CN107903552A - Antibacterial film and preparation method thereof - Google Patents
Antibacterial film and preparation method thereof Download PDFInfo
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- CN107903552A CN107903552A CN201711000518.5A CN201711000518A CN107903552A CN 107903552 A CN107903552 A CN 107903552A CN 201711000518 A CN201711000518 A CN 201711000518A CN 107903552 A CN107903552 A CN 107903552A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions 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 acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C08L31/04—Homopolymers or copolymers of vinyl acetate
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J2331/00—Characterised by the use of 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 acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2331/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2331/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses antibacterial film and preparation method thereof, including：The silane coupling agent that polyvinyl acetate, polyurethane resin, antibiotic plastic filler, turpentine oil, vinyltrimethoxysilane, tricresyl phosphate and the trade mark are KH570 is kneaded, micelle is made；The micelle is added to progress extrusion molding in extruder the antibacterial film is made；Wherein, the antibiotic plastic filler is made by herbaceous plant, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica；The extruder includes sequentially connected feeding section, stage casing and extruder head, and the operating temperature of the extruder is：105 110 DEG C of feeding section, 115 120 DEG C of stage casing, 180 195 DEG C of extruder head.The high mechanical strength of the antibacterial film, and can effectively inhibit bacteria growth and then improve the fresh-keeping effect to food etc..
Description
Technical field
The present invention relates to preservative film field, and in particular, to a kind of antibacterial film and preparation method thereof.
Background technology
Preservative film is that a kind of plastic packing product preservative film is a kind of plastic packing product, is usually passed through by masterbatch of ethene
Polymerisation is made, and preservative film can be divided into three categories：The first is polyethylene, abbreviation PE；Second is polyvinyl chloride, referred to as
PVC；The third is polyvinylidene chloride, abbreviation PVDC.
The occasions such as microwave food heating, refrigerator food preserve, fresh and prepared food packaging, family life, supermarket sales field,
Hotel and industrial food packaging applications are all widely used.
The advantages of preservative film is with its convenient, economy, beauty is extensively popular with consumers.But with the frequency using preservative film
Rate and use scope, and the requirement of higher is proposed to fresh-keeping film strength and antibacterial, fresh keeping property.Especially to summer, disease
Bacterium easily grows, and the storage of many foods is all the intervention for relying on preservative film and refrigerator in family life, but the matter of preservative film
Amount can also directly influence the freshness of food.
The content of the invention
The object of the present invention is to provide a kind of antibacterial film and preparation method thereof, the high mechanical strength of the antibacterial film, and
Growth can effectively be inhibited bacteria and then improve the fresh-keeping effect to food etc..
To achieve these goals, the present invention provides a kind of preparation method of antibacterial film, it is characterised in that including：
By polyvinyl acetate, polyurethane resin, antibiotic plastic filler, turpentine oil, vinyltrimethoxysilane, phosphoric acid
Front three phenolic ester and the silane coupling agent that the trade mark is KH570 are kneaded, micelle is made；
The micelle is added in extruder and carries out extrusion molding, the antibacterial film is made in processing；
Wherein, the antibiotic plastic filler is by herbaceous plant, chitosan, chitin fiber, diatomite, calcium stearate, sea
Mosanom, hydrotalcite, ferric stearate and silica are made；
The extruder includes sequentially connected feeding section, stage casing and extruder head, and the operating temperature of the extruder
For：105-110 DEG C of feeding section, 115-120 DEG C of stage casing, 180-195 DEG C of extruder head.
