CN103033865A - Preparation method for glass micro-bead sedimentation type light-reflective membrane - Google Patents
Preparation method for glass micro-bead sedimentation type light-reflective membrane Download PDFInfo
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- CN103033865A CN103033865A CN201210518847XA CN201210518847A CN103033865A CN 103033865 A CN103033865 A CN 103033865A CN 201210518847X A CN201210518847X A CN 201210518847XA CN 201210518847 A CN201210518847 A CN 201210518847A CN 103033865 A CN103033865 A CN 103033865A
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- glass microballoon
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- 239000011521 glass Substances 0.000 title claims abstract description 47
- 239000012528 membrane Substances 0.000 title claims abstract description 18
- 238000004062 sedimentation Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000011325 microbead Substances 0.000 title abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 38
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000007738 vacuum evaporation Methods 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000004048 modification Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- 238000006116 polymerization reaction Methods 0.000 claims description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005554 pickling Methods 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- -1 metallic reflector Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a preparation method for a glass micro-bead sedimentation type light-reflective membrane. The preparation method comprises a first step of making a light-reflective mask layer and a second step of making a light-reflective layer. The second step is of mixing the glass micro-bead and the acrylic acid polymerized modified focusing layer resin in certain proportion and stirring evenly with high speed, coating the mixed resin material on the light-reflective mask layer, and the thickness is greater than the diameter of the glass micro-bead, then roasting and drying at the temperature between 50 DEG C and 130 DEG C inside a drying tunnel. The third step is the vacuum evaporation of a metal reflecting layer and compositing with a stained paper layer which is coated with a pressure-sensitive adhesive layer. The preparation method for the glass micro-bead sedimentation type light-reflective membrane has the advantages of being simple and practical in technology, capable of reducing the production cost and improving the production efficiency and the rate of the end product..
Description
Technical field
The present invention relates to a kind of microbead type optical material, definite saying is a kind of by the reflective membrane with glass microballoon and a coated and molded of resin mixed material.
Background technology
The microbead type reflective membrane mainly is divided into two large classes by structure, and a kind of is the lens baried types, and a kind of is the seal capsule type; Mainly be divided into the several types such as advertisement level, engineering grade, car plate level, high intensity level by purposes.The advertisement reflecting film is mainly used in the making of billboard and Related product, the engineering grade reflective membrane is mainly used in standard highway and the urban highway traffic sign is made, the car plate reflecting film is mainly used in the motor vehicles number plate and makes, and the reflective membrane of high intensity level is mainly used in permanent traffic sign and the operation area facility of highway and makes.
At present known each rank glass microballoon type reflective membrane all can have the similar pearl production technology of planting one, and Patents also has issue, as: production of glass micropearl reflecting-film and single-layer coplanar tree (CN1854773) etc.Lens baried type reflecting film product more has identical production technology at present: plant pearl, clear pearl, pre-coating focus layer, coating focus layer resin etc.Above production technology starting material production cost is high, and energy consumption is higher, and cost of labor is high, and production efficiency is lower, and yield rate is also relatively low.The reflective membrane that adopts the microballon sedimentation process to produce will be saved production cost, significantly enhance productivity, and improve yield rate, be convenient to realize large-scale industrial production.
Summary of the invention
In order to overcome aborning complex process of existing conventional lenses baried type product, production cost is high, production efficiency is lower, the deficiencies such as yield rate is lower and shortcoming, the invention provides a kind of manufacture method of glass microballoon sedimentation type reflective membrane, this technique is simple, practical, has reduced production cost, has improved production efficiency and yield rate.
