CN114715543A - Degradable fruit and vegetable fresh-keeping bag and preparation method thereof - Google Patents
Degradable fruit and vegetable fresh-keeping bag and preparation method thereof Download PDFInfo
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- CN114715543A CN114715543A CN202210205132.2A CN202210205132A CN114715543A CN 114715543 A CN114715543 A CN 114715543A CN 202210205132 A CN202210205132 A CN 202210205132A CN 114715543 A CN114715543 A CN 114715543A
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- 235000012055 fruits and vegetables Nutrition 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 83
- 239000002131 composite material Substances 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 66
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 63
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000004888 barrier function Effects 0.000 claims abstract description 55
- 239000011248 coating agent Substances 0.000 claims abstract description 50
- 238000000576 coating method Methods 0.000 claims abstract description 50
- 239000003365 glass fiber Substances 0.000 claims abstract description 49
- 229920000728 polyester Polymers 0.000 claims abstract description 49
- 229920003232 aliphatic polyester Polymers 0.000 claims abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 48
- 238000007605 air drying Methods 0.000 claims description 14
- 210000002808 connective tissue Anatomy 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000007731 hot pressing Methods 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 claims description 10
- 238000006731 degradation reaction Methods 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 235000013399 edible fruits Nutrition 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 235000013311 vegetables Nutrition 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 4
- 230000000593 degrading effect Effects 0.000 claims 3
- 230000001681 protective effect Effects 0.000 abstract description 7
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 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
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
-
- 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
- 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
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Packages (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a degradable fruit and vegetable fresh-keeping bag and a preparation method thereof, wherein the degradable fruit and vegetable fresh-keeping bag comprises a fresh-keeping bag main body, a fresh-keeping film protective outer film is fixedly connected to the outer surface of the fresh-keeping bag main body, a sealing opening is fixedly connected to the upper end position of the fresh-keeping bag main body, a sealing bottom pad is fixedly connected to the bottom position of the fresh-keeping bag main body, an air outlet is formed in the fresh-keeping bag main body, a reinforcing edge is fixedly connected to the outer side of the fresh-keeping film protective outer film, and an opening and closing strip and a sealing strip are arranged on the sealing opening. The degradable fruit and vegetable freshness protection package and the preparation method thereof provided by the invention are provided with the sealing barrier film, the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating, so that the use strength of the freshness protection package can be increased, the antibacterial effect is excellent, the storage time of fruits and vegetables is prolonged, the use performance is more excellent, the decomposition speed of the freshness protection package can be accelerated, and the environment can be protected conveniently.
Description
Technical Field
The invention relates to the field of freshness protection bags, in particular to a degradable fruit and vegetable freshness protection bag and a preparation method thereof.
Background
Degradable fruit vegetables freshness protection package is a sealing bag that carries out the fruit vegetables fresh-keeping and deposit, when the fruit vegetables were preserved, puts into the refrigerator usually, before putting into the refrigerator, need use the freshness protection package to carry out sealing process to the fruit vegetables, along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of degradable fruit vegetables freshness protection package.
The existing degradable fruit and vegetable fresh-keeping bag has certain disadvantages in use, firstly, sealing performance is possibly poor when the fresh-keeping bag is used, the antibacterial performance is not good, and the use of people is not facilitated, and in addition, the fresh-keeping bag cannot be degraded well, the condition of environmental pollution is easily caused by random discarding, certain adverse effects are brought to the use process of people, and therefore the degradable fruit and vegetable fresh-keeping bag and the preparation method thereof are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the degradable fruit and vegetable freshness protection package and the preparation method thereof, which can increase the use strength of the freshness protection package, have excellent antibacterial effect, increase the storage time of fruits and vegetables, have more excellent use performance, accelerate the decomposition speed of the freshness protection package, facilitate the environmental protection and effectively solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a degradable fruit vegetables freshness protection package, includes the freshness protection package main part, the surface fixedly connected with plastic wrap protection adventitia of freshness protection package main part, the upper end position fixedly connected with seal of freshness protection package main part, the bottom position fixedly connected with seal the heelpiece of freshness protection package main part, be provided with the gas vent in the freshness protection package main part, the outside fixedly connected with of plastic wrap protection adventitia strengthens the limit, be provided with strip and the sealing strip that opens and shuts on the seal, the inside fixedly connected with glass fiber reinforced polyester dope layer of freshness protection package main part, aliphatic polyester degradation bed of material, environmental protection composite film layer, silver ion antibacterial film layer and sealed barrier film layer.
