is mainly prepared by the raw material of following mass fraction：0.3~2 part of 60~70 parts of resin, 5~8 parts of sodium Diacetate, 0.5~2 part of ursin, 0.5~2 part of thymol, 2~5 parts of houttuynia cordata injection, 25~30 parts of solvent and auxiliary agent.The mildew resistant paint of the present invention with chemical stability it is good, itself be difficult to material based on the resin to go mouldy, other mould proof ingredients are then dissolved in its strand gap, the mildew resistant paint is coated on film surface and after moisture evaporation forms coating, mould proof ingredient is exposed in coating surface in embedded mode, after being contacted with microorganism, it effectively the hypopus such as the elimination of micro-organisms or prevention gemma can sprout to achieve the purpose that prevent microbial reproduction, with very excellent fungus and mildew resistance performance, the food storage service life can be significantly improved.
Description
Technical field
The present invention relates to Prevention of Mould Development field, more particularly to a kind of mildew resistant paint and its preparation method and application.
Background technology
Fresh food be people it is daily must nutriment important sources, there is unique shape, color.It is fresh
Moisture content of food is high, full of nutrition, but not shelf-stable, perishable rotten, and quality is caused to reduce or even lose completely commodity value
And nutritive value.The preservation and freshness of fresh food is the continuity of production activity, and it is that people pursue to keep quality of food and freshness
One of important goal must be solved the problems, such as in food storage, transport, the process of circulation.
At present, in family life, supermarket sales field, hotel and industrial food packaging transport field, increasingly
A kind of widely used method is to wrap up keeping the color of fresh food using mould proof film, extends its shelf-life.But
It is the antibacterial and mouldproof poor-performing of common mould proof film, fresh food easily loses due to the amount reproduction of microorganism goes mouldy corruption
Go original value.
The content of the invention
Based on this, it is necessary to provide a kind of mildew resistant paint of the fungus and mildew resistance better performances available for mould proof film.
A kind of mildew resistant paint is mainly prepared by the raw material of following mass fraction：60~70 parts of resin, sodium Diacetate
5~8 parts, 0.5~2 part of ursin, 0.5~2 part of thymol, 2~5 parts of houttuynia cordata injection, 25~30 parts of solvent and auxiliary agent
0.3~2 part.
In one of the embodiments, according to the mass fraction, the raw material further includes 0.8~2 part of citral, borneol 0.2
~1 part and 0.2~0.8 part of citronellal.
In one of the embodiments, according to the mass fraction, the raw material further includes 0.3~1 part of chitinase and β-Portugal
1~2 part of dextranase.
In one of the embodiments, according to the mass fraction, the raw material further includes 1~3 part of litsea citrate oil.
In one of the embodiments, according to the mass fraction, the raw material further includes 0.1~0.3 part of potassium chloride, calcium chloride
0.1~0.3 part and/or 0.1~0.3 part of iron chloride.
In one of the embodiments, the resin is polyurethane, acrylic acid esters co-polymer, polyvinyl alcohol, ethylene-vinegar
One or more in vinyl acetate analog copolymer, polyvinyl acetate copolymer, epoxy resin and its derivative.
In one of the embodiments, the auxiliary agent is the one or more in surfactant, neutralizer and dispersant.
In one of the embodiments, the neutralizer is the one or more in sodium acid carbonate, triethylamine and ammonium hydroxide.
The present invention also provides a kind of preparation methods of above-mentioned mildew resistant paint, comprise the following steps：
Each raw material is weighed according to mass fraction；
By the resin and solvent input reaction kettle, it is warming up to 30~65 DEG C and stirs 5 under 100~300rpm rotating speeds
~15min；
Remaining raw material is put into reaction kettle, continues up to described to prevent when stirring 3~5 is small under 500~800rpm rotating speeds
Mould coating.
The present invention also provides a kind of application of above-mentioned mildew resistant paint in mould proof film is prepared.
