CN205022109U - Green casting level car membrane - Google Patents
Green casting level car membrane Download PDFInfo
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- CN205022109U CN205022109U CN201520749420.XU CN201520749420U CN205022109U CN 205022109 U CN205022109 U CN 205022109U CN 201520749420 U CN201520749420 U CN 201520749420U CN 205022109 U CN205022109 U CN 205022109U
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Abstract
The utility model discloses a green casting level car membrane, it is equipped with chromatograph, pressure sensitive adhesive layer in proper order and leaves type paper, be equipped with the reflection stratum between chromatograph and the pressure sensitive adhesive layer. Wherein, the reflection stratum is white polyurethane layer or white polyester resin layer. This kind of casting level car membrane mainly adopts materials such as polyurethane, polyester resin, and each layer combines through coating technology. The casting level car film elasticity that makes is good, and the pad pasting process is difficult to appear sticking up the limit phenomenon, and the efficiency of construction is high, and the yields is high. Still being equipped with the protective layer on the chromatograph another side of this casting level car membrane, protecting car membrane inner structure well, can adopt capsule type structure and nanometer material, good, the self -cleaning nature of selfreparing performance is high.
Description
Technical field
The utility model relates to a kind of film, particularly relates to a kind of Green foundry level car film.
Background technology
Car detailing decoration has become a kind of new Automobile Culture trend at present, and more and more people likes that the love car of oneself is repacked into individual character and makes widely known, and vehicle body changes colour and becomes the first-selection of repacking.The existing car film that changes colour adopts multilayer curtain coating structure: the Chinese invention patent application being 201210031553.4 " Film for decoration and preparation method thereof " by name as application number discloses a kind of Film for decoration and preparation method thereof.Described Film for decoration comprises: as the transparent polymer film layer of the superiors, and described transparent polymer film layer is made up of one or more in polyethylene, PETG, polyurethane, polypropylene, polyvinyl dichloride, polyvinyl chloride and polystyrene; Printed layers, the back side of described printed layers and described transparent polymer film layer is adjacent and by polyurethanes ink, polyacrylate ink, polyamide-based ink, and polyvinyl chloride ink or PIC class ink are formed; And adhesive layer, described adhesive layer is positioned at below described printed layers.The outermost layer diaphragm of this car film is in order to protect the structure of car film inner. layers; Be chromatograph below diaphragm, for showing various pattern, vehicle body attractive in appearance, bottom is followed successively by adhesive-layer and lining paper, is convenient to car film to be fixed on outside vehicle body.
In commercially available decoration traffic allowance film, the film using the materials such as PVC, TPU, PE, CPP of the diaphragm outside car film more.Processing technology according to car film can be divided into casting level car film and calendering level car film.Wherein, the technological process of casting level car film is, after being synthesized by the raw material manufacturing diaphragm, via a kind of transparent " casting film paper " of ultra-clean, " struck off " by raw material by special equipment.Raw material are then produced via after " extrusion stretching " by the production technology of rolling level car film.If application number is that the Chinese utility model patent that " 201120347453.3 " are called " a kind of mirror-surface film for vehicle body " discloses a kind of mirror-surface film for vehicle body, comprise rete, described film surface is minute surface, minute surface is by embossing iron tyre, bottom surface is provided with auxiliary embossing, bottom surface is provided with gluing, and described rete is rolled obtained by polyvinyl chloride.But no matter be casting level car film or calendering level car film, it is shaping that mixed raw material all will extrude after-drawing through machinery, this causes the rigidity of car film finished product to increase, non-stretchable or the rear stress that easily produces that stretches bounces back, finally cause occurring tilting phenomenon in pad pasting process, efficiency of construction is poor, and fraction defective is high.And; rigidity as the raw material such as PVC of diaphragm itself is also relatively large; need to add Small molecular or Middle molecule grease when raw material mix to strengthen its toughness, and these Small molecular or Middle molecule grease are easily separated out under the condition of process HTHP, and diaphragm is become fragile.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that one does not need to extrude stretching through machinery, elasticity is good, and toughness is high, can dry doubling, yellowing resistance good, can the casting level car film of selfreparing, use with lasting, stable in different environments.
Above-mentioned purpose of the present utility model is achieved by following technical solution:
A kind of Green foundry level car film, is provided with chromatograph, pressure-sensitive adhesive layer and release liners successively, is provided with functional layer between described chromatograph and pressure-sensitive adhesive layer.The utility model makes car film possess as reflection, resistance to Huang, wear-resisting etc. function by adding functional material in functional layer.
Further, described functional layer is reflecting layer, and described reflecting layer is white polyurethane layer or white polyester resin bed or acrylate layer or white composite bed, and described white composite bed is that polyurethane, mylar and acrylate compound form.
