CN106519619A - Food packaging film and preparation method thereof - Google Patents
Food packaging film and preparation method thereof Download PDFInfo
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- CN106519619A CN106519619A CN201611049606.XA CN201611049606A CN106519619A CN 106519619 A CN106519619 A CN 106519619A CN 201611049606 A CN201611049606 A CN 201611049606A CN 106519619 A CN106519619 A CN 106519619A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- 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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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 relates to a food packaging film and a preparation method thereof. The food packaging film is composed of, by weight, 45-52 parts of polylactic acid, 25-35 parts of polyhydroxyalkanoate, 19-26 parts of starch, 20-26 parts of chitosan, 0.5-2 parts of food coloring, 1-4 parts of nanometer bentonite, 3-7 parts of filler, 0.5-3 parts of epoxidized soybean oil, 3-7 parts of calcium citrate, 0.5-2 parts of stearic acid and 0.5-2 parts of beewax. The food packaging film is prepared through blending and compounding of base materials including polylactic acid which is a degradable high molecular material, polyhydroxyalkanoate and chitosan, is free of toxicity and condamination, safe and sanitary, and has excellent barrier performance and antimicrobial effect. Through addition of the nanometer bentonite and the filler, the mechanical performance of the food packaging film is improved. The food packaging film and the preparation method can solve the increasingly serious problem of white pollution, relieve pressure to the environment, and meet the requirement of construction of the resource-efficient and environment-friendly society.
Description
Technical field
The invention belongs to plastic sheeting technical field, and in particular to a kind of food product packing film and preparation method thereof.
Background technology
Plastics are a kind of good macromolecular materials of plasticity, use it for packaging field, with traditional packaging material
(paper, metal, glass etc.) is compared, the performance that plastic package material has which unique.The each based packaging material being made of plastics, such as moulds
Material film, plastic bag, Plastic Drum and chest, plastic bottle and tank and compound package material etc., are widely used in food packaging applications,
For protecting commodity in the processes of circulation such as accumulating, sale, consumption not by various unfavorable conditions and environmental disruption and impact, lifted
The use value of commodity, market are in rising trend year by year to packaging material demand.Why plastic package material can be extensive
Using the good characteristic in packaging for foodstuff, being because that plastics package has which unique, such as excellent physical and mechanical property, good change
Stability is learned, light weight, processing forming are good, good looking appearance, easily coloring etc..But, the wholesomeness of some plastic materials
Can be poor, while its packaging waste can produce large effect to environment again, so as to have impact on plastic package material at some
The use of food packaging applications.
With people's economic level and the increasingly raising of living standard, spirit level is being pursued not by increasing consumer
While disconnected rising, impact of the aspect of material to its quality of life is focused more on." bread is the staff of life ", daily life be the mankind just
The often important component part of life, and the deciding factor for concerning human health survival and development.In the face of increasingly serious white
Color pollution problem, non-degradable material are difficult to the process that is degraded in the environment, therefore become solid waste, so that environment is seriously dirty
Dye.Consider factors, find one kind and will not cause white pollution to environment, and meet food safety and packaging for foodstuff peace
The degradation material of full standard is an extremely urgent task.
The content of the invention
It is an object of the invention to provide the food product packing film of a kind of degradable, safety and sanitation and antibacterial environment protection and its preparation
Method.
In order to realize the purpose of the present invention, adopt the following technical scheme that：
A kind of food product packing film, is made up of the raw material of following weight portion：
Preferably, it is made up of the raw material of following weight portion：
Preferably, it is made up of the raw material of following weight portion：
Preferably, starch is corn starch.
Preferably, filler is kieselguhr.
Further, a kind of preparation method of food product packing film, comprises the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of its weight 60-90 times, using electric blender in condition of water bath heating
Under, make starch gelatinization；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 70-90 DEG C, is turned
Speed is 180r/min, and the time is 10-20min；The starch of nano-bentonite, filler, calcium citrate and gelatinizing is subsequently adding, is kept
Temperature and rotating speed are constant, stir 5-10min；It is eventually adding food coloring, epoxy soybean oil, stearic acid and Cera Flava, keeping temperature
It is constant with rotating speed, mix to uniformly, obtain compound；
(4) add mixture in single screw extrusion machine, control temperature carries out heat under 170-180 DEG C of processing temperature
Molten extrusion-blown modling film forming, last qualitative winding, packaging are obtained final product.
Preferably, water bath heating temperature is 80 DEG C, and water bath time is 60-120min.
Beneficial effects of the present invention：
The food product packing film of the present invention, with degradable high polymer material polylactic acid, polyhydroxyalkanoate and shitosan
Obtain, nontoxic pollution-free for base material composite, safety and sanitation, with good barrier property and bacteriostasis；By addition
Nano-bentonite and filler, improve the mechanical performance of food product packing film；The present invention can improve increasingly serious white pollution
Problem, mitigates the pressure caused to environment, meets the requirement built a resource-conserving and environment-friendly society.
Specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following enforcements
Example.
