CN108794957A - A kind of Efficient antibacterial Perserving materials and preparation method thereof - Google Patents
A kind of Efficient antibacterial Perserving materials and preparation method thereof Download PDFInfo
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- CN108794957A CN108794957A CN201810722156.9A CN201810722156A CN108794957A CN 108794957 A CN108794957 A CN 108794957A CN 201810722156 A CN201810722156 A CN 201810722156A CN 108794957 A CN108794957 A CN 108794957A
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
A kind of Efficient antibacterial Perserving materials of present invention offer and preparation method thereof, are prepared by following component：Base resin material, hydroxy acrylate, glycerine, inorganic powder, plant fiber compound, natural fungicidal agent, natural bacteriostatic agent, water soluble chitosan, plant amylum, processing aid and antioxidant.Perserving materials prepared by the present invention have good fresh-keeping function, and gas permeability and biocidal property are good, good fungicidal properties and preferable barrier property, the problem of not only having adapted to the development need of green package, but also can avoid packaging waste environmental pollution.
Description
Technical field
The invention belongs to Perserving materials technical fields, and in particular to a kind of Efficient antibacterial Perserving materials and preparation method thereof.
Background technology
It is mainly preservative film to be used for the material of food fresh keeping currently on the market, and the requirement with people to food fresh-keeping is more next
Higher, some are also occurred gradually over using the Perserving materials that antibacterial, anti-biotic material makes in the visual field of people.Such as in order into one
Step improves food fresh keeping membrane and acts on the bacteriostasis, preservation of food, and people are anti-by adding some chemistry in food fresh keeping membrane material
Bacterium ingredient makes the food fresh keeping membrane obtain antibacterial effect.There are many reports in this regard both at home and abroad.
The Chinese patent of patent No. ZL03101545.X discloses a kind of antibacterial film and its manufacturing method, including thermoplasticity
Resin material, the antiseptic being scattered in the thermoplastic resin material and other optional additives, wherein antiseptic
At least one selected from Ag compounds, Cu compounds, Zn compounds and rare-earth compound.
Application No. is 200810045473.8 Chinese patent applications to disclose a kind of nano-antimicrobial preservative film for fruits and vegetables, by weight
Measure polyethylene, 10%~20% ethylene-vinyl acetate copolymer, 2%~5% nano-antibacterial of percentage 60%~80%
Master batch, 2%~7% anti-condensation master batch and 2%~5% Degradable master batch polyethylene, it is anti-wherein in nano-antibacterial master batch
Bacterium ingredient is the mixture of nano silver and nano-titanium dioxide.
Application No. is 200810153856.7 Chinese patent applications to disclose a kind of nano preservative film for foodstuff, including 100
The ethyl vinyl acetate of the ldpe resin of parts by weight, the linear polyethylene resin of 10~30 parts by weight, 10~25 parts by weight
The 20% of vinyl, the antioxidant of 0.5~5 parts by weight, 20% antifoggant master batch of 1~10 parts by weight, 1~10 parts by weight
Antibacterial matrices, 1~5 parts by weight 25% calcium carbonate master batch and 1~5 parts by weight nano zine oxide.
Application No. is 200910273052.5 Chinese patent application disclose a kind of moisture retention, antibacterial preservative film and its
Preparation method, weight percent be 70%~90% polyethylene or vinylidene chloride, 10%~30% chitosan, account for polyethylene or
0.5%~5% copper compound of vinylidene chloride and chitosan total amount and account for polyethylene or vinylidene chloride and chitosan
0.1%~0.5% surface modifier of total amount, wherein copper compound is that oxide, copper salt kind compound or the copper zinc of copper are mixed
Close object.
Application No. is 200910306633.4 Chinese patent applications to disclose a kind of high-transparency physical antibacterial polyolefin fruit
Vegetable storage fresh-keeping film, including polarity polyvinyl chloride resin, primary plasticizer, extender plasticizer, liquid heat stabilizer, physical sterilization agent, antibacterial
Agent, solid heat stabilizer, lubricant, opening agent and dyestuff, wherein physical antibacterial agent be nano silver, nano-titanium dioxide, zeolite,
One or more in silver zeolite, antiseptic is one or more in alundum (Al2O3), activated carbon, molecular sieve.