As an optimal technical scheme, the freshness protection package is integrally formed with the glass fiber reinforced polyester coating layer, the aliphatic polyester degradable material layer, the environment-friendly composite film layer, the silver ion antibacterial film layer and the sealing barrier film layer in a hot-pressing composite processing mode.
As an optimal technical scheme of this application, seal between the bottom position of freshness protection package main part and the sealed heelpiece, mode integrated into one piece through injection moulding processing between freshness protection package main part and the plastic wrap protection adventitia, the plastic wrap protection adventitia is connected with the enhancement limit.
A preparation method of a degradable fruit and vegetable fresh-keeping bag comprises the following operation steps:
s1: preparing materials required to be used for preparing the degradable fruit and vegetable freshness protection package, wherein the materials comprise a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating;
s2: the sealing barrier film is used as a base material, and the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are compounded, processed and molded to prepare the composite material;
s3: the method comprises the following steps of pretreating a sealing barrier film, a silver ion antibacterial film and an environment-friendly composite film, cutting the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film into the same size, and placing the treated sealing barrier film, the treated silver ion antibacterial film and the treated environment-friendly composite film on a hot press for hot-pressing composite molding;
s4: further processing the formed film, placing the film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, and uniformly coating the mixture on the outer surface of the film;
s5: and (3) performing air drying operation after molding, performing rolling treatment on the molded fruit and vegetable fresh-keeping bag after air drying, and then performing cooling, edge cutting, pressurizing and rolling operation until the packaging bag is molded and processed in a production line, so that the degradable fruit and vegetable fresh-keeping bag is prepared.
As a preferable technical scheme, the sealing barrier film accounts for 30-42%, the aliphatic polyester degradation material accounts for 6-11%, the silver ion antibacterial film accounts for 16-21%, the glass fiber reinforced polyester coating accounts for 12-16%, and the environment-friendly composite film accounts for 14-26%.
As a preferred technical solution of the present application, the content of the sealing barrier film is 40%, the content of the aliphatic polyester degradation material is 7%, the content of the silver ion antibacterial film is 17%, the content of the glass fiber reinforced polyester coating is 16%, and the content of the environment-friendly composite film is 20%.
As a preferred technical solution of the present application, the content of the sealing barrier film is 36%, the content of the aliphatic polyester degradation material is 10%, the content of the silver ion antibacterial film is 19%, the content of the glass fiber reinforced polyester coating is 15%, and the content of the environment-friendly composite film is 20%.
As a preferred technical solution of the present application, the content of the sealing barrier film is 38%, the content of the aliphatic polyester degradable material is 9%, the content of the silver ion antibacterial film is 20%, the content of the glass fiber reinforced polyester coating is 15%, and the content of the environment-friendly composite film is 18%.
(III) advantageous effects
Compared with the prior art, the invention provides a degradable fruit and vegetable fresh-keeping bag and a preparation method thereof, and the degradable fruit and vegetable fresh-keeping bag has the following beneficial effects: the degradable fruit and vegetable fresh-keeping bag is provided with a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, can increase the use strength of the fresh-keeping bag, has an excellent antibacterial effect, can increase the storage time of fruits and vegetables, has more excellent use performance, can accelerate the decomposition speed of the fresh-keeping bag and facilitate the environmental protection, is prepared to be used as a material for preparing the degradable fruit and vegetable fresh-keeping bag, and comprises the sealing barrier film, the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating The environment-friendly composite film is pretreated, cut into the same size, a treated sealing barrier film, a silver ion antibacterial film and the environment-friendly composite film are placed on a hot press to be subjected to hot-pressing composite forming operation, the formed film is further treated and placed at the inner position of a coating machine, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating are added and mixed, the film is uniformly coated at the outer surface of the film, air drying operation is performed after forming, the film is rolled after air drying, cooling, trimming and pressurizing rolling operation is performed until a packaging bag is formed, assembly line processing is performed, the preparation of the degradable fruit and vegetable freshness protection bag is completed, the whole degradable fruit and vegetable freshness protection bag is simple in structure and convenient to operate, and the using effect is better than that of a traditional mode.
