CN207859633U - Modified three layers of compound PE films - Google Patents
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Abstract
The utility model is related to a kind of compound PE films of three layers of modification, are divided into upper layer, middle layer and lower layer；Middle layer is set between the upper and lower；Upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, on upper layer, upper layer waterproof layer is arranged in the upper surface of base, on upper layer, upper layer convexity layer is arranged in the lower surface of base, and upper layer convexity layer is the trapezoidal bulge-structure for being uniformly distributed isosceles trapezoid, and temperature-sensitive reversible color microcapsules are provided in the gap between the trapezoidal bulge-structure of the isosceles trapezoid of adjacent upper layer convexity layer.The utility model realizes one piece of PE films tool, and there are two types of the patterns of reversible color, and all changeable colours can be had up and down by realizing PE films itself.
Description
Technical field
The utility model is related to technical field of membrane, specifically, a kind of compound PE films of three layers of modification.
Background technology
Chinese Patent Application No. 201610408715.X discloses a kind of antistatic PE films and preparation method thereof, it is desirable to provide
A kind of antistatic PE films and preparation method thereof with good antistatic property, its key points of the technical solution are that electrostatic PE films
Include surface layer film, mesopelagic layer and underlying membrane successively from top to bottom, is 1 by content ratio：3 LDPE polyethylene particles and LLDPE
Polyethylene particle, the antistatic agent for accounting for mesopelagic layer total amount of material 3~5%, the softening agent for accounting for mesopelagic layer total amount of material 1~2% are mixed
Merging stirs and antistatic PE films is made by three-layer co-extruded, and this antistatic PE films are in addition to common PE film corrosion resistant
Outside the performances such as erosion, endurance, wear-resistant, anti-impact pressure, it is also equipped with preferable flexibility and antistatic effect, to the body of user
Influence is smaller, also has better mechanical strength, environmental stress crack resistance, impact strength, tear-resistant intensity, higher soft
With degree, smoothness and more preferably feel, and its production method is simple, of low cost, widely used.
Chinese Patent Application No. 201610518537.6 discloses a kind of PE films and preparation method thereof, and raw material is：PE, tristearin
Sour list glyceride, tween, LDPE, LLDPE, irgasfos 168, zinc stearate, atoleine, carbon black and magnesium sulfate；Product is torn
Intensity 110-130kN/m, tensile strength 23-25MPa；Elongation 530-550%, anti-droplet number of days 150-170 days；The transparency,
Flexibility and elastic recovery are good, and raw material is simple and easy to get, and preparation method is simple, and shock resistance energy 1.5-1.7J can be produced extensively
And constantly replace current material.
The thin film exterior layer that Chinese Patent Application No. 201610398220.3 is related to the PE films of high transparency is including 89 parts of density
0.918g/cm3Metallocene LLDPE, LDPE and 1 part of processing aid that 10 parts of density are 0.924, film middle level includes 74 parts close
Degree is 0.924g/cm3Metallocene LLDPE, the metallocene LLDPE that 25 parts of density are 0.918 and 1 part of processing aid；In film
Layer includes that density is 0.918g/cm3LLDPE88 parts of metallocene, density be 0.924 LDPE10 parts and 2 parts of opening agent；LDPE
Melting means be 1.7-2.2g/10min, density 0.924g/cm3, the melting means of processing aid is 15 ± 5g/10min, and density is
The melting means of 0.92g/cm3, opening agent are 30g/10min, density 1.0g/cm3.The PE films transparency of the present invention is high, and intensity is high.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of compound PE films of three layers of modification.
The purpose of this utility model is achieved through the following technical solutions：
A kind of compound PE films of three layers of modification, are divided into upper layer, middle layer and lower layer；It is arranged between the upper and lower intermediate
Layer；Upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, the upper table of base on upper layer
Upper layer waterproof layer is arranged in face, and on upper layer, upper layer convexity layer is arranged in the lower surface of base；Upper layer convexity layer is to be uniformly distributed isosceles ladder
The trapezoidal bulge-structure of shape is provided in the gap between the trapezoidal bulge-structure of the adjacent isosceles trapezoid of upper layer convexity layer
Temperature-sensitive reversible color microcapsules.
