CN109822991A - Packaging laminate, the manufacturing method of packaging laminate and packing container - Google Patents
Packaging laminate, the manufacturing method of packaging laminate and packing container Download PDFInfo
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- CN109822991A CN109822991A CN201910094911.8A CN201910094911A CN109822991A CN 109822991 A CN109822991 A CN 109822991A CN 201910094911 A CN201910094911 A CN 201910094911A CN 109822991 A CN109822991 A CN 109822991A
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Classifications
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- 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
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
-
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin 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
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- 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
Abstract
The present invention relates to a kind of packaging laminate, the manufacturing method of packaging laminate and packing containers.Contain antibacterial additives in packaging laminate.Using the packaging laminate of technical solution of the present invention, due to containing antibacterial additives in packaging laminate, so that packaging laminate has effects that antibacterial, to greatly reduce attachment quantity of the microorganisms such as bacterium on packaging laminate, be conducive to be widely applied.
Description
Technical field
The present invention relates to packing technique fields, more particularly to the manufacturing method of a kind of packaging laminate, packaging laminate
And packing container.
Background technique
Packing container for liquid food is usually to be made by packaging laminate.Packing container is in manufacture, fortune
It will receive different degrees of pollution during defeated, for example, the microbes such as bacterium are attached to the surface of packing container.Even if subsequent
It sterilizes before filling liquid food to packing container, cannot guarantee that and all destroy the microorganism for being attached to surface,
Usually it can only sterilize to ten a ten thousandths of original bacterial number.Therefore, the surface of packing container still remains part microorganism,
It is unfavorable for applying.
Summary of the invention
Based on this, it is necessary to how antibacterial aiming at the problem that, the manufacturer of a kind of packaging laminate, packaging laminate is provided
Method and packing container.
A kind of packaging laminate contains antibacterial additives in the packaging laminate.
Using the packaging laminate of technical solution of the present invention, due to containing antibacterial additives in packaging laminate, so that packet
Dress laminate has effects that antibacterial, to greatly reduce attachment quantity of the microorganisms such as bacterium on packaging laminate, has
Conducive to extensive use.
The packaging laminate includes being located at innermost innermost layer in one of the embodiments, the antibacterial addition
Agent is located at the innermost layer.
The packaging laminate includes outside the thermoplastic stacked gradually from outside to inside in one of the embodiments,
Layer, sandwich layer, thermoplastic intermediate adhesive layer, barrier layer and thermoplastic internal layer, the thermoplastic internal layer include
The most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third stacked gradually, wherein first adhesive part-layer is located at
On the inside of the barrier layer.
The antibacterial additives are located at the most interior sublayer of the third in one of the embodiments,.
The antibacterial additives account for the weight of the third most interior sublayer and antibacterial additives in one of the embodiments,
The weight fraction of summation is 0.008%~2.5%.
The antibacterial additives account for the weight of the third most interior sublayer and antibacterial additives in one of the embodiments,
The weight fraction of summation is 0.08%~0.2%.
Several antibacterial additives are located at the most interior sublayer of the third and the heat in one of the embodiments,
Thermoplastic plastic intermediate adhesive layer.
Several antibacterial additives are located at the most interior sublayer of the third, the heat in one of the embodiments,
Thermoplastic plastic intermediate adhesive layer and the outer thermoplastic layer.
The antibacterial additives are Ag in one of the embodiments,.
A kind of manufacturing method of packaging laminate is also provided, includes the steps that adding antibacterial additives.
The packaging laminate includes being located at innermost innermost layer in one of the embodiments, and the antibacterial is added
Agent is added to be set to the innermost layer.
Include the following steps: in one of the embodiments,
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a resistance simultaneously
On interlayer, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplasticity
Inner plastic includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third
Antibacterial additives are added in most interior sublayer.
The step of preparing the third most interior sublayer in one of the embodiments, are as follows: the most interior sublayer matrix of third is provided
Resin and third Masterbatch containing antibacterial additives, the most interior sublayer matrix resin of the third is total to the third Masterbatch
It is extrusion coated after mixed, obtain the most interior sublayer of third.
Include the following steps: in one of the embodiments,
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a resistance simultaneously
On interlayer, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplasticity
Inner plastic includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third
Antibacterial additives are added in most interior sublayer and the thermoplastic intermediate adhesive layer.