Application No. is 201010142812.1 Chinese patent application, to disclose a kind of specific antibacterial PE (polyethylene) fresh-keeping
Film, including polyethylene, glass carrier silver ion antimicrobial agent, or further containing one kind in tackifier, antifoggant, edible oil
Or more than one.
Application No. is 02117095.9 Chinese patent applications to disclose a kind of antibiotic plastic preparation method, using poly- second
Alkene, polypropylene, polyester, acrylonitrile-butadiene-styrene, nylon utilize titanium dioxide optical catalyst as carrier
With other auxiliary agents as antimicrobial component.
Antimicrobial component used includes mainly nano silver, nano-titanium dioxide, silver in these above-mentioned patents or patent application
The nano metals such as compound, copper compound, zinc compound or metallic compound, mainly by with bacterial cell memebrane protein knot
It closes, leads to bacterio protein denaturation to achieve the purpose that inhibit bacterial growth.Wherein, silver and its compound have best suppression
Bacterium effect, but its price is costly, it is higher so as to cause production cost, without preferable economic benefit, cannot achieve extensive
Industrialized production, promotion and application, in addition, nano metal or metallic compound are substantially all as heavy metal, people connect for a long time
Tactile heavy metal compound also increases the potential risk of unfavorable health.
In summary, it is therefore desirable to a kind of better Perserving materials, to improve the deficiencies in the prior art.
Invention content
The object of the present invention is to provide a kind of Efficient antibacterial Perserving materials and preparation method thereof, fresh-keeping material prepared by the present invention
Material has good fresh-keeping function, and gas permeability and biocidal property are good, and good fungicidal properties and preferable barrier property both adapt to green
Package development needs, and the problem of avoidable packaging waste environmental pollution.
The present invention provides the following technical solutions：
A kind of Efficient antibacterial Perserving materials, include the raw material of following parts by weight：12-18 parts of base resin material, hydroxy acrylic acid
9-13 parts of ester, 4-7 parts of glycerine, 8-12 parts of inorganic powder, -16 parts of plant fiber compound 11,5-10 parts of natural fungicidal agent, day
3-6 parts of right 4-8 parts of bacteriostatic agent, 6-10 parts of water soluble chitosan, 3-7 parts of plant amylum, 3-8 parts of processing aid and antioxidant.
Preferably, the Perserving materials include the raw material of following parts by weight：15-18 parts of base resin material, hydroxy
9-12 parts of acid esters, 5-7 parts of glycerine, 8-10 parts of inorganic powder, 14-16 parts of plant fiber compound, 5-8 parts of natural fungicidal agent,
4-6 parts of 6-8 parts of natural bacteriostatic agent, 7-10 parts of water soluble chitosan, 4-7 parts of plant amylum, 5-8 parts of processing aid and antioxidant.
Preferably, the Perserving materials include the raw material of following parts by weight：17 parts of base resin material, hydroxy acrylate
11 parts, 6 parts of glycerine, 8 parts of inorganic powder, 15 parts of plant fiber compound, 7 parts of natural fungicidal agent, 7 parts of natural bacteriostatic agent, water
5 parts of 9 parts of soluble chitosan, 6 parts of plant amylum, 6 parts of processing aid and antioxidant.
A kind of preparation method of Efficient antibacterial Perserving materials, including following preparation process：
A, base resin material, hydroxy acrylate are imported in reaction kettle, are warming up to 75-80 DEG C, are stirred to react 22-24min,
After being cooled to room temperature, material one is obtained；
B, inorganic powder, plant fiber compound are imported in ball mill, ball milling 1.2-1.5h, then imported in glycerine, stirred
Uniformly, material two is obtained；
C, water soluble chitosan, plant amylum are imported in blender, 0.5-0.7h are heated and be stirred to react at 55-58 DEG C,
Heat preservation obtains viscous fluid；
D, material one, material two and viscous fluid are mixed and is imported in high mixer, turned at 72-75 DEG C, with 280-300r/min
Speed is stirred to react 20-24min, obtains disperse materials；
E, disperse materials, natural fungicidal agent, natural bacteriostatic agent, processing aid and antioxidant are mixed and are imported in double screw extruder,
It mediates and squeezes out, through fashioning into, you can obtain finished product.
Preferably, the base resin material of the step a is acrylic acid esters co-polymer and polyvinyl acetate copolymer
In mass ratio 2:After 1 mixing, it is dissolved in polyvinyl alcohol, gained.
