CN109968753A - Universal easy-to-tear film and its processing method and production line - Google Patents
Universal easy-to-tear film and its processing method and production line Download PDFInfo
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- CN109968753A CN109968753A CN201711067178.8A CN201711067178A CN109968753A CN 109968753 A CN109968753 A CN 109968753A CN 201711067178 A CN201711067178 A CN 201711067178A CN 109968753 A CN109968753 A CN 109968753A
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- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 69
- 239000002344 surface layer Substances 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 238000000227 grinding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000010147 laser engraving Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- 229910010271 silicon carbide Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 229920006266 Vinyl film Polymers 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer 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 shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
- B32B3/20—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side of hollow pieces, e.g. tubes; of pieces with channels or cavities
-
- 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 shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- 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
- 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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of universal easy-to-tear films, it is characterised in that: it successively includes easily tore film layer, adhesive layer, interior surface layers from top to bottom；The easily tore film layer is BOPE film, and the interior surface layers are VMPE film, and the top surface of the easily tore film layer has multiple pits.The processing method of the universal easy-to-tear film is the following steps are included: a, in the top surface of easily tore film layer extrude multiple pits；B, above-mentioned easily tore film layer bottom surface and interior surface layers is compound.Its production line successively includes the first unreeling structure, the second unreeling structure, composite structure and rolling-up mechanism, it is characterised in that: be additionally provided with pit formation mechanism between first unreeling structure and composite structure.The present invention is due to forming multiple pits in the top surface of easily tore film layer, so that universal easy-to-tear film is easy to be torn by user along any direction, since easily tore film layer is BOPE film, interior surface layers are VMPE film, so that universal easy-to-tear film can be recovered after and utilize again, the adverse effect generated to environment can be greatly reduced.
Description
Technical field
The present invention relates to a kind of universal easy-to-tear films, and in particular to a kind of universal easy-to-tear film and its processing method and production
Line.
Background technique
Currently, the packaging of many materials (predominantly powder, liquid), the packaging of especially a small amount of material, for the ease of making
User opens, and is equipped with one in a side of packaging and easily tears seam.But although this design solves the problems, such as the unlatching of packaging,
But this easily tear seam limit user open packaging position, once and easily tear seam position there is deviation, be easy to cause
Packaging leakage.
For this purpose, someone, which has developed the easy of a variety of materials, tears laminated film, but these easily tear laminated films due to using
Material can not recycle and utilize again, therefore after using, once being dropped, can cause environmental pollution.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of universal easy-to-tear film, this universal easy-to-tear film can be allowed
User tears packaging at an arbitrary position, and can be recovered after and utilize again.The technical solution adopted is as follows:
A kind of universal easy-to-tear film, it is characterised in that: from top to bottom successively include easily tore film layer, adhesive layer, interior surface layers；Institute
Stating easily tore film layer is BOPE film (Biaxial tension polyethylene film), and the interior surface layers are VMPE film, the top of the easily tore film layer
Face has multiple pits.The BOPE is the abbreviation of Biaxially Oriented Polyethylene, i.e. the poly- second of biaxial tension
Alkene film is to use PE raw material, more poly- than what former blow molding or casting method produced made of laterally gradually stretching behind first longitudinal direction
Vinyl film has greatly improved in terms of physical property, and transparency is high, and heat sealability, moisture resistance is good, vertical, horizontal tensile strength
It is good, and have many advantages, such as damp proof and foldability.Especially in the case where thickness reduces 50%, key performance still reaches other poly-
The performance of vinyl film.The VMPE refers to polyethylene aluminizer (VMPE).The spy of the existing plastic film of polyethylene aluminizer
Property, and the characteristic with metal.The effect that film surface is aluminized is shading, resisting ultraviolet radiation, has both extended the guarantor of content
The matter phase, and the brightness of film is improved, to a certain extent instead of aluminium foil, it may have inexpensive, beautiful and preferable barrier property
Can, therefore, polyethylene aluminizer in composite packaging using very extensive, be mainly used in that biscuit etc. is dry, extruding at present
In food packaging and some medical, cosmetics outer packings.
Preferably scheme, the multiple pit is covered with the top surface of easily tore film layer, and multiple pits are on the top of easily tore film layer
Face is uniformly distributed.
