CN109554913A - A kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material - Google Patents
A kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material Download PDFInfo
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- CN109554913A CN109554913A CN201811208381.7A CN201811208381A CN109554913A CN 109554913 A CN109554913 A CN 109554913A CN 201811208381 A CN201811208381 A CN 201811208381A CN 109554913 A CN109554913 A CN 109554913A
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9, 10 or 18 of the Periodic System; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
Abstract
The invention discloses a kind of methods that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material, gained hydrophilic modifying polypropylene non-woven fabric is impregnated in antibacterial modified liquid, after being impregnated at the temperature of setting and relative humidities, the polypropylene non-woven fabric of dry attachment antibacterial microcapsule；The polypropylene non-woven fabric of gained attachment antibacterial microcapsule is fixed on the glass plate of film instrument, polyvinyl alcohol antibacterial mother liquor is equably toppled over on non-woven fabrics, it is dry after being coated with bar, the antibiotic packaging material is made.Chitosan, tea polyphenols, antibacterial microcapsule are attached to the surface of hydrophilic modifying polypropylene non-woven fabric using the method for immersion coating, tea polyphenols have very strong inoxidizability, the addition of tea polyphenols improves the compatibility of chitosan and non-woven fabrics, improves the barrier property of material, has good inhibiting effect to the growth of Escherichia coli.
Description
Technical field
The invention belongs to daily necessities fields, and in particular to a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol prepares nonwoven
The method of cloth packaging material.
Background technique
Diversification with food in links such as production, circulation, storage and consumption patterns with the improvement of the quality of life, consumption
Person is fresh-keeping to quality, the safety of packaging of food itself, flavor and instant edible etc. will be known as higher requirement.Therefore various countries
All in the research and development for accelerating rhythm progress new Material of Food Packaging, new technology, and active packing is just because of it is distinctive excellent
Gesture (is not only the barrier of product and external environment, and combines advanced food packaging and material science and technology, to greatest extent
Ground maintains the quality of packaged food.) become the main trend studied both at home and abroad.Currently, domestic and foreign scholars are with plastic film
A large amount of research has been done in terms of developing Active Packaging Materials for substrate, wherein mainly based on bacteriostatic activity packaging material, and it is right
The research of antioxidant activity packaging material is relatively fewer, and application of the active packing new material in Chinese commodity packaging is not yet
It is universal.And the substrate generally selected when studying Active Packaging Materials is plastic film, edible material, paper etc., and select
It is cheap, have excellent performance, the non-woven fabrics of greening and environmental protection wide adaptability is rarely reported, therefore nothing is coated to chitosan/tea polyphenols
This novel active packaging material of woven fabric (comprehensively considers the performance indicators such as antibacterial, anti-oxidant, mechanical strength, developing has antioxygen
The packaging material of the Composites active function such as change, antibacterial, inhibits food spoilage comprehensively, extends Food Shelf-life, reinforcing material
Mechanical performance is applied to it widely in real life) preparation and performance study also remain brand-new research class
Topic.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol system is provided
The method of standby non-woven fabrics packaging material, the non-woven fabrics packaging material according to this method production have excellent anti-bacterial refreshing performance.
The present invention is achieved by the following technical solutions:
A kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material, which is characterized in that including such as
Lower step:
(1) polypropylene non-woven fabric surface hydrophilic modification:
Pretreatment polypropylene non-woven fabric is immersed in corrosive liquid, it is dry in 60-65 DEG C after reacting 3-4h in 30-40 DEG C of water-bath
Dry 1-2h obtains the polypropylene non-woven fabric of corrosive liquid processing with distilled water immersion 6-8h；
The dopamine that concentration is 20mmol/L is added in Xiang Shuizhong, adds the crosslinking agent ethylenediamine and oxidant over cure of equimolar ratio
Sour ammonium, stirs evenly, and adjusting pH is 8-9, and the processed polypropylene non-woven fabric of corrosive liquid is added thereto sufficiently reaction 20-
After 30min, takes out, washing is sufficiently vibrated with distilled water, is dried in 50-60 DEG C of vacuum oven, obtains surface super hydrophilic
Polypropylene non-woven fabric；
(2) infusion process adheres to antibacterial microcapsule:
1% acetic acid solution is added into 5-10 parts of chitosans, high-speed stirred sufficiently dissolves, and is ultrasonically treated 1-2h, obtains quality point
Number is the chitosan solution of 1-2%；Under low speed dispersion stirring, 5-10 parts of tea polyphenols are added, so that polyphenol content is 1-2%；
Antibacterial microcapsule is added, antibacterial modified liquid is mixed to obtain；
Gained hydrophilic modifying polypropylene non-woven fabric in (1) is impregnated in antibacterial modified liquid, temperature be 20-30 DEG C, it is relatively wet
After degree impregnates 20-25h under conditions of being 50-60%, the polypropylene non-woven fabric of dry attachment antibacterial microcapsule at 60-65 DEG C；
(3) surface rubbing method prepares antibiotic packaging material:
The polypropylene non-woven fabric of gained attachment antibacterial microcapsule in (2) is fixed on the glass plate of film instrument, to non-woven fabrics
On equably topple over polyvinyl alcohol antibacterial mother liquor, dry at 65-70 DEG C after being coated with bar, single application drying time is
7-9min, application frequency are 2-3 times, and the antibiotic packaging material is made.