Through the above technical solutions, the present invention by selection by herbaceous plant, chitosan, chitin fiber and diatomite into
After row is anticipated, add the components such as calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica and carry out heat again
Handle and then further promote the mutual synergistic effect between each raw material；And then improve the anti-of obtained antibiotic plastic filler
Bacterium performance.And by specific process conditions further such that provided by the invention anti-on the premise of specific raw material is selected
Bacterium plastics have excellent anti-microbial property and mechanical strength.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The endpoint of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of a scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
A kind of preparation method of antibiotic plastic is provided in the present invention, including：By polyvinyl acetate, polyurethane resin,
Antibiotic plastic filler, turpentine oil, vinyltrimethoxysilane, tricresyl phosphate and the trade mark are the silane coupling agent of KH570
It is kneaded, micelle is made；The micelle is added to progress extrusion molding in extruder the antibiotic plastic is made；Its
In, the antibiotic plastic filler is by herbaceous plant, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, neatly
Stone, ferric stearate and silica are made；The extruder includes sequentially connected feeding section, stage casing and extruder head, and described
The operating temperature of extruder is：105-110 DEG C of feeding section, 115-120 DEG C of stage casing, 180-195 DEG C of extruder head.
In above-mentioned technical proposal, the condition of the mixing can select in wide scope, but in order to improve mixing
Effect, it is preferable that the mixing at least meets the following conditions：Temperature is 120-150 DEG C, and/or the time is 2-4h.
In above-mentioned technical proposal, in order to further improve antibiotic plastic filler to the anti-microbial property of obtained antibacterial film
Improve, it is preferable that the antibiotic plastic filler is made by following methods：
The antibiotic plastic filler is made by following methods：
Mixing is made after herbaceous plant, chitosan, chitin fiber and diatomite are carried out the first mixing, the first heat treatment
Thing M1；
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica are added in the mixture M 1 and carry out
Two mixing, second are dry after being heat-treated, are ground up, sieved the obtained antibiotic plastic filler；
Wherein, the temperature of second heat treatment is higher than 30-50 DEG C of the temperature of the described first heat treatment.
In above-mentioned technical proposal, the temperature of first heat treatment can select in wide scope, but in order to improve
The effect of heat treatment and then improve the interaction promoted between each raw material, it is preferable that the temperature of first heat treatment is
100-110℃。
In above-mentioned technical proposal, the time of first heat treatment can select in wide scope, but in order to improve
The efficiency of obtained first heat treatment, it is preferable that the time of first heat treatment is 4-6h；
The time of second heat treatment is 1-2h.
In above-mentioned technical proposal, first mixing, the condition of the second mixing can select in wide scope, but be
Raising first mixing, the effect and efficiency of the second mixing, it is preferable that first mixing, the condition of the second mixing are each
From standing alone as：Rotating speed is 3000-5000rpm, time 1-1.5h.
In above-mentioned technical proposal, the herbal species can select in wide scope, but anti-in order to improve
The anti-microbial property of bacterium plastic filler, it is preferable that the herbaceous plant is ophiopogon, folium isatidis, peppermint, Schisandra chinensis, wormwood and imperial tongue
One or more in orchid.
In above-mentioned technical proposal, the specific dosage of each raw material can select in wide scope, but in order to improve antibacterial
The anti-microbial property of film, it is preferable that the herbaceous plant, chitosan, chitin fiber, diatomite, calcium stearate, alginic acid
Sodium, hydrotalcite, the weight ratio of ferric stearate and silica are 100：3-6：5-10：5-15：10-15：3-5：1-3：1-3：2-4.
In above-mentioned technical proposal, during preparing antibacterial film, the specific dosage of each component can be in wide scope
Interior selection, but in order to improve the mutual synergistic effect between each component, it is preferable that the polyvinyl acetate, polyurethane tree
Fat, antibiotic plastic filler, turpentine oil, vinyltrimethoxysilane, tricresyl phosphate and the trade mark are the silane coupled of KH570
The weight ratio of agent is 100：20-30：5-15：5-10：1.1-2.1：0.8-1.6：0.9-1.5.
Present invention also offers anti-antibacterial film made from a kind of above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Preparation example 1
Ophiopogon, chitosan, chitin fiber and diatomite are stirred 1.5h, in 100 DEG C of heat treatments at 3,000 rpm
Mixture M 1 is made after 6h；
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica are added in the mixture M 1,
1.5h is stirred under 3000rpm, dried after 130 DEG C of heat treatment 2h, be ground up, sieved the obtained antibiotic plastic filler, is denoted as
W1；
Wherein, ophiopogon, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, ferric stearate
Weight ratio with silica is 100：3：5：5：10：3：1：1：2.
