CN106905598A - A kind of antibacterial nano fiber base preservative film and preparation method thereof - Google Patents
A kind of antibacterial nano fiber base preservative film and preparation method thereof Download PDFInfo
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- CN106905598A CN106905598A CN201710222619.0A CN201710222619A CN106905598A CN 106905598 A CN106905598 A CN 106905598A CN 201710222619 A CN201710222619 A CN 201710222619A CN 106905598 A CN106905598 A CN 106905598A
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- diatomite
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- fiber
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/10—Esters of organic acids
-
- 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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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 invention discloses a kind of antibacterial nano fiber base preservative film, it is made up of the raw material of following weight parts：Sodium tripolyphosphate 12, polyethylene 130 150, mannosan 12, nanocrystal cellulose 10 14, cellulose acetate propionate 47, nylon acid methyl esters 10 14, 8 oxyquinolines 12, diisopropyl ethanolamine 0.7 1, the tricaprylate 58 of triethylene glycol two, Sucrose acetoisobutyrate 34, allyl polyglycol 57, diatomite 10 20, antibacterial aqueous dispersions 40 50, the diatomite that the present invention of 1-hydroxy ethylidene-1,1-diphosphonic acid 23 is added is by after esterification modification, compatibility between polymeric matrix is good, effectively raise the stability_intensity of finished films, with good toughness, biocidal property, safety in utilization is good, combination property is superior.
Description
Technical field
The invention belongs to film applications, and in particular to a kind of antibacterial nano fiber base preservative film and preparation method thereof.
Background technology
Preservative film is the plastic packing product of the class fresh-keeping foodstuff that people commonly use, and it is all be unable to do without now with many families
.Food in microwave oven heating can be used, and food is deposited in refrigerator can equally be used.The overwhelming majority guarantor for selling in the market
Fresh film is all with ethene masterbatch as raw material, according to the variety classes of ethene masterbatch, preservative film as conventional polybag
Three major types can be divided into.The first is polyethylene, and abbreviation PE, this material is mainly used in the packaging of food, and we buy usually
Water fruits and vegetables this film, be included in supermarket buying return semi-finished product all be this material；Second is poly-
Vinyl chloride, abbreviation PVC, this material can be used for packaging for foodstuff, but its security to human body has a certain impact；The
Three kinds is polyvinylidene chloride, and abbreviation PVDC is mainly used in the packaging of the products such as some prepared food, ham.Go out from physical angle
Hair, preservative film has appropriate oxygen permeability and moisture permeability, and regulation is intercepted empty by the oxygen content and moisture around fresh-keeping product
Dust in gas, so as to extend the freshness date of food；
But substantial amounts of microorganism is there is in nature, these hundreds of millions of tiny organisms are distributed in sky gas and water, soil
In, it may be said that it is ubiquitous.Food is usually corrupt mouldy in placement process, and this has with the fungal spore of disperse everywhere in air
Very big relation, especially in coastal humid area.Existing preservative film seldom focuses on antibacterial and mouldproof aspect, and this is just for we develop
A kind of preservative film with anti-microbial property provides opportunity and direction.Therefore, it is intended that invention is a kind of with anti-microbial property
Food fresh keeping membrane, make it have lasting fresh-keeping, high-efficiency antimicrobial, tolerance high/low temperature, it is nontoxic the characteristics of.
The content of the invention
Defect and deficiency it is an object of the invention to be directed to prior art, there is provided a kind of antibacterial nano fiber base is fresh-keeping
Film and preparation method thereof.
To achieve the above object, the present invention uses following technical scheme：
A kind of antibacterial nano fiber base preservative film, it is made up of the raw material of following weight parts：
Sodium tripolyphosphate 1-2, polyethylene 130-150, mannosan 1-2, nanocrystal cellulose 10-14, acetate propionate fiber
Plain 4-7, nylon acid methyl esters 10-14,8-hydroxyquinoline 1-2, diisopropyl ethanolamine 0.7-1, the tricaprylate 5-8 of triethylene glycol two,
Sucrose acetoisobutyrate 3-4, allyl polyglycol 5-7, diatomite 10-20, antibacterial aqueous dispersions 40-50, hydroxy ethylidene
Di 2 ethylhexyl phosphonic acid 2-3.
