CN106279898A - A kind of wear-resistant antibacterial packaging material for food and preparation method thereof - Google Patents
A kind of wear-resistant antibacterial packaging material for food and preparation method thereof Download PDFInfo
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- CN106279898A CN106279898A CN201610681843.1A CN201610681843A CN106279898A CN 106279898 A CN106279898 A CN 106279898A CN 201610681843 A CN201610681843 A CN 201610681843A CN 106279898 A CN106279898 A CN 106279898A
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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
- C08L23/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a kind of wear-resistant antibacterial packaging material for food, it is prepared by the raw materials in: Low Density Polyethylene 100, nano zine oxide 2.2 2.6, Fructus Foeniculi quintessence oil 5.3 6.1, benzoyl oxide 12, high wear-resistant carbon black 23, Oryza glutinosa glue 35, sodium humate 1.7 2.1, aramid fiber 79, γ-chloropropyl triethoxysilane 5.8 6.2, sodium bicarbonate 0.2 0.4, suitable quantity of water, the present invention is with Low Density Polyethylene as base material, using the nano zine oxide after silane coupler activation processing as photocatalysis antibacterial agent, and compound Fructus Foeniculi quintessence oil, even if still having stronger antibiotic property under conditions of unglazed, broad-spectrum antibacterial property is high;Adding modified high wear-resistant carbon black as filler, adsorptivity is strong, and the antibacterial food packaging material utilizing the present invention to prepare are long for wear-resisting service life simultaneously, make food at not adding preservative agent, without having longer shelf life in the case of cold preservation.
Description
Technical field
The present invention relates to Food Packaging technology field, particularly relate to a kind of wear-resistant antibacterial packaging material for food and making side thereof
Method.
Background technology
Microorganism volume is small, of a great variety, breeding rapidly and adapts to the ability of environment by force, the widest in distributed in nature
General.Major part food nutritious, moisture is high, it is easy to caused putrid and deteriorated by the pollution of microorganism, significantly
Shorten the shelf-life of food.The microorganism how preventing food is polluted, and the shelf-life of prolongation food is always the whole world and is correlated with
Scientist's research and the problem paid close attention to.Along with the development of science and technology, utilize packaging material for food prepared by antimicrobial technology
The most more can become a kind of practical and reliable antibacterial scheme.
In the last few years, along with going deep into and the expansion of Application of micron of nanotechnology research, application nano material realized
Antibacterial functions has become current current research focus." nano-ZnO/LDPE antibacterial food packaging material are developed " literary composition is with low close
The strong antibacterial action Nano-class zinc oxide that has of activation processing, as the base material of packaging for foodstuff, is passed through melting blending by degree polyethylene
Method is added in base material, then through single screw extrusion machine and inflation film manufacturing machine, the pellet of gained is blow molded into thin film, i.e. prepares and provides
Having the packaging material of antibacterial functions, result of the test shows: the packaging material prepared can not only extend the shelf-life of food, improves
The safety of food, and the antibacterial that can be effectively prevented between person to person, people and thing, people and food, thing and food is intersected
Infect, give the new implication of packaging for foodstuff and function.
But nano zine oxide Antibacterial Mechanism is photocatalysis antibacterial in literary composition, under there is no light catalysis, effect of food preservation
Difference, shelf life is short, and condition is harsh and broad-spectrum antibacterial property is narrow, needs a kind of nontoxic, durable antibacterial effect of interpolation badly and urges without light
The antibacterial compatibility therewith changed;Only have obstruct and defencive function with packaging material for food in eight-legged essay, structure is single, along with food
The importance of packaging material safety constantly rises, and the requirement of packaging material for food is continuously increased by market, it is desirable to can be fresh
Extend the shelf life with the food of high-quality, especially the demand to Active Packaging Materials because it can pass through deoxygenation, antibacterial,
Dehumidifying, the pack environment of material internal of changing package except modes such as ethylene, release ethanol, prevent the growth of microorganism, Jin Erti
The shelf-life of high food, thus be necessary prior art is modified.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of wear-resistant antibacterial packaging material for food and
Manufacture method.
