CN113954472A - High-strength wear-resistant composite packaging film and preparation method thereof - Google Patents

High-strength wear-resistant composite packaging film and preparation method thereof Download PDF

Info

Publication number
CN113954472A
CN113954472A CN202111141538.0A CN202111141538A CN113954472A CN 113954472 A CN113954472 A CN 113954472A CN 202111141538 A CN202111141538 A CN 202111141538A CN 113954472 A CN113954472 A CN 113954472A
Authority
CN
China
Prior art keywords
nano
packaging film
composite packaging
filler
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111141538.0A
Other languages
Chinese (zh)
Inventor
李永山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhenmei Packaging Technology Co ltd
Original Assignee
Jiangsu Zhenmei Packaging Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhenmei Packaging Technology Co ltd filed Critical Jiangsu Zhenmei Packaging Technology Co ltd
Priority to CN202111141538.0A priority Critical patent/CN113954472A/en
Publication of CN113954472A publication Critical patent/CN113954472A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0806—Silver
    • 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
    • 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
    • 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
    • C08K3/38—Boron-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a high-strength wear-resistant composite packaging film and a preparation method thereof, and particularly relates to the technical field of medicine packaging materials, wherein the high-strength wear-resistant composite packaging film comprises an aluminum foil and a coating film, and the coating film comprises: polyvinyl chloride resin, epoxy resin, starch and nano-filler. The composite packaging film can be normally used after being strongly irradiated by sunlight, has high structural strength and good crease and friction resistance, and is not easy to damage; the epoxy resin and the polyvinyl chloride form a semi-interpenetrating network structure, so that the starch and the nano filler are more easily combined with the polyvinyl chloride resin, the filler has better effect, and meanwhile, the semi-interpenetrating network structure is used as a supporting framework of the coating film, so that the structural strength and the wrinkle-resistant friction performance of the composite packaging film can be effectively enhanced; the starch can effectively enhance the degradability of the composite packaging film and is more beneficial to recycling; the nano filler can effectively improve the antibacterial property, the photocatalytic property and the sunlight isolation property of the composite packaging film.

Description

High-strength wear-resistant composite packaging film and preparation method thereof
Technical Field
The invention relates to the technical field of medicine packaging materials, in particular to a high-strength wear-resistant composite packaging film and a preparation method thereof.
Background
The packaging film is used for winding and packaging, enables packaging materials to be more stable and tidy, and is applied to industries such as foreign trade export, papermaking, hardware, plastic chemical industry, building materials, food and medicine industries and the like. The medicine package refers to a container, materials and auxiliary materials which are manufactured according to a certain technical method in the medicine circulation process and are used for protecting medicines, facilitating transportation and promoting sales. Pharmaceutical packaging also refers to the operations of applying a certain technical method in the process of using containers, materials and accessories for the above purpose. The packaging film in the medicine package can provide package protection for the medicines such as capsules, granules, hard tablets and the like. The composite packaging film is a packaging film made of multilayer films through processes such as printing, compounding and the like, and can be divided into the following components according to the material quality: aluminum-plastic composite packaging films and plastic-plastic composite packaging films.
The existing composite packaging film for medicine packaging has low structural strength under strong sunlight irradiation, and is easy to generate permanent damage when wrinkles and friction occur.
Disclosure of Invention
In order to overcome the above defects of the prior art, embodiments of the present invention provide a high-strength wear-resistant composite packaging film and a preparation method thereof.
The high-strength wear-resistant composite packaging film comprises an aluminum foil, wherein coating films are arranged on two sides of the outer wall of the aluminum foil, and the coating films comprise the following components in percentage by weight: 63.70-66.90% of polyvinyl chloride resin, 7.60-8.80% of epoxy resin, 17.10-18.70% of starch and the balance of nano filler.
Further, the nano-filler comprises the following components in percentage by weight: 18.80-20.60% of nano zinc oxide, 20.40-21.60% of nano silver particles, 19.60-21.40% of nano cellulose, 18.80-20.60% of nano lanthanum hexaboride and the balance of nano silicon nitride.
Further, the coating film comprises the following components in percentage by weight: 63.70% of polyvinyl chloride resin, 7.60% of epoxy resin, 17.10% of starch and 11.60% of nano filler; the nano filler comprises the following components in percentage by weight: 18.80% of nano zinc oxide, 20.40% of nano silver particles, 19.60% of nano cellulose, 18.80% of nano lanthanum hexaboride and 22.40% of nano silicon nitride.