Further, in step (1) polypropylene non-woven fabric pretreatment: polypropylene non-woven fabric is cut by specification,
After being ultrasonically treated 30-40min with dehydrated alcohol, oscillation 1-2h impregnate 20-25h again, then clean removal of impurities repeatedly with distilled water,
It is dried in 50-65 DEG C of vacuum oven, obtains pretreatment polypropylene non-woven fabric.
Further, 13-14 parts of iron chloride are added in the sulfuric acid for being 15% to 50-55 parts of concentration in step (1), stir molten
Solution forms corrosive liquid.
Further, in step (2) antibacterial microcapsule preparation: 4-8 parts of sodium alginates are add to deionized water, magnetic
Power stirring is made into the sodium alginate soln that mass fraction is 1-2%；1-2 parts of nutgall extractives are added thereto, continue to stir
It is uniform to obtain solution A；
Glacial acetic acid solution is added into deionized water, 3-6 parts of calcium chloride are added after stirring evenly, stirring and dissolving is uniform, and 1-2 parts of shells are added
Glycan continues to stir evenly, solution A is added dropwise thereto, and after continuing stirring, 1-2 parts of glutaraldehydes are added, shape to microcapsules, and filtering is set
It is dried in baking oven, obtains antibacterial microcapsule；
Calcium chloride mass fraction is 4-5%, and chitosan mass score is 0.1-0.2%.
Further, in step (3) polyvinyl alcohol antibacterial mother liquor preparation: 5-10 parts of polyvinyl alcohol are stirred with distilled water
Cleaning is put into 60-70 DEG C of drying box dry 10-12h, and 1:1 is added in deionized water, after 60-65 DEG C of swelling 1-2h, is added
0.1-0.2 parts of plasticizer glycerol, 0.2-0.3 parts of antibacterial agents, cooling after stirring 4-5h at 90-95 DEG C, vacuum suction 1-2h is removed
Polyvinyl alcohol antibacterial mother liquor is made in bubble；
Antibacterial agent is any mixing of any one or more of dehydroactic acid sodium, potassium sorbate or sodium benzoate.
The present invention has the advantage that compared with prior art
(1) polypropylene non-woven fabric hydrophobic to packaging base material carries out surface hydrophilic modification, the corruption first formed with sulfuric acid and iron chloride
It loses liquid and impregnates polypropylene non-woven fabric, corrosive liquid modified polypropene non-woven fabrics introduces hydrophilic functional group, and modified surface goes out
Now apparent etching and concavity deposit, surface is roughening, this is the reason of non-woven fabrics hydrophily improves；It is modified improve it is poly-
Gas permeability, water absorption rate and the contact angle of propylene non-woven fabrics；
It recycles the oxidation autohemagglutination of dopamine that there is film forming to carry out surface hydrophilicity to polypropylene non-woven fabric to be modified, crosslinking agent second
The addition of diamines, oxidant ammonium persulfate has dramatically speeded up the oxidation of dopamine from collecting process, and it is super close that surface can be obtained in reaction
The polypropylene non-woven fabric of water；The hydrophilicity for improving substrate keeps it convenient stronger with chitosan, tea polyphenols, antibacterial microcapsule
In conjunction with；Non-woven fabrics antibiotic packaging material is prepared under the conditions of constant temperature and humidity using dip-coating method.