Embodiment 1
A kind of food product packing film, is made up of the raw material of following weight portion：45 parts of polylactic acid, polyhydroxyalkanoate 25
Part, 19 parts of starch, 20 parts of shitosan, 0.5 part of food coloring, 1 part of nano-bentonite, 3 parts of filler, 0.5 part of epoxy soybean oil, lemon
Lemon 3 parts of calcium of acid, 0.5 part of stearic acid, 0.5 part of Cera Flava；Wherein starch is corn starch, and filler is kieselguhr.
A kind of preparation method of food product packing film, comprises the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of 60 times of its weight, using electric blender under condition of water bath heating, is made
Starch gelatinization；Wherein, water bath heating temperature is 80 DEG C, and water bath time is 60min；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 70 DEG C, rotating speed
For 180r/min, the time is 20min；It is subsequently adding the starch of nano-bentonite, filler, calcium citrate and gelatinizing, keeping temperature
It is constant with rotating speed, stir 5min；Food coloring, epoxy soybean oil, stearic acid and Cera Flava is eventually adding, keeping temperature and rotating speed are not
Become, mix to uniformly, obtain compound；
(4) add mixture in single screw extrusion machine, control temperature carries out hot melt under 170 DEG C of processing temperature and squeezes
Go out Blown Film, last qualitative winding, packaging are obtained final product.
Embodiment 2
A kind of food product packing film, is made up of the raw material of following weight portion：52 parts of polylactic acid, polyhydroxyalkanoate 35
Part, 26 parts of starch, 26 parts of shitosan, 2 parts of food coloring, 4 parts of nano-bentonite, 7 parts of filler, 3 parts of epoxy soybean oil, citric acid
7 parts of calcium, 2 parts of stearic acid, 2 parts of Cera Flava；Wherein starch is corn starch, and filler is kieselguhr.
A kind of preparation method of food product packing film, comprises the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of 90 times of its weight, using electric blender under condition of water bath heating, is made
Starch gelatinization；Wherein, water bath heating temperature is 80 DEG C, and water bath time is 120min；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 90 DEG C, rotating speed
For 180r/min, the time is 15min；It is subsequently adding the starch of nano-bentonite, filler, calcium citrate and gelatinizing, keeping temperature
It is constant with rotating speed, stir 5min；Food coloring, epoxy soybean oil, stearic acid and Cera Flava is eventually adding, keeping temperature and rotating speed are not
Become, mix to uniformly, obtain compound；
(4) add mixture in single screw extrusion machine, control temperature carries out hot melt under 170 DEG C of processing temperature and squeezes
Go out Blown Film, last qualitative winding, packaging are obtained final product.
Embodiment 3
A kind of food product packing film, is made up of the raw material of following weight portion：48 parts of polylactic acid, polyhydroxyalkanoate 28
Part, 25 parts of starch, 25 parts of shitosan, 1.5 parts of food coloring, 2 parts of nano-bentonite, 5 parts of filler, 2 parts of epoxy soybean oil, Fructus Citri Limoniae
5 parts of sour calcium, 1.5 parts of stearic acid, 1.5 parts of Cera Flava；Wherein starch is corn starch, and filler is kieselguhr.
A kind of preparation method of food product packing film, comprises the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of 70 times of its weight, using electric blender under condition of water bath heating, is made
Starch gelatinization；Wherein, water bath heating temperature is 80 DEG C, and water bath time is 60-120min；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 80 DEG C, rotating speed
For 180r/min, the time is 15min；It is subsequently adding the starch of nano-bentonite, filler, calcium citrate and gelatinizing, keeping temperature
It is constant with rotating speed, stir 8min；Food coloring, epoxy soybean oil, stearic acid and Cera Flava is eventually adding, keeping temperature and rotating speed are not
Become, mix to uniformly, obtain compound；
(4) add mixture in single screw extrusion machine, control temperature carries out hot melt under 175 DEG C of processing temperature and squeezes
Go out Blown Film, last qualitative winding, packaging are obtained final product.
Embodiment 4
A kind of food product packing film, is made up of the raw material of following weight portion：50 parts of polylactic acid, polyhydroxyalkanoate 32
Part, 24 parts of starch, 24 parts of shitosan, 1.5 parts of food coloring, 2 parts of nano-bentonite, 4 parts of filler, 2 parts of epoxy soybean oil, Fructus Citri Limoniae
6 parts of sour calcium, 1.5 parts of stearic acid, 1 part of Cera Flava；Wherein starch is corn starch, and filler is kieselguhr.