For achieving the above object, technical scheme of the present invention is:
A kind of preparation method of glass microballoon sedimentation type reflective membrane comprises the reflective surface rete, comprises the reflector layer, metallic reflector, pressure sensitive adhesive adhesion coating of glass microballoon and focus layer resin and anti-ly is stained with ply of paper, it is characterized in that, carries out as follows:
A, making reflective surface rete;
B, making reflector layer:
A. glass microballoon and acroleic acid polymerization modification focus layer resin are mixed by a certain percentage and high-speed stirred even, stirring rate is controlled to be 3000-3500 revolutions per second, mixing time is controlled to be 10-30 minute; The solid content of described acroleic acid polymerization modification focus layer resin is controlled at 26-32%, and viscosity is controlled at 150-250cP, and adds the silicone oil froth breaking levelling agent of 0.5% (percentage by weight) in the above-mentioned hybrid resin;
B, above-mentioned hybrid resin material is coated on the reflective surface rete, its thickness toasts drying afterwards greater than the diameter of glass microballoon in 50 ℃-130 ℃ drying tunnel, and wherein the settling temperature in front road is controlled at 50-70 ℃, and the residence time is greater than 40s;
The vacuum evaporation in C, laggard row metal reflection horizon, again be coated with the pressure sensitive adhesive adhesion coating anti-to be stained with ply of paper compound.
As the preferred embodiments of the present invention: described glass microballoon is through the chemically treated high refractive index glass micro pearl of sedimentation.
As the preferred embodiments of the present invention: the sedimentation chemical treatment to glass microballoon among the present invention refers to that described glass microballoon carries out first pickling, add again 5% silane coupling agent after the drying, 1% sodium dodecylsulphonate, mix, and fully dry, glass microballoon after treatment all is greatly improved at aspects such as parent's property, surface smoothness and wetting states, improve like this settling property of glass microballoon in resin, reduced the settling time.
In order to improve product total quality, particularly transmittance, the transmittance of described reflective surface rete is greater than 90%, and THICKNESS CONTROL is at 50-55 μ m.And as preferred embodiment, described reflective surface rete adopts the BOPET material, and its transparency is good, outdoor weathe resistance is good, and with reflector layer good adhesion property is arranged.
As a further improvement on the present invention: the proportioning ratio of described glass microballoon and acroleic acid polymerization modification focus layer resin is 1:3-6, calculates by mass percentage.
The principle of work that the present invention adopts is: the glass microballoon high-speed stirred is dispersed in the focus layer resin of acroleic acid polymerization modification; Mixing of resin and microballon is coated with rear and baking and curing, makes glass microballoon be deposited to the surface material bottom in dry run, resin is the certain thickness focus layer of dry contraction formation on the microballon sphere; At focus layer plating metal on surface reflection horizon, composite pressure-sensitive adhesive layer.
The main technical solution problem of the present invention is: the glass microballoon of sedimentation must even, non-overlappingly be deposited to the bottom in resin, and the reflective surface that forms on guarantee microballon sphere thickness consistent and focus layer is identical.
The present invention at first passes through high-speed stirred, so that glass microballoon is evenly distributed in the resin before coating, then adopt a spreading formation process to be coated with, the microballon that mixes after the coating and resin are at the drying tunnel inner drying, hybrid resin viscosity under the drying tunnel temperature condition descends rapidly, and the microballon rapid subsidence is to facing surface; Content, drying tunnel temperature by the control microballon in this settling process, the viscosity of acryl resin and evaporation rate etc. guarantee that the glass microballoon sedimentation forms a pearl face and zero lap phenomenon, and form the spherical reflective surface of identical focus layer thickness in bead surface.
Advantage of the present invention is that employed Refractive Index of Glass Microspheres and particle diameter range of choice are extensive, and the refractive index of microballon (n) is from 1.90-2.25, and the particle size range of microballon can be selected from 500 orders-250 order (25 μ m-61 μ m); The wider selection of refractive index and particle diameter will be conducive to reduce the production cost of glass microballoon, improve the glass microballoon utilization rate.
Production technology of the present invention has changed during original reflective membrane produces fully: plant pearl, and clear pearl, the pre-coating focus layer, the loaded down with trivial details operations such as coating focus layer resin once are coated with the sedimentation moulding after microballon and focus layer resin is miscible by the dispersion machine stirring.New technology greatly reduces production cost, energy resource consumption and labor cost; Production efficiency improves 50%-100%, and the finished product rate improves 5%-10%, has improved the entire volume rate of product; And the concentric reflective surface moulding of product is better, and the wide-angle performance of reflective membrane is better.In market competition perfervid today, sedimentation type reflective membrane production technology is that the revolutionary character to original technique breaks through, and product is more competitive on market, and lens baried type reflective membrane future developing trend has wide market outlook especially.