More optimal solution, the aperture of the pit are 0.06-1 microns, and the density of pit is 2000-6000/squares lis
Rice (that is every square centimeter to have 2000-6000 pit), the depth of pit are 1-20 microns.
Preferably scheme, the easily tore film layer with a thickness of 12-45 microns, adhesive layer with a thickness of 1-3 microns, interior table
Surface layer with a thickness of 20-100 microns.
More optimal solution, the easily tore film layer with a thickness of 15-25 microns, adhesive layer with a thickness of 1-2 microns, interior table
Surface layer with a thickness of 30-60 microns.
More optimal solution, the thickness of the interior surface layers are greater than the depth of pit.
The top surface of preferably scheme, the easily tore film layer has printing ink layer.
Preferably scheme, the adhesive layer are solvent adhesive or solvent-free glue.
Second purpose of the application is to provide a kind of processing method of above-mentioned universal easy-to-tear film, the technical side of use
Case is as follows:
The processing method of the universal easy-to-tear film the following steps are included:
A, multiple pits are extruded in the top surface of easily tore film layer；
B, above-mentioned easily tore film layer bottom surface and interior surface layers is compound.
Preferably scheme, the processing method further include pre-treatment step, print in the top surface of easily tore film layer, form printing
Ink layer.
The first scheme, the step a are to be squeezed using grinding wheel and roller easily tore film layer, are pressed in the top surface of easily tore film layer
Multiple pits out.
Second scheme, the step a are that the pressure roller that multiple convex blocks are equipped with using surface and roller squeeze easily tore film layer,
Multiple pits are extruded in the top surface of easily tore film layer.
The third scheme, the step a are the methods using laser engraving, are formed in the top surface of easily tore film layer multiple recessed
Hole.
Preferably scheme, the step b then the specific steps are lead in the bottom-surface coated composite glue of easily tore film layer
It crosses drying box 5 to be cured, finally by itself and interior surface layers hot pressing, universal easy-to-tear film is made.
The third purpose of the application is to provide a kind of production line of above-mentioned universal easy-to-tear film, the technical solution of use
It is as follows:
The production line of the universal easy-to-tear film successively includes the first unreeling structure, the second unreeling structure, composite structure and winder
Structure, it is characterised in that: be additionally provided with pit formation mechanism between first unreeling structure and composite structure.
The first scheme, the pit formation mechanism include grinding wheel and roller, and the grinding wheel is in rolling contact with roller.
Second scheme, the pit formation mechanism include the pressure roller that roller and surface are equipped with multiple convex blocks, the pressure roller
It is in rolling contact with roller.
The third scheme, the pit formation mechanism are laser engraving machine.
Compared with the prior art, the beneficial effect of the present invention is that due to forming multiple pits in the top surface of easily tore film layer, so that
Universal easy-to-tear film is easy to be torn by user along any direction, and since easily tore film layer is BOPE film, interior surface layers are VMPE film,
So that universal easy-to-tear film can be recovered after and utilize again, the adverse effect generated to environment can be greatly reduced.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the universal easy-to-tear film of the embodiment of the present invention 1；
Fig. 2 is the top view of easily tore film layer in Fig. 1；
Fig. 3 is the enlarged drawing in the area Tu1Zhong A；
Fig. 4 is the structural schematic diagram of production line in the embodiment of the present invention 1；
Fig. 5 is the structural schematic diagram of Fig. 1 medium plain emery wheel and roller；
Fig. 6 is the structural schematic diagram of production line in the embodiment of the present invention 2.
Specific embodiment
Embodiment 1
As shown in Figure 1-3, the universal easy-to-tear film 1 in the present embodiment, successively includes easily tore film layer 2, adhesive layer from top to bottom
4, interior surface layers 5；The easily tore film layer 2 is BOPE film (Biaxial tension polyethylene film), and the interior surface layers 5 are VMPE film
The top surface of (polyethylene aluminizer), the easily tore film layer 2 has multiple pits 3.
The multiple pit 3 is covered with the top surface of easily tore film layer 2, and multiple pits 3 uniformly divide in the top surface of easily tore film layer 2
Cloth.
The aperture of the pit is 0.06 micron, and the density of pit is (that is every square li of 6000/square centimeter
Rice has 6000 pits), the depth of pit is 1.8 microns.