The step of preparing the third most interior sublayer in one of the embodiments, are as follows: the most interior sublayer matrix of third is provided
Resin and third Masterbatch containing antibacterial additives, the most interior sublayer matrix resin of the third is total to the third Masterbatch
It is extrusion coated after mixed, obtain the most interior sublayer of third；
The step of preparing the thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer matrix resin is provided
With the second Masterbatch containing antibacterial additives, it is blended with second Masterbatch in the thermoplastic intermediate adhesive layer
It is extrusion coated afterwards, obtain thermoplastic intermediate adhesive layer.
Include the following steps: in one of the embodiments,
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a resistance simultaneously
On interlayer, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplasticity
Inner plastic includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third
Antibacterial additives are added in most interior sublayer, the thermoplastic intermediate adhesive layer and the outer thermoplastic layer.
The step of preparing the third most interior sublayer in one of the embodiments, are as follows: the most interior sublayer matrix of third is provided
Resin and third Masterbatch containing antibacterial additives, the most interior sublayer matrix resin of the third is total to the third Masterbatch
It is extrusion coated after mixed, obtain the most interior sublayer of third；
The step of preparing the thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer matrix resin is provided
With the second Masterbatch containing antibacterial additives, it is blended with second Masterbatch in the thermoplastic intermediate adhesive layer
It is extrusion coated afterwards, obtain thermoplastic intermediate adhesive layer；
The step of preparing the outer thermoplastic layer are as follows: outer thermoplastic layer matrix resin is provided and is added containing antibacterial
The first Masterbatch for adding agent is squeezed out after the outer thermoplastic layer matrix resin is blended with first Masterbatch and is applied
Cloth obtains outer thermoplastic layer.
Include the following steps: in one of the embodiments,
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a resistance simultaneously
On interlayer, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；
The barrier layer the other side be arranged thermoplastic internal layer, wherein the thermoplastic internal layer include according to
The first adhesive part-layer, the second intermediate part-layer and the most interior sublayer of third of secondary coating；And
Apply antibacterial additives to the most interior sublayer of the third, obtains packaging laminate.
Apply the operation of antibacterial additives to the most interior sublayer of the third in one of the embodiments, are as follows: described in heating
The most interior sublayer of third, so that the most interior sublayer melting of the third, maintains the most interior sublayer of the third of melting at the uniform velocity to move, will resist
Bacteria additive is uniformly sprayed onto the most interior sublayer of the third at the uniform velocity moving and melting, later cool down to get.
In addition, also providing a kind of packing container, it is fabricated by above-mentioned packaging laminate.
Using the packing container of technical solution of the present invention, since the raw material of manufacture packaging laminate includes antibacterial additives,
So that packaging laminate has effects that antibacterial, to greatly reduce attachment number of the microorganisms such as bacterium on packaging laminate
Amount, is conducive to be widely applied.
Detailed description of the invention
Fig. 1 is the schematic diagram of the packaging laminate of an embodiment of the present invention；
Fig. 2 is the flow chart of the manufacturing method of the packaging laminate of an embodiment of the present invention；
Fig. 3 is the schematic diagram of the manufacturing process of the packaging laminate of an embodiment of the present invention；
Fig. 4 is the flow chart of the manufacturing method of the packaging laminate of another embodiment of the present invention；
Fig. 5 is the flow chart of the manufacturing method of the packaging laminate of another embodiment of the present invention；
Fig. 6 is the flow chart of the manufacturing method of the packaging laminate of another embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The packaging laminate of an embodiment of the present invention contains antibacterial additives in packaging laminate.Wherein, antibacterial is added
Agent is for microorganisms such as eliminating bacterias.Antibacterial additives can be located at any position of packaging laminate.For example, working as laminated
When plate includes several layers, antibacterial additives can be located therein in any one layer or any two layers or multilayer in.Work as antibacterial
When additive is located in a certain layer, the inside of a certain layer can be located at, the surface of a certain layer can also be located at.
Packaging laminate includes being located at innermost innermost layer in one of the embodiments, and antibacterial additives are located at most
Internal layer.Wherein, innermost innermost layer refers to that application is the opposite wrapper in the inside of the packing container formed by laminate
The layer of hold-down plate surface, this layer will directly be in contact with the fill material of packing container.
Preferably, the material of innermost layer includes ethene-alpha-olefin copolymer class, i.e. metallocene PE (is once expressed as
M-PE), usually a kind of linear low density polyethylene (m-LLDPE).Compared with common LDPE, the polyethylene one of metallocene polymerization
As have the property such as improved tear resistance and puncture, toughness, impact strength, the transparency, antistick characteristic and heat sealability
Energy.When the material of innermost layer includes ethene-alpha-olefin copolymer class, the integrality and sealing performance of packaging can be improved.
