CN107099081A - A kind of colored packaging film of food - Google Patents
A kind of colored packaging film of food Download PDFInfo
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- CN107099081A CN107099081A CN201710265745.4A CN201710265745A CN107099081A CN 107099081 A CN107099081 A CN 107099081A CN 201710265745 A CN201710265745 A CN 201710265745A CN 107099081 A CN107099081 A CN 107099081A
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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
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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
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—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
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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
- 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
- C08L2205/02—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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/064—VLDPE
-
- 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)
- Materials Engineering (AREA)
- Wrappers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of colored packaging film of food, it is related to packaging for foodstuff technical field of membrane, its composition includes:60 100 parts of low density polyethylene (LDPE), 50 120 parts of ultra-low density polyethylene, 50 150 parts of carboxymethyl chitosan, 15 30 parts of palm oil, 15 30 parts of rice bran wax, 2 10 parts of stearic acid sodium lactate, 2 10 parts of lauric monoglyceride, 5 60 parts of food coloring, 2 10 parts of nano zine oxide, 5 20 parts of polyethylene glycol, 2 10 parts of bentonite, 2 10 parts of gelatin, 2 20 parts of ethanol, 10 100 parts of deionized water.Its preparation method is simply, conveniently;The food package film has antibacterial action, effectively prevents foodstuff rotten and microbiological contamination;Different color packaging film can be produced simultaneously, available for various packagings for foodstuff, beautiful appearance, and packaging film safety non-toxic are packed, without worrying food additives problem;Packaging film flexible, is difficult tear breakage, with good market application foreground.
Description
Technical field:
The present invention relates to food package film preparing technical field, and in particular to a kind of colored packaging film of food and its preparation side
Method.
Background technology:
Food product packing film is, for being wrapped in food surface, mainly to decompose microbial bacterial and extraneous contamination to isolate
The entrance of thing, prevents and extends the high polymer material of food spoilage.Antibacterial film packaging is most beneficial, its energy for food
Constantly suppress the growth of microorganism by antiseptic, it is ensured that the safety of food, extend the shelf life of food.While fine work bag
Dress also acts as the effect of decoration aesthetic appeal, and attractive in appearance be packaged on the basis of food palatant more attracts consumer, not only can be with
Demand of the people to food palatant is met, the life of people can also be beautified, allows consumer to enjoy higher quality of the life.With this
Promote the sale of food, more economic interests are brought to businessman.Especially for infant foods, cake food etc..
The content of the invention:
The technical problems to be solved by the invention are that providing one kind has high-efficiency pollution-proof dye, and colored and nontoxic, raw material is easy
, the colored packaging film of the simple food of preparation method.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of colored packaging film of food, includes the raw material of following number:
60-100 parts of low density polyethylene (LDPE), 50-120 parts of ultra-low density polyethylene, 50-150 parts of carboxymethyl chitosan, palm
Oily 15-30 parts, 15-30 parts of rice bran wax, 2-10 parts of stearic acid sodium lactate, 2-10 parts of lauric monoglyceride, food coloring 5-60
Part, 2-10 parts of nano zine oxide, 5-20 parts of polyethylene glycol, 2-10 parts of bentonite, 2-10 parts of gelatin, 2-20 parts of ethanol, deionization
10-100 parts of water.
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8-24h is swelled it, rear 200-1000rpm/
Min is stirred, and obtains being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation
Cinnamic acid monoglyceride, bentonite, ethanol be warming up to 30-50 DEG C stirring 15-60min, add acid or alkaloid substance adjust pH value to
6-7, then 100-500rpm/min 50-60 DEG C insulated and stirred 20-40min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin,
Nano zine oxide, polyethylene glycol, food coloring and remaining deionized water, 1000-3000rpm/min stir, are sufficiently stirred for
It is well mixed, film liquid is obtained into;
(4) acid or alkali thing will be added into film liquid 2000-5000rpm/min homogeneous scattered 10-20min again before film forming
Matter adjusts pH value to 5-7, then 1000-5000rpm/min 20-40 DEG C insulated and stirred 20-40min, rear to stand room temperature cooling, after
It will be mixed into after film liquid adds banbury, banbury 10-30min and be transferred in extruder, it is thin in melting extrusion at 150-200 DEG C
Film, most afterwards through naturally cooling to room temperature.