A kind of preparation method of food product packing film, comprises the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of 80 times of its weight, using electric blender under condition of water bath heating, is made
Starch gelatinization；Wherein, water bath heating temperature is 80 DEG C, and water bath time is 90min；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 85 DEG C, rotating speed
For 180r/min, the time is 18min；It is subsequently adding the starch of nano-bentonite, filler, calcium citrate and gelatinizing, keeping temperature
It is constant with rotating speed, stir 8min；Food coloring, epoxy soybean oil, stearic acid and Cera Flava is eventually adding, keeping temperature and rotating speed are not
Become, mix to uniformly, obtain compound；
(4) add mixture in single screw extrusion machine, control temperature carries out hot melt under 175 DEG C of processing temperature and squeezes
Go out Blown Film, last qualitative winding, packaging are obtained final product.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of food product packing film, it is characterised in that be made up of the raw material of following weight portion：
2. a kind of food product packing film according to claim 1, it is characterised in that be made up of the raw material of following weight portion：
3. a kind of food product packing film according to claim 1, it is characterised in that be made up of the raw material of following weight portion：
4. a kind of food product packing film according to claim 1, it is characterised in that starch is corn starch.
5. a kind of food product packing film according to claim 1, it is characterised in that filler is kieselguhr.
6. a kind of preparation method of food product packing film, it is characterised in that comprise the following steps：
(1) each raw material of corresponding weight portion is weighed respectively；
(2) starch is added in the distilled water of its weight 60-90 times, using electric blender under condition of water bath heating, is made
Starch gelatinization；
(3) polylactic acid, polyhydroxyalkanoate and shitosan are added in mixer, heating-up temperature is 70-90 DEG C, rotating speed is
180r/min, time are 10-20min；It is subsequently adding the starch of nano-bentonite, filler, calcium citrate and gelatinizing, keeping temperature
It is constant with rotating speed, stir 5-10min；It is eventually adding food coloring, epoxy soybean oil, stearic acid and Cera Flava, keeping temperature and turns
Speed is constant, mixes to uniformly, obtains compound；
(4) add mixture in single screw extrusion machine, control temperature carries out hot melt under 170-180 DEG C of processing temperature and squeezes
Go out Blown Film, last qualitative winding, packaging are obtained final product.
7. the preparation method of a kind of food product packing film according to claim 6, it is characterised in that water bath heating temperature is
80 DEG C, water bath time is 60-120min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049606.XA CN106519619A (en) | 2016-11-24 | 2016-11-24 | Food packaging film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049606.XA CN106519619A (en) | 2016-11-24 | 2016-11-24 | Food packaging film and preparation method thereof |
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| CN106519619A true CN106519619A (en) | 2017-03-22 |
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| CN201611049606.XA Pending CN106519619A (en) | 2016-11-24 | 2016-11-24 | Food packaging film and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722580A (en) * | 2017-10-20 | 2018-02-23 | 天津市宝德包装有限公司 | A kind of antibacterial food packing film for being easy to degraded and preparation method thereof |
| CN108570224A (en) * | 2018-05-24 | 2018-09-25 | 天津科技大学 | A kind of antibacterial high barrier degradation plastic and its preparation |
| CN109776877A (en) * | 2019-01-11 | 2019-05-21 | 安徽鼎正包装材料有限公司 | Degradable translucent package bottle and its processing technology |
| CN113429769A (en) * | 2021-07-23 | 2021-09-24 | 韦小玉 | Biomass antibacterial plastic and preparation method thereof |
| CN114634769A (en) * | 2022-03-18 | 2022-06-17 | 揭阳市国为新技术有限公司 | Degradable in-mold label, preparation method thereof and treatment method of degradable plastic bottle |
| WO2023146424A1 (en) * | 2022-01-27 | 2023-08-03 | Politechnika Warszawska | Biocomposite comprising beeswax and method of obtaining biocomposite using beeswax |
| WO2024023795A1 (en) * | 2022-07-29 | 2024-02-01 | Università Di Pisa | Hot-melt biobased polymeric formulations for coating applications containing active biomolecules |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722580A (en) * | 2017-10-20 | 2018-02-23 | 天津市宝德包装有限公司 | A kind of antibacterial food packing film for being easy to degraded and preparation method thereof |
| CN108570224A (en) * | 2018-05-24 | 2018-09-25 | 天津科技大学 | A kind of antibacterial high barrier degradation plastic and its preparation |
| CN109776877A (en) * | 2019-01-11 | 2019-05-21 | 安徽鼎正包装材料有限公司 | Degradable translucent package bottle and its processing technology |
| CN113429769A (en) * | 2021-07-23 | 2021-09-24 | 韦小玉 | Biomass antibacterial plastic and preparation method thereof |
| WO2023146424A1 (en) * | 2022-01-27 | 2023-08-03 | Politechnika Warszawska | Biocomposite comprising beeswax and method of obtaining biocomposite using beeswax |
| CN114634769A (en) * | 2022-03-18 | 2022-06-17 | 揭阳市国为新技术有限公司 | Degradable in-mold label, preparation method thereof and treatment method of degradable plastic bottle |
| CN114634769B (en) * | 2022-03-18 | 2023-07-14 | 揭阳市国为新技术有限公司 | Degradable in-mold label, preparation method thereof and treatment method of degradable plastic bottle |
| WO2024023795A1 (en) * | 2022-07-29 | 2024-02-01 | Università Di Pisa | Hot-melt biobased polymeric formulations for coating applications containing active biomolecules |
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