(2) use orifice comminution granulation, using with antibiotic property sodium alginate and chitosan as wall material, with antibacterial, solution
The Chinese herbal medicine nutgall extractive of toxic action is core material, is prepared for antibacterial microcapsule；Such antibacterial microcapsule preparation cost is cheap,
Preparation method is simple and easy to do, suitable for large-scale promotion and exploitation；
Chitosan, tea polyphenols, antibacterial microcapsule are attached to hydrophilic modifying polypropylene non-woven fabric using the method for immersion coating
Surface, tea polyphenols have very strong inoxidizability, and the addition of tea polyphenols improves the compatibility of chitosan and non-woven fabrics, improves
The barrier property of material；There is good inhibiting effect to the growth of Escherichia coli.
(3) using polypropylene non-woven fabric as substrate, using polyvinyl alcohol mother liquor modification nonwoven cloth, add into polyvinyl alcohol mother liquor
Add antibacterial agent dehydroactic acid sodium, potassium sorbate or sodium benzoate to prepare polyvinyl alcohol antibacterial mother liquor, is prepared using surface rubbing method
Antibiotic packaging material.
Specific embodiment
Embodiment 1
A kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material, which is characterized in that including such as
Lower step:
(1) polypropylene non-woven fabric surface hydrophilic modification:
Pretreatment polypropylene non-woven fabric is immersed in corrosive liquid, after reacting 3h in 30-40 DEG C of water-bath, in 60-65 DEG C of drying
1h obtains the polypropylene non-woven fabric of corrosive liquid processing with distilled water immersion 6h；
The dopamine that concentration is 20mmol/L is added in Xiang Shuizhong, adds the crosslinking agent ethylenediamine and oxidant over cure of equimolar ratio
Sour ammonium, stirs evenly, and adjusting pH is 8, after the processed polypropylene non-woven fabric of corrosive liquid is added thereto sufficiently reaction 20min,
Take out, washing sufficiently vibrated with distilled water, is dried in 50-60 DEG C of vacuum oven, obtain the polypropylene of surface super hydrophilic without
Woven fabric；
(2) infusion process adheres to antibacterial microcapsule:
1% acetic acid solution is added into 5 parts of chitosans, high-speed stirred sufficiently dissolves, and is ultrasonically treated 1h, and obtaining mass fraction is 1%
Chitosan solution；Under low speed dispersion stirring, 5 parts of tea polyphenols are added, so that polyphenol content is 1%；Add the micro- glue of antibacterial
Capsule mixes to obtain antibacterial modified liquid；
Gained hydrophilic modifying polypropylene non-woven fabric in (1) is impregnated in antibacterial modified liquid, temperature be 20-30 DEG C, it is relatively wet
After degree impregnates 20h under conditions of being 50-60%, the polypropylene non-woven fabric of dry attachment antibacterial microcapsule at 60-65 DEG C；
(3) surface rubbing method prepares antibiotic packaging material:
The polypropylene non-woven fabric of gained attachment antibacterial microcapsule in (2) is fixed on the glass plate of film instrument, to non-woven fabrics
On equably topple over polyvinyl alcohol antibacterial mother liquor, dry at 65-70 DEG C after being coated with bar, single application drying time is
7min, application frequency are 2 times, and the antibiotic packaging material is made.
Further, in step (1) polypropylene non-woven fabric pretreatment: polypropylene non-woven fabric is cut by specification,
After being ultrasonically treated 30min with dehydrated alcohol, oscillation 1h impregnate 20h again, then clean removal of impurities repeatedly with distilled water, very at 50-65 DEG C
It is dried in empty drying box, obtains pretreatment polypropylene non-woven fabric.
Further, 13 parts of iron chloride are added in the sulfuric acid for being 15% to 50 parts of concentration in step (1), stirring and dissolving is formed
Corrosive liquid.
