CN108761594A - A kind of reflective membrane and its continuously it is bonded production equipment - Google Patents
A kind of reflective membrane and its continuously it is bonded production equipment Download PDFInfo
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- CN108761594A CN108761594A CN201810399053.3A CN201810399053A CN108761594A CN 108761594 A CN108761594 A CN 108761594A CN 201810399053 A CN201810399053 A CN 201810399053A CN 108761594 A CN108761594 A CN 108761594A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
- G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
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Abstract
The present invention relates to reflective membrane field, more particularly to a kind of reflective membrane and its production equipment is continuously bonded.In order to avoid existing reflective membrane is in destruction of the preparation process to micro-prism structure of closed air layer, the present invention provides a kind of reflective membrane and its is continuously bonded production equipment.The reflective membrane includes successively superficial layer, compound microprism layer, adhesive layer and basal layer, and the compound microprism layer includes several prismatoid micro-prism structures and several pyrometric cone micro-prism structures；The prismatoid micro-prism structure forms several grids, and the pyrometric cone micro-prism structure is distributed in grid.The preparation that reflective membrane provided by the invention overcomes the closed air layer of traditional reflective membrane must destroy the disadvantages of part retroreflective elements.
Description
Technical field
The present invention relates to reflective membrane field, more particularly to a kind of reflective membrane and its production equipment is continuously bonded.
Background technology
Microprism reflective membrane has a wide range of applications on traffic safety at present, and main purpose is to traveling in road
A kind of reflection light is provided in the personnel visibility region of road so that driver can shift to an earlier date in the place of some traffics complexity
The converse light being emitted back towards of reflective membrane is captured by vision system, through brain response, judges, effectively evades in driving process in advance
The generation of various unsafe conditions.
It is water-fast, weather-proof, resistance to determine that retroreflective sheeting article must have for this use environment of reflective membrane in road traffic
Some characteristics such as acid.However, the pyrometric cone microprism or full prism reflective membrane nowadays sold in the market, compound processing course
In be directed to closed air layer and prepare this process, the prior art first must be pre-coated with heat curing type precoated shet in substrate surface, and
By overheat molding apparatus or device for ultrasonic welding welding, closed air layer is obtained, this closed air layer preparation process, nothing
By being hot moulding or ultrasonic bonding, three problems are will produce：One, the formation of closed air layer, to pyrometric cone microprism
Or full prism microprism generates structure at pressing position and destroys, and causes reflective membrane entirety retroreflective that can decline, light source reflectivity
It is low；Two, in advance in the thermosetting adhesive glue of primary surface coating, due to self-curing adhesion rate is slower, often one
In fixing time, it is difficult to obtain closed air-film and the good retroreflective sheeting article of microprism layer bonding intensity faster, cause to produce
The product production cycle lengthens, and bonds insecure generations infiltration, cracks and acid-proof alkaline decline；Three, hot moulding equipment or ultrasound
For wave welding equipment during manufacture reflective membrane closed air layer, the necessary low speed of equipment is compound, this leads to the life of retroreflective sheeting article
Production efficiency is greatly reduced, while also producing the energy consumption waste problem of equipment and resource.
Invention content
In order to avoid existing reflective membrane is in destruction of the preparation process to micro-prism structure of closed air layer, the present invention provides
A kind of reflective membrane and its continuously it is bonded production equipment.Reflective membrane provided by the invention overcomes the closed air layer of traditional reflective membrane
The disadvantage of part retroreflective elements must be destroyed by preparing；And adhesive layer and compound microprism layer in reflectance coating provided by the invention
There are good attachment fastness characteristic, reflective membrane provided by the invention to be continuously bonded production equipment, has and save equipment, energy consumption, height
It imitates, is high-quality, the quick large batch of function of preparing reflective membrane.
In order to solve the above technical problems, the present invention provides the following technical solutions：
The present invention provides a kind of reflective membrane, and the reflective membrane includes superficial layer, compound microprism layer, adhesive layer and base successively
Bottom, the compound microprism layer includes prismatoid micro-prism structure and pyrometric cone micro-prism structure.
Further, the pyrometric cone micro-prism structure is distributed between prismatoid micro-prism structure.
Prismatoid, which is exactly planar trapezoidal, has certain thickness, also referred to as truncated rectangular pyramids.
Further, the prismatoid micro-prism structure includes upper bottom surface and bottom face, the prismatoid microprism
The bottom face of structure is attached on the lower surface of superficial layer, and the upper bottom surface and adhesive layer are bonding；The micro- rib of pyrometric cone
The bottom surface of mirror structure is attached on the lower surface of superficial layer；The height of the pyrometric cone micro-prism structure is less than prismatoid microprism knot
The height of structure.