Preferably, the inorganic powder of the step b be fineness be more than 500 mesh sieve calcium carbonate, talcum powder and montmorillonite press
Mass ratio 1:1:5 mix.
Preferably, the plant fiber compound of the step b be lignin fibre, cotton fibriia and bamboo fibre in mass ratio
3:5:1 mixes.
Preferably, the natural fungicidal agent of the step e is that capsaicine, xanthoxlin, gingerol, catechin and allicin press matter
Measure ratio 4:1:1:1 mixes.
Preferably, the natural bacteriostatic agent of the step e is cumin powder, fennel powder and star aniseed powder in mass ratio 1:1:1 is mixed
It closes.
Preferably, the processing aid of the step e is ethylene bis stearamide and calcium stearate in mass ratio 1:2 mixing and
At.
The beneficial effects of the invention are as follows：
Perserving materials prepared by the present invention have good fresh-keeping function, and gas permeability and biocidal property are good, good fungicidal properties
With preferable barrier property, the development need of green package was not only adapted to, but also the problem of avoidable packaging waste environmental pollution.
Base resin material in the present invention is that acrylic acid esters co-polymer and polyvinyl acetate copolymer mix in proportion
It after conjunction, is dissolved in polyvinyl alcohol, by the intermolecular interaction of polyvinyl alcohol when the two acts on, resin is enabled to connect with resin
It connects closer.
The addition of inorganic powder in the present invention can make that packaging material permeability is good, air conditioning index is stablized.
Plant fiber compound in the present invention is the proportioning of lignin fibre, cotton fibriia and bamboo fibre, uses day
Right plant fiber, the advantageous effect with environment-friendly degradable, and the intensity of finished product can be improved.
Natural fungicidal agent in the present invention is the proportioning of capsaicine, xanthoxlin, gingerol, catechin and allicin, former
Material is natural, environmentally friendly, harmless, can effectively the elimination of micro-organisms or prevention microorganism germinate, to prevent microorganism from giving birth to
Long breeding, thus there is preferable anti-mildew fresh-keeping effect.
Natural bacteriostatic agent in the present invention be cumin powder, fennel powder and star aniseed powder proportioning, cumin, fennel seeds and illiciumverum
The antipathogenic composition for including in three kinds of biological fruits has：Trans- fennel seeds brain, to allyl fennel seeds ether, estragole, fenchone,
Limonene, cumal, cumic acid etc. are thin to many food-borne pathogens such as staphylococcus aureus, bacillus cereus, monokaryon
Born of the same parents' monocytogenes, Escherichia coli, salmonella typhi, thermophilic salt vibrio parahemolyticus, shigella dysenteriae and corruption
Property the killing inhibition with high-efficiency broad spectrum such as fungi such as aspergillus niger, Candida, be the antibacterial substance of natural green.
Processing aid in the present invention is the proportioning of ethylene bis stearamide and calcium stearate, can play lubricating action, energy
The frictional force of process is reduced, reduces energy consumption, while improving the dispersibility of antipathogenic composition powder.
Specific implementation mode
Embodiment 1
A kind of Efficient antibacterial Perserving materials, include the raw material of following parts by weight：18 parts of base resin material, hydroxy acrylate 13
It is part, 7 parts of glycerine, 12 parts of inorganic powder, plant fiber compound 11 part, 5 parts of natural fungicidal agent, 4 parts of natural bacteriostatic agent, water-soluble
Property 3 parts of 6 parts of chitosan, 7 parts of plant amylum, 8 parts of processing aid and antioxidant.
A kind of preparation method of Efficient antibacterial Perserving materials, including following preparation process：
A, base resin material, hydroxy acrylate are imported in reaction kettle, is warming up to 75 DEG C, is stirred to react 22min, is cooled to
After room temperature, material one is obtained；
B, inorganic powder, plant fiber compound are imported in ball mill, ball milling 1.2h, then imported in glycerine, stirred evenly,
Obtain material two；
C, water soluble chitosan, plant amylum are imported in blender, 0.5h is heated and be stirred to react at 55 DEG C, heat preservation obtains
Viscous fluid；
D, material one, material two and viscous fluid are mixed and is imported in high mixer, at 75 DEG C, with the rotating speed stirring of 280r/min instead
20min is answered, disperse materials are obtained；
E, disperse materials, natural fungicidal agent, natural bacteriostatic agent, processing aid and antioxidant are mixed and are imported in double screw extruder,
It mediates and squeezes out, through fashioning into, you can obtain finished product.