In one of the embodiments, referring to Figure 1, packaging laminate 100 includes the thermoplastic stacked gradually from outside to inside
Property plastic outer layer 110, sandwich layer 120, thermoplastic intermediate adhesive layer 130, barrier layer 140 and thermoplastic internal layer 150,
Thermoplastic internal layer 150 includes the first adhesive part-layer 151, the second intermediate part-layer 152 and the most interior son of third stacked gradually
Layer 153, wherein the first adhesive part-layer 151 is located at 140 inside of barrier layer.Wherein, it refers to from outside to inside by packaging laminate shape
At packing container outside to inside.
It wherein, can be with ink such as printing word trade marks in outer thermoplastic layer 110.The thickness of sandwich layer 120 is larger, energy
Enough play a supporting role.
Wherein, barrier layer 140 is for improving packaging laminate to the barrier property of animal and plant fat.Barrier layer 140 is preferred
Coating including PET film and coated on PET film surface.Wherein, coating is close to thermoplastic internal layer 150.Coating
The preferred aluminium oxide of material.The barrier layer 140 of above-mentioned material is able to use microwave heating, wherein aluminium oxide can also play light-blocking
Effect.Certainly, the material of barrier layer 140 is without being limited thereto.For example, it is also possible to for other materials such as aluminium foils.
More preferably, outer thermoplastic layer 110 is with thermoplastic used in thermoplastic intermediate adhesive layer 130
The low density polyethylene (LDPE) of same or different type.Certainly, it also can be used with the different of similar performance in these layers
Or modified polyolefin is to prepare packaging laminate of the invention.
More preferably, the material of the first adhesive part-layer 151, the second intermediate part-layer 152 and the most interior sublayer 153 of third is identical
Or different types of low density polyethylene (LDPE).It is preferred that the material of the most interior sublayer 153 of third is m-PE.
In addition, the thickness of the first adhesive part-layer 151, the second intermediate part-layer 152 and the most interior sublayer 153 of third can be identical
Or it is different.
More preferably, antibacterial additives are located at the most interior sublayer 153 of third.At this point, directly the third containing antibacterial additives is most
Interior sublayer 153 has antibiotic effect, greatly reduces attachment quantity of the microorganisms such as bacterium in the most interior sublayer 153 of third.And
The most interior sublayer 153 of third is subsequent to be directly in contact with the fill material of packing container, therefore, can effectively reduce fill material
Interior bacterial number.
In one of the embodiments, in the most interior sublayer 153 of third, antibacterial additives account for the most interior sublayer 153 of third and resist
The weight fraction of the weight summation of bacteria additive is 0.008%~2.5%.On the one hand, the most interior sublayer 153 of third can be made to have
Effective anti-microbial property；On the other hand, the integrality and leakproofness for destroying the packaging of the most interior sublayer 153 of third be can be avoided, and
Moderate cost.
More preferably, in the most interior sublayer 153 of third, antibacterial additives account for the weight of third most interior sublayer 153 and antibacterial additives
The weight fraction for measuring summation is 0.08%~0.2%.At this point, the integrality and sealing of the anti-microbial property of antibacterial additives, packaging
Property is all good.
Certainly, the position of antibacterial additives is without being limited thereto.Antibacterial additives can be located at packaging laminate of the invention
Any position of random layer.
Several antibacterial additives are located at the most interior sublayer 153 of third and thermoplastic in one of the embodiments,
Intermediate adhesive layer 130.Antibacterial can not only be carried out to most interior 153 surface of sublayer of third in this way, additionally it is possible to resist to sandwich layer 120
Bacterium effectively reduces the bacterial number of packaging laminate.
Several antibacterial additives are located at the most interior sublayer 153 of third, in thermoplastic in one of the embodiments,
Between adhesive layer 130 and outer thermoplastic layer 110.In this way can respectively to most interior 153 surface of sublayer of third, sandwich layer 120 and
The surface of outer thermoplastic layer 110 carries out antibacterial, can effectively reduce packaging laminate two surfaces and inside it is thin
Bacterium number amount.
Certainly, in other embodiments, several antibacterial additives can also be only positioned at outer thermoplastic layer 110 or heat
Thermoplastic plastic intermediate adhesive layer 130.Specifically, antibacterial additives can be only positioned at outer thermoplastic layer 110 or be only positioned at
Thermoplastic intermediate adhesive layer 130, can also part antibacterial additives be located at outer thermoplastic layer 110, part antibacterial adds
Agent is added to be located at thermoplastic intermediate adhesive layer 130.At this point, antibacterial additives can stop the microorganisms such as extraneous bacterium to pass through
Packaging laminate of the invention, to effectively reduce attachment quantity of the microorganisms such as bacterium on packaging laminate.