Further, the coating film comprises the following components in percentage by weight: 66.90% of polyvinyl chloride resin, 8.80% of epoxy resin, 18.70% of starch and 5.60% of nano filler; the nano filler comprises the following components in percentage by weight: 20.60% of nano zinc oxide, 21.60% of nano silver particles, 21.40% of nano cellulose, 20.60% of nano lanthanum hexaboride and 15.80% of nano silicon nitride.
Further, the coating film comprises the following components in percentage by weight: 65.30% of polyvinyl chloride resin, 8.20% of epoxy resin, 17.90% of starch and 8.60% of nano-filler; the nano filler comprises the following components in percentage by weight: 19.70% of nano zinc oxide, 21.00% of nano silver particles, 20.50% of nano cellulose, 19.70% of nano lanthanum hexaboride and 19.10% of nano silicon nitride.
Furthermore, the thickness ratio of the aluminum foil to the coating film is 1: 2-4.
The invention also provides a preparation method of the high-strength wear-resistant composite packaging film, which comprises the following specific preparation steps:
the method comprises the following steps: weighing the raw materials of the coating film in parts by weight: polyvinyl chloride resin, epoxy resin, starch and nano-filler;
step two: mechanically stirring, mixing and heating the polyvinyl chloride resin in the step one, three-quarter of the starch and the nano filler in the step one for 40-60 minutes, and simultaneously adding deionized water in an amount which is 4-6 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material A;
step three: mechanically stirring, mixing and heating the epoxy resin in the step one and the residual starch and nano filler in the step one for 30-40 minutes, and simultaneously adding deionized water with the weight being 4-6 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material B;
step four: adding the composite material A prepared in the step two into a main feed inlet of a double-screw extruder, adding the composite material B prepared in the step three into an auxiliary feed inlet of the double-screw extruder, and performing extrusion and blow molding on the mixture by the double-screw extruder to obtain a coating film;
step five: placing the aluminum foil into a plasma cleaning machine for surface etching modification treatment to obtain a modified aluminum foil;
step six: and (4) compounding the coating film prepared in the fourth step to two sides of the outer wall of the modified aluminum foil prepared in the fifth step in a cold stamping processing mode to obtain the high-strength wear-resistant composite packaging film.
Further, in the second step, the heating temperature is 70-80 ℃, and the frequency of the pulse type ultrasonic wave is 25-80 KHz; heating at 60-70 ℃ in the third step, wherein the frequency of the pulse ultrasonic wave is 25-80 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Further, in the second step, the heating temperature is 70 ℃, and the frequency of the pulse type ultrasonic wave is 25-50 KHz; heating at 60 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 25-50 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Further, in the second step, the heating temperature is 75 ℃, and the frequency of the pulse type ultrasonic wave is 30-75 KHz; heating at 65 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 30-75 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
The invention has the technical effects and advantages that:
1. the high-strength wear-resistant composite packaging film prepared by the raw material formula can be normally used after being strongly irradiated by sunlight, has high structural strength, good wrinkle-resistant friction performance, is not easy to damage and has better medicine protection effect; the epoxy resin and the polyvinyl chloride form a semi-interpenetrating network structure, so that the starch and the nano filler are more easily combined with the polyvinyl chloride resin, the filler has better effect, and meanwhile, the semi-interpenetrating network structure is used as a supporting framework of the coating film, so that the structural strength and the wrinkle-resistant friction performance of the composite packaging film can be effectively enhanced; when the composite packaging film is recycled, the starch can effectively enhance the degradability of the composite packaging film, and is more beneficial to recycling; the nano zinc oxide, the nano silver particles, the nano cellulose, the nano lanthanum hexaboride and the nano silicon nitride in the nano filler are matched with each other, so that the antibacterial performance, the photocatalytic performance and the sunlight isolation performance of the composite packaging film can be effectively improved, the reinforcing treatment effect on the coating film can be further enhanced, and the structural strength and the wrinkle-resistant friction performance of the composite packaging film under strong sunlight irradiation can be further improved;