Preparation example 2
Folium isatidis, chitosan, chitin fiber and diatomite are stirred under 4000rpm to 1.2h, at 105 DEG C of heat
Mixture M 1 is made after managing 5h；
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica are added in the mixture M 1,
1.2h is stirred under 4000rpm, dried after 145 DEG C of heat treatment 1.5h, be ground up, sieved the obtained antibiotic plastic filler, is remembered
Make W2；
Wherein, the folium isatidis, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, hard
The weight ratio of resin acid iron and silica is 100：4：8：10：13：4：2：2：3.
Preparation example 3
By in American aloe, chitosan, chitin fiber and diatomite 1h is stirred under 5000rpm, at 110 DEG C of heat
Mixture M 1 is made after managing 4h；
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica are added in the mixture M 1,
1h is stirred under 5000rpm, dried after 160 DEG C of heat treatment 1h, be ground up, sieved the obtained antibiotic plastic filler, is denoted as
W3；
Wherein, the American aloe, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, hard
The weight ratio of resin acid iron and silica is 100：6：10：15：15：5：3：3：4.
Preparation example 4
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W4；The difference is that the second heat treatment is not carried out, directly
By the ophiopogon, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica
Mixture M 1 is made in 8h after 100 DEG C of heat treatment after being mixed together.
Preparation example 5
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W5；The difference is that the first heat treatment is not carried out, directly
By the ophiopogon, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica
Mixture M 1 is made in 8h after 130 DEG C of heat treatment after being mixed together.
Preparation example 6
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W6；The difference is that ophiopogon is not added in raw material.
Preparation example 7
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W7；The difference is that chitosan is not added in raw material.
Preparation example 8
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W8；The difference is that chitin fibre is not added in raw material
Dimension.
Preparation example 9
Antibiotic plastic filler is made according to the method for preparation example 1, is denoted as W9；The difference is that first diatomite is not added in raw material.
Embodiment 1
By polyvinyl acetate, polyurethane resin, antibiotic plastic filler W1, turpentine oil, vinyltrimethoxysilane, phosphorus
Sour front three phenolic ester and the trade mark are the silane coupling agent of KH570 according to 100：20-30：5-15：5-10：1.1-2.1：0.8-1.6：
The weight ratio of 0.9-1.5 is kneaded 2-4h so that micelle is made at 120-150 DEG C；
The micelle is added in extruder and carries out extrusion molding, the obtained antibacterial film of processing, is denoted as A1；
The operating temperature of the extruder is：105-110 DEG C of feeding section, 115-120 DEG C of stage casing, extruder head 180-195
℃。
Embodiment 2
By polyvinyl acetate, polyurethane resin, antibiotic plastic filler W2, turpentine oil, vinyltrimethoxysilane, phosphorus
Sour front three phenolic ester and the trade mark are the silane coupling agent of KH570 according to 100：20-30：5-15：5-10：1.1-2.1：0.8-1.6：
The weight ratio of 0.9-1.5 is kneaded 2-4h so that micelle is made at 120-150 DEG C；
The micelle is added in extruder and carries out extrusion molding, the obtained antibacterial film of processing, is denoted as A2；
The operating temperature of the extruder is：105-110 DEG C of feeding section, 115-120 DEG C of stage casing, extruder head 180-195
℃。
Embodiment 3
By polyvinyl acetate, polyurethane resin, antibiotic plastic filler W3, turpentine oil, vinyltrimethoxysilane, phosphorus
Sour front three phenolic ester and the trade mark are the silane coupling agent of KH570 according to 100：20-30：5-15：5-10：1.1-2.1：0.8-1.6：
The weight ratio of 0.9-1.5 is kneaded 2-4h so that micelle is made at 120-150 DEG C；