Further, closed air layer is formed between the pyrometric cone micro-prism structure and adhesive layer.
Further, the prismatoid micro-prism structure forms grid, and the prismatoid micro-prism structure is the net of grid
Line；The pyrometric cone micro-prism structure is distributed in grid.
Further, the compound microprism layer includes several prismatoid micro-prism structures and several pyrometric cone microprism knots
Structure；The prismatoid micro-prism structure forms several grids, and the pyrometric cone micro-prism structure is distributed in grid.
In prismatoid micro-prism structure, the one side to connect with superficial layer is known as bottom face, one to connect with adhesive layer
Face is known as upper bottom surface；The length or width of the bottom face are more than the length and width on upper low surface, the bottom face
Area be more than upper bottom surface area.
The bottom surface of pyrometric cone microprism is triangle.Further, the bottom surface of pyrometric cone microprism is equilateral or inequilateral
Triangle.
The reflective membrane is also referred to as reflectance coating.
The compound microprism layer includes several prismatoid micro-prism structures and several pyrometric cone micro-prism structures, and described three
Cube-corner microprisms structure distribution is between prismatoid micro-prism structure.
Further, the pyrometric cone microprism is the pyrometric cone reflex reflection employed in well known Microprism reflective membrane
Structure design.
Further, the compound microprism layer is arranged in the lower surface of superficial layer, and the adhesive layer is arranged compound micro-
Between layers of prisms and basal layer.
Further, the material of the superficial layer is selected from PET.
Further, the superficial layer is the PET film of transparent biaxial tension, and the superficial layer has the upper of flat-satin
Surface and lower surface corresponding with upper surface.
Further, the adhesive layer is the UV adhesive layers of grazing shot rate, and the material of the adhesive layer is selected from acrylic resin
Class prepolymer resin.
Further, the material of the adhesive layer is selected from methacrylate, monofunctional acrylates' ester, bisphenol-A dipropyl
One kind in olefin(e) acid ester, urethane acrylate, aliphatic urethane acrylate or 2- phenoxyethyl methacrylates
Or at least two combination.
Further, the material of the basal layer is selected from PET.
Further, the basal layer is the PET film of transparent biaxial tension, and the basal layer has the upper of flat-satin
Surface and lower surface corresponding with upper surface.
Further, the prismatoid micro-prism structure includes upper bottom surface and bottom face；The prismatoid microprism
The bottom face of structure is attached on the lower surface of superficial layer；The upper bottom surface of the prismatoid micro-prism structure is provided with cohesive rib
Mirror, the cohesive prism are bonded together with adhesive layer.
Further, the cohesive prism is prism bar.Further, it is isoceles triangle that the cohesive prism, which is selected from section,
The prism bar of shape；The section is that the waist sides such as two of the prism bar of isosceles triangle are contacted with adhesive layer bonding.
Further, the cohesive prism is by one in contour prism item, non-contour prism item, non-contour shake prism bar
Kind or two kinds of compositions.
The length of the cohesive prism is identical as the length of upper bottom surface of prismatoid micro-prism structure.
Further, it is isosceles triangle that the upper bottom surface of the prismatoid micro-prism structure, which is provided with several sections,
Prism bar, the section refer to the cross section of each prism bar.
Further, it is isosceles triangle that the upper bottom surface of the prismatoid microprism, which is provided with continuously arranged cross section,
Prism bar.
Further, the bottom face UV-light cured of the prismatoid micro-prism structure and it is close with superficial layer lower surface
Stick, the upper bottom surface of the prismatoid micro-prism structure is by the prism group that the section that continuous arrangement is distributed is isosceles triangle
At.
Further, the adhesive layer is only two isosceles of the prism of isosceles triangle with compound microprism layer middle section
Side bonding contact.
Further, the bottom surface of the pyrometric cone micro-prism structure is attached on the lower surface of superficial layer；The pyrometric cone is micro-
The height of prism structure is the 85-90 % of the height of prismatoid micro-prism structure.
Further, in the compound microprism layer prismatoid micro-prism structure height be 72-112 μm, described three
The height of cube-corner microprisms structure is 65-95 μm.
Further, the height of the prismatoid micro-prism structure is 88-106 μm, the pyrometric cone micro-prism structure
Height is 80-90 μm.
Further, the height of the prismatoid micro-prism structure is 88-100 μm, the pyrometric cone micro-prism structure
Height is 80-85 μm.