The present invention is achieved by the following technical solutions:
A kind of wear-resistant antibacterial packaging material for food, is prepared by the raw materials in: Low Density Polyethylene 100, nano oxidized
Zinc 2.2-2.6, Fructus Foeniculi quintessence oil 5.3-6.1, benzoyl oxide 1-2, high wear-resistant carbon black 2-3, Oryza glutinosa glue 3-5, sodium humate 1.7-
2.1, aramid fiber 7-9, γ-chloropropyl triethoxysilane 5.8-6.2, sodium bicarbonate 0.2-0.4, suitable quantity of water.
The manufacture method of described a kind of wear-resistant antibacterial packaging material for food, comprises the following steps:
(1) sodium bicarbonate adds suitable quantity of water stirring dissolve to whole, be warming up to 80-90 DEG C, keep constant temperature to add nano oxidized
Zinc, high-speed stirred back flow reaction 1-2 hour, filtering and washing is to neutrality and dries, and adds Fructus Foeniculi quintessence oil and puts in mixer,
Within 30 seconds, modified nano zinc oxide is obtained with the rotating speed high-speed stirred of 10000r/min;
(2) high wear-resistant carbon black is ground uniform 120-140 mesh sieve of crossing, activation processing 20-30 minute at 530-570 DEG C, cooling
Modified high abrasion is obtained to room temperature addition aramid fiber, Oryza glutinosa glue, γ-chloropropyl triethoxysilane ultrasonic disperse 40-50 minute
White carbon black;
(3) by step (1), (2) reaction mass stirring and evenly mixing, add benzoyl oxide ultrasonic grinding 10-15 minute, add low-density
Polyethylene and the mixing of other residual componentss, put into melt blending, pelletize in double screw extruder, obtain packaging pellet;
(4) the packaging pellet blowing obtained in step (3) is made the thin film of thickness about 70-90 μm, discharging.
The invention have the advantage that the present invention with Low Density Polyethylene as base material, by receiving after silane coupler activation processing
Rice zinc oxide, as photocatalysis antibacterial agent, makes the organic principle such as antibacterial, moisture be decomposed, thus kills or bacteria growing inhibiting,
And compound Fructus Foeniculi quintessence oil, even if still having stronger antibiotic property under conditions of unglazed, broad-spectrum antibacterial property is high;Add simultaneously
Modified high wear-resistant carbon black is as filler, and adsorptivity is strong, by deoxygenation, dehumidifies, changes package in material except modes such as ethylene
The pack environment in portion, prevents the growth of microorganism, degradable low cost, and antibacterial effect is notable, and utilize that the present invention prepares is antibacterial
Packaging material for food is long for wear-resisting service life, make food at not adding preservative agent, without having longer shelf in the case of cold preservation
Life-span.
Detailed description of the invention
A kind of wear-resistant antibacterial packaging material for food, is prepared by the raw materials in: Low Density Polyethylene 100, nanometer
Zinc oxide 2.2, Fructus Foeniculi quintessence oil 5.3, benzoyl oxide 1, high wear-resistant carbon black 2, Oryza glutinosa glue 3, sodium humate 1.7, aramid fiber 7,
γ-chloropropyl triethoxysilane 5.8, sodium bicarbonate 0.2, suitable quantity of water.
The manufacture method of described a kind of wear-resistant antibacterial packaging material for food, comprises the following steps:
(1) sodium bicarbonate adds suitable quantity of water stirring dissolve to whole, be warming up to 80-90 DEG C, keep constant temperature to add nano oxidized
Zinc, high-speed stirred back flow reaction 1-2 hour, filtering and washing is to neutrality and dries, and adds Fructus Foeniculi quintessence oil and puts in mixer,
Within 30 seconds, modified nano zinc oxide is obtained with the rotating speed high-speed stirred of 10000r/min;
(2) high wear-resistant carbon black is ground uniform 120-140 mesh sieve of crossing, activation processing 20-30 minute at 530-570 DEG C, cooling
Modified high abrasion is obtained to room temperature addition aramid fiber, Oryza glutinosa glue, γ-chloropropyl triethoxysilane ultrasonic disperse 40-50 minute
White carbon black;
(3) by step (1), (2) reaction mass stirring and evenly mixing, add benzoyl oxide ultrasonic grinding 10-15 minute, add low-density
Polyethylene and the mixing of other residual componentss, put into melt blending, pelletize in double screw extruder, obtain packaging pellet;
(4) the packaging pellet blowing obtained in step (3) is made the thin film of thickness about 70-90 μm, discharging.