The preparation method of described antibacterial aqueous dispersions is：It is 3-4 by mass ratio:1 calcium propionate, sodium Diacetate mixing,
It is added in the deionized water of 100-110 times of compound weight, stirs, obtains final product.
Described polyethylene is LLDPE.
A kind of preparation method of antibacterial nano fiber base preservative film, comprises the following steps：
（1）8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10-15 times of its weight, stirred；
（2）Cellulose acetate propionate is taken, is added in the deionized water of 15-20 times of its weight, stirred, dropwise addition concentration is 4-
7% ammoniacal liquor, regulation pH is 10-11, is stirred, and obtains fiber dispersion；
（3）Diatomite is taken, is calcined 1-2 hours at 700-800 DEG C, be cooled to normal temperature, mixed with sodium tripolyphosphate, be added to mixed
Close in the deionized water of 6-8 times of weight of material, stir, add alcoholic solution, fiber dispersion, the allyl of above-mentioned 8-hydroxyquinoline
Base polyethylene glycol, it is 60-70 DEG C to rise high-temperature, insulated and stirred 40-50 minutes, ethanol is distilled off, and obtains fiber composite diatomite
Dispersion liquid；
（4）Nanocrystal cellulose, 1-hydroxy ethylidene-1,1-diphosphonic acid mixing are taken, the deionization of 150-200 times of compound weight is added to
It is ultrasonic 3-4 minutes in water, obtain phosphorylated cellulose dispersion liquid；
（5）Above-mentioned fiber composite diatomite dispersion liquid, phosphorylated cellulose dispersion liquid are mixed, is stirred, be sent to reaction
In kettle, insulation reaction 2-3 hours at 170-200 DEG C, discharging is dried to constant weight at 50-60 DEG C, is cooled to normal temperature, obtains silicon
Diatomaceous earth fiber；
（6）Sucrose acetoisobutyrate is taken, is added in nylon acid methyl esters, stirred, obtain ester dispersion liquid；
（7）Above-mentioned diatomite fiber is added in antibacterial aqueous dispersions, diisopropyl ethanolamine is added, liter high-temperature is 70-
80 DEG C, mix with above-mentioned ester dispersion liquid, insulated and stirred 1-2 hours, suction filtration, precipitation is washed, air drying obtains esterification diatomite
Fiber；
（8）Above-mentioned esterification diatomite fiber is mixed with remaining each raw material, is stirred, send into extruder, melting extrusion is passed through
Blown film, cooling, obtain final product the antibacterial nano fiber base preservative film.
Advantages of the present invention：
1st, the present invention uses diatomite calcination, then disperses in sodium tripolyphosphate, obtains the diatomite containing microcellular structure, energy
Enough effective oxygen permeabilities for improving finished films are good, extend the fresh-keeping effect of preservative film；
2nd, the present invention is using nylon acid methyl esters, sodium Diacetate, calcium propionate, 8-hydroxyquinoline etc., and has a broad antifungal spectrum is numerous to various bacteria
Growing body, fungal spore has inhibitory action, in 1-hydroxy ethylidene-1,1-diphosphonic acid blending, also with good Synergistic antimicrobial effect；
3rd, each raw material of the invention is free of poisonous and hazardous volatile materials, belongs to food-grade packaging material, while having prevented to change
Influence of the preservative to health is learned, and biological degradability is good, and secondary pollution is not constituted to environment；
4th, the present invention effectively raises the toughness of finished films using cellulose acetate propionate, nanocrystal cellulose blending
And elongation at break；
5th, the stable chemical nature of film of the present invention, does not chemically react with food, and safety in utilization is good；
6th, the diatomite that the present invention is added is by the way that after esterification modification, the compatibility between polymeric matrix is good, effectively raises
The stability_intensity of finished films.