Drawings
FIG. 1 is a schematic view of the overall structure of a degradable fruit and vegetable fresh-keeping bag and a preparation method thereof.
FIG. 2 is a schematic structural diagram of a preservative film protective outer film in the degradable fruit and vegetable preservative bag and the preparation method thereof.
FIG. 3 is a schematic structural diagram of a degradable fruit and vegetable freshness protection package and a sealing seal in the preparation method thereof.
FIG. 4 is a schematic structural diagram of the interior of the main body of the degradable fruit and vegetable fresh-keeping bag and the preparation method thereof.
In the figure: 1. a freshness protection package main body; 2. sealing and sealing; 3. an exhaust port; 4. a preservative film protective outer film; 5. sealing the bottom pad; 6. a reinforcing edge; 7. opening and closing strips; 8. a sealing strip; 9. a glass fiber reinforced polyester coating layer; 10. an aliphatic polyester degradable material layer; 11. an environment-friendly composite film layer; 12. a silver ion antibacterial film layer; 13. the barrier film layer is sealed.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-4, a degradable fruit and vegetable fresh-keeping bag, including fresh-keeping bag main body 1, the outer fixed surface of fresh-keeping bag main body 1 is connected with plastic wrap protection adventitia 4, the upper end position fixedly connected with seal of fresh-keeping bag main body 1 seals 2, the bottom position fixedly connected with seal base gasket 5 of fresh-keeping bag main body 1, be provided with gas vent 3 on the fresh-keeping bag main body 1, the outside fixedly connected with enhancement limit 6 of plastic wrap protection adventitia 4, be provided with strip 7 and sealing strip 8 that open and shut on the seal 2, the inside fixedly connected with glass fiber enhancement mode polyester dope layer 9 of fresh-keeping bag main body 1, aliphatic polyester degradation bed 10, environmental protection composite film layer 11, silver ion antibacterial film layer 12 and sealed barrier film layer 13.
Further, the freshness protection package main body 1, the glass fiber reinforced polyester coating layer 9, the aliphatic polyester degradable material layer 10, the environment-friendly composite film layer 11, the silver ion antibacterial film layer 12 and the sealing barrier film layer 13 are integrally formed in a hot-pressing composite processing mode.
Further, seal between the bottom position of freshness protection package main part 1 and sealed heelpiece 5, through injection moulding's mode integrated into one piece between freshness protection package main part 1 and the plastic wrap protection adventitia 4, the plastic wrap protection adventitia 4 is connected with enhancement limit 6.
A preparation method of a degradable fruit and vegetable fresh-keeping bag comprises the following operation steps:
s1: preparing materials required to be used for preparing the degradable fruit and vegetable freshness protection package, wherein the materials comprise a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating;
s2: the sealing barrier film is used as a base material, and the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are compounded, processed and molded to prepare the composite material;
s3: the method comprises the following steps of pretreating a sealing barrier film, a silver ion antibacterial film and an environment-friendly composite film, cutting the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film into the same size, and placing the treated sealing barrier film, the treated silver ion antibacterial film and the treated environment-friendly composite film on a hot press for hot-pressing composite molding;
s4: further processing the formed film, placing the film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, and uniformly coating the mixture on the outer surface of the film;
s5: and performing air drying operation after molding, performing rolling treatment on the molded fruit and vegetable fresh-keeping bag after air drying, and then performing cooling, trimming and pressurizing rolling operation until the packaging bag is molded and processed in a production line, so that the preparation of the degradable fruit and vegetable fresh-keeping bag is finished.
Furthermore, the content of the sealing barrier film is 30-42%, the content of the aliphatic polyester degradable material is 6-11%, the content of the silver ion antibacterial film is 16-21%, the content of the glass fiber reinforced polyester coating is 12-16%, and the content of the environment-friendly composite film is 14-26%.
Furthermore, the content of the sealing barrier film is 40%, the content of the aliphatic polyester degradation material is 7%, the content of the silver ion antibacterial film is 17%, the content of the glass fiber reinforced polyester coating is 16%, and the content of the environment-friendly composite film is 20%.