2. in the process of preparing the high-strength wear-resistant composite packaging film, polyvinyl chloride resin, part of starch and nano filler are subjected to heating mechanical stirring and mixing in the step two, meanwhile, water is added for pulse type ultrasonic treatment, the ultrasonic treatment can be used for carrying out multi-level pulse type cavitation treatment on the mixture, so that the effect under the cavitation action in the mixture is better, the contact combination effect among the polyvinyl chloride resin, the starch and the nano filler is better, and the material stability is better; in the third step, the epoxy resin, the residual starch and the nano filler are heated, mechanically stirred and mixed, and simultaneously, water is added for pulse type ultrasonic treatment, the principle is the same as that in the second step, so that the contact effect among the epoxy resin, the starch and the nano filler is better, and the stability of the material is further enhanced; in the fourth step, extrusion blow molding treatment is adopted to obtain a coating film; performing surface etching modification treatment on the aluminum foil to obtain the aluminum foil with the surface etching modification, so that the subsequent composite effect of the coating film and the aluminum foil is better, and the stability between the coating film and the aluminum foil is better; and step six, performing cold stamping composite treatment on the coating film and the aluminum foil.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example 1:
the invention provides a high-strength wear-resistant composite packaging film which comprises an aluminum foil, wherein coating films are arranged on two sides of the outer wall of the aluminum foil; the coating film comprises the following components in percentage by weight: 63.70% of polyvinyl chloride resin, 7.60% of epoxy resin, 17.10% of starch and 11.60% of nano filler; the nano filler comprises the following components in percentage by weight: 18.80% of nano zinc oxide, 20.40% of nano silver particles, 19.60% of nano cellulose, 18.80% of nano lanthanum hexaboride and 22.40% of nano silicon nitride;
the thickness ratio of the aluminum foil to the coating film is 1: 2;
the invention also provides a preparation method of the high-strength wear-resistant composite packaging film, which comprises the following specific preparation steps:
the method comprises the following steps: weighing the raw materials of the coating film in parts by weight: polyvinyl chloride resin, epoxy resin, starch and nano-filler;
step two: mechanically stirring, mixing and heating the polyvinyl chloride resin in the step one, three-quarter of the starch and the nano filler in the step one for 40 minutes, and simultaneously adding deionized water of which the weight is 4 times that of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material A;
step three: mechanically stirring, mixing and heating the epoxy resin in the step one and the residual starch and nano filler in the step one for 30 minutes, and simultaneously adding deionized water of which the weight is 4 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material B;
step four: adding the composite material A prepared in the step two into a main feed inlet of a double-screw extruder, adding the composite material B prepared in the step three into an auxiliary feed inlet of the double-screw extruder, and performing extrusion and blow molding on the mixture by the double-screw extruder to obtain a coating film;
step five: placing the aluminum foil into a plasma cleaning machine for surface etching modification treatment to obtain a modified aluminum foil;
step six: and (4) compounding the coating film prepared in the fourth step to two sides of the outer wall of the modified aluminum foil prepared in the fifth step in a cold stamping processing mode to obtain the high-strength wear-resistant composite packaging film.
In the second step, the heating temperature is 70 ℃, and the frequency of the pulse type ultrasonic wave is 25-50 KHz; heating at 60 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 25-50 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Example 2:
different from the embodiment 1, the coating film comprises the following components in percentage by weight: 66.90% of polyvinyl chloride resin, 8.80% of epoxy resin, 18.70% of starch and 5.60% of nano filler; the nano filler comprises the following components in percentage by weight: 20.60% of nano zinc oxide, 21.60% of nano silver particles, 21.40% of nano cellulose, 20.60% of nano lanthanum hexaboride and 15.80% of nano silicon nitride.
Example 3:
different from the embodiments 1-2, the coating film comprises the following components in percentage by weight: 65.30% of polyvinyl chloride resin, 8.20% of epoxy resin, 17.90% of starch and 8.60% of nano-filler; the nano filler comprises the following components in percentage by weight: 19.70% of nano zinc oxide, 21.00% of nano silver particles, 20.50% of nano cellulose, 19.70% of nano lanthanum hexaboride and 19.10% of nano silicon nitride.