Specific embodiment
Embodiment 1
A kind of antibacterial nano fiber base preservative film, it is made up of the raw material of following weight parts：
Sodium tripolyphosphate 1, polyethylene 130, mannosan 1, nanocrystal cellulose 10, cellulose acetate propionate 4, nylon acid first
Ester 10,8-hydroxyquinoline 1, diisopropyl ethanolamine 0.7, the tricaprylate 5 of triethylene glycol two, Sucrose acetoisobutyrate 3, pi-allyl
Polyethylene glycol 5, diatomite 10, antibacterial aqueous dispersions 40,1-hydroxy ethylidene-1,1-diphosphonic acid 2.
The preparation method of described antibacterial aqueous dispersions is：It is 3 by mass ratio:1 calcium propionate, sodium Diacetate mixing, plus
Enter in the deionized water of 100 times of compound weight, stir, obtain final product.
Described polyethylene is LLDPE.
A kind of preparation method of antibacterial nano fiber base preservative film, comprises the following steps：
（1）8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10 times of its weight, stirred；
（2）Cellulose acetate propionate is taken, is added in the deionized water of 15 times of its weight, stirred, it is 4% that concentration is added dropwise
Ammoniacal liquor, regulation pH is 10, is stirred, and obtains fiber dispersion；
（3）Diatomite is taken, is calcined 1 hour at 700 DEG C, be cooled to normal temperature, mixed with sodium tripolyphosphate, be added to compound weight
In the deionized water of 6 times of amount, stir, add alcoholic solution, fiber dispersion, the poly- second two of pi-allyl of above-mentioned 8-hydroxyquinoline
Alcohol, it is 60 DEG C to rise high-temperature, and insulated and stirred 40 minutes is distilled off ethanol, obtains fiber composite diatomite dispersion liquid；
（4）Nanocrystal cellulose, 1-hydroxy ethylidene-1,1-diphosphonic acid mixing are taken, the deionization of 150-200 times of compound weight is added to
In water, ultrasound 3 minutes obtains phosphorylated cellulose dispersion liquid；
（5）Above-mentioned fiber composite diatomite dispersion liquid, phosphorylated cellulose dispersion liquid are mixed, is stirred, be sent to reaction
In kettle, insulation reaction 2 hours at 170 DEG C, discharging is dried to constant weight at 50 DEG C, is cooled to normal temperature, obtains diatomite fiber；
（6）Sucrose acetoisobutyrate is taken, is added in nylon acid methyl esters, stirred, obtain ester dispersion liquid；
（7）Above-mentioned diatomite fiber is added in antibacterial aqueous dispersions, diisopropyl ethanolamine is added, it is 70 to rise high-temperature
DEG C, mix with above-mentioned ester dispersion liquid, insulated and stirred 1 hour, suction filtration, precipitation is washed, air drying, diatomite must be esterified fine
Dimension；
（8）Above-mentioned esterification diatomite fiber is mixed with remaining each raw material, is stirred, send into extruder, melting extrusion is passed through
Blown film, cooling, obtain final product the antibacterial nano fiber base preservative film.
Embodiment 2
A kind of antibacterial nano fiber base preservative film, it is made up of the raw material of following weight parts：
Sodium tripolyphosphate 2, polyethylene 150, mannosan 2, nanocrystal cellulose 14, cellulose acetate propionate 7, nylon acid first
Ester 14,8-hydroxyquinoline 2, diisopropyl ethanolamine 1, the tricaprylate 8 of triethylene glycol two, Sucrose acetoisobutyrate 4, pi-allyl gather
Ethylene glycol 7, diatomite 20, antibacterial aqueous dispersions 50,1-hydroxy ethylidene-1,1-diphosphonic acid 3.
The preparation method of described antibacterial aqueous dispersions is：It is 4 by mass ratio:1 calcium propionate, sodium Diacetate mixing, plus
Enter in the deionized water of 110 times of compound weight, stir, obtain final product.
Described polyethylene is LLDPE.