The base resin material of step a is acrylic acid esters co-polymer and polyvinyl acetate copolymer in mass ratio 2:1
It after mixing, is dissolved in polyvinyl alcohol, gained.
The inorganic powder of step b is calcium carbonate, talcum powder and the montmorillonite in mass ratio 1 that fineness is more than 500 mesh sieve:1:5
It mixes.
The plant fiber compound of step b is lignin fibre, cotton fibriia and bamboo fibre in mass ratio 3:5:1 mixing and
At.
The natural fungicidal agent of step e is capsaicine, xanthoxlin, gingerol, catechin and allicin in mass ratio 4:1:1:1
It mixes.
The natural bacteriostatic agent of step e is cumin powder, fennel powder and star aniseed powder in mass ratio 1:1:1 mixes.
The processing aid of step e is ethylene bis stearamide and calcium stearate in mass ratio 1:2 mix.
Embodiment 2
A kind of Efficient antibacterial Perserving materials, include the raw material of following parts by weight：18 parts of base resin material, hydroxy acrylate 9
It is part, 5 parts of glycerine, 10 parts of inorganic powder, 14 parts of plant fiber compound, 8 parts of natural fungicidal agent, 8 parts of natural bacteriostatic agent, water-soluble
Property 6 parts of 7 parts of chitosan, 7 parts of plant amylum, 5 parts of processing aid and antioxidant.
A kind of preparation method of Efficient antibacterial Perserving materials, including following preparation process：
A, base resin material, hydroxy acrylate are imported in reaction kettle, is warming up to 75 DEG C, is stirred to react 24min, is cooled to
After room temperature, material one is obtained；
B, inorganic powder, plant fiber compound are imported in ball mill, ball milling 1.5h, then imported in glycerine, stirred evenly,
Obtain material two；
C, water soluble chitosan, plant amylum are imported in blender, 0.5h is heated and be stirred to react at 55 DEG C, heat preservation obtains
Viscous fluid；
D, material one, material two and viscous fluid are mixed and is imported in high mixer, at 72 DEG C, with the rotating speed stirring of 300r/min instead
20min is answered, disperse materials are obtained；
E, disperse materials, natural fungicidal agent, natural bacteriostatic agent, processing aid and antioxidant are mixed and are imported in double screw extruder,
It mediates and squeezes out, through fashioning into, you can obtain finished product.
The base resin material of step a is acrylic acid esters co-polymer and polyvinyl acetate copolymer in mass ratio 2:1
It after mixing, is dissolved in polyvinyl alcohol, gained.
The inorganic powder of step b is calcium carbonate, talcum powder and the montmorillonite in mass ratio 1 that fineness is more than 500 mesh sieve:1:5
It mixes.
The plant fiber compound of step b is lignin fibre, cotton fibriia and bamboo fibre in mass ratio 3:5:1 mixing and
At.
The natural fungicidal agent of step e is capsaicine, xanthoxlin, gingerol, catechin and allicin in mass ratio 4:1:1:1
It mixes.
The natural bacteriostatic agent of step e is cumin powder, fennel powder and star aniseed powder in mass ratio 1:1:1 mixes.
The processing aid of step e is ethylene bis stearamide and calcium stearate in mass ratio 1:2 mix.
Embodiment 3
A kind of Efficient antibacterial Perserving materials, include the raw material of following parts by weight：17 parts of base resin material, hydroxy acrylate 11
It is part, 6 parts of glycerine, 8 parts of inorganic powder, 15 parts of plant fiber compound, 7 parts of natural fungicidal agent, 7 parts of natural bacteriostatic agent, water-soluble
Property 5 parts of 9 parts of chitosan, 6 parts of plant amylum, 6 parts of processing aid and antioxidant.
A kind of preparation method of Efficient antibacterial Perserving materials, including following preparation process：
A, base resin material, hydroxy acrylate are imported in reaction kettle, is warming up to 75 DEG C, is stirred to react 24min, is cooled to
After room temperature, material one is obtained；
B, inorganic powder, plant fiber compound are imported in ball mill, ball milling 1.2h, then imported in glycerine, stirred evenly,
Obtain material two；
C, water soluble chitosan, plant amylum are imported in blender, 0.7h is heated and be stirred to react at 55 DEG C, heat preservation obtains
Viscous fluid；
D, material one, material two and viscous fluid are mixed and is imported in high mixer, at 75 DEG C, with the rotating speed stirring of 300r/min instead
24min is answered, disperse materials are obtained；
E, disperse materials, natural fungicidal agent, natural bacteriostatic agent, processing aid and antioxidant are mixed and are imported in double screw extruder,
It mediates and squeezes out, through fashioning into, you can obtain finished product.