The lower layer is divided into lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, lower layer's waterproof layer；In lower layer's base
The upper surface setting lower layer convexity layer of layer, in the lower surface of lower layer's convexity layer setting lower layer waterproof layer；The upper surface of middle layer with
Upper layer convexity layer bonding, lower surface and the lower layer's convexity layer bonding of middle layer.
Upper layer, middle layer and lower layer carry out bonding connection between each layer by adhesive bonding.
The upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer；Upper
Upper layer convexity layer is arranged in the lower surface of layer base, and on upper layer, upper layer waterproof layer is arranged in the upper surface of base；The lower layer is divided into
Lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, in the upper surface of base of lower layer setting lower layer convexity layer；Middle layer
Upper surface is bonded with upper layer convexity layer, lower surface and the lower layer's convexity layer bonding of middle layer.
The thickness of the upper layer base is 0.15~1.5mm, and the material of the upper layer base is PE materials.Described
Upper layer waterproofing layer thickness is the 1/5 of upper layer groundwork thickness, and upper layer waterproof layer material is polypropylene material.
The upper layer convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, the upper layer convexity layer it is trapezoidal
Bulge-structure isosceles trapezoid bottom length and upper bottom lenth ratio 2:1, and the trapezoidal bulge-structure isosceles trapezoid of upper layer convexity layer
Waist edge length it is equal with the thickness of upper layer base；Spacing distance between the adjacent isosceles trapezoid of the upper layer convexity layer with
The bottom equal length of the isosceles trapezoid of upper layer convexity layer.The material of the upper layer convexity layer is PE materials.
It is provided with temperature-sensitive reversible color microcapsules in gap between the isosceles trapezoid adjacent in upper layer convexity layer
Material, the temperature-sensitive reversible color microcapsules can carry out the reversible color of color at 25~35 DEG C；Described is temperature sensitive reversible
Discoloration Microcapsules Size is 0.01~0.05mm.
The thickness of the base of lower layer is 0.2~1.0mm, and the material of the base of lower layer is PE materials；Described
Lower layer's waterproofing layer thickness is the 1/5 of upper layer groundwork thickness, and lower layer's waterproof layer material is polypropylene material.
Lower layer's convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, lower layer's convexity layer it is trapezoidal
Bottom length and bottom lenth ratio 2 in bulge-structure isosceles trapezoid:1, and the trapezoidal bulge-structure isosceles trapezoid of lower layer's convexity layer
Waist edge length it is equal with the thickness of base of lower layer；Spacing distance between the adjacent isosceles trapezoid of lower layer's convexity layer with
The upper bottom equal length of the isosceles trapezoid of lower layer's convexity layer.The material of lower layer's convexity layer is PE materials.
It is provided with photochromic micro-encapsulation 33 in the gap between the adjacent isosceles trapezoid of lower layer's convexity layer
Material, the photochromic micro-encapsulation can carry out the variation of color under ultraviolet light；The discoloration diameter of particle is
0.01~0.06mm.
The middle layer is PE films, and thickness is 0.1~0.6mm.
By the upper surface application of adhesive in middle layer, middle layer in a manner of overlay film on the convexity layer on upper layer
Upper surface is adhesively fixed with upper layer convexity layer；By the lower surface application of adhesive in middle layer, in the convexity layer of lower layer
On the lower surface of middle layer and upper layer convexity layer are adhesively fixed in a manner of overlay film, to form changeable colour PE films.