Further, it is isosceles triangle that 1-240 cross section, which is arranged, in the upper bottom surface of a prismatoid micro-prism structure
Prism bar.
Further, it is isosceles triangle that 10-71 cross section, which is arranged, in the upper bottom surface of a prismatoid micro-prism structure
Prism bar.
Further, it is isoceles triangle that 10-28 section, which is arranged, in the upper bottom surface of a prismatoid micro-prism structure
The prism of shape.
Further, in the reflective membrane, the cross section is the angle of the apex angle of the prism bar of isosceles triangle
It it is 70-130 °, bottom edge length is 1-10 μm.
The bottom edge length refer to cross section be isosceles triangle prism bar along the bottom edge of cross-sectional direction length, i.e.,
For the length on the bottom edge of isosceles triangle.
Further, it is 85-120 ° that the cross section, which is the corner angle of the prism bar of isosceles triangle, bottom edge length
It is 5-8 μm.
Further, it is 85-100 ° that the cross section, which is the corner angle of the prism bar of isosceles triangle, bottom edge length
It is 5-7 μm.
Further, the material of the compound microprism layer is selected from esters of acrylic acid prepolymer.
Further, the material of the compound microprism layer is selected from (2E) -3- (1- benzofuran -2- bases) acrylic acid, third
Olefin(e) acid ester, ethoxylated bisphenol A dimethylacrylates, bis-phenol Cong diacrylates, biphenylmethanol acrylate or adjacent phenyl benzene
One kind in oxygen ethyl propylene acid esters or at least two combination.
Further, the material of the compound microprism layer is selected from ethoxylated bisphenol A dimethylacrylates, bis-phenol Cong bis-
Acrylate, biphenylmethanol acrylate or one kind in 0-phenyl phenoxyethyl acrylate or at least two combination.
Further, the material of the compound microprism layer is selected from bis-phenol Cong diacrylates or adjacent phenyl benzene oxygen ethyl
One kind in acrylate or combination of the two.
Further, include 4-930 pyrometric cone micro-prism structure in the compound microprism layer, in a grid.
Further, one grid is square or rectangle.
Further, the compound microprism layer includes several repetitive units, and each repetitive unit includes four prismatoids
Micro-prism structure and one or several pyrometric cone micro-prism structures；Four prismatoid micro-prism structures surround a grid, and one
A or several pyrometric cone micro-prism structures are located in grid.The same prismatoid microprism knot is shared between two neighboring grid
Structure.
Further, the length of the bottom face of the prismatoid micro-prism structure is 330-280000 μm, bottom face
Width be 2-2500 μm；The bottom edge length of pyrometric cone prism structure is 80-300 μm.The prismatoid micro-prism structure it is upper
The length of bottom surface is 310-275000 μm, and the width of upper bottom surface is 1-2400 μm.
Further, the length of the bottom face of the prismatoid micro-prism structure is 18000-112500 μm, table of going to the bottom
The width in face is 200-700 μm；The bottom edge length of pyrometric cone prism structure is 120-250 μm.The prismatoid micro-prism structure
The length of upper bottom surface be 17000-112000 μm, the width of upper bottom surface is 50-568 μm.
Further, the length of the bottom face of the prismatoid micro-prism structure is 50000-112500 μm, table of going to the bottom
The width in face is 200-400 μm；The bottom edge length of pyrometric cone prism structure is 200-250 μm.The prismatoid micro-prism structure
The length of upper bottom surface be 48000-112000 μm, the width of upper bottom surface is 50-196 μm.
Further, in a grid include 150-450 pyrometric cone micro-prism structure.
Further, in a grid include 250-450 pyrometric cone micro-prism structure.
Further, the solid refractive index of the compound microprism layer is 1.53-1.68, and the refractive index of the adhesive layer is
1.40-1.52。
Further, the solid refractive index of the compound microprism layer is 1.58-1.65, and the refractive index of the adhesive layer is
1.45-1.50。
Further, the solid refractive index of the compound microprism layer is 1.58-1.63, and the refractive index of the adhesive layer is
1.45-1.48。
Further, the thickness of the superficial layer is 50-450 μm；The thickness of the basal layer is 50-200 μm；It is described viscous
The thickness for closing layer is 1-10 μm.
Further, the thickness of the superficial layer is 100-350 μm；The thickness of the basal layer is 100-150 μm；It is described
The thickness of adhesive layer is 2-8 μm.
Further, the thickness of the superficial layer is 100-188 μm；The thickness of the basal layer is 100-125 μm；It is described
The thickness of adhesive layer is 3-6 μm.