It is preferred that, the natural food colour:It is natural food colour, such as shellac color, carthamin yellow, beet red, peppery
Green pepper red pigment, red yeast rice, turmeric, bata-carotene, copper chlorophyllin sodium salt, dark reddish brown etc..
It is preferred that, the acid or alkaline matter:Acid substance is dilute hydrochloric acid solution, acetum, carbon acid solution
In one or more;Alkaline matter is one kind in sodium carbonate, sodium acid carbonate or sodium hydroxide
Or more than one.
The beneficial effects of the invention are as follows:Food package film prepared by the present invention has antibacterial action, effectively prevents food from becoming
Matter and microbiological contamination;Packaging film has different color simultaneously, available for various packagings for foodstuff, and packaging beautiful appearance can promote commodity pin
Sell, and packaging film safety non-toxic, without worrying food additives problem;Packaging film flexible, is difficult tear damaged.
Embodiment:
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1:
80 parts of low density polyethylene (LDPE), 60 parts of ultra-low density polyethylene, 50 parts of carboxymethyl chitosan, 25 parts of palm oil, rice bran
15 parts of wax, 5 parts of stearic acid sodium lactate, 5 parts of lauric monoglyceride, 20 parts of carthamin yellow, 6 parts of nano zine oxide, poly- second two
6 parts of alcohol, 8 parts of bentonite, 6 parts of gelatin, 10 parts of ethanol, 30 parts of deionized water.
Packaging film preparation is carried out according to above-mentioned formula, comprised the following steps that:
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8h is swelled it, rear 400rpm/min stirrings are obtained
To being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation
Cinnamic acid monoglyceride, bentonite, ethanol are warming up to 30 DEG C of stirring 30min, add acid or alkaloid substance adjusts pH value to 7, then
50 DEG C of insulated and stirred 40min of 500rpm/min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin,
Nano zine oxide, polyethylene glycol, carthamin yellow and remaining deionized water, 1000rpm/min stir, are sufficiently stirred for making it
It is well mixed, obtain into film liquid;
(4) acid or alkaloid substance regulation PH will be added into film liquid 2000rpm/min homogeneous scattered 10min again before film forming
Value is rear to stand room temperature cooling to 6, then 20 DEG C of insulated and stirred 20min of 1000rpm/min, after will be mixed into film liquid and add banburying
It is transferred to after machine, banbury 20min in extruder, in melt-extruded film at 150 DEG C, most afterwards through naturally cooling to room temperature.
It is preferred that, the acidic materials are dilute hydrochloric acid solution and acetum.
It is preferred that, the alkaline matter is sodium carbonate liquor and sodium bicarbonate solution.
Embodiment 2:
80 parts of low density polyethylene (LDPE), 80 parts of ultra-low density polyethylene, 60 parts of carboxymethyl chitosan, 25 parts of palm oil, rice bran
20 parts of wax, 6 parts of stearic acid sodium lactate, 6 parts of lauric monoglyceride, 20 parts of capsorubin, 8 parts of nano zine oxide, polyethylene glycol 6
Part, 8 parts of bentonite, 8 parts of gelatin, 10 parts of ethanol, 40 parts of deionized water.
Packaging film preparation is carried out according to above-mentioned formula, comprised the following steps that:
It is preferred that, its preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8h is swelled it, rear 1000rpm/min stirrings,
Obtain being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, the moon are added under stirring into the carboxymethyl chitosan solution of preparation
Cinnamic acid monoglyceride, bentonite, ethanol are warming up to 30 DEG C of stirring 30min, add acid or alkaloid substance adjusts pH value to 7, then
50 DEG C of insulated and stirred 40min of 500rpm/min, it is rear to stand room temperature cooling, obtain mixed solution;
(3) added into high-speed mixer step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin,
Nano zine oxide, polyethylene glycol, capsorubin and remaining deionized water, 1000rpm/min stir, and are sufficiently stirred for mixing it
Close uniform, obtain into film liquid;
(4) acid or alkaloid substance regulation PH will be added into film liquid 2000rpm/min homogeneous scattered 20min again before film forming
Value is rear to stand room temperature cooling to 7, then 25 DEG C of insulated and stirred 25min of 1000rpm/min, after will be mixed into film liquid and add banburying
It is transferred to after machine, banbury 20min in extruder, in melt-extruded film at 200 DEG C, most afterwards through naturally cooling to room temperature.