The easily tore film layer with a thickness of 12 microns, adhesive layer with a thickness of 1 micron, interior surface layers it is micro- with a thickness of 20
Rice.
The adhesive layer 4 is solvent adhesive, and the solvent adhesive selected in the present embodiment is DIC LX-516 KW-75E.
The processing method of above-mentioned universal easy-to-tear film, the processing method of the universal easy-to-tear film the following steps are included:
A, multiple pits are extruded in the top surface of easily tore film layer；
B, above-mentioned easily tore film layer bottom surface and interior surface layers is compound.
The step a is to be squeezed using grinding wheel and roller easily tore film layer 2, is extruded in the top surface of easily tore film layer 2 multiple recessed
Hole 3.
The step b the specific steps are in the bottom-surface coated composite glue (i.e. solvent adhesive) of above-mentioned easily tore film layer 2, so
It is cured afterwards by drying box, finally by itself and 5 hot pressing of interior surface layers, universal easy-to-tear film 1 is made.
As shown in Figure 4,5, a kind of production line 6 of above-mentioned universal easy-to-tear film successively includes the first unreeling structure 601, the
Two unreeling structures 604, composite structure 603 and rolling-up mechanism 605, between first unreeling structure 601 and composite structure 603 also
Equipped with pit formation mechanism 602.
The pit formation mechanism 602 includes grinding wheel 6021 and roller 6022, and the grinding wheel 6021 is rolled with roller 6022
Contact, the grinding wheel 6021 include grinding wheel ontology 60211 and the diamond dust bump layer positioned at the outer surface of grinding wheel ontology 60211
60211,60211 outer circumference surface of diamond dust bump layer is multiple to extrude the convex block of pit 3 (i.e. in the top surface of easily tore film layer 2
Particles of silicon carbide).The diamond dust bump layer 60211 is made of multiple particles of silicon carbide and polyurethane two-component glue.?
When liquid, polyurethane two-component glue is coated in outer surface (the i.e. particles of silicon carbide of 60211 outer surface of grinding wheel ontology of grinding wheel
Surface) on, the diamond dust bump layer 60211 is formed by curing after being then placed in curing room 24 hours, this makes particles of silicon carbide not
It being easy to fall off, this scheme cost is minimum, but since particles of silicon carbide size not can guarantee identical, the ruler of pit
Very little, size, distribution situation are not so good as other two schemes, and stable product quality is not high enough.
The course of work is introduced below with reference to Fig. 4,5:
1, BOPE film is sent out from the first unreeling structure 601, by between grinding wheel 6021 and roller 6022, being forced out pit 3, is processed
Top surface has the BOPE film of pit 3 out；
2, above-mentioned top surface has the BOPE film of pit 3 by coating mechanism, in the top surface there is the bottom surface of the BOPE film of pit 3 to apply
After cloth composite glue (solvent adhesive), then passes through drying box 5 and cured, the BOPE film cured；VMPE film is unreeled from second
Mechanism 604 is sent out, compound in composite structure 603 with the bottom surface of the BOPE film after above-mentioned curing, obtains universal easy-to-tear film 1, should
Universal easy-to-tear film 1 is wound by rolling-up mechanism 605.
Embodiment 2
As shown in fig. 6, universal easy-to-tear film in the present embodiment the difference from embodiment 1 is that:
The top surface of the easily tore film layer has printing ink layer.
The aperture of the pit is 1 micron, and the density of pit 3 is that 2000/square centimeter are (that is every square centimeter
Have 2000 pits 3), the depth of pit 3 is 20 microns.
The easily tore film layer 2 with a thickness of 45 microns, adhesive layer 4 with a thickness of 3 microns, interior surface layers 5 with a thickness of
100 microns.
The adhesive layer 4 is solvent-free glue, and what is selected in the present embodiment is that Hensel steps 7808 host agents, 60906 curing agent.
The processing method further includes pre-treatment step, prints in the top surface of easily tore film layer 2, forms printing ink layer.
Printing mechanism 606 is additionally provided between the pit formation mechanism 602 and the first unreeling structure 601.