Sodium Diacetate is a kind of property stabilization, cheap novel foodstuff mould inhibitor, acid in the mildew resistant paint of the present invention
Taste agent and modifying agent are set to safe material by United States food and drag administration, further add a certain amount of bear in formula
Fruit glycosides, thymol and houttuynia cordata injection can cooperate with enhancing diacetic acid by active ingredient of the these types from plant
The fungus and mildew resistance performance of sodium.The mildew resistant paint of the present invention with chemical stability it is good, itself be difficult to material based on the resin to go mouldy
The mould proof ingredients such as material, sodium Diacetate, ursin, thymol and houttuynia cordata injection are then dissolved in its strand gap, by this
Mildew resistant paint is coated on film surface and after moisture evaporation forms coating, and mould proof ingredient is exposed in coating table in embedded mode
Face after being contacted with microorganism, effectively the hypopus sprouting such as the elimination of micro-organisms or prevention gemma can prevent that microorganism is numerous to reach
The purpose grown has very excellent fungus and mildew resistance performance, can significantly improve the food storage service life.
Specific embodiment
To enable objects, features and advantages of the present invention more obvious understandable, below to the specific embodiment party of the present invention
Formula is described in detail.Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still this hair
It is bright can be much to implement different from other modes described here, those skilled in the art can be without prejudice in the present invention
Similar improvement is done in the case of culvert, therefore the present invention is not limited to the specific embodiments disclosed below.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
The arbitrary and all combination of the Listed Items of pass.
The mildew resistant paint of an embodiment of the present invention is mainly prepared by the raw material of following mass fraction：Resin 60
~70 parts, 5~8 parts of sodium Diacetate, 0.5~2 part of ursin, 0.5~2 part of thymol, 2~5 parts of houttuynia cordata injection, solvent
25~30 parts and 0.3~2 part of auxiliary agent.
Sodium Diacetate is that a kind of property is stable, cheap novel foodstuff is mould proof in the mildew resistant paint of present embodiment
Agent, acid and modifying agent, are set to safe material by United States food and drag administration, further add in formula a certain amount of
Ursin, thymol and houttuynia cordata injection, from the active ingredient of plant enhancing can be cooperateed with double by these types
The fungus and mildew resistance performance of sodium acetate.The mildew resistant paint of the present invention with chemical stability it is good, itself be difficult to based on the resin to go mouldy
Body material, other mould proof ingredients are then dissolved in its strand gap, which is coated on film surface and in moisture
After evaporation forms coating, mould proof ingredient is exposed in coating surface in embedded mode, after being contacted with microorganism, can effectively eliminate
Microorganism prevents the hypopus such as gemma from sprouting to achieve the purpose that prevent microbial reproduction, has very excellent fungus and mildew resistance
Performance can significantly improve the food storage service life.
In one embodiment, according to the mass fraction, raw material also 0.8~2 part of citral, 0.2~1 part of borneol and citronellal
0.2~0.8 part.By add in a certain amount of citral, borneol and citronellal can destroy microorganism and archespore wall and
Plasma membrane changes its permselectivity, and mould proof ingredient is made to be easier to enter into the cell, and nutriment is more difficult to be absorbed and used, from
And inhibit the growth and breeding of microorganism, and the function and structure for the various organelles that accelerate the failure, improve fungus and mildew resistance performance.
In one embodiment, according to the mass fraction, raw material further include 0.3~1 part of chitinase and 1,4 beta-glucanase 1~
2 parts.Add in a certain amount of chitinase can effectively degradative fungi cell membrane, and 1,4 beta-glucanase can play chitinase
To significant synergistic effect, shell-broken effect is improved.
In one embodiment, according to the mass fraction, raw material further includes 1~3 part of litsea citrate oil.It is a certain amount of by adding
Litsea citrate oil can inhibit the synthesis of cell membrane and cell membrane component, thalline is caused to rupture, and content exudation causes fungi dead
It dies, further improves broken wall and bactericidal effect.
In one embodiment, according to the mass fraction, raw material further includes 0.1~0.3 part of potassium chloride, calcium chloride 0.1~0.3
0.1~0.3 part of part and/or iron chloride.It can be carried by the one or more added in a small amount of potassium ion, calcium ion and iron ion
The antibacterial activity of other high mould proof ingredients also has certain protective role to the activity of other mould proof ingredients.
In one embodiment, resin is polyurethane, acrylic acid esters co-polymer, polyvinyl alcohol, ethylene-vinyl acetate
One or more in analog copolymer, polyvinyl acetate copolymer, epoxy resin and its derivative, preferably polyvinyl alcohol and third
Olefin(e) acid lipin polymer.