The base resin material of step a is acrylic acid esters co-polymer and polyvinyl acetate copolymer in mass ratio 2:1
It after mixing, is dissolved in polyvinyl alcohol, gained.
The inorganic powder of step b is calcium carbonate, talcum powder and the montmorillonite in mass ratio 1 that fineness is more than 500 mesh sieve:1:5
It mixes.
The plant fiber compound of step b is lignin fibre, cotton fibriia and bamboo fibre in mass ratio 3:5:1 mixing and
At.
The natural fungicidal agent of step e is capsaicine, xanthoxlin, gingerol, catechin and allicin in mass ratio 4:1:1:1
It mixes.
The natural bacteriostatic agent of step e is cumin powder, fennel powder and star aniseed powder in mass ratio 1:1:1 mixes.
The processing aid of step e is ethylene bis stearamide and calcium stearate in mass ratio 1:2 mix.
Comparative example 1
It is detected comparison using common Perserving materials in the prior art.
Finished product prepared by above example and comparative example is detected, following detection data is obtained：
Table one：
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength（MPa） | 9.5 | 9.2 | 9.6 | 8.2 |
| Biological degradation rate（%） | 75 | 78 | 78 | 65 |
| Gas concentration lwevel（%） | 1.8 | 1.5 | 1.5 | 2.2 |
| Oxygen concentration（%） | 3.8 | 4.1 | 4.2 | 3.4 |
Table two：
| Detection project | Fresh-keeping effect for apple |
| Embodiment 1 | Preservative film inner wall is without dew condensation phenomenon, and metachromatism occurs in the 4th day apple, the 8th day, color burn and slight dehydration, no mildew phenomena. |
| Embodiment 2 | Preservative film inner wall is without dew condensation phenomenon, and metachromatism occurs in the 5th day apple, the 8th day, color burn and slight dehydration, no mildew phenomena. |
| Embodiment 3 | Preservative film inner wall is without dew condensation phenomenon, and metachromatism occurs in the 5th day apple, the 9th day, color burn and slight dehydration, no mildew phenomena. |
| Comparative example 1 | Preservative film inner wall is without dew condensation phenomenon, and metachromatism occurs in the 4th day apple, and the 8th day, color burn was simultaneously dehydrated seriously, large area is occurred and is gone mouldy within the 13rd day. |
By the experimental data of one gained of table, it can be deduced that, the properties of finished product prepared by preparation method of the invention are significantly excellent
Different from common product in the prior art, and the preferred preparation method in the embodiment of the present invention 3, obtain at moral character
It can be the most excellent.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of Efficient antibacterial Perserving materials, which is characterized in that include the raw material of following parts by weight：Base resin material 12-18
Part, is naturally prevented 9-13 parts of hydroxy acrylate, 4-7 parts of glycerine, 8-12 parts of inorganic powder, -16 parts of plant fiber compound 11
Mould dose 5-10 parts, 4-8 parts of natural bacteriostatic agent, 6-10 parts of water soluble chitosan, 3-7 parts of plant amylum, 3-8 parts of processing aid and anti-
3-6 parts of oxygen agent.
2. a kind of Efficient antibacterial Perserving materials according to claim 1, which is characterized in that the Perserving materials include following
The raw material of parts by weight：15-18 parts of base resin material, 9-12 parts of hydroxy acrylate, 5-7 parts of glycerine, inorganic powder 8-10
Part, 14-16 parts of plant fiber compound, 5-8 parts of natural fungicidal agent, 6-8 parts of natural bacteriostatic agent, 7-10 parts of water soluble chitosan,
4-6 parts of 4-7 parts of plant amylum, 5-8 parts of processing aid and antioxidant.
3. a kind of Efficient antibacterial Perserving materials according to claim 1, which is characterized in that the Perserving materials include following
The raw material of parts by weight：17 parts of base resin material, 11 parts of hydroxy acrylate, 6 parts of glycerine, 8 parts of inorganic powder, plant fiber
15 parts of compound, 7 parts of natural fungicidal agent, 7 parts of natural bacteriostatic agent, 9 parts of water soluble chitosan, 6 parts of plant amylum, processing aid 6
5 parts of part and antioxidant.