Continuously be bonded production equipment the present invention also provides the reflective membrane, the production equipment include rotate clockwise it is micro-
Prism copy mold roller (20), left end base film (9), left end base material let off roll (6), left end base material pre-coating solution feeding system
(7), left end base material pre-coating solution feeding system (8), excessively baking oven power traction roller (10), step by step temperature gradient baking oven (11), left end
It is bonded power traction roller (12), left end fitting power traction roller (13) left end bonding position guide reel (14), right end base film
(18), pressure roller (16), UV curing light sources (17), right end bonding position carry-over pinch rolls before right end base material let off roll (15), structure pressing
(19), fitting compacting composite roll (22), fitting compacting composite roll (23), fitting UV curing light sources (21), attaching film (24),
Attaching film wind-up roll (25).
Further, the left end base film is the PET film of basal layer, and the right end base film is superficial layer
PET film.
Further, the left end base film contacts or respectively by left end base material let off roll, left end base material pre-coating solution
Feeding system, excessively baking oven power traction roller, step by step temperature gradient baking oven, left end fitting power traction roller, left end bonding position are drawn
Deflector roll；The traction power of the left end base film came from baking oven power traction roller, left end fitting power traction roller；It is described
Right end base film contacts or respectively by pressure roller, mold roller UV curing light sources, right end bonding position carry-over pinch rolls before structure pressing；
The traction power of the right end base film comes from right end bonding position carry-over pinch rolls；The attaching film is contacted or is passed through respectively
Cross fitting compacting composite roll, fitting UV curing light sources, attaching film wind-up roll；The attaching film traction power is from patch
Close film take-up roller.
The present invention also provides a kind of preparation method of reflective membrane, the preparation method includes step：
(1) left end base material let off roll unreels the base material of basal layer, and base material is through reticulate pattern roll coating, step by step temperature gradient baking oven
Afterwards, adhesive layer is formed.
(2) while step (1) unreels, right end base material let off roll, which is carried out at the same time, to be unreeled, and the base material of superficial layer is by knot
Pressure roller, UV curing light sources form compound microprism layer before structure pressing.
(3) after the adhesive layer of step (1) and the compound microprism layer of step (2) are formed, left and right ends base material is pressed through fitting
Composite roll processed, under fitting UV curing light sources effect, the upper bottom table of adhesive layer and the prismatoid microprism in compound microprism layer
The cross section in face is that the waist sides such as two of the microprism item of isosceles triangle fit closely, pyrometric cone micro-prism structure and bonding
Closed air layer is formed between layer, is subsequently wound through attaching film wind-up roll, cutting, packing obtain reflective membrane finished product.
Further, it is accurate multiple to be selected from microprism lines roller, surface package that surface accurate is continuously carved for the mold roller
One kind in the macromolecule membrane of micro-prism structure processed or the accurate nickel sheet metal for replicating micro-prism structure of surface package.
Further, the left end base material pre-coating solution feeding system is coated with using anilox roll, the mesh number of the anilox roll
For 90-300 mesh.
Further, the energy of the fitting UV curing light sources is 100-1000mJ/cm2。
Further, the rolling speed of the attaching film is 8-15m/min.
Further, the energy of the fitting UV curing light sources is 300-850mJ/cm2。
Further, the rolling speed of the attaching film is 10-14m/min.
Further, the energy of the fitting UV curing light sources is 300-700mJ/cm2。
Further, the rolling speed of the attaching film is 10-12m/min.
A kind of reflective membrane provided by the invention and its continuous fitting production equipment have the advantages that：
Reflective membrane provided by the invention includes the compound microprism of prismatoid micro-prism structure and pyrometric cone microprism composition
Layer, adhesive layer, the compound microprism layer are different from the refractive index of adhesive layer；The low refraction of high refractive index prismatoid microprism collocation
Rate UV adhesive layers, from optically denser medium be transferred in optically thinner medium refractive index with angular relationship by light it is found that further increase into
Penetrate the reflectivity of the reflectivity of light source；The compound microprism layer includes not only the reflection that pyrometric cone retroreflective structure provides light
Outside function, and the continuously arranged section of upper bottom surface of the prismatoid micro-prism structure introduced in compound microprism layer is isosceles
The prism of triangle can also provide the reflection function of light；Continuously arranged section is arranged in the upper bottom surface of prismatoid microprism body
The prism of isosceles triangle under the UV light sources effect of continuous abutted equipment, quickly bonds close with low-refraction UV adhesive glues
Envelope, to obtain the Microprism reflective membrane that retroreflective elements are complete, closed air layer is stable, light reflection utilization rate is high.