Specifically, acrylic acid esters co-polymer for methyl methacrylate-ethyl acrylate-acrylic acid acrylate copolymer,
Methyl methacrylate-butyl acrylate-acrylic copolymer and methyl methacrylate-butyl acrylate-acrylic acid-N- hydroxyls
One or more in methacrylamide copolymer.Optionally, polyvinyl alcohol is polyvinyl alcohol 1788,2088 and of polyvinyl alcohol
One or more in polyvinyl alcohol 2488.Optionally, solvent is water or ethyl alcohol, is preferably water.In one embodiment, auxiliary agent
For the one or more in surfactant, neutralizer and dispersant.Specifically, neutralizer is sodium acid carbonate, triethylamine and ammonia
One or more in water.
The preparation method of the above-mentioned mildew resistant paint of an embodiment of the present invention, comprises the following steps S1~S3：
S1, each raw material is weighed according to mass fraction.
S2, resin and solvent are put into reaction kettle, be warming up to 30~65 DEG C of stirrings 5 under 100~300rpm rotating speeds~
15min。
S3, by remaining raw material put into reaction kettle, continue under 500~800rpm rotating speeds stirring 3~5 it is small when up to mould proof
Coating.
The preparation method of above-mentioned mildew resistant paint is simple for process, it is easy to accomplish, obtained mildew resistant paint is coated on film surface
And after moisture evaporation forms coating, mould proof ingredient is exposed in coating surface in embedded mode, after being contacted with microorganism, can have
Effect ground the elimination of micro-organisms prevents the hypopus such as gemma from sprouting to achieve the purpose that prevent microbial reproduction, has very excellent
Fungus and mildew resistance performance, can significantly improve the food storage service life, and market application foreground is wide.
The present invention also provides a kind of application of above-mentioned mildew resistant paint in mould proof film is prepared.
It is specific embodiment below.
Embodiment 1
Each raw material is weighed according to following mass fraction：(1788) 65 parts of polyvinyl alcohol, 7 parts of sodium Diacetate, 1 part of ursin,
1 part of thymol, 3 parts of houttuynia cordata injection, 1 part of citral, 0.8 part of borneol, 0.5 part of citronellal, 0.5 part of chitinase, β-
0.5 part of 1.5 parts of dextranase, 2 parts of litsea citrate oil, 0.1 part of potassium chloride, 28 parts of water, 0.5 part of surfactant and triethylamine.It will
Polyvinyl alcohol (1788) and water input reaction kettle, are heated to 55 DEG C of unlatching agitating devices by reaction kettle and are stirred under 300rpm rotating speeds
10min.Then by remaining raw material put into reaction kettle, continue under 800rpm rotating speeds stirring 4 it is small when to get mildew resistant paint.
Embodiment 2
The experimental procedure of embodiment 2 is substantially the same manner as Example 1, the difference is that raw material does not include citral, borneol
And citronellal.
Embodiment 3
The experimental procedure of embodiment 3 is substantially the same manner as Example 1, the difference is that raw material do not include chitinase and β-
Dextranase.
Embodiment 4
The experimental procedure of embodiment 4 is substantially the same manner as Example 1, the difference is that raw material does not include Cangshan seed oil.
Embodiment 5
The experimental procedure of embodiment 5 is substantially the same manner as Example 1, the difference is that raw material does not include potassium chloride.
Comparative example 1
The experimental procedure of comparative example 1 is substantially the same manner as Example 2, the difference is that raw material does not include houttuynia injection
Liquid, ursin and thymol.
Comparative example 2
The experimental procedure of comparative example 2 is substantially the same manner as Example 2, the difference is that raw material does not include sodium Diacetate.
Comparative example 3
The experimental procedure of comparative example 3 is substantially the same manner as Example 2, the difference is that potassium chloride is replaced with barium chloride.
Bacteriostasis property test is carried out to the mildew resistant paint of Examples 1 to 5 and comparative example 1~3, the results are shown in Table 1, it is seen that
The mildew resistant paint of the embodiment of the present invention has very excellent bacteriostasis.Respectively using Examples 1 to 5 and comparative example 1~3
Mildew resistant paint prepares mould proof film package fresh apple and is tested, and observes apple cosmetic variation situation.Test condition is：Environment
Temperature 45 C (in order to shorten test period, it is the temperature higher than room temperature to set test temperature), humidity 65%, test object：Apple
Fruit, testing time：15 days, it the results are shown in Table 2.