A kind of preparation method of antibacterial nano fiber base preservative film, comprises the following steps：
（1）8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 15 times of its weight, stirred；
（2）Cellulose acetate propionate is taken, is added in the deionized water of 20 times of its weight, stirred, dropwise addition concentration is 4-7%
Ammoniacal liquor, regulation pH be 11, stir, obtain fiber dispersion；
（3）Diatomite is taken, is calcined 2 hours at 800 DEG C, be cooled to normal temperature, mixed with sodium tripolyphosphate, be added to compound weight
In the deionized water of 8 times of amount, stir, add alcoholic solution, fiber dispersion, the poly- second two of pi-allyl of above-mentioned 8-hydroxyquinoline
Alcohol, it is 70 DEG C to rise high-temperature, and insulated and stirred 50 minutes is distilled off ethanol, obtains fiber composite diatomite dispersion liquid；
（4）Nanocrystal cellulose, 1-hydroxy ethylidene-1,1-diphosphonic acid mixing are taken, are added in the deionized water of 200 times of compound weight,
Ultrasound 4 minutes, obtains phosphorylated cellulose dispersion liquid；
（5）Above-mentioned fiber composite diatomite dispersion liquid, phosphorylated cellulose dispersion liquid are mixed, is stirred, be sent to reaction
In kettle, insulation reaction 3 hours at 200 DEG C, discharging is dried to constant weight at 60 DEG C, is cooled to normal temperature, obtains diatomite fiber；
（6）Sucrose acetoisobutyrate is taken, is added in nylon acid methyl esters, stirred, obtain ester dispersion liquid；
（7）Above-mentioned diatomite fiber is added in antibacterial aqueous dispersions, diisopropyl ethanolamine is added, it is 80 to rise high-temperature
DEG C, mix with above-mentioned ester dispersion liquid, insulated and stirred 2 hours, suction filtration, precipitation is washed, air drying, diatomite must be esterified fine
Dimension；
（8）Above-mentioned esterification diatomite fiber is mixed with remaining each raw material, is stirred, send into extruder, melting extrusion is passed through
Blown film, cooling, obtain final product the antibacterial nano fiber base preservative film.
Performance test：
After apple 2 days using preservative film of the invention and the fresh-keeping same amount of commercially available preservative film with quality, to the preservative film after use
Carry out antibiotic property test, as a result for：
E. coli clones number：Preservative film of the invention accounts for membrane area less than 5%, and the membrane area that accounts for of commercially available preservative film is 50-60%；
S. aureus colonies number：Preservative film of the invention accounts for membrane area for 5-10%, and the membrane area that accounts for of commercially available preservative film is
55-60%；
Candida albicans clump count：Preservative film of the invention accounts for membrane area less than 5%, and the membrane area that accounts for of commercially available preservative film is 50-
60%。
As can be seen that preservative film of the invention has more preferable fungistatic effect compared with commercially available preservative film.
Claims (4)
1. a kind of antibacterial nano fiber base preservative film, it is characterised in that it is made up of the raw material of following weight parts：
Sodium tripolyphosphate 1-2, polyethylene 130-150, mannosan 1-2, nanocrystal cellulose 10-14, acetate propionate fiber
Plain 4-7, nylon acid methyl esters 10-14,8-hydroxyquinoline 1-2, diisopropyl ethanolamine 0.7-1, the tricaprylate 5-8 of triethylene glycol two,
Sucrose acetoisobutyrate 3-4, allyl polyglycol 5-7, diatomite 10-20, antibacterial aqueous dispersions 40-50, hydroxy ethylidene
Di 2 ethylhexyl phosphonic acid 2-3.
2. a kind of antibacterial nano fiber base preservative film according to claim 1, it is characterised in that described antibacterial moisture
The preparation method of dispersion liquid is：It is 3-4 by mass ratio:1 calcium propionate, sodium Diacetate mixing, is added to compound weight 100-110
In deionized water again, stir, obtain final product.
3. a kind of antibacterial nano fiber base preservative film according to claim 1, it is characterised in that described polyethylene is
LLDPE.