The micelle is added in extruder and carries out extrusion molding, the obtained antibacterial film of processing, is denoted as A3；
The operating temperature of the extruder is：105-110 DEG C of feeding section, 115-120 DEG C of stage casing, extruder head 180-195
℃。
Embodiment 4
Antibacterial film is prepared Following the procedure of Example 1, is denoted as A4；The difference is that replaced using antibiotic plastic filler W4
W1。
Embodiment 5
Antibacterial film is prepared Following the procedure of Example 1, is denoted as A5；The difference is that replaced using antibiotic plastic filler W5
W1。
Comparative example 1
Antibacterial film is prepared Following the procedure of Example 1, is denoted as D1；The difference is that replaced using antibiotic plastic filler W6
W1。
Comparative example 2
Antibacterial film is prepared Following the procedure of Example 1, is denoted as D2；The difference is that replaced using antibiotic plastic filler W7
W1。
Comparative example 3
Antibiotic plastic is prepared Following the procedure of Example 1, is denoted as D3；The difference is that replaced using antibiotic plastic filler W8
W1。
Comparative example 4
Antibiotic plastic is prepared Following the procedure of Example 1, is denoted as D4；The difference is that replaced using antibiotic plastic filler W9
W1。
Comparative example 5
Antibacterial film is prepared Following the procedure of Example 1, is denoted as D5；The difference is that antibiotic plastic filler W1 is not used.
Detect example 1
The antibacterial film A1-A5 being worth according to the regulation of national standard GB/T 1539-2007 measure embodiment and comparative example system
And the colony counts (n/cfug-1) of D1-D5；Concrete outcome is shown in Table 1.
Table 1
| Total plate count (n/cfug-1) | |
| A1 | 8 |
| A2 | 8 |
| A3 | 7 |
| A4 | 5 |
| A5 | 6 |
| D1 | 28 |
| D2 | 25 |
| D3 | 21 |
| D4 | 23 |
| D5 | 150 |
Learnt according to above-mentioned testing result：Colony counts (the n/cfug of corresponding antibacterial film made from A1-A5-1)
Within 10, that is, illustrate that filler made from technical solution provided by the invention has excellent anti-microbial property.In addition, A1-A3
Colony counts be less than A4-A5, the anti-microbial property of film can be effectively improved by indicating the technical solution provided in the present invention.
In addition, the anti-microbial property of film is worst made from D5 fillers made from comparative example 1, show that antibacterial filler provided by the invention can
The effective anti-microbial property for improving film；In addition the colony counts of D1-D4 are superior to D5 but are inferior to A1-A5, therefore illustrate this
Invent and mutually cooperateed between the ophiopogon provided, chitosan, chitin fiber, the component such as diatomite and then improve obtained antibacterial
The anti-microbial property of film.
The preferred embodiment of the present invention described in detail above, still, during present invention is not limited to the embodiments described above
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. preparation method of antibacterial film, it is characterised in that including：By polyvinyl acetate, polyurethane resin, antibiotic plastic filler, turpentine oil, vinyltrimethoxysilane, tripotassium phosphate Phenolic ester and the silane coupling agent that the trade mark is KH570 are kneaded, micelle is made；The micelle is added in extruder and carries out extrusion molding, the antibacterial film is made in processing；Wherein, the antibiotic plastic filler is by herbaceous plant, chitosan, chitin fiber, diatomite, calcium stearate, alginic acid Sodium, hydrotalcite, ferric stearate and silica are made；The extruder includes sequentially connected feeding section, stage casing and extruder head, and the operating temperature of the extruder is：Add Expect 105-110 DEG C of section, 115-120 DEG C of stage casing, 180-195 DEG C of extruder head.
- 2. preparation method according to claim 1, wherein, wherein, the mixing at least meets the following conditions：Temperature is 120-150 DEG C, and/or the time is 2-4h.