Another advantage of the present invention is that process is simple, raw material is sufficient and optional scope wide, technical maturity, is beneficial to extensive popularization.
Description of drawings
Fig. 1 is cross-sectional view of the present invention.
Embodiment
By the following examples, in conjunction with diagrammatic cross-section, the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, the reflective membrane that the present invention relates to is by reflective surface rete 1, soot layer 2, focusing resin bed 3, metallic reflector 4, pressure sensitive adhesive adhesion coating 5 and prevent that being stained with ply of paper 6 is composited.
Concrete production run of the present invention is: the glass microballoon of 300-350 order refractive index 1.90 is carried out pickling with oxalic acid first, 5% the silane coupling agent that adds again glass microballoon weight after the drying, 1% the sodium dodecylsulphonate that adds glass microballoon weight, mix, and fully dry, make microballon and resin that better intermiscibility be arranged, play wetting and reduce capillary effect.Described reflective surface rete 1 adopts the BOPET(biaxial stretching polyester) material, material transparent good, transmittance 90%, thickness is at 50 μ m.2 two parts of glass microballoons that surface organic modification was processed are even with high-speed stirred after 3 eight parts of acroleic acid polymerization modification focus layer resins mix, and stirring rate 3000-3500 revolutions per second, mixing time 20-30 minute, so that glass microballoon evenly distributes in resin; And acroleic acid polymerization modification focus layer resin 3 refers to the focus layer resin by the acroleic acid polymerization modification, and it has good outdoor weathe resistance; In order to guarantee that glass microballoon rapid subsidence in dry settling process arrives facing surface, and so that the glass microballoon sedimentation forms a pearl face and zero lap phenomenon, the solid content of used acroleic acid polymerization modification focus layer resin is controlled at 28-30% in the present embodiment, viscosity is controlled at 200-230cP, adds 0.5% silicone oil froth breaking levelling agent in the resin; Then above-mentioned composite material is coated on the reflective surface layer 1, the THICKNESS CONTROL 250 μ m-270 μ m of wet glue-line, then wet glue-line toasted 6-8 minute under 50 ℃-130 ℃ condition, be specially: the settling temperature in front road is 55 ℃, the residence time is 1.1 minutes, rear channel temp is dry baking temperature, is 125 ℃ in the present embodiment, fully dry and rolling; Last carry out again the vacuum evaporation in metallic aluminium reflection horizon 4, again be coated with pressure sensitive adhesive adhesion coating 5 anti-to be stained with ply of paper 6 compound.
Embodiment 2:
Concrete production run of the present invention is: the glass microballoon of 450-500 order refractive index 1.93 is carried out pickling with tartrate first, add 5% silane coupling agent after the drying again, 1% sodium dodecylsulphonate mixes, and fully dry.Wherein reflective surface rete 1 adopts the BOPET material, and thickness is at 52 μ m.2 three parts of the glass microballoons that surface organic modification was processed is even with high-speed stirred with 30 five parts of acroleic acid polymerization modification focus layer resins, stirring rate 3000-3500 revolutions per second, mixing time 18 minutes; The solid content of described acroleic acid polymerization modification focus layer resin is controlled at 27%, and viscosity is controlled at 170cP, adds 0.5% silicone oil froth breaking levelling agent in the resin.Above-mentioned composite material glue is coated on the reflective surface layer 1, the THICKNESS CONTROL 180 μ m-200 μ m of wet glue-line, wet glue-line toasted 6-8 minute under 50 ℃-130 ℃ condition, be specially: the settling temperature in front road is 65 ℃, the residence time will reach about 1 minute, then channel temp is 130 ℃, fully dry and rolling.Carry out again the vacuum evaporation in metallic aluminium reflection horizon 4, again be coated with pressure sensitive adhesive adhesion coating 5 anti-to be stained with ply of paper 6 compound.
