CN106279899A - A kind of heat insulation antibacterial food packaging material and preparation method thereof - Google Patents

A kind of heat insulation antibacterial food packaging material and preparation method thereof Download PDF

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Publication number
CN106279899A
CN106279899A CN201610682072.8A CN201610682072A CN106279899A CN 106279899 A CN106279899 A CN 106279899A CN 201610682072 A CN201610682072 A CN 201610682072A CN 106279899 A CN106279899 A CN 106279899A
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China
Prior art keywords
packaging material
organobentonite
food packaging
antibacterial
heat insulation
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Pending
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CN201610682072.8A
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Chinese (zh)
Inventor
刘全新
姚利刚
姚静
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ANHUI YINGMEI COLOR PRINTING & PACKAGING Co Ltd
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ANHUI YINGMEI COLOR PRINTING & PACKAGING Co Ltd
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Priority to CN201610682072.8A priority Critical patent/CN106279899A/en
Publication of CN106279899A publication Critical patent/CN106279899A/en
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • 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
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
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Abstract

The invention discloses a kind of heat insulation antibacterial food packaging material, it is prepared by the raw materials in: Low Density Polyethylene 100, nano zine oxide 3.5 3.7, Basil Essential 6.5 6.7, glycerol 24, calcium alginate 0.2 0.4, di-2-ethylhexyl maleate 34, organobentonite 12, bamboo powder 68, polyacrylonitrile fibre 79, vinyl three (β methoxy ethoxy) silane 7.5 7.7, suitable quantity of water, with Low Density Polyethylene as base material, using the nano zine oxide after silane coupler activation processing as photocatalysis antibacterial agent, and compound Basil Essential, even if still having stronger antibiotic property under conditions of unglazed, broad-spectrum antibacterial property is high；Adding modified organobentonite as filler, absorption heat-proof quality strengthens simultaneously, and the antibacterial food packaging material prepared can effectively suppress staphylococcus aureus, the growing of escherichia coli rate, and oozes out without composition at 150 DEG C, uses safety.

Description

A kind of heat insulation antibacterial food packaging material and preparation method thereof
Technical field
The present invention relates to Food Packaging technology field, particularly relate to a kind of heat insulation antibacterial food packaging material 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 heat insulation antibacterial food packaging material and Manufacture method.
The present invention is achieved by the following technical solutions:
A kind of heat insulation antibacterial food packaging material, are prepared by the raw materials in: Low Density Polyethylene 100, nano oxidized Zinc 3.5-3.7, Basil Essential 6.5-6.7, glycerol 2-4, calcium alginate 0.2-0.4, di-2-ethylhexyl maleate 3-4, organobentonite 1-2, bamboo powder 6-8, polyacrylonitrile fibre 7-9, vinyl three ('beta '-methoxy ethyoxyl) silane 7.5-7.7, suitable quantity of water.
The manufacture method of described a kind of heat insulation antibacterial food packaging material, comprises the following steps:
(1) nano zine oxide, calcium alginate, Basil Essential stirring and evenly mixing are put in mixer, turning with 10000r/min Speed high-speed stirred obtains modified nano zinc oxide in 30 seconds；
(2) by organobentonite, bamboo powder, di-2-ethylhexyl maleate stirring and evenly mixing, activation processing 20-30 minute at 570-620 DEG C, Be cooled to room temperature addition polyacrylonitrile fibre, vinyl three ('beta '-methoxy ethyoxyl) silane ultrasonic disperse must change for 40-50 minute Property organobentonite；
(3) by step (1), (2) reaction mass stirring and evenly mixing, add Low Density Polyethylene ultrasonic grinding 10-15 minute, put into double Melt blending, pelletize in 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 Basil Essential, even if still having stronger antibiotic property under conditions of unglazed, broad-spectrum antibacterial property is high；Add simultaneously and change Organobentonite after property is as filler, and absorption heat-proof quality strengthens, and by deoxygenation, dehumidifies, changes package except modes such as ethylene The pack environment of material internal, prevents the growth of microorganism, degradable low cost, and antibacterial effect is notable, utilizes the present invention to prepare Antibacterial food packaging material can effectively suppress staphylococcus aureus, the growing of escherichia coli rate, and without composition at 150 DEG C Ooze out, use safety.
Detailed description of the invention
A kind of heat insulation antibacterial food packaging material, are prepared by the raw materials in: Low Density Polyethylene 100, nanometer Zinc oxide 3.5, Basil Essential 6.5, glycerol 2, calcium alginate 0.2, di-2-ethylhexyl maleate 3, organobentonite 1, bamboo powder 6, poly-third Alkene nitrile fiber 7, vinyl three ('beta '-methoxy ethyoxyl) silane 7.5, suitable quantity of water.
The manufacture method of described a kind of heat insulation antibacterial food packaging material, comprises the following steps:
(1) nano zine oxide, calcium alginate, Basil Essential stirring and evenly mixing are put in mixer, turning with 10000r/min Speed high-speed stirred obtains modified nano zinc oxide in 30 seconds；
(2) by organobentonite, bamboo powder, di-2-ethylhexyl maleate stirring and evenly mixing, activation processing 20-30 minute at 570-620 DEG C, Be cooled to room temperature addition polyacrylonitrile fibre, vinyl three ('beta '-methoxy ethyoxyl) silane ultrasonic disperse must change for 40-50 minute Property organobentonite；
(3) by step (1), (2) reaction mass stirring and evenly mixing, add Low Density Polyethylene ultrasonic grinding 10-15 minute, put into double Melt blending, pelletize in 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 99.73%, 37 DEG C, unglazed according under conditions of minimum 94.93%.

Claims (2)

1. heat insulation antibacterial food packaging material, it is characterised in that be prepared by the raw materials in: Low Density Polyethylene 100, nano zine oxide 3.5-3.7, Basil Essential 6.5-6.7, glycerol 2-4, calcium alginate 0.2-0.4, di-2-ethylhexyl maleate 3- 4, organobentonite 1-2, bamboo powder 6-8, polyacrylonitrile fibre 7-9, vinyl three ('beta '-methoxy ethyoxyl) silane 7.5-7.7, Suitable quantity of water.
The manufacture method of a kind of heat insulation antibacterial food packaging material the most according to claim 1, it is characterised in that include with Lower step:
(1) nano zine oxide, calcium alginate, Basil Essential stirring and evenly mixing are put in mixer, turning with 10000r/min Speed high-speed stirred obtains modified nano zinc oxide in 30 seconds；
(2) by organobentonite, bamboo powder, di-2-ethylhexyl maleate stirring and evenly mixing, activation processing 20-30 minute at 570-620 DEG C, Be cooled to room temperature addition polyacrylonitrile fibre, vinyl three ('beta '-methoxy ethyoxyl) silane ultrasonic disperse must change for 40-50 minute Property organobentonite；
(3) by step (1), (2) reaction mass stirring and evenly mixing, add Low Density Polyethylene ultrasonic grinding 10-15 minute, put into double Melt blending, pelletize in 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.
CN201610682072.8A 2016-08-18 2016-08-18 A kind of heat insulation antibacterial food packaging material and preparation method thereof Pending CN106279899A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108003412A (en) * 2017-12-22 2018-05-08 桐城市桃花制刷有限公司 A kind of plastic film for wrapping containing di-2-ethylhexyl maleate

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108003412A (en) * 2017-12-22 2018-05-08 桐城市桃花制刷有限公司 A kind of plastic film for wrapping containing di-2-ethylhexyl maleate

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