Casting level car film can be reduced to the absorption of sunlight middle infrared (Mid-IR) in the reflecting layer arranging white, strengthens casting level car film and keep colour-fast under illumination continues fierce condition; The elasticity of the polyurethane of the employing in reflecting layer (being called for short PU) or mylar (being called for short PE) material itself is better, do not need to add Small molecular in process or Middle molecule grease toughness reinforcing, reflecting layer processes through HTHP still can keep excellent toughness.
Further, described chromatograph another side is provided with protective layer.Wherein, described protective layer is capsule-type layer of polyurethane or capsule-type polyester resin layer or capsule-type composite bed.Described protective layer another side is provided with temporary protective film.
Arranging protective layer is to prevent external environment condition to the infringement of casting level car film internal structure, improving the durability of car film.Protective layer is also adopt polyurethane (being called for short PU) or mylar (being called for short PE) material, to improve the toughness of casting level car film itself, and protective layer can adopt nanometer materials, produce " lotus leaf effect ", improve the self-cleaning property of casting level car film, make car film still can keep bright clean, easy to clean after lasting use; Meanwhile, what protective layer adopted is capsule-type layer of polyurethane or capsule-type polyester resin layer.When protective layer is subject to external impacts and produces breakage, short grained polyurethane or mylar can discharge from capsule, fill up damaged space, reach the effect of selfreparing.
Further, described release liners is provided with air guide figure.The degree of depth of its air guide pattern is 5 μm ~ 20 μm, to facilitate air guide in stickup car membrane process.
The preparation method of described casting level car film comprises the steps:
S1, prepare protective layer or reflecting layer: aliphatic polyurethane or mylar or acrylate or three are dissolved in together in organic solvent, on film carrier, Coating is carried out after mixed function material and auxiliary agent, carry out force drying or compound antiadhesion barrier after coating, film forming also tears antiadhesion barrier off after heat cure;
S2, prepare chromatograph: after dissolving aliphatic polyurethane, mylar, add organic solvent, colouring agent and auxiliary agent, it is dry after film carrier carries out Coating, then carry out heat cure, before heat cure completes, tear film carrier off and in the tow sides protective layer prepared of composite steps S1 and reflecting layer respectively;
S3, prepare pressure-sensitive adhesive layer: dissolve aliphatic polyurethane, acrylate in solvent, after adding auxiliary agent or curing agent, film carrier or release liners or plane carry out Coating, be then pasted on the another side in reflecting layer in the step S2 after tearing film carrier off.
In step S1 ~ S3; protective layer, reflecting layer, chromatograph and varistor layer adopt the modes such as spray, blade coating to be uniformly coated in film carrier or release liners; and it is shaping not extrude the process of stretching by machinery; to avoid finished car film because rigidity is large; non-stretchable or the rear stress that easily produces that stretches bounces back, and causes pad pasting process to occur the situation of tilting.Casting level car film elasticity through coating process processing is good, and pad pasting is simple and easy, smooth, and fraction defective is low.
Wherein, the mass ratio of step S1 fat race polyurethane, mylar and acrylate is (5 ~ 40): (60 ~ 95): (20 ~ 40); In step S2, the mass ratio of aliphatic polyurethane and mylar is (5 ~ 40): (60 ~ 95).In described protective layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is (35 ~ 45): (45 ~ 55): (3 ~ 8): (3 ~ 8); In reflecting layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is (25 ~ 35): (35 ~ 45): (3 ~ 8): (20 ~ 30); In chromatograph, the mass ratio of mylar, solvent, auxiliary agent, functional material is (35 ~ 45): (35 ~ 45): (3 ~ 8): (10 ~ 20); The mass ratio of pressure-sensitive adhesive layer Zhong Fang race polyurethane, acrylate, solvent, auxiliary agent, functional material is (20 ~ 40): (30 ~ 40): (2 ~ 30).Preferably, described solvent is ketone, benzene, based organic solvent; The functional material that protective layer adds is capsule-type material, and the functional material that reflecting layer adds is the infrared high reflectance toner of titanium dioxide or nanoscale.
In reflecting layer, add the infrared reflection efficiency that titanium dioxide or the infrared high reflectance toner of nanoscale can further improve reflecting layer, improve the durability of casting level car film under high light conditions.
Preferably, the temperature of force drying in step S1 is 25 ~ 160 DEG C, and in step S1 or S2, heat curing temperature is 25 ~ 80 DEG C.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) technical solutions of the utility model arrange the reflecting layer of white in casting level car film, reflect the infrared ray from the external world well, protect inner chromatograph and stablize colour-fast under illumination condition.