Temperature-sensitive reversible color microcapsules and photochromic micro-encapsulation are all the materials for being difficult to carry out high temperature process, are held very much
Easily since the heating of high temperature and melt blending process lead to the rupture of microcapsules or the reversible color of off-color material itself
Performance lacks；And in existing discoloration PE membrane structures, mainly by surface coating arrange method, inevitably by
In the compatibility and coating of coating and the weak binding force of base material the problems such as, so as to cause the cost of reversible color PE films, service life
It is affected；This practicality is by optimize the mosaic texture formula inside PE films, using in preparing PE membrane process, using with sky
The trapezium structure of gap, by being introduced in trapezium structure with the temperature sensing color changing microencapsulation material of reversible color and photochromic micro-
Capsule material so as to avoid high temperature process and needs to carry out extrusion process, and existing processing method is difficult to prepare changeable colour
The problem of PE films that material especially changes colour, and since off-color material is in the inside of PE films, avoid off-color material
The problems such as loss；There is isosceles trapezoidal structure by being introduced in the convexity layer of lower layer's convexity layer and upper layer simultaneously, and to be inverted
Isosceles trapezoid, be isolated with middle layer using the upper bottom of its convexity layer isosceles trapezoid, to realize there are two types of one piece of PE film tools
The pattern of reversible color, all changeable colours can be had up and down by realizing PE films itself, and use in turn avoids reversible color material
Loss the problems such as.
Compared with prior art, the good effect of the utility model is：
The utility model utilizes the trapezium structure with gap, by introducing reversible color change microcapsule material in trapezium structure
Material so as to avoid high temperature process and needs to carry out extrusion process, avoids existing processing method and be difficult to prepare changeable colour
The problem of PE films that material especially changes colour, while avoiding the losing issue of surface coating procedure reversible color material；And
There is isosceles trapezoidal structure by being introduced in the convexity layer of lower layer's convexity layer and upper layer, and be inverted isosceles trapezoid, utilize
The upper bottom of its convexity layer isosceles trapezoid is isolated with middle layer, to realize one piece of PE film tool there are two types of the pattern of reversible color,
All changeable colours can be had up and down by realizing PE films itself.
Description of the drawings
The structural schematic diagram of Fig. 1 the utility model；
Label in attached drawing is upper layer, and 2 be middle layer, and 3 be lower layer, and 11 be upper layer convexity layer, and 12 be upper layer base,
13 be temperature-sensitive reversible color microcapsules, 14 be upper layer waterproof layer, 31 be lower layer's convexity layer, 32 be base of lower layer, 33 for it is photic can
Inversion color microcapsules, 34 be lower layer's waterproof layer.
Specific implementation mode
A kind of specific implementation mode of the compound PE films of three layers of modification of the utility model presented below.
Embodiment 1
Attached drawing 1 is referred to, a kind of compound PE films of three layers of modification are divided into upper layer 1, middle layer 2 and lower layer 3；Upper layer is under
Middle layer is set between layer, and upper layer is divided into upper layer convexity layer 11, upper layer base 12 and temperature-sensitive reversible color microcapsules 13, and upper layer is anti-
Water layer 14；Upper layer waterproof layer is set in upper layer convexity layer upper surface, upper layer convexity layer is arranged in the lower surface of upper layer base；Upper layer is convex
Aliquation is the trapezoidal bulge-structure for being uniformly distributed isosceles trapezoid, is set in the gap between the adjacent isosceles trapezoid of upper layer convexity layer
It is equipped with temperature-sensitive reversible color microcapsules 13.
The lower layer is divided into lower layer's convexity layer 31, base of lower layer 32, photochromic micro-encapsulation 33, lower layer's waterproof layer 34；
In the upper surface of base of lower layer setting lower layer convexity layer, in the lower surface of base of lower layer setting lower layer waterproof layer；Middle layer it is upper
Surface is bonded with upper layer convexity layer, lower surface and the lower layer's convexity layer bonding of middle layer.
Upper layer, middle layer and lower layer carry out bonding connection between each layer by adhesive bonding.