4. a kind of preparation method of Efficient antibacterial Perserving materials of claim 1-3 any one of them, which is characterized in that including with
Lower preparation process：
A, base resin material, hydroxy acrylate are imported in reaction kettle, are warming up to 75-80 DEG C, are stirred to react 22-24min,
After being cooled to room temperature, material one is obtained；
B, inorganic powder, plant fiber compound are imported in ball mill, ball milling 1.2-1.5h, then imported in glycerine, stirred
Uniformly, material two is obtained；
C, water soluble chitosan, plant amylum are imported in blender, 0.5-0.7h are heated and be stirred to react at 55-58 DEG C,
Heat preservation obtains viscous fluid；
D, material one, material two and viscous fluid are mixed and is imported in high mixer, turned at 72-75 DEG C, with 280-300r/min
Speed is stirred to react 20-24min, obtains disperse materials；
E, disperse materials, natural fungicidal agent, natural bacteriostatic agent, processing aid and antioxidant are mixed and are imported in double screw extruder,
It mediates and squeezes out, through fashioning into, you can obtain finished product.
5. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step a
Base resin material be acrylic acid esters co-polymer and polyvinyl acetate copolymer in mass ratio 2:After 1 mixing, it is dissolved in
In polyvinyl alcohol, gained.
6. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step b
Inorganic powder be fineness be more than 500 mesh sieve calcium carbonate, talcum powder and montmorillonite in mass ratio 1:1:5 mix.
7. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step b
Plant fiber compound be lignin fibre, cotton fibriia and bamboo fibre in mass ratio 3:5:1 mixes.
8. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step e
Natural fungicidal agent be capsaicine, xanthoxlin, gingerol, catechin and allicin in mass ratio 4:1:1:1 mixes.
9. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step e
Natural bacteriostatic agent be cumin powder, fennel powder and star aniseed powder in mass ratio 1:1:1 mixes.
10. a kind of preparation method of Efficient antibacterial Perserving materials according to claim 4, which is characterized in that the step e
Processing aid be ethylene bis stearamide and calcium stearate in mass ratio 1:2 mix.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128769A (en) * | 2019-04-01 | 2019-08-16 | 武汉工程大学 | A kind of dual antibacterial film of allicin/chitosan and the preparation method and application thereof |
| CN111518333A (en) * | 2019-02-03 | 2020-08-11 | 南京聚隆科技股份有限公司 | Mildew-proof plant fiber reinforced micro-foaming material for vehicle and preparation method thereof |
| CN112006094A (en) * | 2020-09-14 | 2020-12-01 | 北京鉴真保鲜科技有限公司 | Fruit and vegetable bacteriostatic fresh-keeping material and preparation method thereof |
| CN113024942A (en) * | 2019-12-25 | 2021-06-25 | 南通汇统塑胶机械有限公司 | Preservative film with antibacterial and preservative functions and preparation method thereof |
| CN115612354A (en) * | 2022-10-24 | 2023-01-17 | 聊城鸿元达降解材料有限公司 | Nano-scale biodegradable fruit and vegetable liquid packaging coating and production method thereof |
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| CN111518333A (en) * | 2019-02-03 | 2020-08-11 | 南京聚隆科技股份有限公司 | Mildew-proof plant fiber reinforced micro-foaming material for vehicle and preparation method thereof |
| CN110128769A (en) * | 2019-04-01 | 2019-08-16 | 武汉工程大学 | A kind of dual antibacterial film of allicin/chitosan and the preparation method and application thereof |
| CN113024942A (en) * | 2019-12-25 | 2021-06-25 | 南通汇统塑胶机械有限公司 | Preservative film with antibacterial and preservative functions and preparation method thereof |
| CN112006094A (en) * | 2020-09-14 | 2020-12-01 | 北京鉴真保鲜科技有限公司 | Fruit and vegetable bacteriostatic fresh-keeping material and preparation method thereof |
| CN115612354A (en) * | 2022-10-24 | 2023-01-17 | 聊城鸿元达降解材料有限公司 | Nano-scale biodegradable fruit and vegetable liquid packaging coating and production method thereof |
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Application publication date: 20181113 |