(2) material such as polyurethane, mylar, allyl resin that the protective layer in this casting level car film, reflecting layer, chromatograph, pressure-sensitive adhesive layer all adopt; the elasticity of itself is better; when still can high tenacity be kept when low molecule grease in not adding; after tested, its hot strength can reach 1000MPa.Meanwhile, in casting level car film, each layer all adopts coating process to obtain, and makes this casting level car film be easy to operation when pad pasting, does not occur alice phenomenon.
(3) this casting level car film durable, processing technology is simple, and raw material sources are extensive.In its protective layer, capsule-type polyurethane or mylar can discharge in time when appearance is damaged, repair space, the anti-scratch ability of casting level car film is improved significantly.Material in its protective layer can applying nano level material, and to reduce its surface tension, pollutant and water are not easy to adhere on car film, improves the self-cleaning ability of casting level car film itself.
figure of description
Fig. 1 is for casting the structural representation of level car film described in the utility model embodiment 1.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment the utility model made and elaborating further, but embodiment does not limit in any form the utility model.
embodiment 1
If Fig. 1 is a kind of Green foundry level car film, is provided with chromatograph 3, pressure-sensitive adhesive layer 5 and release liners 6 successively, between described chromatograph 3 and pressure-sensitive adhesive layer 5, is provided with reflecting layer 4.Wherein, described reflecting layer 4 is white composite bed, and described composite bed is that polyurethane, mylar and acrylate compound form.
Described chromatograph 3 another side is provided with protective layer 2.Wherein, described protective layer 2 is capsule-type layer of polyurethane.Described protective layer 2 another side is provided with temporary protective film 1.Described release liners 6 is provided with air guide figure.The degree of depth of its air guide pattern is 10 μm.
The preparation method of described casting level car film comprises the steps:
S1, prepare protective layer or reflecting layer: be dissolved in organic solvent by aliphatic polyurethane, mylar and acrylate, on film carrier, Coating is carried out after mixed function material and auxiliary agent, carry out force drying or compound antiadhesion barrier at 70 DEG C after coating, film forming also tears antiadhesion barrier off after heat cure at 50 DEG C;
S2, prepare chromatograph: after dissolving aliphatic polyurethane, mylar, add organic solvent, colouring agent and auxiliary agent, it is dry after film carrier carries out Coating, then at 50 DEG C, carry out heat cure, before heat cure completes, tear film carrier off and in the tow sides protective layer prepared of composite steps S1 and reflecting layer respectively;
S3, prepare pressure-sensitive adhesive layer: dissolve aliphatic polyurethane, acrylate in solvent, after adding auxiliary agent, curing agent, film carrier or release liners or plane carry out Coating and makes pressure-sensitive adhesive layer, then tear the film carrier in reflecting layer in step S2 off, pressure-sensitive adhesive layer is pasted on reflecting layer.
Wherein, the mass ratio of step S1 aliphatic polyurethane, mylar and acrylate is 30:80:30, and in step S2, the mass ratio of aliphatic polyurethane and mylar is 30:80.
In described protective layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 40:50:5:5; In reflecting layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 30:40:5:25; In chromatograph, the mass ratio of mylar, solvent, auxiliary agent, functional material is 40:40:5:15; The mass ratio of pressure-sensitive adhesive layer Zhong Fang race polyurethane, acrylate, solvent, auxiliary agent, functional material is 30:35:14.Film carrier in step S1 is diaphragm.
Described solvent is ketone, benzene, based organic solvent; The functional material that protective layer adds is capsule-type material, and the functional material that reflecting layer adds is titanium dioxide.
Embodiment 2 except the mass ratio of aliphatic polyurethane and mylar in step S1 and S2 be 5:60; In protective layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 35:45:3:3; In reflecting layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 25:35:3:20; In chromatograph, the mass ratio of mylar, solvent, auxiliary agent, functional material is 35:35:3:10; The mass ratio of pressure-sensitive adhesive layer Zhong Fang race polyurethane, acrylate, solvent, auxiliary agent, functional material is 20:30:2; The temperature of force drying in step S1 is 25 DEG C, and in step S1 and S2, heat curing temperature is outside 25 DEG C, and other conditions are with embodiment 1;
Embodiment 3
Except in step S1 and S2, the mass ratio of aliphatic polyurethane and mylar is 40:95; In protective layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 45:55:8:8; In reflecting layer, the mass ratio of mylar, solvent, auxiliary agent, functional material is 35:45:8:30; In chromatograph, the mass ratio of mylar, solvent, auxiliary agent, functional material is 45:45:8:20; The mass ratio of pressure-sensitive adhesive layer Zhong Fang race polyurethane, acrylate, solvent, auxiliary agent, functional material is 40:40:30; The temperature of force drying in step S1 is 160 DEG C, in step S1 or S2 heat curing temperature be outside 80 DEG C other with embodiment 1;
comparative example 1
Traffic allowance film used by a kind of decoration, comprises transparent thin film layer, chromatograph, adhesive layer.