The upper layer is divided into upper layer convexity layer 11, upper layer base 12, temperature-sensitive reversible color microcapsules 13, upper layer waterproof layer
14, on upper layer, upper layer waterproof layer is arranged in the upper surface of base, and on upper layer, upper layer convexity layer is arranged in the lower surface of base, under described
Layer is divided into lower layer's convexity layer 31, base of lower layer 32, photochromic micro-encapsulation 33, in the upper surface of base of lower layer setting lower layer protrusion
Layer；The upper surface of middle layer is bonded with upper layer convexity layer, lower surface and the lower layer's convexity layer bonding of middle layer.
The thickness of the upper layer base is 0.15mm, and the material of the upper layer base is PE materials.The upper layer
Waterproofing layer thickness is the 1/5 of upper layer groundwork thickness, and upper layer waterproof layer material is polypropylene material.
The upper layer convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, the upper layer convexity layer it is trapezoidal
Bulge-structure isosceles trapezoid bottom length and upper bottom lenth ratio 2:1, and the trapezoidal bulge-structure isosceles trapezoid of upper layer convexity layer
Waist edge length it is equal with the thickness of upper layer base；Spacing distance between the adjacent isosceles trapezoid of the upper layer convexity layer with
The bottom equal length of the isosceles trapezoid of upper layer convexity layer.The material of the upper layer convexity layer is PE materials.
It is provided with temperature-sensitive reversible color microcapsules in gap between the isosceles trapezoid adjacent in upper layer convexity layer
13 materials, the temperature-sensitive reversible color microcapsules can carry out the reversible color of color at 25~35 DEG C；It is described it is temperature sensitive can
Inversion color Microcapsules Size is 0.01mm.
The thickness of the base of lower layer is 0.2mm, and the material of the base of lower layer is PE materials；The lower layer is anti-
Water layer thickness is the 1/5 of upper layer groundwork thickness, and lower layer's waterproof layer material is polypropylene material.
Lower layer's convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, lower layer's convexity layer it is trapezoidal
Bottom length and bottom lenth ratio 2 in bulge-structure isosceles trapezoid:1, and the trapezoidal bulge-structure isosceles trapezoid of lower layer's convexity layer
Waist edge length it is equal with the thickness of base of lower layer；Spacing distance between the adjacent isosceles trapezoid of lower layer's convexity layer with
The upper bottom equal length of the isosceles trapezoid of lower layer's convexity layer.The material of lower layer's convexity layer is PE materials.
It is provided with photochromic micro-encapsulation 33 in the gap between the adjacent isosceles trapezoid of lower layer's convexity layer
Material, the photochromic micro-encapsulation can carry out the variation of color under ultraviolet light；The discoloration diameter of particle is
0.01mm。
The middle layer is PE films, thickness 0.1mm.
By the upper surface application of adhesive in middle layer, middle layer in a manner of overlay film on the convexity layer on upper layer
Upper surface is adhesively fixed with upper layer convexity layer；By the lower surface application of adhesive in middle layer, in the convexity layer of lower layer
On the lower surface of middle layer and upper layer convexity layer are adhesively fixed in a manner of overlay film, to form changeable colour PE films.
Temperature-sensitive reversible color microcapsules and photochromic micro-encapsulation are all the materials for being difficult to carry out high temperature process, are held very much
Easily since the heating of high temperature and melt blending process lead to the rupture of microcapsules or the reversible color of off-color material itself
Performance lacks；And in existing discoloration PE membrane structures, mainly by surface coating arrange method, inevitably by
In the compatibility and coating of coating and the weak binding force of base material the problems such as, so as to cause the cost of reversible color PE films, service life
It is affected；This practicality is by optimize the mosaic texture formula inside PE films, using in preparing PE membrane process, using with sky
The trapezium structure of gap, by being introduced in trapezium structure with the temperature sensing color changing microencapsulation material of reversible color and photochromic micro-
Capsule material so as to avoid high temperature process and needs to carry out extrusion process, and existing processing method is difficult to prepare changeable colour
The problem of PE films that material especially changes colour, and since off-color material is in the inside of PE films, avoid off-color material
The problems such as loss；There is isosceles trapezoidal structure by being introduced in the convexity layer of lower layer's convexity layer and upper layer simultaneously, and to be inverted
Isosceles trapezoid, be isolated with middle layer using the upper bottom of its convexity layer isosceles trapezoid, to realize there are two types of one piece of PE film tools
The pattern of reversible color, all changeable colours can be had up and down by realizing PE films itself, and use in turn avoids reversible color material
Loss the problems such as.