Further, in step (2) antibacterial microcapsule preparation: 4 parts of sodium alginates are add to deionized water, magnetic force
Stirring is made into the sodium alginate soln that mass fraction is 1%；1 part of nutgall extractive is added thereto, continues to stir evenly
Solution A；
Glacial acetic acid solution is added into deionized water, 3 parts of calcium chloride are added after stirring evenly, stirring and dissolving is uniform, and it is poly- that 1 part of shell is added
Sugar continues to stir evenly, solution A is added dropwise thereto, and after continuing stirring, 1 part of glutaraldehyde is added, and shapes to microcapsules, and filtering is placed in baking
It is dried in case, obtains antibacterial microcapsule；
Calcium chloride mass fraction is 4%, and chitosan mass score is 0.1%.
Further, in step (3) polyvinyl alcohol antibacterial mother liquor preparation: 5 parts of polyvinyl alcohol are stirred with distilled water clear
It washes, is put into 60-70 DEG C of drying box dry 10h, 1:1 is added in deionized water, and after 60-65 DEG C of swelling 1h, 0.1 part of increasing is added
Agent glycerol, 0.2 part of antibacterial agent are moulded, cooling after stirring 4h at 90-95 DEG C, it is anti-that polyvinyl alcohol is made in vacuum suction 1h bubble removing
Mother bacterial liquid；
Antibacterial agent is any mixing of any one or more of dehydroactic acid sodium, potassium sorbate or sodium benzoate.
Embodiment 2
A kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material, which is characterized in that including such as
Lower step:
(1) polypropylene non-woven fabric surface hydrophilic modification:
Pretreatment polypropylene non-woven fabric is immersed in corrosive liquid, after reacting 4h in 30-40 DEG C of water-bath, in 60-65 DEG C of drying
2h obtains the polypropylene non-woven fabric of corrosive liquid processing with distilled water immersion 8h；
The dopamine that concentration is 20mmol/L is added in Xiang Shuizhong, adds the crosslinking agent ethylenediamine and oxidant over cure of equimolar ratio
Sour ammonium, stirs evenly, and adjusting pH is 9, after the processed polypropylene non-woven fabric of corrosive liquid is added thereto sufficiently reaction 30min,
Take out, washing sufficiently vibrated with distilled water, is dried in 50-60 DEG C of vacuum oven, obtain the polypropylene of surface super hydrophilic without
Woven fabric；
(2) infusion process adheres to antibacterial microcapsule:
1% acetic acid solution is added into 10 parts of chitosans, high-speed stirred sufficiently dissolves, and is ultrasonically treated 2h, obtaining mass fraction is
2% chitosan solution；Under low speed dispersion stirring, 10 parts of tea polyphenols are added, so that polyphenol content is 2%；Add antibacterial
Microcapsules mix to obtain antibacterial modified liquid；
Gained hydrophilic modifying polypropylene non-woven fabric in (1) is impregnated in antibacterial modified liquid, temperature be 20-30 DEG C, it is relatively wet
After degree impregnates 25h under conditions of being 50-60%, the polypropylene non-woven fabric of dry attachment antibacterial microcapsule at 60-65 DEG C；
(3) surface rubbing method prepares antibiotic packaging material:
The polypropylene non-woven fabric of gained attachment antibacterial microcapsule in (2) is fixed on the glass plate of film instrument, to non-woven fabrics
On equably topple over polyvinyl alcohol antibacterial mother liquor, dry at 65-70 DEG C after being coated with bar, single application drying time is
9min, application frequency are 3 times, and the antibiotic packaging material is made.
Further, in step (1) polypropylene non-woven fabric pretreatment: polypropylene non-woven fabric is cut by specification,
After being ultrasonically treated 40min with dehydrated alcohol, oscillation 2h impregnate 25h again, then clean removal of impurities repeatedly with distilled water, very at 50-65 DEG C
It is dried in empty drying box, obtains pretreatment polypropylene non-woven fabric.
Further, 14 parts of iron chloride are added in the sulfuric acid for being 15% to 55 parts of concentration in step (1), stirring and dissolving is formed
Corrosive liquid.
Further, in step (2) antibacterial microcapsule preparation: 8 parts of sodium alginates are add to deionized water, magnetic force
Stirring is made into the sodium alginate soln that mass fraction is 2%；2 parts of nutgall extractives are added thereto, continue to stir evenly
Solution A；
Glacial acetic acid solution is added into deionized water, 6 parts of calcium chloride are added after stirring evenly, stirring and dissolving is uniform, and it is poly- that 2 parts of shells are added
Sugar continues to stir evenly, solution A is added dropwise thereto, and after continuing stirring, 2 parts of glutaraldehydes are added, and shapes to microcapsules, and filtering is placed in baking
It is dried in case, obtains antibacterial microcapsule；
Calcium chloride mass fraction is 5%, and chitosan mass score is 0.2%.