Antibacterial additives are Ag in one of the embodiments,.On the one hand there is antibacterial action, on the other hand meet food
The requirement in field.Certainly, antibacterial additives can also be other additives with antibacterial action, for example, other it is organic or
Inorganic antiseptic.Using the packaging laminate of technical solution of the present invention, due to containing antibacterial additives in packaging laminate, so that
Packaging laminate has effects that antibacterial, so that attachment quantity of the microorganisms such as bacterium on packaging laminate is greatly reduced,
Be conducive to be widely applied.
The manufacturing method of the packaging laminate of an embodiment of the present invention includes the steps that adding antibacterial additives.
Packaging laminate includes being located at innermost innermost layer in one of the embodiments, and antibacterial additives are arranged
In innermost layer.Antibacterial additives directly can be set to innermost layer, it can also be by antibacterial additives master batch, such as by antibacterial
Masterbatch is made in additive and the granulation of matrix resin blending extrusion, later by the grain of Masterbatch and the matrix resin for preparing innermost layer
Innermost layer is obtained after sub- blending extrusion coating.
When antibacterial additives and matrix resin blending extrusion are granulated to obtain Masterbatch, it is preferable that antibacterial additives account for
The mass fraction of Masterbatch is 8%~10%.At this point, antibacterial additives are dispersed in matrix resin, can play good
Antibiotic property well, antimicrobial long-acting, and performance is stablized in use.
Fig. 2 is referred to, the manufacturing method of the packaging laminate of an embodiment of the present invention includes the following steps:
S10, sandwich layer is provided.
Sandwich layer can be the state of coiled material, can also be other states.
S11, the side coating thermoplastic plastic outer layer in sandwich layer.
The thickness selection that can according to need is suitable to apply speed.
S12, the other side coating thermoplastic plastics intermediate adhesive layer in sandwich layer, and sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of thermoplastic intermediate adhesive layer and barrier layer.
S13, thermoplastic internal layer is set in the other side of barrier layer, wherein thermoplastic internal layer includes successively applying
The first adhesive part-layer, the second intermediate part-layer and the most interior sublayer of third of cloth.
It is preferred that three sublayers are applied in the barrier layer other side and coextruding and coat three layers in a procedure of processing
I.e. on inside.Each sublayer mutually supports and improves the stability for being extruded melt film at this time, can also will be extruded melt
Temperature be maintained at higher level until the melt film reach substrate barrier layer on, this can improve in turn the first bonding son
Caking property between layer and barrier layer.
Certainly, the first bonding sublayer and the second intermediate part-layer can also be squeezed together, and in a further step most by third
Interior sublayer extrusion coated is in the second intermediate part-layer.
S14, apply antibacterial additives to the most interior sublayer of third, obtain packaging laminate.
Preferably, apply the operation of antibacterial additives to the most interior sublayer of third are as follows: the heating most interior sublayer of third, so that third
Most interior sublayer melting, maintains the most interior sublayer of third of melting at the uniform velocity to move, antibacterial additives is uniformly sprayed onto and at the uniform velocity moves and melts
In the most interior sublayer of the third melted, later cool down to get.
Wherein, heating the most interior sublayer of third to its melting preferably 250 DEG C~300 DEG C of temperature.More preferably, the most interior son of third
The movement speed of layer is 150m/min~900m/min.
Please also refer to Fig. 3, antibacterial additives can be applied to the most interior sublayer of third using feeding device 200.This implementation
The feeding device 200 of mode includes hopper 210 and rotating ball 220.Material, i.e. antibacterial additives can be placed in hopper 210.Rotation
Ball 220 can drive the direction of material vertical arrow along figure to fall when rotating.
Specifically, feeding device 200 to be placed in the surface of the most interior sublayer 153 of third, feeding device 200 is made to keep quiet
Only, while move the most interior sublayer 153 of third horizontal direction of arrow meaning along figure at the uniform velocity to the right.Adjust suitable third most
The movement speed of interior sublayer 153 and the falling speed of antibacterial additives, so that equably to fall on third down most interior for antibacterial additives
In sublayer 153.This addition manner can guarantee that antibacterial additives are uniformly present in the most interior sublayer 153 of third, thus right
The microorganisms such as bacterium play antibacterial action in all directions.
It should be noted that Fig. 3 illustrates only the most interior sublayer 153 of third, but its is without being limited thereto, such as can also include heat
Thermoplastic plastic outer layer, sandwich layer, thermoplastic intermediate adhesive layer, the first adhesive part-layer of barrier layer and thermoplastic internal layer
With the second intermediate part-layer etc..