Embodiment 2
A kind of compound PE films of three layers of modification, are divided into upper layer, middle layer and lower layer；It is arranged between the upper and lower intermediate
Layer；Upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, the upper table of base on upper layer
Upper layer waterproof layer is arranged in face, and on upper layer, upper layer convexity layer is arranged in the lower surface of base；Upper layer convexity layer is to be uniformly distributed isosceles ladder
The trapezoidal bulge-structure of shape is provided in the gap between the trapezoidal bulge-structure of the adjacent isosceles trapezoid of upper layer convexity layer
Temperature-sensitive reversible color microcapsules.
The lower layer is divided into lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, lower layer's waterproof layer；In lower layer's base
The upper surface setting lower layer convexity layer of layer, in the lower surface of lower layer's convexity layer setting lower layer waterproof layer；The upper surface of middle layer with
Upper layer convexity layer bonding, lower surface and the lower layer's convexity layer bonding of middle layer.
Upper layer, middle layer and lower layer carry out bonding connection between each layer by adhesive bonding.
The upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, upper
Upper layer waterproof layer is arranged in the upper surface of layer base, and on upper layer, upper layer convexity layer is arranged in the lower surface of base；The lower layer is divided into
Lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, in the upper surface of base of lower layer setting lower layer convexity layer；Middle layer
Upper surface is bonded with upper layer convexity layer, lower surface and the lower layer's convexity layer bonding of middle layer.
The thickness of the upper layer base is 1mm, and the material of the upper layer base is PE materials.The upper layer waterproof
Layer thickness is the 1/5 of upper layer groundwork thickness, and upper layer waterproof layer material is polypropylene material.
The upper layer convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, the upper layer convexity layer it is trapezoidal
Bulge-structure isosceles trapezoid bottom length and upper bottom lenth ratio 2:1, and the trapezoidal bulge-structure isosceles trapezoid of upper layer convexity layer
Waist edge length it is equal with the thickness of upper layer base；Spacing distance between the adjacent isosceles trapezoid of the upper layer convexity layer with
The bottom equal length of the isosceles trapezoid of upper layer convexity layer.The material of the upper layer convexity layer is PE materials.
It is provided with temperature-sensitive reversible color microcapsules in gap between the isosceles trapezoid adjacent in upper layer convexity layer
Material, the temperature-sensitive reversible color microcapsules can carry out the reversible color of color at 25~35 DEG C；Described is temperature sensitive reversible
Discoloration Microcapsules Size is 0.02mm.
The thickness of the base of lower layer is 0.5mm, and the material of the base of lower layer is PE materials；The lower layer is anti-
Water layer thickness is the 1/5 of upper layer groundwork thickness, and lower layer's waterproof layer material is polypropylene material.
Lower layer's convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, lower layer's convexity layer it is trapezoidal
Bottom length and bottom lenth ratio 2 in bulge-structure isosceles trapezoid:1, and the trapezoidal bulge-structure isosceles trapezoid of lower layer's convexity layer
Waist edge length it is equal with the thickness of base of lower layer；Spacing distance between the adjacent isosceles trapezoid of lower layer's convexity layer with
The upper bottom equal length of the isosceles trapezoid of lower layer's convexity layer.The material of lower layer's convexity layer is PE materials.
It is provided with photochromic micro-encapsulation 33 in the gap between the adjacent isosceles trapezoid of lower layer's convexity layer
Material, the photochromic micro-encapsulation can carry out the variation of color under ultraviolet light；The discoloration diameter of particle is
0.04mm。
The middle layer is PE films, thickness 0.4mm.