Further, in step (3) polyvinyl alcohol antibacterial mother liquor preparation: 10 parts of polyvinyl alcohol are stirred with distilled water clear
It washes, is put into 60-70 DEG C of drying box dry 12h, 1:1 is added in deionized water, and after 60-65 DEG C of swelling 2h, 0.2 part of increasing is added
Agent glycerol, 0.3 part of antibacterial agent are moulded, cooling after stirring 5h at 90-95 DEG C, it is anti-that polyvinyl alcohol is made in vacuum suction 2h bubble removing
Mother bacterial liquid；
Antibacterial agent is any mixing of any one or more of dehydroactic acid sodium, potassium sorbate or sodium benzoate.
Comparative example 1
Compared with Example 1, unused corrosive liquid, dopamine crosslinking-oxidization system are to poly- third in step (1) for this comparative example 1
Alkene non-woven fabrics carries out surface hydrophilic modification, and method and step in addition to this is all the same.
Comparative example 2
This comparative example 2 is compared with Example 2, poly- in nonwoven surface coating not using surface rubbing method in step (3)
Vinyl alcohol antibacterial mother liquor, method and step in addition to this are all the same.
Control group is not to do the polypropylene non-woven fabric of any modification as blank control group
In order to compare the anti-bacterial refreshing performance of non-woven fabrics packaging material produced by the present invention, to above-described embodiment 1, embodiment 2, right
Non-woven fabrics packaging material more obtained than embodiment 1,2 method of comparative example and control group is corresponding does not do any change
Property processing blank polypropylene non-woven fabric, by red bayberry be put into non-woven fabrics preparation anti-biotic material hermetic bag in, test red bayberry in room
Freshness date under the conditions of temperature, and to the bacteriostasis rate of Escherichia coli, observation result record is as shown in the table:
There is excellent anti-bacterial refreshing performance according to the non-woven fabrics packaging material of the method for the present invention production, the addition of tea polyphenols improves
The barrier property of material；In comparative example 1 unused corrosive liquid, dopamine crosslinking-oxidization system to polypropylene non-woven fabric into
Row surface hydrophilic modification, it is known that gas permeability, water absorption rate and the contact angle of polypropylene non-woven fabric are improved after hydrophilic modifying；It is comparing
The antibacterial of non-woven fabrics is caused to be protected in nonwoven surface pva coating antibacterial mother liquor not using surface rubbing method in embodiment 2
Fresh performance decline, and surface pva coating antibacterial mother liquor makes the tensile strength of material improve 70%.
Claims (5)
1. a kind of method that immersion coating antibacterial microcapsule-polyvinyl alcohol prepares non-woven fabrics packaging material, which is characterized in that including
Following steps:
(1) polypropylene non-woven fabric surface hydrophilic modification:
Pretreatment polypropylene non-woven fabric is immersed in corrosive liquid, it is dry in 60-65 DEG C after reacting 3-4h in 30-40 DEG C of water-bath
Dry 1-2h obtains the polypropylene non-woven fabric of corrosive liquid processing with distilled water immersion 6-8h；
The dopamine that concentration is 20mmol/L is added in Xiang Shuizhong, adds the crosslinking agent ethylenediamine and oxidant over cure of equimolar ratio
Sour ammonium, stirs evenly, and adjusting pH is 8-9, and the processed polypropylene non-woven fabric of corrosive liquid is added thereto sufficiently reaction 20-
After 30min, takes out, washing is sufficiently vibrated with distilled water, is dried in 50-60 DEG C of vacuum oven, obtains surface super hydrophilic
Polypropylene non-woven fabric；
(2) infusion process adheres to antibacterial microcapsule:
1% acetic acid solution is added into 5-10 parts of chitosans, high-speed stirred sufficiently dissolves, and is ultrasonically treated 1-2h, obtains quality point
Number is the chitosan solution of 1-2%；Under low speed dispersion stirring, 5-10 parts of tea polyphenols are added, so that polyphenol content is 1-2%；
Antibacterial microcapsule is added, antibacterial modified liquid is mixed to obtain；
Gained hydrophilic modifying polypropylene non-woven fabric in (1) is impregnated in antibacterial modified liquid, temperature be 20-30 DEG C, it is relatively wet
After degree impregnates 20-25h under conditions of being 50-60%, the polypropylene non-woven fabric of dry attachment antibacterial microcapsule at 60-65 DEG C；
(3) surface rubbing method prepares antibiotic packaging material:
The polypropylene non-woven fabric of gained attachment antibacterial microcapsule in (2) is fixed on the glass plate of film instrument, to non-woven fabrics
On equably topple over polyvinyl alcohol antibacterial mother liquor, dry at 65-70 DEG C after being coated with bar, single application drying time is
7-9min, application frequency are 2-3 times, and the antibiotic packaging material is made.