- 3. preparation method according to claim 1, wherein, the antibiotic plastic filler is made by following methods：Mixture is made after herbaceous plant, chitosan, chitin fiber and diatomite are carried out the first mixing, the first heat treatment M1；Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and silica are added to progress second in the mixture M 1 to mix Conjunction, second are dry after being heat-treated, are ground up, sieved the obtained degradable plastic filler；Wherein, the temperature of second heat treatment is higher than 30-50 DEG C of the temperature of the described first heat treatment.
- 4. preparation method according to claim 3, wherein, the temperature of first heat treatment is 100-110 DEG C.
- 5. preparation method according to claim 3, wherein, the time of first heat treatment is 4-6h；The time of second heat treatment is 1-2h.
- 6. preparation method according to claim 3, wherein, first mixing, the condition of the second mixing are each stood alone as： Rotating speed is 3000-5000rpm, time 1-1.5h.
- 7. according to the preparation method described in any one in claim 1-6, wherein, the herbaceous plant is ophiopogon, folium isatidis, One or more in peppermint, Schisandra chinensis, wormwood and American aloe.
- 8. preparation method according to claim 3, wherein, the herbaceous plant, chitosan, chitin fiber, diatomite, Calcium stearate, sodium alginate, hydrotalcite, the weight ratio of ferric stearate and silica are 100：3-6：5-10：5-15：10-15：3- 5：1-3：1-3：2-4.
- 9. preparation method according to claim 1, wherein, the polyvinyl acetate, polyurethane resin, antibiotic plastic are filled out The weight ratio for the silane coupling agent that material, turpentine oil, vinyltrimethoxysilane, tricresyl phosphate and the trade mark are KH570 is 100：20-30：5-15：5-10：1.1-2.1：0.8-1.6：0.9-1.5.
- 10. antibacterial film made from the preparation method in a kind of 1-9 as claim described in any one.
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| CN201711000518.5A CN107903552A (en) | 2017-10-24 | 2017-10-24 | Antibacterial film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108456360A (en) * | 2018-04-28 | 2018-08-28 | 常德金德新材料科技股份有限公司 | It is a kind of can antibacterial high-barrier food Package film and preparation method thereof |
| CN116253986A (en) * | 2023-03-31 | 2023-06-13 | 浙江理工大学 | Preparation method of water-based efficient biomass antibacterial flame-retardant polyurethane |
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| CN101260242A (en) * | 2008-04-25 | 2008-09-10 | 福州永鑫塑料包装用品有限公司 | Antibiotic film and preparation method thereof |
| CN105153655A (en) * | 2015-10-10 | 2015-12-16 | 绍兴翔宇绿色包装有限公司 | Antibacterial film and preparation method thereof |
| CN107459754A (en) * | 2017-08-22 | 2017-12-12 | 芜湖蓝天工程塑胶有限公司 | Antibacterial food preservative film and preparation method thereof |
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2017
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| CN1515605A (en) * | 2003-01-10 | 2004-07-28 | 广州卓德嘉薄膜有限公司 | Antibacterial fiml and its preparation method |
| CN101260242A (en) * | 2008-04-25 | 2008-09-10 | 福州永鑫塑料包装用品有限公司 | Antibiotic film and preparation method thereof |
| CN105153655A (en) * | 2015-10-10 | 2015-12-16 | 绍兴翔宇绿色包装有限公司 | Antibacterial film and preparation method thereof |
| CN107459754A (en) * | 2017-08-22 | 2017-12-12 | 芜湖蓝天工程塑胶有限公司 | Antibacterial food preservative film and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456360A (en) * | 2018-04-28 | 2018-08-28 | 常德金德新材料科技股份有限公司 | It is a kind of can antibacterial high-barrier food Package film and preparation method thereof |
| CN116253986A (en) * | 2023-03-31 | 2023-06-13 | 浙江理工大学 | Preparation method of water-based efficient biomass antibacterial flame-retardant polyurethane |
| CN116253986B (en) * | 2023-03-31 | 2024-05-03 | 浙江理工大学 | Preparation method of water-based efficient biomass antibacterial flame-retardant polyurethane |
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Application publication date: 20180413 |