By the upper surface application of adhesive in middle layer, middle layer in a manner of overlay film on the convexity layer on upper layer
Upper surface is adhesively fixed with upper layer convexity layer；By the lower surface application of adhesive in middle layer, in the convexity layer of lower layer
On the lower surface of middle layer and upper layer convexity layer are adhesively fixed in a manner of overlay film, to form changeable colour PE films.
Embodiment 3
A kind of compound PE films of three layers of modification, are divided into upper layer, middle layer and lower layer；It is arranged between the upper and lower intermediate
Layer；Upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, the upper table of base on upper layer
Upper layer waterproof layer is arranged in face, and on upper layer, upper layer convexity layer is arranged in the lower surface of base；Upper layer convexity layer is to be uniformly distributed isosceles ladder
The trapezoidal bulge-structure of shape is provided in the gap between the trapezoidal bulge-structure of the adjacent isosceles trapezoid of upper layer convexity layer
Temperature-sensitive reversible color microcapsules.
The lower layer is divided into lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, lower layer's waterproof layer；In lower layer's base
The upper surface setting lower layer convexity layer of layer, in the lower surface of lower layer's convexity layer setting lower layer waterproof layer；The upper surface of middle layer with
Upper layer convexity layer bonding, lower surface and the lower layer's convexity layer bonding of middle layer.
Upper layer, middle layer and lower layer carry out bonding connection between each layer by adhesive bonding.
The upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, upper
Upper layer waterproof layer is arranged in the upper surface of layer base, and on upper layer, upper layer convexity layer is arranged in the lower surface of base；The lower layer is divided into
Lower layer's convexity layer, base of lower layer, photochromic micro-encapsulation, in the upper surface of base of lower layer setting lower layer convexity layer；Middle layer
Upper surface is bonded with upper layer convexity layer, lower surface and the lower layer's convexity layer bonding of middle layer.
The thickness of the upper layer base is 1.5mm, and the material of the upper layer base is PE materials.The upper layer is anti-
Water layer thickness is the 1/5 of upper layer groundwork thickness, and upper layer waterproof layer material is polypropylene material.
The upper layer convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, the upper layer convexity layer it is trapezoidal
Bulge-structure isosceles trapezoid bottom length and upper bottom lenth ratio 2:1, and the trapezoidal bulge-structure isosceles trapezoid of upper layer convexity layer
Waist edge length it is equal with the thickness of upper layer base；Spacing distance between the adjacent isosceles trapezoid of the upper layer convexity layer with
The bottom equal length of the isosceles trapezoid of upper layer convexity layer.The material of the upper layer convexity layer is PE materials.
It is provided with temperature-sensitive reversible color microcapsules in gap between the isosceles trapezoid adjacent in upper layer convexity layer
Material, the temperature-sensitive reversible color microcapsules can carry out the reversible color of color at 25~35 DEG C；Described is temperature sensitive reversible
Discoloration Microcapsules Size is 0.05mm.
The thickness of the base of lower layer is 1.0mm, and the material of the base of lower layer is PE materials；The lower layer is anti-
Water layer thickness is the 1/5 of upper layer groundwork thickness, and lower layer's waterproof layer material is polypropylene material.
Lower layer's convexity layer is uniformly distributed the trapezoidal bulge-structure of isosceles trapezoid, lower layer's convexity layer it is trapezoidal
Bottom length and bottom lenth ratio 2 in bulge-structure isosceles trapezoid:1, and the trapezoidal bulge-structure isosceles trapezoid of lower layer's convexity layer
Waist edge length it is equal with the thickness of base of lower layer；Spacing distance between the adjacent isosceles trapezoid of lower layer's convexity layer with
The upper bottom equal length of the isosceles trapezoid of lower layer's convexity layer.The material of lower layer's convexity layer is PE materials.