Example two:
on the basis of the first embodiment, as shown in fig. 1-4, a degradable fruit and vegetable freshness protection package comprises a freshness protection package main body 1, a freshness protection film protection outer film 4 is fixedly connected to the outer surface of the freshness protection package main body 1, a sealing seal 2 is fixedly connected to the upper end of the freshness protection package main body 1, a sealing bottom pad 5 is fixedly connected to the bottom of the freshness protection package main body 1, an exhaust port 3 is formed in the freshness protection package main body 1, a reinforcing edge 6 is fixedly connected to the outer side of the freshness protection film protection outer film 4, an opening and closing strip 7 and a sealing strip 8 are arranged on the sealing seal 2, a glass fiber reinforced polyester coating layer 9 is fixedly connected to the inside of the freshness protection package main body 1, an aliphatic polyester degradation material layer 10, an environment-friendly composite film layer 11, a silver ion antibacterial film layer 12 and a sealing separation film layer 13.
Further, the freshness protection package main body 1, the glass fiber reinforced polyester coating layer 9, the aliphatic polyester degradable material layer 10, the environment-friendly composite film layer 11, the silver ion antibacterial film layer 12 and the sealing barrier film layer 13 are integrally formed in a hot-pressing composite processing mode.
Further, seal between the bottom position of freshness protection package main part 1 and sealed heelpiece 5, through injection moulding's mode integrated into one piece between freshness protection package main part 1 and the plastic wrap protection adventitia 4, the plastic wrap protection adventitia 4 is connected with enhancement limit 6.
A preparation method of a degradable fruit and vegetable fresh-keeping bag comprises the following operation steps:
s1: preparing materials required to be used for preparing the degradable fruit and vegetable freshness protection package, wherein the materials comprise a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating;
s2: the sealing barrier film is used as a base material, and the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are compounded, processed and molded to prepare the glass fiber reinforced polyester coating;
s3: the method comprises the following steps of pretreating a sealing barrier film, a silver ion antibacterial film and an environment-friendly composite film, cutting the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film into the same size, and placing the treated sealing barrier film, the treated silver ion antibacterial film and the treated environment-friendly composite film on a hot press for hot-pressing composite molding;
s4: further processing the formed film, placing the film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, and uniformly coating the mixture on the outer surface of the film;
s5: and (3) performing air drying operation after molding, performing rolling treatment on the molded fruit and vegetable fresh-keeping bag after air drying, and then performing cooling, edge cutting, pressurizing and rolling operation until the packaging bag is molded and processed in a production line, so that the degradable fruit and vegetable fresh-keeping bag is prepared.
Furthermore, the content of the sealing barrier film is 30-42%, the content of the aliphatic polyester degradable material is 6-11%, the content of the silver ion antibacterial film is 16-21%, the content of the glass fiber reinforced polyester coating is 12-16%, and the content of the environment-friendly composite film is 14-26%.
Furthermore, the content of the sealing barrier film is 36%, the content of the aliphatic polyester degradation material is 10%, the content of the silver ion antibacterial film is 19%, the content of the glass fiber reinforced polyester coating is 15%, and the content of the environment-friendly composite film is 20%.
Example three:
on the basis of the first embodiment and the second embodiment, as shown in fig. 1 to 4, a degradable fruit and vegetable freshness protection package comprises a freshness protection package main body 1, a freshness protection film protective outer film 4 is fixedly connected to the outer surface of the freshness protection package main body 1, a sealing seal 2 is fixedly connected to the upper end of the freshness protection package main body 1, a sealing bottom pad 5 is fixedly connected to the bottom of the freshness protection package main body 1, an exhaust port 3 is formed in the freshness protection package main body 1, a reinforcing edge 6 is fixedly connected to the outer side of the freshness protection film protective outer film 4, an opening strip 7 and a sealing strip 8 are arranged on the sealing seal 2, a glass fiber reinforced polyester coating layer 9 is fixedly connected to the inside of the freshness protection package main body 1, an aliphatic polyester degradable material layer 10, an environment-friendly composite film layer 11, a silver ion antibacterial film layer 12 and a sealing barrier film layer 13.
Furthermore, the freshness protection package main body 1, the glass fiber reinforced polyester coating layer 9, the aliphatic polyester degradable material layer 10, the environment-friendly composite film layer 11, the silver ion antibacterial film layer 12 and the sealing barrier film layer 13 are integrally formed in a hot-pressing composite processing mode.