In addition, in other embodiments, the most interior sublayer 153 of third can also be maintained static, and antibacterial additives is made to exist
It is at the uniform velocity moved in horizontal direction.It is, of course, also possible to the most interior sublayer of third and antibacterial additives while movement be maintained, as long as the two exists
Certain relative moving speed is maintained in horizontal direction, so that antibacterial additives are uniformly added in the most interior sublayer of third.
In addition, it should be noted that, the manufacturing method of packaging laminate of the invention is without being limited thereto.
Fig. 4 is referred to, is included the following steps: in the manufacturing method of the packaging laminate of another embodiment of the present invention
S20, sandwich layer is provided.
S21, the side coating thermoplastic plastic outer layer in sandwich layer.
S22, the other side coating thermoplastic plastics intermediate adhesive layer in sandwich layer, and sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of thermoplastic intermediate adhesive layer and barrier layer.
S23, thermoplastic internal layer is set in the other side of barrier layer, obtains packaging laminate；Wherein, thermoplastic
Internal layer includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the most interior sublayer of third
In be added with antibacterial additives.
In step S23, the step of preparing third most interior sublayer are as follows: the most interior sublayer matrix resin of third is provided and contains antibacterial
The third Masterbatch of additive, it is extrusion coated after the most interior sublayer matrix resin of third is blended with third Masterbatch, obtain
Three most interior sublayer antibacterial additives antibacterial additives.
Wherein, the most interior sublayer matrix resin of third refers to the resin particle for being used to prepare the most interior sublayer of third.Masterbatch
It refers to for antibacterial additives being dispersed in matrix resin and is made condensation product, which is known as Masterbatch.Using color masterbatch
Antibacterial additives are added to matrix resin and obtain packaging laminate by the form of grain, antibacterial additives can be made of the invention
Good antibiotic property, antimicrobial long-acting are played in packaging laminate, and performance is stablized in use.
Fig. 5 is referred to, is included the following steps: in the manufacturing method of the packaging laminate of another embodiment of the present invention
S30, sandwich layer is provided.
S31, the side coating thermoplastic plastic outer layer in sandwich layer.
S32, the other side coating thermoplastic plastics intermediate adhesive layer in sandwich layer, and sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of thermoplastic intermediate adhesive layer and barrier layer.
In step S32, the step of preparing thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer base is provided
Body resin and the second Masterbatch containing antibacterial additives, after thermoplastic intermediate adhesive layer is blended with the second Masterbatch
It is extrusion coated, obtain thermoplastic intermediate adhesive layer.
Wherein, thermoplastic intermediate adhesive layer matrix resin refers to being used to prepare thermoplastic intermediate adhesive layer
Resin particle.
S33, thermoplastic internal layer is set in the other side of barrier layer, wherein thermoplastic internal layer includes successively applying
The first adhesive part-layer, the second intermediate part-layer and the most interior sublayer of third of cloth；Wherein, in the most interior sublayer of third and thermoplastic
Between antibacterial additives are added in adhesive layer.
In step S33, the step of preparing third most interior sublayer are as follows: the most interior sublayer matrix resin of third is provided and contains antibacterial
The third Masterbatch of additive, it is extrusion coated after the most interior sublayer matrix resin of third is blended with third Masterbatch, obtain
Three most interior sublayers.
Wherein, the most interior sublayer matrix resin of third refers to the resin particle for being used to prepare the most interior sublayer of third.
Fig. 6 is referred to, is included the following steps: in the manufacturing method of the packaging laminate of another embodiment of the present invention
S40, sandwich layer is provided.
S41, the side coating thermoplastic plastic outer layer in sandwich layer.
In step S41, the step of preparing outer thermoplastic layer are as follows: provide and outer thermoplastic layer matrix resin and contain
First Masterbatch of antibacterial additives, it is extrusion coated after outer thermoplastic layer matrix resin is blended with the first Masterbatch,
Obtain outer thermoplastic layer.
Wherein, outer thermoplastic layer matrix resin refers to the resin particle for being used to prepare outer thermoplastic layer.
S42, the other side coating thermoplastic plastics intermediate adhesive layer in sandwich layer, and sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of thermoplastic intermediate adhesive layer and barrier layer.
In step S42, the step of preparing thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer base is provided
Body resin and the second Masterbatch containing antibacterial additives, after thermoplastic intermediate adhesive layer is blended with the second Masterbatch
It is extrusion coated, obtain thermoplastic intermediate adhesive layer.