Taking the composite packaging films prepared in the above examples 1-3 and the composite packaging film of the first control group, the composite packaging film of the second control group, the composite packaging film of the third control group, the composite packaging film of the fourth control group and the composite packaging film of the fifth control group respectively, the composite packaging film of the first control group has no nano zinc oxide compared with the examples, the composite packaging film of the second control group has no nano silver particles compared with the examples, the composite packaging film of the third control group has no nano cellulose compared with the examples, the composite packaging film of the fourth control group has no nano lanthanum hexaboride compared with the examples, the composite packaging film of the fifth control group has no nano silicon nitride compared with the examples, the composite packaging films prepared in the three examples and the composite packaging films of the five control groups are respectively tested in eight groups, each 30 samples are taken as a group, and the test results are shown in table one:
table one:
Figure BDA0003284103240000051
Figure BDA0003284103240000061
as can be seen from the table I, when the high-strength wear-resistant composite packaging film comprises an aluminum foil, coating films are arranged on two sides of the outer wall of the aluminum foil, and the coating films are prepared from the following raw materials in percentage by weight: comprises the following components in percentage by weight: 65.30% of polyvinyl chloride resin, 8.20% of epoxy resin, 17.90% of starch and 8.60% of nano-filler; the nano filler comprises the following components in percentage by weight: 19.70% of nano zinc oxide, 21.00% of nano silver particles, 20.50% of nano cellulose, 19.70% of nano lanthanum hexaboride and 19.10% of nano silicon nitride, the composite packaging film can be normally used after being strongly irradiated by sunlight, has high structural strength, good wrinkle and friction resistance, is not easy to damage and has better medicine protection effect; therefore, the embodiment 3 is a preferred embodiment of the present invention, the epoxy resin and the polyvinyl chloride resin in the formulation are matched to form the blend adhesive, and the epoxy resin and the polyvinyl chloride resin form a semi-interpenetrating network structure, so that the starch and the nano-filler are more easily combined with the polyvinyl chloride resin, and the filler has a better effect, and meanwhile, the semi-interpenetrating network structure is used as a supporting framework of the coating film, so that the structural strength and the wrinkle-resistant friction performance of the composite packaging film can be effectively enhanced; the starch is used for filling the polyvinyl chloride resin, is uniformly dispersed in the composite packaging film, and can effectively enhance the degradability of the composite packaging film when the composite packaging film is recycled, so that the recycling is facilitated; the nano zinc oxide in the nano filler has extremely high chemical activity, excellent catalytic activity and photocatalytic activity, and has the functions of resisting infrared rays and ultraviolet radiation and sterilizing, and the nano zinc oxide and the polyvinyl chloride resin are blended, so that the photocatalytic performance of the composite packaging film can be effectively enhanced, and the protection effect on medicines is further ensured; the nano silver particles in the nano filler have excellent antibacterial performance, and can effectively ensure that the medicine is in an aseptic environment and ensure the safety of the medicine; the nano-cellulose in the nano-filler is dehydrated in an extruder, forms a three-dimensional network porous structure in a load and a packaging film, has good mechanical strength, lower thermal expansion coefficient, fast ion diffusion and high temperature resistance, and can effectively enhance the safety and stability of the composite packaging film; the nano lanthanum hexaboride in the nano filler can be fully dispersed in the coating film, so that the composite packaging film can effectively absorb infrared rays, and further, the damage of the infrared rays to the medicine is isolated; the nano silicon nitride has high mechanical strength and good chemical corrosion resistance, the ultraviolet reflectivity is more than 95%, the absorption rate to infrared bands is more than 97%, and the nano silicon nitride is uniformly dispersed in the coating film, so that the sunlight isolation performance of the composite packaging film can be further improved, and the mechanical strength and the safety performance of the composite packaging film can be improved; meanwhile, the nano zinc oxide, the nano silver particles, the nano cellulose, the nano lanthanum hexaboride and the nano silicon nitride in the nano filler are matched with each other, so that the reinforcing treatment effect on the coating film can be further enhanced, and the structural strength and the wrinkle-resistant friction performance of the composite packaging film under strong sunlight irradiation are further improved.