2. a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol according to claim 1 prepares non-woven fabrics packaging material
Method, which is characterized in that the pretreatment of polypropylene non-woven fabric in step (1):
Polypropylene non-woven fabric is cut by specification, with dehydrated alcohol be ultrasonically treated 30-40min after, oscillation 1-2h impregnate again
20-25h, then clean removal of impurities repeatedly with distilled water, it is dried in 50-65 DEG C of vacuum oven, obtains pretreatment polypropylene non-woven
Cloth.
3. a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol according to claim 1 prepares non-woven fabrics packaging material
Method, which is characterized in that 13-14 parts of iron chloride, stirring and dissolving are added in the sulfuric acid for being 15% to 50-55 parts of concentration in step (1)
Form corrosive liquid.
4. a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol according to claim 1 prepares non-woven fabrics packaging material
Method, which is characterized in that the preparation of antibacterial microcapsule in step (2):
4-8 parts of sodium alginates are add to deionized water, magnetic agitation, it is molten to be made into the sodium alginate that mass fraction is 1-2%
Liquid；1-2 parts of nutgall extractives are added thereto, continue to stir evenly to obtain solution A；
Glacial acetic acid solution is added into deionized water, 3-6 parts of calcium chloride are added after stirring evenly, stirring and dissolving is uniform, and 1-2 parts of shells are added
Glycan continues to stir evenly, solution A is added dropwise thereto, and after continuing stirring, 1-2 parts of glutaraldehydes are added, shape to microcapsules, and filtering is set
It is dried in baking oven, obtains antibacterial microcapsule；
Calcium chloride mass fraction is 4-5%, and chitosan mass score is 0.1-0.2%.
5. a kind of immersion coating antibacterial microcapsule-polyvinyl alcohol according to claim 1 prepares non-woven fabrics packaging material
Method, which is characterized in that the preparation of polyvinyl alcohol antibacterial mother liquor in step (3):
By 5-10 parts of polyvinyl alcohol distilled water stirring and washings, dry 10-12h is put into 60-70 DEG C of drying box, and 1:1 is added to
In ionized water, after 60-65 DEG C of swelling 1-2h, 0.1-0.2 parts of plasticizer glycerol, 0.2-0.3 parts of antibacterial agents are added, in 90-95
Cooling after stirring 4-5h at DEG C, polyvinyl alcohol antibacterial mother liquor is made in vacuum suction 1-2h bubble removing；
Antibacterial agent is any mixing of any one or more of dehydroactic acid sodium, potassium sorbate or sodium benzoate.