Reflective membrane provided by the invention is continuously bonded production equipment, and there is continuous quickly fitting to produce each layer bonding intensity
The function of good reflective membrane, while hot moulding or device for ultrasonic welding are not needed, reducing equipment energy consumption and the wasting of resources
Aspect is highly improved, and greatly simplified the production process of existing Microprism reflective membrane, it can be achieved that Microprism reflective membrane
High-volume volume production；Further more, the production linear speed of this continuous fitting production equipment is 3-5 times of current conventional production equipment, the present invention
The reflective membrane of offer is continuously bonded production equipment and further improves production capacity.
The present invention controls bottom on prismatoid microprism by the way that prismatoid micro-prism structure is arranged in compound microprism layer
The cross section on surface is angle, the distribution density of the prism bar of isosceles triangle, the UV precoating bondings of collocation solid low-refraction
Layer coordinates the continuous fitting production equipment of tradition, efficient, energy saving, good to obtain microprism reflecting film, simplifies production process,
Solve the problems, such as the weaker closed air layer bonding intensity of traditional Microprism reflective membrane, low yield energy, high energy consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of reflectance coating provided by the invention；
Fig. 2 is the structural schematic diagram that reflectance coating provided by the invention is continuously bonded production equipment；
Fig. 3 is the planar alignment schematic diagram of compound microprism layer provided by the invention；
Fig. 4 is the enlarged diagram of prismatoid micro-prism structure provided by the invention；
Fig. 5 is the schematic top plan view of prismatoid micro-prism structure provided by the invention；
Fig. 6 is that cross section provided by the invention is light schematic diagram at the prism bar of isosceles triangle.
Specific implementation mode
Below in conjunction with specific embodiment, present invention is further described in detail, it is necessary to be pointed out that the present embodiment is only used
It is further detailed in the present invention, should not be understood as limiting the scope of the invention.Technology in the field is ripe
Some nonessential modifications and adaptations can be made according to the content of foregoing invention by practicing personnel.
The preparation method of reflective membrane provided by the invention, the preparation method include step：
The present invention also provides a kind of preparation method of reflective membrane, the preparation method includes step：
(1) left end base material let off roll unreels the base material of basal layer, and base material is through reticulate pattern roll coating, step by step temperature gradient baking oven
Afterwards, adhesive layer is formed.
(2) while step (1) unreels, right end base material let off roll, which is carried out at the same time, to be unreeled, and the base material of superficial layer is by knot
Pressure roller, UV curing light sources form compound microprism layer before structure pressing.
(3) after the adhesive layer of step (1) is formed with the compound microprism layer of step (3), left and right ends base material is suppressed through fitting
Composite roll, under fitting UV curing light sources effect, the upper bottom surface of adhesive layer and the prismatoid microprism in compound microprism layer
Section be that the waist sides such as two of prism bar of isosceles triangle fit closely, form closed air layer, it is subsequently thin through being bonded
Film wind-up roll is wound, and cutting, packing obtain reflective membrane finished product.
Further, it is accurate multiple to be selected from microprism lines roller, surface package that surface accurate is continuously carved for the mold roller
One kind in the macromolecule membrane of micro-prism structure processed or the accurate nickel sheet metal for replicating micro-prism structure of surface package.
Further, the left end base material pre-coating solution feeding system is coated with using anilox roll, the mesh number of the anilox roll
For 90-300 mesh.
Further, the energy of the fitting UV curing light sources is 100-1000mJ/cm2。
Further, the rolling speed of the attaching film is 8-15m/min.
The performance of reflective membrane provided by the invention is detected by the following method：
(1) use JT/T 688-2007, define 2.35 as defined in method the retro-reflecting coefficient of reflective membrane is detected.
Retro-reflecting coefficient is higher, and explanation is higher to the effective retroreflectors of light.The unit of retro-reflecting coefficient is cdlx-1·m-2, wherein " l "
It is the small letter of " L ".
(2) GB/T 18833-2012 are used, 5.5 is defined and requires, 686 methods of JT/T to the shock resistance of reflective membrane into
Row detection.
(3) GB/T 18833-2012 are used, 5.11 is defined and requires, define the solvent resistance of 6.12 method to reflective membrane
It can be detected.
Fig. 1 is the structural schematic diagram of reflectance coating provided by the invention, and the reflectance coating includes superficial layer 1, compound micro- successively
Layers of prisms, adhesive layer 6 and basal layer 5；The compound microprism layer includes prismatoid micro-prism structure 3 and pyrometric cone microprism knot
Structure 2；The surface setting section of the upper bottom surface of the prismatoid micro-prism structure is the prism 4 of isosceles triangle.