Wherein, transparent thin film layer is made up of PVC; The back side of described chromatograph and described transparent polymer film layer is adjacent and by polyurethanes ink, polyacrylate ink, polyamide-based ink, and polyvinyl chloride ink or PIC class ink are formed; And adhesive layer, described adhesive layer is positioned at below described printed layers.
Prepare a method for above-mentioned Film for decoration, said method comprising the steps of:
There is provided transparent polymer film layer: after PVC raw material hot-melt extruded, stretch and form PVC film.Transparent ink absorbing layer is formed in the rear side of described transparent polymer film layer;
Form printed layers by printing technology in the rear side of described transparent ink absorbing layer, and adhesive layer is set below described printed layers.
Following performance test is carried out to the casting level car film described in embodiment 1 and the decoration traffic allowance film finished product described in comparative example 1:
(1) its hot strength is tested.
(2) carry out pad pasting respectively, observe its whether smooth or appearance tilting phenomenon.
(3) light resistance test: use xenon lamp Exposure to Sunlight machine method to measure, utilize blue wool scale to judge the grade of fastness to light, carry out evaluation grade with the irradiation time starting to fade, wherein,
Qualified: to start the irradiation time > 340hrs faded, i.e. light resistance > 7 grades;
Defective: to start the irradiation time < 340hrs faded, i.e. light resistance < 7 grades.
(4) chromatograph adhesion test: prepare frame cutter, with sharp-pointed position in the line of printed layers surface, about 1/8 " interval, mark one group of parallel line with same angle of inclination; one group of line is marked in the direction then intersected at another, forms cross-hatched clathrate;
With scraper plate, 3M610 tape sticker is invested securely the grid surface of marking, guarantee to attach rear basic bubble-free.
Rapidly the adhesive tape of attaching is peeled off from film surface.Peel off and need as much as possible rapidly, farthest the chromatograph of coating is removed from film.Observe the surface of adhesive tape and chromatograph, measure Ink Application layer by the percentage removed, record percent data, and evaluate according to following standard:
Qualified: 0-5%;
Defective: 6-100%.
(5) car film scratch-resistant aptitude tests: adopt 500g load emery wheel, at the dry brush of film surface metal, 20 strokes back and forth, then spraying 5s with 100 DEG C of heat guns from film 10 centimeters place, assess according to following standard:
Qualified: surface nondestructive is bad, without fading;
Defective: there are damage and discolouration phenomena in surface.
(6) environmental testing:
(7) resistance to UV test:
Following table is the result of two kinds of car films being carried out to above performance test:
It seems from the performance test results of upper table, the tensile property obviously well comparative example 1 adopting PVC film of embodiment 1, this also can intuitively find out in pad pasting effect, and embodiment 1 is without tilting, and the neat mouth place of comparative example 1 tilts; Even tan by the sun because automobile many times can travel under sunlight, this needs automobile film to possess strong light resistance/resistance to UV, also can find out from upper table, embodiment 1 well too comparative example 1 far away; Similarly, in scratch resistance performance, embodiment 1 is also good than comparative example 1, in addition, from the environmental testing result of upper table, and embodiment 1 obviously more environmental protection.
Claims (6)
1. a Green foundry level car film, is provided with chromatograph, pressure-sensitive adhesive layer and release liners successively, it is characterized in that, is provided with functional layer between described chromatograph and pressure-sensitive adhesive layer.
2. Green foundry level car film according to claim 1, it is characterized in that, described functional layer is reflecting layer.
3. Green foundry level car film according to claim 2, is characterized in that, described reflecting layer is white polyurethane layer or white polyester resin bed or acrylate layer.
4. Green foundry level car film according to claim 1, it is characterized in that, described chromatograph another side is provided with protective layer.
5. Green foundry level car film according to claim 4, is characterized in that, described protective layer is capsule-type layer of polyurethane or capsule-type polyester resin layer or capsule-type composite bed.
6. Green foundry level car film according to claim 4, it is characterized in that, described protective layer another side is provided with temporary protective film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749420.XU CN205022109U (en) | 2015-09-25 | 2015-09-25 | Green casting level car membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520749420.XU CN205022109U (en) | 2015-09-25 | 2015-09-25 | Green casting level car membrane |
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| CN205022109U true CN205022109U (en) | 2016-02-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553407A (en) * | 2015-09-25 | 2017-04-05 | 广州市宝利邦德高分子材料有限公司 | A kind of Green foundry level car film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553407A (en) * | 2015-09-25 | 2017-04-05 | 广州市宝利邦德高分子材料有限公司 | A kind of Green foundry level car film and preparation method thereof |
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