Example 4:
the invention provides a high-strength wear-resistant composite packaging film which comprises an aluminum foil, wherein coating films are arranged on two sides of the outer wall of the aluminum foil, and the coating films are prepared from the following raw materials in parts by weight: comprises the following components in percentage by weight: 65.30% of polyvinyl chloride resin, 8.20% of epoxy resin, 17.90% of starch and 8.60% of nano-filler; the nano filler comprises the following components in percentage by weight: 19.70% of nano zinc oxide, 21.00% of nano silver particles, 20.50% of nano cellulose, 19.70% of nano lanthanum hexaboride and 19.10% of nano silicon nitride;
the thickness ratio of the aluminum foil to the coating film is 1: 3;
the invention also provides a preparation method of the high-strength wear-resistant composite packaging film, which comprises the following specific preparation steps:
the method comprises the following steps: weighing the raw materials of the coating film in parts by weight: polyvinyl chloride resin, epoxy resin, starch and nano-filler;
step two: mechanically stirring, mixing and heating the polyvinyl chloride resin in the step one, three-quarter of the starch and the nano filler in the step one for 40 minutes, and simultaneously adding deionized water of which the weight is 4 times that of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material A;
step three: mechanically stirring, mixing and heating the epoxy resin in the step one and the residual starch and nano filler in the step one for 30 minutes, and simultaneously adding deionized water of which the weight is 4 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material B;
step four: adding the composite material A prepared in the step two into a main feed inlet of a double-screw extruder, adding the composite material B prepared in the step three into an auxiliary feed inlet of the double-screw extruder, and performing extrusion and blow molding on the mixture by the double-screw extruder to obtain a coating film;
step five: placing the aluminum foil into a plasma cleaning machine for surface etching modification treatment to obtain a modified aluminum foil;
step six: and (4) compounding the coating film prepared in the fourth step to two sides of the outer wall of the modified aluminum foil prepared in the fifth step in a cold stamping processing mode to obtain the high-strength wear-resistant composite packaging film.
In the second step, the heating temperature is 70 ℃, and the frequency of the pulse type ultrasonic wave is 25-50 KHz; heating at 60 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 25-50 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Example 5:
different from the embodiment 4, in the second step, the heating temperature is 80 ℃, and the frequency of the pulse type ultrasonic wave is 50-80 KHz; heating at 70 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 50-80 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Example 6:
different from the embodiments 4-5, in the second step, the heating temperature is 75 ℃, and the frequency of the pulse type ultrasonic wave is 30-75 KHz; heating at 65 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 30-75 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
Taking the composite packaging films prepared in the above examples 4-6 and the composite packaging film of the sixth control group, the composite packaging film of the seventh control group, the composite packaging film of the eighth control group and the composite packaging film of the ninth control group, respectively, directly adding all raw materials into a twin-screw extruder compared with the examples, the composite packaging film of the seventh control group has no operation in the second step compared with the examples, the composite packaging film of the eighth control group has no operation in the third step compared with the examples, the composite packaging film of the ninth control group has no operation in the fifth step compared with the examples, respectively testing the composite packaging films prepared in the three examples and the composite packaging films of the four control groups in seven groups, each 30 samples are taken as a group, and testing results are shown in the second table:
table two:
Figure BDA0003284103240000081
Figure BDA0003284103240000091
as can be seen from table two, example 6 is a preferred embodiment of the present invention; in the second step, the polyvinyl chloride resin, part of the starch and the nano filler are heated, mechanically stirred and mixed, and simultaneously, pulse type ultrasonic treatment is carried out by adding water, and the ultrasonic treatment can carry out multi-level pulse type cavitation treatment on the mixture, so that the effect under the cavitation action in the mixture is better, the contact bonding effect among the polyvinyl chloride resin, the starch and the nano filler is better, and the material stability is better; in the third step, the epoxy resin, the residual starch and the nano filler are heated, mechanically stirred and mixed, and simultaneously, water is added for pulse type ultrasonic treatment, the principle is the same as that in the second step, so that the contact effect among the epoxy resin, the starch and the nano filler is better, and the stability of the material is further enhanced; in the fourth step, extrusion blow molding treatment is adopted to obtain a coating film; performing surface etching modification treatment on the aluminum foil to obtain the aluminum foil with the surface etching modification, so that the subsequent composite effect of the coating film and the aluminum foil is better, and the stability between the coating film and the aluminum foil is better; and step six, performing cold stamping composite treatment on the coating film and the aluminum foil.
It is noted that, herein, relational terms such as first and second, 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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a wear-resisting type composite packaging film of high strength, includes the aluminium foil, its characterized in that: the aluminum foil is characterized in that coating films are arranged on two sides of the outer wall of the aluminum foil, and the coating films comprise the following components in percentage by weight: 63.70-66.90% of polyvinyl chloride resin, 7.60-8.80% of epoxy resin, 17.10-18.70% of starch and the balance of nano filler.