Wherein, thermoplastic intermediate adhesive layer matrix resin refers to being used to prepare thermoplastic intermediate adhesive layer
Resin particle.
S43, thermoplastic internal layer is set in the other side of barrier layer, wherein thermoplastic internal layer includes successively applying
The first adhesive part-layer, the second intermediate part-layer and the most interior sublayer of third of cloth；Wherein, the most interior sublayer of third, in thermoplastic
Between be added with antibacterial additives in adhesive layer and outer thermoplastic layer.
In step S43, the step of preparing third most interior sublayer are as follows: the most interior sublayer matrix resin of third is provided and contains antibacterial
The third Masterbatch of additive, it is extrusion coated after the most interior sublayer matrix resin of third is blended with third Masterbatch, obtain
Three most interior sublayers.
Wherein, the most interior sublayer matrix resin of third refers to the resin particle for being used to prepare the most interior sublayer of third.
Using the manufacturing method of the packaging laminate of technical solution of the present invention, due to adding in packaging laminate added with antibacterial
Add agent, so that packaging laminate has effects that antibacterial, to greatly reduce the microorganisms such as bacterium on packaging laminate
Adhere to quantity, is conducive to be widely applied.
The packing container of an embodiment of the present invention is fabricated by above-mentioned packaging laminate.
Using the packing container of technical solution of the present invention, since the raw material of manufacture packaging laminate includes antibacterial additives,
So that packaging laminate has effects that antibacterial, to greatly reduce attachment number of the microorganisms such as bacterium on packaging laminate
Amount, is conducive to be widely applied.
It is below specific embodiment
The packaging laminate 100 used in several tests below includes outside the thermoplastic stacked gradually from outside to inside
Layer 110 (LDPE), sandwich layer 120 (core layer), thermoplastic intermediate adhesive layer 130 (LDPE), barrier layer 140 (PET film+
Aluminum oxide coating layer) and thermoplastic internal layer 150, thermoplastic internal layer 150 includes the first adhesive part-layer stacked gradually
The most interior 153 (mass ratio of LDPE+mPE, LDPE and mPE of sublayer of 151 (LDPE), the second intermediate part-layer 152 (LDPE) and third
For 7:3), wherein the first adhesive part-layer 151 is located at 140 inside of barrier layer.Wherein, antibacterial additives Ag, and it is located at third most
Interior sublayer 153.
Test 1 anti-microbial property test
Standard sample title: (antibacterial additives Ag accounts for the most interior sublayer of third to CC10277887BG in PE and antibacterial is added
0.2%) weight fraction of the weight summation of agent is
Control sample: it is provided by the laboratory ü V T.
Measure bacterium: bacillus subtilis (ATCC 6633)
Test method: it is tested according to Japanese Industrial Standards (JIS Z 2801-2010), while respectively in standard sample
Cultivate bacillus subtilis with the surface of control sample, examination criteria sample contact bacillus subtilis for 24 hours after active bacterium number
Mesh and control sample contact bacillus subtilis 0h and for 24 hours after active bacteria number.
Anti-microbial property test is carried out to above-mentioned standard sample and control sample respectively, it is as shown in table 1 to obtain test result:
The anti-microbial property test result of 1 CC10277887BG in PE of table
Remarks: active bacteria number when not contacting bacillus subtilis 0h to standard sample in test 1 detects, theoretical
Above it is identical as microorganism level when control sample contact bacillus subtilis 0h, is 4.1 or so.
As it can be seen from table 1 after control sample contacts bacillus subtilis for 24 hours, the average log value of active bacteria number
Increase to 6.0 from 4.1, and standard sample contact bacillus subtilis for 24 hours after, the average log value of active bacteria number is from 4.1
It reduces to 2.3.Wherein, anti-microbial property 3.7.Above-mentioned entirety shows in the PE particle of the most interior sublayer of third of packaging laminate
After adding antibacterial additives, certain anti-microbial property is made it have.
Test the detection of 2 cardboard Microbiological Labs
Each product of test 2 and the information of material are as shown in table 2:
The product information of the test of table 22
Test method: Masterbatch is provided, extruding pelletization obtains after Masterbatch is blended by Ag and PE particle.In laminated
1%, 2% Masterbatch is mixed in the PE particle of the most interior sublayer of the third of plate respectively, PE particle is squeezed with Masterbatch by being blended
Coating forms the most interior sublayer of third out, and with other layer it is compound, obtain packaging laminate.Test micro- life of different sample surfaces
Object.