It is preferred that, the acidic materials are dilute hydrochloric acid solution and acetum;
It is preferred that, the alkaline matter is sodium carbonate liquor and sodium bicarbonate solution;
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of colored packaging film of food, it is characterised in that:Include the raw material of following number:
60-100 parts of low density polyethylene (LDPE), 50-120 parts of ultra-low density polyethylene, 50-150 parts of carboxymethyl chitosan, palm oil
15-30 parts, 15-30 parts of rice bran wax, 2-10 parts of stearic acid sodium lactate, 2-10 parts of lauric monoglyceride, 5-60 parts of food coloring,
2-10 parts of nano zine oxide, 5-20 parts of polyethylene glycol, 2-10 parts of bentonite, 2-10 parts of gelatin, 2-20 parts of ethanol, deionized water
10-100 parts.
2. the colored packaging film of food according to claim 1, it is characterised in that:Preparation method is as follows:
(1) carboxymethyl chitosan is added in 5 times of water, being stored at room temperature 8-24h is swelled it, rear 200-1000rpm/min is stirred
Mix, obtain being uniformly dissolved carboxymethyl chitosan solution;
(2) palm oil, rice bran wax, stearic acid sodium lactate, laurate are added under stirring into the carboxymethyl chitosan solution of preparation
Monoglyceride, bentonite, ethanol are warming up to 30-50 DEG C of stirring 15-60min, add acid or alkaloid substance adjusts pH value to 6-7,
100-500rpm/min 50-60 DEG C insulated and stirreds 20-40min, rear to stand room temperature cooling again, obtains mixed solution;
(3) step 2 mixed solution, low density polyethylene (LDPE), ultra-low density polyethylene, gelatin, nanometer are added into high-speed mixer
Zinc oxide, polyethylene glycol, food coloring and remaining deionized water, 1000-3000rpm/min stir, are sufficiently stirred for making it
It is well mixed, obtain into film liquid;
(4) it will be added acid into film liquid 2000-5000rpm/min homogeneous scattered 10-20min again or alkaloid substance adjusted before film forming
PH value is saved to 5-7, then 1000-5000rpm/min 20-40 DEG C insulated and stirred 20-40min, it is rear to stand room temperature cooling, after will be mixed
It is even to add banbury into film liquid, it is transferred in extruder after banbury 10-30min, in melt-extruded film at 150-200 DEG C, most
By naturally cooling to room temperature.
3. the colored packaging film of food according to claim 2, it is characterised in that:The pigment is natural food colour.
4. the colored packaging film of food according to claim 3, it is characterised in that:The acid or alkaline matter:Acid substance is
One or more in dilute hydrochloric acid solution, acetum, carbon acid solution;Alkaline matter is sodium carbonate, sodium acid carbonate or hydrogen
One or more in sodium oxide molybdena.
Priority Applications (1)
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CN201710265745.4A CN107099081A (en) | 2017-04-21 | 2017-04-21 | A kind of colored packaging film of food |
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CN201710265745.4A CN107099081A (en) | 2017-04-21 | 2017-04-21 | A kind of colored packaging film of food |
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CN107099081A true CN107099081A (en) | 2017-08-29 |
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CN201710265745.4A Withdrawn CN107099081A (en) | 2017-04-21 | 2017-04-21 | A kind of colored packaging film of food |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181075A (en) * | 2018-09-18 | 2019-01-11 | 福建凯达集团有限公司 | Food package film and preparation method thereof, packaging pouch for microwave oven made from it |
CN113183568A (en) * | 2021-04-27 | 2021-07-30 | 无锡君瑞新材料科技有限公司 | Adhesive-free high-viscosity door plate protective film and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105885165A (en) * | 2016-04-29 | 2016-08-24 | 安徽巢湖南方膜业有限责任公司 | Environmentally-friendly shopping paper bag water-proof outer film |
-
2017
- 2017-04-21 CN CN201710265745.4A patent/CN107099081A/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105885165A (en) * | 2016-04-29 | 2016-08-24 | 安徽巢湖南方膜业有限责任公司 | Environmentally-friendly shopping paper bag water-proof outer film |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109181075A (en) * | 2018-09-18 | 2019-01-11 | 福建凯达集团有限公司 | Food package film and preparation method thereof, packaging pouch for microwave oven made from it |
CN113183568A (en) * | 2021-04-27 | 2021-07-30 | 无锡君瑞新材料科技有限公司 | Adhesive-free high-viscosity door plate protective film and preparation method thereof |
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