CN108084818A - Mould proof film and preparation method thereof - Google Patents
Mould proof film and preparation method thereof Download PDFInfo
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- CN108084818A CN108084818A CN201711476784.5A CN201711476784A CN108084818A CN 108084818 A CN108084818 A CN 108084818A CN 201711476784 A CN201711476784 A CN 201711476784A CN 108084818 A CN108084818 A CN 108084818A
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- mould proof
- proof film
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- mass fraction
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Classifications
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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
- 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
- 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
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—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 at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Abstract
The present invention relates to a kind of mould proof film and preparation method thereof, which includes basement membrane and arranged on the epilamellar fungus resistant coating, and the fungus resistant coating is made of mildew resistant paint, and the mildew resistant paint 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 mould proof film 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, after forming fungus resistant coating, mould proof ingredient is exposed in coating surface in embedded mode, after being contacted with microorganism, effectively it can sprout to achieve the purpose that prevent microbial reproduction that there is very excellent fungus and mildew resistance performance, the food storage service life can be significantly improved by the hypopus such as the elimination of micro-organisms or prevention gemma.
Description
Technical field
The present invention relates to Prevention of Mould Development field, more particularly to a kind of mould proof film and preparation method thereof.
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 mould proof film of fungus and mildew resistance better performances.
A kind of mould proof film, including basement membrane and arranged on the epilamellar fungus resistant coating, the fungus resistant coating is by mildew resistant paint
It is made, the mildew resistant paint is mainly prepared by the raw material of following mass fraction：60~70 parts of resin, sodium Diacetate 5~8
Part, 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 parts.
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 mould proof film, comprise the following steps：It is weighed according to mass fraction
The mildew resistant paint is prepared in each raw material, and basement membrane, which is unreeled, makes the basement membrane by being coated with mildew resistant paint described in roll coating, so
It afterwards by oven for drying, cools down, is finally wound up to the mould proof film using chill roll.
In one of the embodiments, the baking oven has 3~5 sections, and the translational speed of the basement membrane is 60~180m/
Min, the temperature of the chill roll is 20~35 DEG C.
Sodium Diacetate is that a kind of property is stable, cheap novel foodstuff is mould proof in the mildew resistant paint of the mould proof film of the present invention
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 mould proof film of the present invention with chemical stability it is good, itself be difficult to the tree to go mouldy
The mould proof ingredient such as material based on fat, sodium Diacetate, ursin, thymol and houttuynia cordata injection is then dissolved in its molecule interchain
In gap, after forming fungus resistant coating, mould proof ingredient is exposed in coating surface in embedded mode, can be effective after being contacted with microorganism
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 kill
Bacterium fungicidal properties 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 mould proof film of an embodiment of the present invention, including basement membrane and arranged on epilamellar fungus resistant coating, fungus resistant coating is by preventing
Mould coating is made, and mildew resistant paint is mainly prepared by the raw material of following mass fraction：60~70 parts of resin, sodium Diacetate 5~8
Part, 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 parts.
Sodium Diacetate is a kind of property stabilization, cheap novel foodstuff in the mildew resistant paint of the mould proof film of present embodiment
Mould inhibitor, acid and modifying agent are set to safe material by United States food and drag administration, further add one in formula
Quantitative ursin, thymol and houttuynia cordata injection can cooperate with increasing by active ingredient of the these types from plant
The fungus and mildew resistance performance of strong sodium Diacetate.The mildew resistant paint of the mould proof film of the present invention with chemical stability it is good, itself be difficult to go mouldy
Resin based on material, other mould proof ingredients are then dissolved in its strand gap, after forming fungus resistant coating, mould proof ingredient with
Embedded mode is exposed in coating surface, after being contacted with microorganism, effectively the elimination of micro-organisms or can prevent the hypopus such as gemma
It sprouts to achieve the purpose that prevent microbial reproduction, there is very excellent fungus and mildew resistance performance, food storage can be significantly improved
Hide the 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, polyvinyl alcohol 2088 and one kind or more in polyvinyl alcohol 2488
Kind.Optionally, solvent is water or ethyl alcohol, is preferably water.In one embodiment, auxiliary agent is surfactant, neutralizer and divides
One or more in powder.Specifically, neutralizer is the one or more in sodium acid carbonate, triethylamine and ammonium hydroxide.Optionally,
Basement membrane is polyethylene film or polypropylene screen.
The present invention also provides the preparation methods of the above-mentioned mould proof film of an embodiment, comprise the following steps：According to quality
Number weighs each raw material and mildew resistant paint is prepared, and basement membrane, which is unreeled, makes basement membrane by coating roll coating mildew resistant paint, Ran Houjing
Oven for drying is crossed, is cooled down using chill roll, is finally wound up to mould proof film.
Specifically, baking oven has 3~5 sections, and temperature first raise reduce afterwards in gradient, and the translational speed of basement membrane is 60~
180m/min, the temperature of chill roll is 20~35 DEG C.