Priority Applications (1)
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| CN111749009A (en) * | 2020-07-14 | 2020-10-09 | 福建恒安集团有限公司 | Non-woven fabric for protective clothing and preparation method thereof |
| CN111759588A (en) * | 2020-06-17 | 2020-10-13 | 山东爱舒乐卫生用品有限责任公司 | Paper diaper with antibacterial function and processing technology thereof |
| CN111826943A (en) * | 2020-06-09 | 2020-10-27 | 维达纸业(浙江)有限公司 | A antibacterial non-woven fabrics for panty-shape diapers |
| GB2584438A (en) * | 2019-05-31 | 2020-12-09 | Inst Jozef Stefan | Film and production method |
| CN112746500A (en) * | 2020-12-28 | 2021-05-04 | 安徽省临泉县万隆塑料包装有限公司 | Antibacterial polypropylene non-woven fabric and preparation method thereof |
| WO2021139193A1 (en) * | 2020-01-06 | 2021-07-15 | 浙江神英科技股份有限公司 | Sustained-release long-lasting antibacterial hand sanitizer and preparation method therefor |
| CN113151978A (en) * | 2021-03-15 | 2021-07-23 | 杭州诚品实业有限公司 | Antibacterial wood pulp viscose composite non-woven fabric and preparation method thereof |
| CN113265762A (en) * | 2020-08-07 | 2021-08-17 | 李潮云 | Biomedical non-woven fabric based on nano fibers |
| CN113293616A (en) * | 2021-06-03 | 2021-08-24 | 东华大学 | Antibacterial polypropylene non-woven fabric and preparation method thereof |
| CN113521372A (en) * | 2020-08-11 | 2021-10-22 | 王宏澜 | Preparation method of antibacterial medical coated non-woven fabric |
| CN114086394A (en) * | 2021-11-27 | 2022-02-25 | 台州市盛迪卫生用品有限公司 | Treatment process of non-woven fabric for mask |
| CN114617162A (en) * | 2022-02-24 | 2022-06-14 | 中国农业科学院油料作物研究所 | Preparation method of nut preservative |
| CN115364577A (en) * | 2022-08-22 | 2022-11-22 | 上海世龙科技有限公司 | Preparation method of antibacterial polypropylene non-woven fabric filter material |
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| GB2584438A (en) * | 2019-05-31 | 2020-12-09 | Inst Jozef Stefan | Film and production method |
| WO2021139193A1 (en) * | 2020-01-06 | 2021-07-15 | 浙江神英科技股份有限公司 | Sustained-release long-lasting antibacterial hand sanitizer and preparation method therefor |
| CN111826943A (en) * | 2020-06-09 | 2020-10-27 | 维达纸业(浙江)有限公司 | A antibacterial non-woven fabrics for panty-shape diapers |
| CN111759588A (en) * | 2020-06-17 | 2020-10-13 | 山东爱舒乐卫生用品有限责任公司 | Paper diaper with antibacterial function and processing technology thereof |
| CN111749009A (en) * | 2020-07-14 | 2020-10-09 | 福建恒安集团有限公司 | Non-woven fabric for protective clothing and preparation method thereof |
| CN113265762A (en) * | 2020-08-07 | 2021-08-17 | 李潮云 | Biomedical non-woven fabric based on nano fibers |
| CN113265762B (en) * | 2020-08-07 | 2023-04-14 | 苏州鱼得水电气科技有限公司 | Biomedical non-woven fabric based on nano fibers |
| CN113521372B (en) * | 2020-08-11 | 2022-11-22 | 福建嘉佳康源科技有限公司 | Preparation method of antibacterial medical coated non-woven fabric |
| CN113521372A (en) * | 2020-08-11 | 2021-10-22 | 王宏澜 | Preparation method of antibacterial medical coated non-woven fabric |
| CN112746500A (en) * | 2020-12-28 | 2021-05-04 | 安徽省临泉县万隆塑料包装有限公司 | Antibacterial polypropylene non-woven fabric and preparation method thereof |
| CN113151978A (en) * | 2021-03-15 | 2021-07-23 | 杭州诚品实业有限公司 | Antibacterial wood pulp viscose composite non-woven fabric and preparation method thereof |
| CN113293616A (en) * | 2021-06-03 | 2021-08-24 | 东华大学 | Antibacterial polypropylene non-woven fabric and preparation method thereof |
| CN114086394A (en) * | 2021-11-27 | 2022-02-25 | 台州市盛迪卫生用品有限公司 | Treatment process of non-woven fabric for mask |
| CN114086394B (en) * | 2021-11-27 | 2023-10-10 | 杭州杭纺科技有限公司 | Treatment process of non-woven fabric for mask |
| CN114617162A (en) * | 2022-02-24 | 2022-06-14 | 中国农业科学院油料作物研究所 | Preparation method of nut preservative |
| CN114617162B (en) * | 2022-02-24 | 2023-11-03 | 中国农业科学院油料作物研究所 | Preparation method of nut preservative |
| CN115364577A (en) * | 2022-08-22 | 2022-11-22 | 上海世龙科技有限公司 | Preparation method of antibacterial polypropylene non-woven fabric filter material |
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