Table 1
Table 2
| Group | Apple cosmetic variation |
| Embodiment 1 | Start rotten trend of going mouldy occur within 14th day. |
| Embodiment 2 | Start rotten trend of going mouldy occur within 11st day. |
| Embodiment 3 | Start rotten trend of going mouldy occur within 12nd day. |
| Embodiment 4 | Start rotten trend of going mouldy occur within 12nd day. |
| Embodiment 5 | Start rotten trend of going mouldy occur within 13rd day. |
| Comparative example 1 | Start rotten trend of going mouldy occur within 7th day. |
| Comparative example 2 | Start rotten trend of going mouldy occur within 6th day. |
| Comparative example 3 | Start rotten trend of going mouldy occur within 7th day. |
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of mildew resistant paint, which is characterized in that it is mainly prepared by the raw material of following mass fraction：Resin 60~70
Part, 5~8 parts of sodium Diacetate, 0.5~2 part of ursin, 0.5~2 part of thymol, 2~5 parts of houttuynia cordata injection, solvent 25~
30 parts and 0.3~2 part of auxiliary agent.
2. mildew resistant paint according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes lemon
0.2~0.8 part of 0.8~2 part of aldehyde, 0.2~1 part of borneol and citronellal.
3. mildew resistant paint according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes chitin
1~2 part of 0.3~1 part of matter enzyme and 1,4 beta-glucanase.
4. mildew resistant paint according to claim 1, which is characterized in that according to the mass fraction, it is grey that the raw material further includes mountain
1~3 part of seed oil.
5. mildew resistant paint according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes chlorination
0.1~0.3 part of 0.1~0.3 part of potassium, 0.1~0.3 part of calcium chloride and/or iron chloride.
6. according to Claims 1 to 5 any one of them mildew resistant paint, which is characterized in that the resin is polyurethane, acrylic acid
Lipin polymer, polyvinyl alcohol, ethylene-vinyl acetate analog copolymer, polyvinyl acetate copolymer, epoxy resin and its spread out
One or more in biology.
7. according to Claims 1 to 5 any one of them mildew resistant paint, which is characterized in that the auxiliary agent for surfactant, in
With the one or more in agent and dispersant.
8. mildew resistant paint according to claim 7, which is characterized in that the neutralizer is sodium acid carbonate, triethylamine and ammonia
One or more in water.
9. a kind of preparation method of claim 1~8 any one of them mildew resistant paint, which is characterized in that comprise the following steps：
Each raw material is weighed according to mass fraction；
By the resin and the solvent input reaction kettle, be warming up to 30~65 DEG C under 100~300rpm rotating speeds stirring 5~
15min；
By remaining raw material put into reaction kettle, continue under 500~800rpm rotating speeds stirring 3~5 it is small when up to the mould proof painting
Material.
10. a kind of application of claim 1~8 any one of them mildew resistant paint in mould proof film is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483399.3A CN108084819A (en) | 2017-12-29 | 2017-12-29 | Mildew resistant paint and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483399.3A CN108084819A (en) | 2017-12-29 | 2017-12-29 | Mildew resistant paint and its preparation method and application |
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| Publication Number | Publication Date |
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| CN108084819A true CN108084819A (en) | 2018-05-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885651A (en) * | 2019-10-30 | 2020-03-17 | 福建雪龙竹木工贸有限公司 | Preparation method of anticorrosive composite amino resin |
| CN113088138A (en) * | 2021-04-02 | 2021-07-09 | 南京扬乾生物科技有限公司 | Water-resistant polyvinyl alcohol-based bactericidal coating material and preparation method thereof |
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| CN106634129A (en) * | 2016-12-29 | 2017-05-10 | 常德市金润新材料科技有限公司无锡新材料研究院 | Mildewproof preservative film and preparation method thereof |
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2017
- 2017-12-29 CN CN201711483399.3A patent/CN108084819A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634129A (en) * | 2016-12-29 | 2017-05-10 | 常德市金润新材料科技有限公司无锡新材料研究院 | Mildewproof preservative film and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 杨撵宗: "《最常用化学危险品安全使用手册》", 31 August 1990, 山西科学教育出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885651A (en) * | 2019-10-30 | 2020-03-17 | 福建雪龙竹木工贸有限公司 | Preparation method of anticorrosive composite amino resin |
| CN113088138A (en) * | 2021-04-02 | 2021-07-09 | 南京扬乾生物科技有限公司 | Water-resistant polyvinyl alcohol-based bactericidal coating material and preparation method thereof |
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