2. The high-strength wear-resistant composite packaging film according to claim 1, wherein: the nano filler comprises the following components in percentage by weight: 18.80-20.60% of nano zinc oxide, 20.40-21.60% of nano silver particles, 19.60-21.40% of nano cellulose, 18.80-20.60% of nano lanthanum hexaboride and the balance of nano silicon nitride.
3. The high-strength wear-resistant composite packaging film according to claim 2, wherein: the coating film comprises the following components in percentage by weight: 63.70% of polyvinyl chloride resin, 7.60% of epoxy resin, 17.10% of starch and 11.60% of nano filler; the nano filler comprises the following components in percentage by weight: 18.80% of nano zinc oxide, 20.40% of nano silver particles, 19.60% of nano cellulose, 18.80% of nano lanthanum hexaboride and 22.40% of nano silicon nitride.
4. The high-strength wear-resistant composite packaging film according to claim 2, wherein: the coating film comprises the following components in percentage by weight: 66.90% of polyvinyl chloride resin, 8.80% of epoxy resin, 18.70% of starch and 5.60% of nano filler; the nano filler comprises the following components in percentage by weight: 20.60% of nano zinc oxide, 21.60% of nano silver particles, 21.40% of nano cellulose, 20.60% of nano lanthanum hexaboride and 15.80% of nano silicon nitride.
5. The high-strength wear-resistant composite packaging film according to claim 2, wherein: the coating film comprises the following components in percentage by weight: 65.30% of polyvinyl chloride resin, 8.20% of epoxy resin, 17.90% of starch and 8.60% of nano-filler; the nano filler comprises the following components in percentage by weight: 19.70% of nano zinc oxide, 21.00% of nano silver particles, 20.50% of nano cellulose, 19.70% of nano lanthanum hexaboride and 19.10% of nano silicon nitride.
6. The high-strength wear-resistant composite packaging film according to claim 1, wherein: the thickness ratio of the aluminum foil to the coating film is 1: 2-4.
7. The method for preparing a high-strength wear-resistant composite packaging film according to any one of claims 1 to 6, wherein: the preparation method comprises the following specific steps:
the method comprises the following steps: weighing the raw materials of the coating film in parts by weight: polyvinyl chloride resin, epoxy resin, starch and nano-filler;
step two: mechanically stirring, mixing and heating the polyvinyl chloride resin in the step one, three-quarter of the starch and the nano filler in the step one for 40-60 minutes, and simultaneously adding deionized water in an amount which is 4-6 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material A;
step three: mechanically stirring, mixing and heating the epoxy resin in the step one and the residual starch and nano filler in the step one for 30-40 minutes, and simultaneously adding deionized water with the weight being 4-6 times of the total weight of the materials for pulse type ultrasonic treatment to obtain a composite material B;
step four: adding the composite material A prepared in the step two into a main feed inlet of a double-screw extruder, adding the composite material B prepared in the step three into an auxiliary feed inlet of the double-screw extruder, and performing extrusion and blow molding on the mixture by the double-screw extruder to obtain a coating film;
step five: placing the aluminum foil into a plasma cleaning machine for surface etching modification treatment to obtain a modified aluminum foil;
step six: and (4) compounding the coating film prepared in the fourth step to two sides of the outer wall of the modified aluminum foil prepared in the fifth step in a cold stamping processing mode to obtain the high-strength wear-resistant composite packaging film.
8. The method for preparing a high-strength wear-resistant composite packaging film according to claim 7, wherein the method comprises the following steps: in the second step, the heating temperature is 70-80 ℃, and the frequency of the pulse type ultrasonic wave is 25-80 KHz; heating at 60-70 ℃ in the third step, wherein the frequency of the pulse ultrasonic wave is 25-80 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
9. The method for preparing a high-strength wear-resistant composite packaging film according to claim 8, wherein the method comprises the following steps: in the second step, the heating temperature is 70 ℃, and the frequency of the pulse type ultrasonic wave is 25-50 KHz; heating at 60 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 25-50 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
10. The method for preparing a high-strength wear-resistant composite packaging film according to claim 8, wherein the method comprises the following steps: in the second step, the heating temperature is 75 ℃, and the frequency of the pulse type ultrasonic wave is 30-75 KHz; heating at 65 ℃ in the third step, wherein the frequency of the pulse type ultrasonic wave is 30-75 KHz; in the fourth step, the temperature of a charging barrel of the double-screw extruder is 155-175 ℃, the temperature of a connector is 177-183 ℃, and the temperature of a machine head is 172-178 ℃; in the fifth step, the power of the radio frequency power supply of the plasma cleaning machine is 115W, the frequency of the plasma is 12MHz, the atmosphere is nitrogen, and the working time is 10 min.