Claims (5)
1. the preparation method of a glass microballoon sedimentation type reflective membrane comprises the reflective surface rete, comprises the reflector layer, metallic reflector, pressure sensitive adhesive adhesion coating of glass microballoon and focus layer resin and anti-ly is stained with ply of paper, it is characterized in that, carries out as follows:
A, making reflective surface rete;
B, making reflector layer:
A. glass microballoon and acroleic acid polymerization modification focus layer resin are mixed by a certain percentage and high-speed stirred even, stirring rate is controlled to be 3000-3500 revolutions per second, mixing time is controlled to be 10-30 minute; The solid content of described acroleic acid polymerization modification focus layer resin is controlled at 26-32%, and viscosity is controlled at 150-250cP, and adds the silicone oil froth breaking levelling agent of 0.5% (percentage by weight) in the above-mentioned hybrid resin;
B, above-mentioned mixed resin material is coated on the reflective surface rete, its thickness toasts drying afterwards greater than the diameter of glass microballoon in 50 ℃-130 ℃ drying tunnel, and wherein the settling temperature in front road is controlled at 50-70 ℃, and the residence time is greater than 40s;
The vacuum evaporation in C, laggard row metal reflection horizon, again be coated with the pressure sensitive adhesive adhesion coating anti-to be stained with ply of paper compound.
2. preparation method according to claim 1 is characterized in that: described glass microballoon is for through the chemically treated high refractive index glass micro pearl of sedimentation.
3. preparation method according to claim 2, it is characterized in that: described glass microballoon refers to that through the sedimentation chemical treatment described glass microballoon carries out first pickling, add again 5% silane coupling agent after the drying, 1% sodium dodecylsulphonate, count by weight percentage, mix, and fully dry.
4. preparation method according to claim 1, it is characterized in that: the transmittance of described reflective surface rete is greater than 90%, and THICKNESS CONTROL is at 50-55 μ m.
5. preparation method according to claim 1, it is characterized in that: the proportioning ratio of described glass microballoon and acroleic acid polymerization modification focus layer resin is 1:3-6, calculates by mass percentage.
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| CN201210518847.XA CN103033865B (en) | 2012-12-06 | 2012-12-06 | A kind of manufacture method of glass microballoon sedimentation type reflective membrane |
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| CN201210518847.XA CN103033865B (en) | 2012-12-06 | 2012-12-06 | A kind of manufacture method of glass microballoon sedimentation type reflective membrane |
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| CN103033865A true CN103033865A (en) | 2013-04-10 |
| CN103033865B CN103033865B (en) | 2015-07-29 |
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| CN104360427A (en) * | 2014-12-03 | 2015-02-18 | 常州华日升反光材料股份有限公司 | Reflective film for advertisement |
| CN104927312A (en) * | 2015-07-01 | 2015-09-23 | 合肥鼎亮光学科技有限公司 | Glass microspheres for polyester reflective film and preparation method thereof |
| CN104965248A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Solvent resistant and weather-proofing glass bead for reflective membrane and preparation method of solvent resistant and weather-proofing glass bead |
| CN104965250A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | PET reflective membrane glass bead and preparation method thereof |
| CN104965251A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for industrial safety identification reflective film and preparation method thereof |
| CN104965247A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for outdoor advertisement reflective membrane and preparation method thereof |
| CN104965252A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for guide post reflective film and preparation method thereof |
| CN105130199A (en) * | 2015-07-13 | 2015-12-09 | 安徽天堂唯高塑业科技有限公司 | Glass micro-bead used in light-reflective film on road traffic sign and preparation method thereof |
| CN107219578A (en) * | 2017-07-18 | 2017-09-29 | 合肥鼎亮光学科技有限公司 | A kind of single-layer coplanar tree coating process of sedimentation type reflective membrane |
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|---|---|---|---|---|
| CN104360427A (en) * | 2014-12-03 | 2015-02-18 | 常州华日升反光材料股份有限公司 | Reflective film for advertisement |
| CN104965252A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for guide post reflective film and preparation method thereof |
| CN104965248A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Solvent resistant and weather-proofing glass bead for reflective membrane and preparation method of solvent resistant and weather-proofing glass bead |
| CN104965250A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | PET reflective membrane glass bead and preparation method thereof |
| CN104965251A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for industrial safety identification reflective film and preparation method thereof |
| CN104965247A (en) * | 2015-07-01 | 2015-10-07 | 合肥鼎亮光学科技有限公司 | Glass bead for outdoor advertisement reflective membrane and preparation method thereof |
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