Further, seal between the bottom position of freshness protection package main part 1 and sealed heelpiece 5, through injection moulding's mode integrated into one piece between freshness protection package main part 1 and the plastic wrap protection adventitia 4, plastic wrap protection adventitia 4 is connected with enhancement limit 6.
A preparation method of a degradable fruit and vegetable fresh-keeping bag comprises the following operation steps:
s1: preparing materials required by preparing the degradable fruit and vegetable fresh-keeping bag, wherein the materials comprise a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating;
s2: the sealing barrier film is used as a base material, and the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are compounded, processed and molded to prepare the composite material;
s3: the method comprises the following steps of pretreating a sealing barrier film, a silver ion antibacterial film and an environment-friendly composite film, cutting the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film into the same size, and placing the treated sealing barrier film, the treated silver ion antibacterial film and the treated environment-friendly composite film on a hot press for hot-pressing composite molding;
s4: further processing the formed film, placing the film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, and uniformly coating the mixture on the outer surface of the film;
s5: and performing air drying operation after molding, performing rolling treatment on the molded fruit and vegetable fresh-keeping bag after air drying, and then performing cooling, trimming and pressurizing rolling operation until the packaging bag is molded and processed in a production line, so that the preparation of the degradable fruit and vegetable fresh-keeping bag is finished.
Furthermore, the content of the sealing barrier film is 30-42%, the content of the aliphatic polyester degradable material is 6-11%, the content of the silver ion antibacterial film is 16-21%, the content of the glass fiber reinforced polyester coating is 12-16%, and the content of the environment-friendly composite film is 14-26%.
Furthermore, the content of the sealing barrier film is 38%, the content of the aliphatic polyester degradation material is 9%, the content of the silver ion antibacterial film is 20%, the content of the glass fiber reinforced polyester coating is 15%, and the content of the environment-friendly composite film is 18%.
The working principle is as follows: the invention comprises a freshness protection package main body 1, a sealing opening 2, an exhaust port 3, a freshness protection film protective outer film 4, a sealing bottom pad 5, a reinforcing edge 6, an opening strip 7, a sealing strip 8, a glass fiber reinforced polyester coating layer 9, an aliphatic polyester degradable material layer 10, an environment-friendly composite film layer 11, a silver ion antibacterial film layer 12 and a sealing barrier film layer 13, materials required for preparing the degradable fruit and vegetable freshness protection package are prepared, the materials comprise the sealing barrier film, the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and a glass fiber reinforced polyester coating, the sealing barrier film is taken as a base material, the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are subjected to composite processing and molding preparation, the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film are pretreated and cut into the same size, and placing the treated sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film on a hot press for hot-pressing composite molding, further treating the molded film, placing the molded film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, uniformly coating the film at the position of the outer surface of the film, performing air drying operation after molding, rolling the film after air drying, and then performing cooling, edge cutting and pressurized rolling operation until the packaging bag is molded, and processing the packaging bag in a production line, thereby completing the preparation of the degradable fruit and vegetable freshness protection package.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a degradable fruit vegetables freshness protection package, includes freshness protection package main part (1), its characterized in that: the outer fixed surface of freshness protection package main part (1) is connected with plastic wrap protection adventitia (4), the upper end position fixedly connected with seal (2) of freshness protection package main part (1), the bottom position fixedly connected with seal bottom pad (5) of freshness protection package main part (1), be provided with gas vent (3) on the freshness protection package main part (1), the outside fixedly connected with of freshness protection package adventitia (4) strengthens limit (6), be provided with strip (7) and sealing strip (8) that open and shut on seal (2), inside fixedly connected with glass fiber enhancement mode polyester dope layer (9) of freshness protection package main part (1), aliphatic polyester degradation bed of material (10), environmental protection composite film layer (11), silver ion antibacterial film layer (12) and sealed barrier film layer (13).
2. The degradable fruit and vegetable fresh-keeping bag according to claim 1, characterized in that: the freshness protection package is characterized in that the freshness protection package main body (1), the glass fiber reinforced polyester coating layer (9), the aliphatic polyester degradable material layer (10), the environment-friendly composite film layer (11), the silver ion antibacterial film layer (12) and the sealing barrier film layer (13) are integrally formed in a hot-pressing composite processing mode.