CN202111141538.0A 2021-09-28 2021-09-28 High-strength wear-resistant composite packaging film and preparation method thereof Pending CN113954472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111141538.0A CN113954472A (en) 2021-09-28 2021-09-28 High-strength wear-resistant composite packaging film and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111141538.0A CN113954472A (en) 2021-09-28 2021-09-28 High-strength wear-resistant composite packaging film and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113954472A true CN113954472A (en) 2022-01-21

Family

ID=79462600

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111141538.0A Pending CN113954472A (en) 2021-09-28 2021-09-28 High-strength wear-resistant composite packaging film and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113954472A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101318395A (en) * 2007-06-05 2008-12-10 上海宏利药用包装材料有限公司 Method of manufacturing medicinal cold-forming composite aluminum foil
CN101508368A (en) * 2008-02-15 2009-08-19 艾尔坎技术及管理有限公司 Cold-forming laminated material for bubble-cap basis parts
CN101817962A (en) * 2010-02-11 2010-09-01 国家复合改性聚合物材料工程技术研究中心 Polyvinyl chloride/epoxy resin blend and preparation method thereof
CN106188973A (en) * 2016-08-12 2016-12-07 杨秀枝 A kind of protecting film PVC base film and manufacture method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101318395A (en) * 2007-06-05 2008-12-10 上海宏利药用包装材料有限公司 Method of manufacturing medicinal cold-forming composite aluminum foil
CN101508368A (en) * 2008-02-15 2009-08-19 艾尔坎技术及管理有限公司 Cold-forming laminated material for bubble-cap basis parts
CN101817962A (en) * 2010-02-11 2010-09-01 国家复合改性聚合物材料工程技术研究中心 Polyvinyl chloride/epoxy resin blend and preparation method thereof
CN106188973A (en) * 2016-08-12 2016-12-07 杨秀枝 A kind of protecting film PVC base film and manufacture method thereof

Similar Documents

Publication Publication Date Title
AU2007241921B2 (en) Molded article and method for production thereof
EP3165359B1 (en) Multilayer structure and method for manufacturing same, packaging material and product in which same is used, and electronic device
AU2015302839B2 (en) Multilayer structure, packaging material including the same, and method for producing said multilayer structure
EP3564307B1 (en) Resin composition and use of same
CN111703165A (en) Coating type multilayer composite high-barrier film, preparation method and application thereof
CN111716857A (en) Melt co-extrusion multilayer composite high-barrier film, preparation method and application thereof
CN1965003B (en) Ethylene-vinyl alcohol copolymer and molded article thereof
CN104962049A (en) APET (amorphous polyethylene terephthalate) toughened blister packaging material and preparation method thereof
CN102285174A (en) Composite packaging film and preparation method thereof
EP4169849A1 (en) Gas barrier multilayer body, coating liquid for producing same, packaging material, package, and packaged article
CN113954472A (en) High-strength wear-resistant composite packaging film and preparation method thereof
CN113682031A (en) Novel environment-friendly fiber glass paper composite preparation method
CN111349298A (en) Low-cost thermoplastically-processable PVA-EVOH high-barrier composition, and preparation method and application thereof
EP4098710A1 (en) Gas-barrier laminate, coating liquid for manufacturing same, packing material, package, and packaged article
CN112959775A (en) Cold-resistant easy-to-tear packaging film and preparation method thereof
CN106218169A (en) A kind of polypropylene film of peel strength enhancement mode and preparation method thereof
JP2022007524A (en) Vapor-deposited film, packaging material and vacuum insulation body
CN114407453A (en) Low-temperature heat-sealing easy-cutting sealing film and preparation method thereof
CN114454578B (en) Three-layer co-extrusion polyethylene heavy packaging film
CN118752872A (en) Ultrahigh-barrier EVOH aluminized composite sheet and preparation method thereof
WO2016104649A1 (en) Polymethallyl alcohol resin composition and molded body using same
CN107474589B (en) It is a kind of to improve preparation method of the plastics using the filler of characteristic
JP7105472B2 (en) Gas barrier laminate
CN116103956A (en) Manufacturing process of new material packaging box
JP2001009976A (en) Laminated film

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20220121