Utilizing antibacterial food packaging material smooth in appearance that the present invention prepares, transparent, material color tends to constant, close to
The color of blank low density polyethylene films and outward appearance, to escherichia coli, bacillus subtilis, staphylococcus aureus, mouse typhus
The antibiotic rate of contaminated bacteria common in Salmonella, Listeria monocytogenes, 6 kinds of food of Pseudomonas aeruginosa is in room temperature
And have under conditions of natural light irradiation up to 99.85%, 37 DEG C, unglazed according under conditions of minimum 96.05%.
Claims (2)
1. a wear-resistant antibacterial packaging material for food, it is characterised in that be prepared by the raw materials in: Low Density Polyethylene
100, nano zine oxide 2.2-2.6, Fructus Foeniculi quintessence oil 5.3-6.1, benzoyl oxide 1-2, high wear-resistant carbon black 2-3, Oryza glutinosa glue 3-5,
Sodium humate 1.7-2.1, aramid fiber 7-9, γ-chloropropyl triethoxysilane 5.8-6.2, sodium bicarbonate 0.2-0.4, appropriate
Water.
The manufacture method of a kind of wear-resistant antibacterial packaging material for food the most according to claim 1, it is characterised in that include with
Lower step:
(1) sodium bicarbonate adds suitable quantity of water stirring dissolve to whole, be warming up to 80-90 DEG C, keep constant temperature to add nano oxidized
Zinc, high-speed stirred back flow reaction 1-2 hour, filtering and washing is to neutrality and dries, and adds Fructus Foeniculi quintessence oil and puts in mixer,
Within 30 seconds, modified nano zinc oxide is obtained with the rotating speed high-speed stirred of 10000r/min;
(2) high wear-resistant carbon black is ground uniform 120-140 mesh sieve of crossing, activation processing 20-30 minute at 530-570 DEG C, cooling
Modified high abrasion is obtained to room temperature addition aramid fiber, Oryza glutinosa glue, γ-chloropropyl triethoxysilane ultrasonic disperse 40-50 minute
White carbon black;
(3) by step (1), (2) reaction mass stirring and evenly mixing, add benzoyl oxide ultrasonic grinding 10-15 minute, add low-density
Polyethylene and the mixing of other residual componentss, put into melt blending, pelletize in double screw extruder, obtain packaging pellet;
(4) the packaging pellet blowing obtained in step (3) is made the thin film of thickness about 70-90 μm, discharging.
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CN201610681843.1A CN106279898A (en) | 2016-08-18 | 2016-08-18 | A kind of wear-resistant antibacterial packaging material for food and preparation method thereof |
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CN201610681843.1A CN106279898A (en) | 2016-08-18 | 2016-08-18 | A kind of wear-resistant antibacterial packaging material for food and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107513287A (en) * | 2017-08-23 | 2017-12-26 | 宁波华丰包装有限公司 | Antibacterial food freshness protection package |
CN109370015A (en) * | 2018-10-29 | 2019-02-22 | 江苏中大包装材料有限公司 | A kind of flexibility heat shrink films and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104387655A (en) * | 2014-11-24 | 2015-03-04 | 苏州市贝克生物科技有限公司 | Medical nano-zinc oxide antibacterial PE and preparation method thereof |
CN105670092A (en) * | 2016-04-24 | 2016-06-15 | 张崇英 | LDPE (low-density polyethylene) antibacterial plastic and preparation method therefor |
-
2016
- 2016-08-18 CN CN201610681843.1A patent/CN106279898A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104387655A (en) * | 2014-11-24 | 2015-03-04 | 苏州市贝克生物科技有限公司 | Medical nano-zinc oxide antibacterial PE and preparation method thereof |
CN105670092A (en) * | 2016-04-24 | 2016-06-15 | 张崇英 | LDPE (low-density polyethylene) antibacterial plastic and preparation method therefor |
Non-Patent Citations (1)
Title |
---|
高艳玲 等: "纳米ZnO/LDPE抗菌食品包装材料研制", 《食品科学》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107513287A (en) * | 2017-08-23 | 2017-12-26 | 宁波华丰包装有限公司 | Antibacterial food freshness protection package |
CN109370015A (en) * | 2018-10-29 | 2019-02-22 | 江苏中大包装材料有限公司 | A kind of flexibility heat shrink films and preparation method thereof |
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Application publication date: 20170104 |