3. The degradable fruit and vegetable fresh-keeping bag according to claim 1, characterized in that: the plastic wrap is characterized in that the bottom position of the plastic wrap main body (1) and the sealing bottom pad (5) are sealed, the plastic wrap main body (1) and the plastic wrap protection outer film (4) are integrally formed in an injection molding mode, and the plastic wrap protection outer film (4) is connected with the reinforcing edge (6).
4. A preparation method of a degradable fruit and vegetable fresh-keeping bag is characterized by comprising the following steps: the method comprises the following operation steps:
s1: preparing materials required to be used for preparing the degradable fruit and vegetable freshness protection package, wherein the materials comprise a sealing barrier film, a silver ion antibacterial film, an environment-friendly composite film, an aliphatic polyester degradable material and a glass fiber reinforced polyester coating;
s2: the sealing barrier film is used as a base material, and the silver ion antibacterial film, the environment-friendly composite film, the aliphatic polyester degradable material and the glass fiber reinforced polyester coating are compounded, processed and molded to prepare the composite material;
s3: the method comprises the following steps of pretreating a sealing barrier film, a silver ion antibacterial film and an environment-friendly composite film, cutting the sealing barrier film, the silver ion antibacterial film and the environment-friendly composite film into the same size, and placing the treated sealing barrier film, the treated silver ion antibacterial film and the treated environment-friendly composite film on a hot press for hot-pressing composite molding;
s4: further processing the formed film, placing the film at the inner position of a coating machine, adding an aliphatic polyester degradable material and a glass fiber reinforced polyester coating, mixing, and uniformly coating the mixture on the outer surface of the film;
s5: and (3) performing air drying operation after molding, performing rolling treatment on the molded fruit and vegetable fresh-keeping bag after air drying, and then performing cooling, edge cutting, pressurizing and rolling operation until the packaging bag is molded and processed in a production line, so that the degradable fruit and vegetable fresh-keeping bag is prepared.
5. The preparation method of the degradable fruit and vegetable fresh-keeping bag according to claim 4, characterized by comprising the following steps: the sealing and blocking film comprises 30-42% of the sealing and blocking film, 6-11% of the aliphatic polyester degrading material, 16-21% of the silver ion antibacterial film, 12-16% of the glass fiber reinforced polyester coating and 14-26% of the environment-friendly composite film.
6. The preparation method of the degradable fruit and vegetable fresh-keeping bag according to claim 5, characterized by comprising the following steps: the sealing and blocking film accounts for 40%, the aliphatic polyester degrading material accounts for 7%, the silver ion antibacterial film accounts for 17%, the glass fiber reinforced polyester coating accounts for 16%, and the environment-friendly composite film accounts for 20%.
7. The preparation method of the degradable fruit and vegetable fresh-keeping bag according to claim 5, characterized by comprising the following steps: the content of the sealing barrier film is 36%, the content of the aliphatic polyester degrading material is 10%, the content of the silver ion antibacterial film is 19%, the content of the glass fiber reinforced polyester coating is 15%, and the content of the environment-friendly composite film is 20%.
8. The preparation method of the degradable fruit and vegetable fresh-keeping bag according to claim 5, characterized by comprising the following steps: the sealing and blocking film accounts for 38%, the aliphatic polyester degradable material accounts for 9%, the silver ion antibacterial film accounts for 20%, the glass fiber reinforced polyester coating accounts for 15%, and the environment-friendly composite film accounts for 18%.
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| CN202210205132.2A CN114715543A (en) | 2022-03-02 | 2022-03-02 | Degradable fruit and vegetable fresh-keeping bag and preparation method thereof |
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| CN202210205132.2A CN114715543A (en) | 2022-03-02 | 2022-03-02 | Degradable fruit and vegetable fresh-keeping bag and preparation method thereof |
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Address after: No. 88, Changzhou Road, Changzhou High-tech Zone, Dafeng District, Yancheng City, Jiangsu Province, 224199 (2) Applicant after: JIANGSU JIEYA HOMEWARE PRODUCTS CO.,LTD. Address before: No. 88, Changzhou Road, Changzhou high tech Zone, Dafeng City, Yancheng City, Suzhou City, Jiangsu Province 224199 Applicant before: JIANGSU JIEYA HOMEWARE PRODUCTS CO.,LTD. |
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