4. a kind of preparation method of antibacterial nano fiber base preservative film as claimed in claim 1, it is characterised in that including with
Lower step：
（1）8-hydroxyquinoline is taken, is added in the absolute ethyl alcohol of 10-15 times of its weight, stirred；
（2）Cellulose acetate propionate is taken, is added in the deionized water of 15-20 times of its weight, stirred, dropwise addition concentration is 4-
7% ammoniacal liquor, regulation pH is 10-11, is stirred, and obtains fiber dispersion；
（3）Diatomite is taken, is calcined 1-2 hours at 700-800 DEG C, be cooled to normal temperature, mixed with sodium tripolyphosphate, be added to mixed
Close in the deionized water of 6-8 times of weight of material, stir, add alcoholic solution, fiber dispersion, the allyl of above-mentioned 8-hydroxyquinoline
Base polyethylene glycol, it is 60-70 DEG C to rise high-temperature, insulated and stirred 40-50 minutes, ethanol is distilled off, and obtains fiber composite diatomite
Dispersion liquid；
（4）Nanocrystal cellulose, 1-hydroxy ethylidene-1,1-diphosphonic acid mixing are taken, the deionization of 150-200 times of compound weight is added to
It is ultrasonic 3-4 minutes in water, obtain phosphorylated cellulose dispersion liquid；
（5）Above-mentioned fiber composite diatomite dispersion liquid, phosphorylated cellulose dispersion liquid are mixed, is stirred, be sent to reaction
In kettle, insulation reaction 2-3 hours at 170-200 DEG C, discharging is dried to constant weight at 50-60 DEG C, is cooled to normal temperature, obtains silicon
Diatomaceous earth fiber；
（6）Sucrose acetoisobutyrate is taken, is added in nylon acid methyl esters, stirred, obtain ester dispersion liquid；
（7）Above-mentioned diatomite fiber is added in antibacterial aqueous dispersions, diisopropyl ethanolamine is added, liter high-temperature is 70-
80 DEG C, mix with above-mentioned ester dispersion liquid, insulated and stirred 1-2 hours, suction filtration, precipitation is washed, air drying obtains esterification diatomite
Fiber；
（8）Above-mentioned esterification diatomite fiber is mixed with remaining each raw material, is stirred, send into extruder, melting extrusion is passed through
Blown film, cooling, obtain final product the antibacterial nano fiber base preservative film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710222619.0A CN106905598A (en) | 2017-04-07 | 2017-04-07 | A kind of antibacterial nano fiber base preservative film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710222619.0A CN106905598A (en) | 2017-04-07 | 2017-04-07 | A kind of antibacterial nano fiber base preservative film and preparation method thereof |
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| CN106905598A true CN106905598A (en) | 2017-06-30 |
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| CN201710222619.0A Pending CN106905598A (en) | 2017-04-07 | 2017-04-07 | A kind of antibacterial nano fiber base preservative film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226952A (en) * | 2017-07-07 | 2017-10-03 | 刘昌华 | A kind of preservative film containing natural capsicum element and its application in food fresh keeping |
| JP6369610B1 (en) * | 2017-07-27 | 2018-08-08 | 富士ゼロックス株式会社 | Resin composition and resin molded body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304877A (en) * | 2013-06-21 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Antibacterial micro-pore PE (Poly Ethylene) fresh-keeping film of fruits and vegetables |
-
2017
- 2017-04-07 CN CN201710222619.0A patent/CN106905598A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304877A (en) * | 2013-06-21 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Antibacterial micro-pore PE (Poly Ethylene) fresh-keeping film of fruits and vegetables |
Non-Patent Citations (1)
| Title |
|---|
| 姚守拙 主编: "《现代实验室安全与劳动保护手册 下册》", 9 February 1992, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226952A (en) * | 2017-07-07 | 2017-10-03 | 刘昌华 | A kind of preservative film containing natural capsicum element and its application in food fresh keeping |
| JP6369610B1 (en) * | 2017-07-27 | 2018-08-08 | 富士ゼロックス株式会社 | Resin composition and resin molded body |
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