By above-mentioned test, data shown in table 3 are obtained:
The test result of the test of table 32
From table 3 it can be seen that when being mixed with 1% or 2% respectively in the PE particle of the most interior sublayer of third of packaging laminate
Masterbatch when, group's sums of the microorganisms such as bacterium, mould, yeast of the most interior sub-layer surface of the third of unit area is 0.And
When being free of color grain (i.e. Masterbatch ratio is 0%) in the PE particle of the most interior sublayer of the third of packaging laminate, unit plane
Group's sum of the microorganisms such as bacterium, mould, the yeast of the most interior sub-layer surface of long-pending third is 1 or 2.This shows to wrapper
Addition antibacterial additives can obviously improve the microorganism grade of packaging laminate in the most interior sublayer of the third of pressing plate, antibacterial effect compared with
It is good.
Test 3 filling tests
Test product: the plain chocolate packaging material of CB7-250
Bottle placer speed: 24000 packets/hour
Packing box after filling is detected, wherein it is identical as the Masterbatch of test 2 to test 3 Masterbatch, obtains table
Data shown in 4:
The test result of the test of table 43
From table 4, it can be seen that when being mixed with 1% or 2% Masterbatch respectively in the internal layer PE particle of packaging laminate,
The negligible amounts of rascal.And when without color grain, (i.e. the mass fraction of Masterbatch is in the internal layer PE particle of packaging laminate
0%) when, rascal quantity is more, and rascal quantity is 3~5 times of packaging laminate that Masterbatch is mixed in raw material.This show to
Addition antibacterial additives can obviously reduce the micro organism quantity of packaging laminate, antibacterial in the most interior sublayer of the third of packaging laminate
Effect is preferable.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (20)
1. a kind of packaging laminate, which is characterized in that contain antibacterial additives in the packaging laminate.
2. packaging laminate according to claim 1, which is characterized in that the packaging laminate includes positioned at innermost
Innermost layer, the antibacterial additives are located at the innermost layer.
3. packaging laminate according to claim 1, which is characterized in that the packaging laminate includes from outside to inside successively
Outer thermoplastic layer, sandwich layer, thermoplastic intermediate adhesive layer, barrier layer and the thermoplastic internal layer of stacking, it is described
Thermoplastic internal layer includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third stacked gradually, wherein institute
The first adhesive part-layer is stated to be located on the inside of the barrier layer.
4. packaging laminate according to claim 3, which is characterized in that it is most interior that the antibacterial additives are located at the third
Sublayer.
5. packaging laminate according to claim 4, which is characterized in that the antibacterial additives account for the most interior son of the third
Layer and the weight fraction of the weight summation of antibacterial additives are 0.008%~2.5%.
6. packaging laminate according to claim 4 or 5, which is characterized in that the antibacterial additives account for the third most
The weight fraction of interior sublayer and the weight summation of antibacterial additives is 0.08%~0.2%.
7. packaging laminate according to claim 3, which is characterized in that several antibacterial additives are located at described
The most interior sublayer of third and the thermoplastic intermediate adhesive layer.
8. packaging laminate according to claim 3, which is characterized in that several antibacterial additives are located at described
The most interior sublayer of third, the thermoplastic intermediate adhesive layer and the outer thermoplastic layer.
9. packaging laminate according to claim 1, which is characterized in that the antibacterial additives are Ag.
10. a kind of manufacturing method of packaging laminate, which is characterized in that include the steps that adding antibacterial additives.
11. the manufacturing method of packaging laminate according to claim 10, which is characterized in that the packaging laminate includes
Positioned at innermost innermost layer, the antibacterial additives are set to the innermost layer.
12. the manufacturing method of packaging laminate according to claim 10, which comprises the steps of:
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplastic
Internal layer includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third is most interior
Antibacterial additives are added in sublayer.
13. the manufacturing method of packaging laminate according to claim 12, which is characterized in that prepare the most interior son of the third
The step of layer are as follows: provide the most interior sublayer matrix resin of third and the third Masterbatch containing antibacterial additives, most by the third
Interior sublayer matrix resin is extrusion coated after being blended with the third Masterbatch, obtains the most interior sublayer of third.
14. the manufacturing method of packaging laminate according to claim 10, which comprises the steps of:
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplastic
Internal layer includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third is most interior
Antibacterial additives are added in sublayer and the thermoplastic intermediate adhesive layer.
15. the manufacturing method of packaging laminate according to claim 14, which is characterized in that prepare the most interior son of the third
The step of layer are as follows: provide the most interior sublayer matrix resin of third and the third Masterbatch containing antibacterial additives, most by the third
Interior sublayer matrix resin is extrusion coated after being blended with the third Masterbatch, obtains the most interior sublayer of third；
The step of preparing the thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer matrix resin is provided and is contained
There is the second Masterbatch of antibacterial additives, is squeezed after the thermoplastic intermediate adhesive layer is blended with second Masterbatch
It is coated with out, obtains thermoplastic intermediate adhesive layer.