Optionally, the preparation method of the above-mentioned mildew resistant paint of an embodiment, 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 mould proof film is simple for process, it is easy to accomplish, obtained mould proof film can effectively the elimination of micro-organisms
Or the hypopus such as gemma is prevented to sprout to achieve the purpose that prevent microbial reproduction, there is very excellent fungus and mildew resistance performance,
The food storage service life can be significantly improved, market application foreground is wide.
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.It will
Basement membrane, which unreels, makes basement membrane then by oven for drying, be cooled down by coating roll coating mildew resistant paint using chill roll, Ran Houshou
It rolls up up to mould proof film, wherein baking oven has 3~5 sections, and temperature first raise reduce afterwards in gradient, and the translational speed of basement membrane is 60~
180m/min, the temperature of chill roll is 20~35 DEG C.
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 in Examples 1 to 5 and comparative example 1~3, the results are shown in Table 1, can
The mildew resistant paint seen in the embodiment of the present invention has very excellent bacteriostasis.Examples 1 to 5 and comparative example 1 are used respectively
~3 mould proof film package fresh apple is tested, and observes apple cosmetic variation situation.Test condition is：Environment temperature 45
DEG C (in order to shorten test period, set test temperature be higher than room temperature temperature), humidity 65%, test object：Apple, test
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 mould proof film, which is characterized in that including basement membrane and arranged on the epilamellar fungus resistant coating, the fungus resistant coating by
Mildew resistant paint is made, and the mildew resistant paint is mainly prepared by the raw material of following mass fraction：60~70 parts of resin, diacetic acid
It 5~8 parts of sodium, 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 helps
0.3~2 part of agent.
2. mould proof film according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes citral
0.2~0.8 part of 0.8~2 part, 0.2~1 part of borneol and citronellal.
3. mould proof film 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 enzyme and 1,4 beta-glucanase.
4. mould proof film according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes the fruit of a cubeb litsea tree
1~3 part of oil.
5. mould proof film according to claim 1, which is characterized in that according to the mass fraction, the raw material further includes potassium chloride
0.1~0.3 part of 0.1~0.3 part, 0.1~0.3 part of calcium chloride and/or iron chloride.
6. according to the mould proof film of Claims 1 to 5 any one of them, which is characterized in that the resin is polyurethane, acrylate
Analog copolymer, polyvinyl alcohol, ethylene-vinyl acetate analog copolymer, polyvinyl acetate copolymer, epoxy resin and its derivative
One or more in object.
7. according to the mould proof film of Claims 1 to 5 any one of them, which is characterized in that the auxiliary agent is surfactant, neutralizes
One or more in agent and dispersant.
8. mould proof film according to claim 7, which is characterized in that the neutralizer is sodium acid carbonate, triethylamine and ammonium hydroxide
In one or more.
9. a kind of preparation method of the mould proof film of claim 1~8 any one of them, which is characterized in that comprise the following steps：Root
Each raw material being weighed according to mass fraction, the mildew resistant paint being prepared, basement membrane, which is unreeled, makes the basement membrane by coating roll coating institute
Mildew resistant paint is stated, then by oven for drying, is cooled down using chill roll, is finally wound up to the mould proof film.
10. preparation method according to claim 9, which is characterized in that the baking oven has 3~5 sections, the shifting of the basement membrane
Dynamic speed is 60~180m/min, and the temperature of the chill roll is 20~35 DEG C.
Priority Applications (1)
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| CN201711476784.5A CN108084818A (en) | 2017-12-29 | 2017-12-29 | Mould proof film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476784.5A CN108084818A (en) | 2017-12-29 | 2017-12-29 | Mould proof film and preparation method thereof |
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| CN201711476784.5A Pending CN108084818A (en) | 2017-12-29 | 2017-12-29 | Mould proof film and preparation method thereof |
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Cited By (4)
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| CN114775275A (en) * | 2022-04-13 | 2022-07-22 | 烟台明远创意生活科技股份有限公司 | Quilting-imitating jacquard fabric and manufacturing method thereof |
| CN115320207A (en) * | 2022-08-16 | 2022-11-11 | 常熟宏巨新材料科技有限公司 | Mould-proof TPU thermoplastic polyurethane film |
| CN116874853A (en) * | 2023-06-09 | 2023-10-13 | 山东恒联新材料股份有限公司 | Mildew-proof cellulose membrane and preparation method and application thereof |
| CN116874853B (en) * | 2023-06-09 | 2024-05-17 | 山东恒联新材料股份有限公司 | Mildew-proof cellulose membrane and preparation method and application thereof |
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| CN114775275A (en) * | 2022-04-13 | 2022-07-22 | 烟台明远创意生活科技股份有限公司 | Quilting-imitating jacquard fabric and manufacturing method thereof |
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| CN116874853A (en) * | 2023-06-09 | 2023-10-13 | 山东恒联新材料股份有限公司 | Mildew-proof cellulose membrane and preparation method and application thereof |
| CN116874853B (en) * | 2023-06-09 | 2024-05-17 | 山东恒联新材料股份有限公司 | Mildew-proof cellulose membrane and preparation method and application thereof |
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Application publication date: 20180529 |