Fig. 2 is the structural schematic diagram that reflectance coating provided by the invention is continuously bonded production equipment, and reflectance coating is continuously bonded life
It includes the microprism copy mold roller (20) rotated clockwise to produce equipment, further includes that left end base film (9), left end base material unreel
Roller (6), left end base material pre-coating solution feeding system (7-8), cross baking oven power traction roller (10), step by step temperature gradient baking oven (11),
Left end fitting power traction roller (12-13), left end bonding position guide reel (14), right end base film (18), right end base material are put
Pressure roller (16), mold roller UV curing light sources (17), right end bonding position carry-over pinch rolls (19), fitting before winding up roller (15), structure pressing
Suppress composite roll (22-23), fitting UV curing light sources (21), attaching film (24), attaching film wind-up roll (25).
Fig. 3 is the planar alignment schematic diagram of compound microprism layer provided by the invention, wherein 26 represent prismatoid microprism
Structure, 27 represent pyrometric cone micro-prism structure.Priority principle is carved in two prismatoid micro-prism structure joints according to structure,
The preferential prismatoid micro-prism structure for retaining joint and carving for the first time.
Fig. 4 is the enlarged diagram of prismatoid micro-prism structure provided by the invention, and 3 represent prismatoid micro-prism structure, 4
Cross section is represented as the microprism item (abbreviation isoceles triangle microprism) of isosceles triangle.
Fig. 5 is the schematic top plan view of prismatoid micro-prism structure provided by the invention, and 3 represent prismatoid micro-prism structure, 4
Represent isoceles triangle microprism.
Fig. 6 is that section provided by the invention is light schematic diagram at the prism of isosceles triangle, and 4 represent isoceles triangle
Microprism, 11 represent incident ray, and 12 represent reflection light.
Embodiment 1
The present invention provides a kind of reflective membrane, and the reflective membrane includes superficial layer, compound microprism layer, adhesive layer and base successively
Bottom, the compound microprism layer includes prismatoid micro-prism structure and pyrometric cone micro-prism structure；The prismatoid microprism
Structure includes upper bottom surface and bottom face；The bottom face of the prismatoid micro-prism structure and the lower surface of superficial layer are glutinous
It is attached；The upper bottom surface of the prismatoid micro-prism structure is provided with the prism bar that cross section is isosceles triangle；The cross section
The waist sides such as two for the prism bar of isosceles triangle are contacted with adhesive layer bonding.
The compound microprism layer includes several prismatoid micro-prism structures and several pyrometric cone micro-prism structures；The ladder
Body micro-prism structure forms several grids, and the pyrometric cone micro-prism structure is distributed in grid, includes 4 in a grid
The height of pyrometric cone micro-prism structure, prismatoid micro-prism structure is 72 μm, and the height of pyrometric cone microprism is 65 μm, pyrometric cone
The length on the bottom edge of microprism is 80 μm, and the length of the bottom face of prismatoid micro-prism structure is 330 μm, the micro- rib of prismatoid
The width of the bottom face of mirror structure is 2 μm, and the length of the upper bottom surface of prismatoid micro-prism structure is 310 μm, and prismatoid is micro-
The width of the upper bottom surface of prism structure is 1 μm, and it is prism bar that cross section is isosceles triangle to bond prism, cross section etc.
The length on the bottom edge of lumbar triangle shape is 1 μm, and the length of prism bar is identical as the length of upper bottom surface of prismatoid micro-prism structure,
The upper bottom surface of prismatoid micro-prism structure includes 1 prism bar, and the corner angle of prism bar is 70 °.
The material of the compound microprism layer is acrylate；The material of adhesive layer is methacrylate.The patch
The energy for closing UV curing light sources is 100mJ/cm2, the rolling speed of the attaching film is 8m/min.The compound microprism
The refractive index of layer is 1.53, and the refractive index of the adhesive layer is 1.4.
The performance test results of reflective membrane obtained are shown in Table 1.
Embodiment 2
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 930 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 112 μm, and 95 μm of the height of pyrometric cone microprism, pyrometric cone is micro-
The length on the bottom edge of prism is 300 μm, and the length of the bottom face of prismatoid micro-prism structure is 280000 μm, bottom face
Width is 2500 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 275000 μm, and the width of upper bottom surface is 2400 μ
m；Cross section is that the length on the bottom edge of the prism bar of isosceles triangle is 10 μm, and the upper bottom surface of prismatoid micro-prism structure includes
240 cross sections are the prism bar of isosceles triangle, and cross section is that the corner angle of the prism bar of isosceles triangle is 130 °.