The pit formation mechanism 602 replaces grinding wheel, the pressure roller and roller using the pressure roller that surface is equipped with multiple convex blocks
It is in rolling contact.The pressure roller that surface is equipped with multiple convex blocks generallys use metal material and is made, using processing methods such as mechanical or laser
Convex block is extruded on the outer circumference surface of pressure roller, therefore this method preferably can avoid convex block from falling off, and convex block extrusion
Pit is more regular, is more evenly distributed, so that the quality of product is more stable, but cost is higher.
Embodiment 3
Universal easy-to-tear film in the present embodiment the difference from embodiment 1 is that:
The top surface of the easily tore film layer 2 has printing ink layer.
The aperture of the pit 3 is 0.6 micron, and the density of pit 3 is (that is every square of 4000/square centimeter
Centimetre have 4000 pits 3), the depth of pit 3 is 10 microns.
The easily tore film layer 2 with a thickness of 25 microns, adhesive layer 4 with a thickness of 2 microns, interior surface layers 5 with a thickness of
60 microns.
The adhesive layer 4 is solvent-free glue, and what is selected in the present embodiment is that Hensel steps 7808 host agents, 60906 curing agent.
The processing method further includes pre-treatment step, prints in the top surface of easily tore film layer, forms printing ink layer.
The pit formation mechanism 602 is laser engraving machine.Directly adopt and laser machine out pit, pit size, shape,
Size, distribution etc. can change at any time as needed, and applied widely, product quality is more secure, but higher cost.
Embodiment 4
Universal easy-to-tear film 1 in the present embodiment the difference from embodiment 1 is that:
The aperture of the pit 3 is 0.4 micron, and the density of pit 3 is that 3000/square centimeter are (that is every square centimeter
Have 3000 pits 3), the depth of pit 3 is 8 microns.
The easily tore film layer 2 with a thickness of 15 microns, adhesive layer 4 with a thickness of 1.5 microns, the thickness of interior surface layers 5
It is 30 microns.
The adhesive layer 4 is solvent-free glue, and what is selected in the present embodiment is that Hensel steps 7808 host agents, 60906 curing agent.
The foregoing is merely several preferred embodiments of the invention, practical range not for the purpose of limiting the invention；It is i.e. all
The equivalents that scope of the claims under this invention is done are that scope of the invention as claimed is covered.
Claims (10)
1. a kind of universal easy-to-tear film, it is characterised in that: from top to bottom successively include easily tore film layer, adhesive layer, interior surface layers；
The easily tore film layer is BOPE film, and the interior surface layers are VMPE film, and the top surface of the easily tore film layer has multiple pits.
2. universal easy-to-tear film as described in claim 1, it is characterised in that: the multiple pit is covered with the top of easily tore film layer
Face, and multiple pits are uniformly distributed in the top surface of easily tore film layer.
3. universal easy-to-tear film as described in claim 1, it is characterised in that: the aperture of the pit is 0.06-1 microns, recessed
The density in hole is 2000-6000/square centimeter, and the depth of pit is 1-20 microns.
4. universal easy-to-tear film as described in claim 1, it is characterised in that: the easily tore film layer with a thickness of 12-45 microns,
Adhesive layer with a thickness of 1-3 microns, interior surface layers with a thickness of 20-100 microns.
5. the processing method of universal easy-to-tear film as described in claim 1, it is characterised in that: the following steps are included:
A, multiple pits are extruded in the top surface of easily tore film layer；
B, above-mentioned easily tore film layer bottom surface and interior surface layers is compound.
6. the processing method of universal easy-to-tear film as claimed in claim 5, it is characterised in that: the step a is using grinding wheel
Easily tore film layer is squeezed with roller, extrudes multiple pits in the top surface of easily tore film layer.
7. the processing method of universal easy-to-tear film as claimed in claim 5, it is characterised in that: the step a is using surface
Pressure roller and roller equipped with multiple convex blocks squeeze easily tore film layer, extrude multiple pits in the top surface of easily tore film layer.
8. the processing method of universal easy-to-tear film as claimed in claim 5, it is characterised in that: the step a is using laser
The method of engraving forms multiple pits in the top surface of easily tore film layer.
9. the production line of universal easy-to-tear film as described in claim 1, it is characterised in that: successively include the first unreeling structure, the
Two unreeling structures, composite structure and rolling-up mechanism, it is characterised in that: be additionally provided between first unreeling structure and composite structure
Pit formation mechanism.