16. the manufacturing method of packaging laminate according to claim 10, which comprises the steps of:
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；And
Thermoplastic internal layer is set in the other side of the barrier layer, obtains packaging laminate；Wherein, the thermoplastic
Internal layer includes the most interior sublayer of the first adhesive part-layer, the second intermediate part-layer and third being successively coated with；Wherein, the third is most interior
Antibacterial additives are added in sublayer, the thermoplastic intermediate adhesive layer and the outer thermoplastic layer.
17. the manufacturing method of packaging laminate according to claim 16, which is characterized in that prepare the most interior son of the third
The step of layer are as follows: provide the most interior sublayer matrix resin of third and the third Masterbatch containing antibacterial additives, most by the third
Interior sublayer matrix resin is extrusion coated after being blended with the third Masterbatch, obtains the most interior sublayer of third；
The step of preparing the thermoplastic intermediate adhesive layer are as follows: thermoplastic intermediate adhesive layer matrix resin is provided and is contained
There is the second Masterbatch of antibacterial additives, is squeezed after the thermoplastic intermediate adhesive layer is blended with second Masterbatch
It is coated with out, obtains thermoplastic intermediate adhesive layer；
The step of preparing the outer thermoplastic layer are as follows: outer thermoplastic layer matrix resin is provided and contains antibacterial additives
The first Masterbatch, it is extrusion coated after the outer thermoplastic layer matrix resin is blended with first Masterbatch, obtain
To outer thermoplastic layer.
18. the manufacturing method of packaging laminate according to claim 10, which comprises the steps of:
Sandwich layer is provided；
In the side coating thermoplastic plastic outer layer of the sandwich layer；
In the other side coating thermoplastic plastics intermediate adhesive layer of the sandwich layer, and the sandwich layer is pressed into a barrier layer simultaneously
On, make a side contacts of the thermoplastic intermediate adhesive layer Yu the barrier layer；
Thermoplastic internal layer is set in the other side of the barrier layer, wherein the thermoplastic internal layer includes successively applying
The first adhesive part-layer, the second intermediate part-layer and the most interior sublayer of third of cloth；And
Apply antibacterial additives to the most interior sublayer of the third, obtains packaging laminate.
19. the manufacturing method of packaging laminate according to claim 18, which is characterized in that the most interior sublayer of Xiang Suoshu third
Apply the operation of antibacterial additives are as follows: the most interior sublayer of the third is heated, so that the most interior sublayer melting of the third, maintains melting
The most interior sublayer of the third at the uniform velocity move, antibacterial additives are uniformly sprayed onto the most interior son of the third at the uniform velocity moving and melting
On layer, later cool down to get.
20. a kind of packing container, which is characterized in that manufactured by packaging laminate according to any one of claims 1 to 9 and
At.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094911.8A CN109822991A (en) | 2019-01-31 | 2019-01-31 | Packaging laminate, the manufacturing method of packaging laminate and packing container |
| PCT/CN2019/085297 WO2020155449A1 (en) | 2019-01-31 | 2019-04-30 | Packaging laminated plate, manufacturing method for packaging laminated plate, and packaging container |
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|---|---|---|---|
| CN201910094911.8A CN109822991A (en) | 2019-01-31 | 2019-01-31 | Packaging laminate, the manufacturing method of packaging laminate and packing container |
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| JP2006273369A (en) * | 2005-03-29 | 2006-10-12 | Toppan Printing Co Ltd | Transparent barrier laminate |
| CN104527145B (en) * | 2015-01-13 | 2017-05-10 | 正业包装（中山）有限公司 | High-strength and high-pressure-resistance composite paperboard |
| US11654662B2 (en) * | 2015-11-27 | 2023-05-23 | Tetra Laval Holdings & Finance S.A. | Laminated packaging material, packaging containers manufactured therefrom |
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| CN1652934A (en) * | 2002-05-07 | 2005-08-10 | 利乐拉瓦尔集团及财务有限公司 | Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate |
| CN100537225C (en) * | 2002-05-07 | 2009-09-09 | 利乐拉瓦尔集团及财务有限公司 | Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate |
| CN103448336A (en) * | 2013-08-23 | 2013-12-18 | 吴江市英力达塑料包装有限公司 | Antibacterial packaging film and preparation method thereof |
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