The material of the compound microprism layer is (2E) -3- (1- benzofuran -2- bases) acrylic acid；The material of adhesive layer is
2- phenoxyethyl methacrylates.The energy of the fitting UV curing light sources is 1000mJ/cm2, the fitting is thin
The rolling speed of film is 15m/min.The refractive index of the compound microprism layer is 1.68, and the refractive index of the adhesive layer is
1.52。
Embodiment 3
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 600 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 83 μm, and the height of pyrometric cone microprism is 75 μm, pyrometric cone
The length on the bottom edge of microprism is 280 μm, and the length of the bottom face of prismatoid micro-prism structure is 168000 μm, table of going to the bottom
The width in face is 80 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 165000 μm, and the width of upper bottom surface is 15 μ
m；Cross section is that the length on the bottom edge of the prism bar of isosceles triangle is 3 μm, and the upper bottom surface of prismatoid micro-prism structure includes 5
A cross section is the prism bar of isosceles triangle, and cross section is that the corner angle of the prism bar of isosceles triangle is 80 °.
The material of the compound microprism layer is ethoxylated bisphenol A dimethylacrylates；The material of adhesive layer is single official
Acrylate can be rolled into a ball.The energy of the fitting UV curing light sources is 200mJ/cm2, the rolling speed of the attaching film
For 9m/min.
Embodiment 4
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 150 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 106 μm, and the height of pyrometric cone microprism is 90 μm, pyrometric cone
The length on the bottom edge of microprism is 120 μm, and the length of the bottom face of prismatoid micro-prism structure is 18000 μm, bottom face
Width be 700 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 17000 μm, and the width of upper bottom surface is 568 μ
m；Section is that the length on the bottom edge of the prism bar of isosceles triangle is 8 μm, and the upper bottom surface of prismatoid micro-prism structure includes 71
A section is the prism of isosceles triangle, and section is that the corner angle of the prism bar of isosceles triangle is 120 °.
The material of the compound microprism layer is biphenylmethanol acrylate；The material of adhesive layer is polyurethane acroleic acid
Ester.The energy of the fitting UV curing light sources is 850mJ/cm2, the rolling speed of the attaching film is 14m/min.
Embodiment 5
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 250 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 88 μm, and the height of pyrometric cone microprism is 80 μm, pyrometric cone
The length on the bottom edge of microprism is 200 μm, and the length of the bottom face of prismatoid micro-prism structure is 50000 μm, bottom face
Width be 200 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 48000 μm, and the width of upper bottom surface is 50 μm；
Cross section is that the length on the bottom edge of the prism bar of isosceles triangle is 5 μm, and the upper bottom surface of prismatoid micro-prism structure includes 10
A cross section is the prism bar of isosceles triangle, and cross section is that the corner angle of the prism bar of isosceles triangle is 85 °.
The material of the compound microprism layer is 0-phenyl phenoxyethyl acrylate；The material of adhesive layer is bisphenol-A two
Acrylate.The energy of the fitting UV curing light sources is 300mJ/cm2, the rolling speed of the attaching film is
10m/min。
Embodiment 6
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 450 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 100 μm, and the height of pyrometric cone microprism is 85 μm, pyrometric cone
The length on the bottom edge of microprism is 250 μm, and the length of the bottom face of prismatoid micro-prism structure is 112500 μm, table of going to the bottom
The width in face is 400 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 112000 μm, and the width of upper bottom surface is
196μm；Cross section is that the length on the bottom edge of the prism bar of isosceles triangle is 7 μm, the upper bottom surface of prismatoid micro-prism structure
Including the prism that 28 sections are isosceles triangle, cross section is that the corner angle of the prism bar of isosceles triangle is 100 °.
The material of the compound microprism layer is bis-phenol Cong diacrylates；The material of adhesive layer is aliphatic polyurethane third
Olefin(e) acid ester.The energy of the fitting UV curing light sources is 700mJ/cm2, the rolling speed of the attaching film is 12m/
min。
Embodiment 7
The reflective membrane provided such as embodiment 1, wherein in the compound microprism layer, including 300 three in a grid
The height of cube-corner microprisms structure, prismatoid micro-prism structure is 90 μm, and 83 μm of the height of pyrometric cone microprism, pyrometric cone is micro-
The length on the bottom edge of prism is 220 μm, and the length of the bottom face of prismatoid micro-prism structure is 66000 μm, bottom face
Width is 250 μm；The length of the upper bottom surface of prismatoid micro-prism structure is 60000 μm, and the width of upper bottom surface is 144 μm；
Section is that the length on the bottom edge of the prism bar of isosceles triangle is 6 μm, and the upper bottom surface of prismatoid micro-prism structure includes 24
Cross section is the prism bar of isosceles triangle, and cross section is that the corner angle of the prism bar of isosceles triangle is 90 °.