10. the production line of universal easy-to-tear film as claimed in claim 9, it is characterised in that: the pit formation mechanism includes
Grinding wheel and roller, the grinding wheel are in rolling contact with roller；Or that include roller be equipped with the pit formation mechanism with surface is multiple
The pressure roller of convex block, the pressure roller are in rolling contact with roller；Or the pit formation mechanism is laser engraving machine.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067178.8A CN109968753A (en) | 2017-11-03 | 2017-11-03 | Universal easy-to-tear film and its processing method and production line |
| AU2018360121A AU2018360121A1 (en) | 2017-11-03 | 2018-03-23 | Universal easy-to-tear thin film and processing method and production line therefor |
| PCT/CN2018/080215 WO2019085375A1 (en) | 2017-11-03 | 2018-03-23 | Universal easy-to-tear thin film and processing method and production line therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711067178.8A CN109968753A (en) | 2017-11-03 | 2017-11-03 | Universal easy-to-tear film and its processing method and production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109968753A true CN109968753A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711067178.8A Pending CN109968753A (en) | 2017-11-03 | 2017-11-03 | Universal easy-to-tear film and its processing method and production line |
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| Country | Link |
|---|---|
| CN (1) | CN109968753A (en) |
| AU (1) | AU2018360121A1 (en) |
| WO (1) | WO2019085375A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227816A (en) * | 2021-12-08 | 2022-03-25 | 金华市恒宇包装有限公司 | Preparation method of environment-friendly PE easy-to-tear packaging film |
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|---|---|---|---|---|
| CN1124201A (en) * | 1994-03-25 | 1996-06-12 | 加川清二 | Easily tearable laminated film and method of manufacturing the same |
| CN101269555A (en) * | 2008-03-12 | 2008-09-24 | 上海人民塑料印刷厂 | Metal can packing material and method of manufacturing the same |
| CN202753527U (en) * | 2012-04-23 | 2013-02-27 | 曾聪 | Easily-torn composite film |
| CN107030783A (en) * | 2017-04-11 | 2017-08-11 | 山东金永包装股份有限公司 | A kind of preparation method of multidirectional easy-to-tear film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192564B (en) * | 2013-04-15 | 2015-07-08 | 黄山永新股份有限公司 | Shredded composite packaging film in arbitrary direction and preparation method thereof |
| CN106147635A (en) * | 2015-03-31 | 2016-11-23 | 常熟市新明宇塑胶有限公司 | A kind of antioxidation environmental protection type protecting film and preparation technology thereof |
| CN206242631U (en) * | 2017-03-13 | 2017-06-13 | 上海海顺新型药用包装材料股份有限公司 | Rice packaging composite membrane |
-
2017
- 2017-11-03 CN CN201711067178.8A patent/CN109968753A/en active Pending
-
2018
- 2018-03-23 WO PCT/CN2018/080215 patent/WO2019085375A1/en active Application Filing
- 2018-03-23 AU AU2018360121A patent/AU2018360121A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124201A (en) * | 1994-03-25 | 1996-06-12 | 加川清二 | Easily tearable laminated film and method of manufacturing the same |
| CN101269555A (en) * | 2008-03-12 | 2008-09-24 | 上海人民塑料印刷厂 | Metal can packing material and method of manufacturing the same |
| CN202753527U (en) * | 2012-04-23 | 2013-02-27 | 曾聪 | Easily-torn composite film |
| CN107030783A (en) * | 2017-04-11 | 2017-08-11 | 山东金永包装股份有限公司 | A kind of preparation method of multidirectional easy-to-tear film |
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| 王桂英等: "《包装材料学》", 30 June 2009, 东北林业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227816A (en) * | 2021-12-08 | 2022-03-25 | 金华市恒宇包装有限公司 | Preparation method of environment-friendly PE easy-to-tear packaging film |
| CN114227816B (en) * | 2021-12-08 | 2022-08-23 | 金华市恒宇包装有限公司 | Preparation method of environment-friendly PE easy-to-tear packaging film |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2018360121A1 (en) | 2020-05-14 |
| WO2019085375A1 (en) | 2019-05-09 |
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Application publication date: 20190705 |