It is provided with photochromic micro-encapsulation 33 in the gap between the adjacent isosceles trapezoid of lower layer's convexity layer
Material, the photochromic micro-encapsulation can carry out the variation of color under ultraviolet light；The discoloration diameter of particle is
0.06mm。
The middle layer is PE films, thickness 0.6mm.
By the upper surface application of adhesive in middle layer, middle layer in a manner of overlay film on the convexity layer on upper layer
Upper surface is adhesively fixed with upper layer convexity layer；By the lower surface application of adhesive in middle layer, in the convexity layer of lower layer
On the lower surface of middle layer and upper layer convexity layer are adhesively fixed in a manner of overlay film, to form changeable colour PE films.
Temperature-sensitive reversible color microcapsules and photochromic micro-encapsulation are all the materials for being difficult to carry out high temperature process, are held very much
Easily since the heating of high temperature and melt blending process lead to the rupture of microcapsules or the reversible color of off-color material itself
Performance lacks；And in existing discoloration PE membrane structures, mainly by surface coating arrange method, inevitably by
In the compatibility and coating of coating and the weak binding force of base material the problems such as, so as to cause the cost of reversible color PE films, service life
It is affected；This practicality is by optimize the mosaic texture formula inside PE films, using in preparing PE membrane process, using with sky
The trapezium structure of gap, by being introduced in trapezium structure with the temperature sensing color changing microencapsulation material of reversible color and photochromic micro-
Capsule material so as to avoid high temperature process and needs to carry out extrusion process, and existing processing method is difficult to prepare changeable colour
The problem of PE films that material especially changes colour, and since off-color material is in the inside of PE films, avoid off-color material
The problems such as loss；There is isosceles trapezoidal structure by being introduced in the convexity layer of lower layer's convexity layer and upper layer simultaneously, and to be inverted
Isosceles trapezoid, be isolated with middle layer using the upper bottom of its convexity layer isosceles trapezoid, to realize there are two types of one piece of PE film tools
The pattern of reversible color, all changeable colours can be had up and down by realizing PE films itself, and use in turn avoids reversible color material
Loss the problems such as.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the concept of the premise utility, these improvements and modifications
Also it should be regarded as in the scope of protection of the utility model.
Claims (5)
1. a kind of compound PE films of three layers of modification, which is characterized in that it is divided into upper layer, middle layer and lower layer；Between the upper and lower
Middle layer is set；Upper layer is divided into upper layer convexity layer, upper layer base, temperature-sensitive reversible color microcapsules, upper layer waterproof layer, in upper layer base
Upper layer waterproof layer is arranged in the upper surface of layer, and on upper layer, upper layer convexity layer is arranged in the lower surface of base, and upper layer convexity layer is uniform point
The trapezoidal bulge-structure of cloth isosceles trapezoid, the gap between the trapezoidal bulge-structure of the isosceles trapezoid of adjacent upper layer convexity layer
Middle setting temperature-sensitive reversible color microcapsules.
2. a kind of compound PE films of three layers of modification as described in claim 1, which is characterized in that the thickness of the upper layer base is
0.15~1.5mm.
3. a kind of compound PE films of three layers of modification as described in claim 1, which is characterized in that the material of the upper layer base is
PE materials.
4. a kind of compound PE films of three layers of modification as described in claim 1, which is characterized in that the material of the upper layer convexity layer
For PE materials.
5. a kind of compound PE films of three layers of modification as described in claim 1, which is characterized in that the middle layer is PE films,
Thickness is 0.1~0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926464.0U CN207859633U (en) | 2017-12-30 | 2017-12-30 | Modified three layers of compound PE films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926464.0U CN207859633U (en) | 2017-12-30 | 2017-12-30 | Modified three layers of compound PE films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207859633U true CN207859633U (en) | 2018-09-14 |
Family
ID=63464188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721926464.0U Active CN207859633U (en) | 2017-12-30 | 2017-12-30 | Modified three layers of compound PE films |
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