The material of the compound microprism layer is bis-phenol Cong diacrylates；The material of adhesive layer is aliphatic polyurethane third
Olefin(e) acid ester.The energy of the fitting UV curing light sources is 400mJ/cm2, the rolling speed of the attaching film is 11m/
min。
The performance test results for the reflective membrane that 1 embodiment of table provides
Reflective membrane provided by the invention has good comprehensive performance.Wherein, the reflective membrane that embodiment 4-7 is provided
Comprehensive performance is more preferable, and retro-reflecting coefficient is at least 111cd1x-1·m-2, shock resistance is surface corrugationless, interlayer without de-
It falls, after normal benzine or ethyl alcohol impregnate, reflective film surface is without Swelling.Particularly, the reflective membrane that embodiment 5-7 is provided is not
Only comprehensive performance is more preferable, and thinner.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is every
The equivalent changes and modifications done according to the content of present invention are encompassed by the scope of the claims of the present invention.
Claims (10)
1. a kind of reflective membrane, which is characterized in that the reflective membrane includes superficial layer, compound microprism layer, adhesive layer and base successively
Bottom, the compound microprism layer includes prismatoid micro-prism structure and pyrometric cone micro-prism structure.
2. reflective membrane according to claim 1, which is characterized in that the compound microprism layer includes the micro- rib of several prismatoids
Mirror structure and several pyrometric cone micro-prism structures；The prismatoid micro-prism structure forms several grids, the micro- rib of pyrometric cone
Mirror structure distribution is in grid.
3. reflective membrane according to claim 1, which is characterized in that the prismatoid micro-prism structure include upper bottom surface and
Bottom face；The bottom face of the prismatoid micro-prism structure is attached on the lower surface of superficial layer；The prismatoid microprism
The upper bottom surface of structure is provided with cohesive prism, and the cohesive prism is bonded together with adhesive layer.
4. reflective membrane according to claim 1, which is characterized in that the bottom surface of the pyrometric cone micro-prism structure is attached on table
The lower surface of face layer；The height of the pyrometric cone micro-prism structure is the 84-92% of the height of prismatoid micro-prism structure.
5. reflective membrane according to claim 1, which is characterized in that prismatoid microprism knot in the compound microprism layer
The height of structure is 72-112 μm, and the height of the pyrometric cone micro-prism structure is 65-95 μm.
6. reflective membrane according to claim 2, which is characterized in that the upper bottom surface setting of a prismatoid micro-prism structure
1-240 cross section is the prism bar of isosceles triangle.
7. reflective membrane according to claim 6, which is characterized in that the cross section is the top of the prism bar of isosceles triangle
The angle at angle is 70-130 °, and bottom edge length is 1-10 μm.
8. reflective membrane according to claim 2, which is characterized in that in the compound microprism layer, packet in a grid
Include 4-930 pyrometric cone micro-prism structure.
9. reflective membrane according to claim 1, which is characterized in that the solid refractive index of the compound microprism layer is
1.53-1.68 the refractive index of the adhesive layer is 1.40-1.52.
10. a kind of reflective membrane is continuously bonded production equipment, which is characterized in that the production equipment includes the micro- rib rotated clockwise
Mirror copy mold roller (20), left end base film (9), left end base material let off roll (6), left end base material pre-coating solution feeding system (7),
Left end base material pre-coating solution feeding system (8) crosses baking oven power traction roller (10), step by step temperature gradient baking oven (11), left end fitting
Power traction roller (12), left end fitting power traction roller (13) left end bonding position guide reel (14), right end base film (18),
Right end base material let off roll (15), structure pressing before pressure roller (16), UV curing light sources (17), right end bonding position carry-over pinch rolls (19),
Fitting compacting composite roll (22), fitting compacting composite roll (23), fitting UV curing light sources (21), attaching film (24), fitting are thin
Film wind-up roll (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399053.3A CN108761594A (en) | 2018-04-28 | 2018-04-28 | A kind of reflective membrane and its continuously it is bonded production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810399053.3A CN108761594A (en) | 2018-04-28 | 2018-04-28 | A kind of reflective membrane and its continuously it is bonded production equipment |
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| CN108761594A true CN108761594A (en) | 2018-11-06 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297578A (en) * | 2020-09-24 | 2021-02-02 | 崔治权 | Integrated equipment for forming composite prism film |
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