CN101598830A - Reusable three-dimensional polarized glass polaroid and use the glasses of this polaroid - Google Patents
Reusable three-dimensional polarized glass polaroid and use the glasses of this polaroid Download PDFInfo
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- CN101598830A CN101598830A CNA2009101086634A CN200910108663A CN101598830A CN 101598830 A CN101598830 A CN 101598830A CN A2009101086634 A CNA2009101086634 A CN A2009101086634A CN 200910108663 A CN200910108663 A CN 200910108663A CN 101598830 A CN101598830 A CN 101598830A
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Abstract
The invention provides a kind of reusable solid (3D) polaroid glasses polaroid and use the glasses of this polaroid, polaroid of the present invention comprises a diaphragm, anti scuffing Triafol T (TAC) film, a phasic difference film, an anti scuffing light polarizing film, a diaphragm successively.The slow axis of the absorption axes of anti scuffing light polarizing film and phasic difference film forms 40 ° to 50 ° angle or 130 ° to 140 ° angle.The polaroid of a kind of reusable solid of the present invention (3D) polaroid glasses can effectively prevent to be scratched, and the hardness effect of anti scuffing can reach more than the 2H, to prolong product serviceable life.
Description
Technical field
The present invention relates to a kind of reusable solid (3D) polaroid glasses polaroid, and the glasses that use this polaroid, this kind polaroid and glasses can effectively prevent from use to be scratched, scratch, scratch.
Background technology
Common polaroid glasses polaroid and use the glasses of this polaroid glasses polaroid as easy as rolling off a log in use because the polaroid surface is stained with dust or other foul, cause the polaroid surface to scratch during wiping and influence result of use, so planting the polaroid glasses polaroid and use the glasses of this polaroid glasses polaroid can only be disposable use, wastes resource and cost greatly.And this problem can not get solving all the time.
Summary of the invention
The technical problem to be solved in the present invention is: the glasses that overcome existing polaroid glasses polaroid and use this polaroid are scratched when wiping easily causes the problem that shortens serviceable life, provide a kind of can effectively prevent to scratch polaroid prolong product serviceable life the polaroid glasses polaroid and use the glasses of this polaroid.The skin hardness of this polaroid anti scuffing can reach more than the 2H.
In order to solve the problems of the technologies described above, the present invention proposes following technical scheme: a kind of reusable three-dimensional polarized glass polaroid, and it comprises one first diaphragm, an anti scuffing three cellulose acetate membrane, a phasic difference film, an anti scuffing light polarizing film, one second diaphragm successively; This polaroid is by after anti scuffing light polarizing film and phasic difference film are compound, compound once more at the non-anti scuffing face of compound back phasic difference face and anti scuffing three cellulose acetate membrane again, fit in both sides at last first diaphragm and second diaphragm forms finished product, and wherein: the skin hardness of described anti scuffing three cellulose acetate membrane is more than 2H; Relation and the interior phase differential Re of face that described phasic difference film has nx＞ny=nz are 100 to 160nm; The slow axis of the absorption axes of described light polarizing film and described phasic difference film forms 40 ° to 50 ° angle, perhaps 130 ° to 140 ° angle; Described light polarizing film is the anti scuffing light polarizing film, and the skin hardness of Triafol T (TAC) film of its one side is more than 2H; It is the interior refractive index of slow-axis direction that symbol " nx " refers to the direction that refractive index in the largest face is provided, it is refractive index in the quick shaft direction that symbol " ny " refers in same plane direction perpendicular to slow axis, symbol " nz " refers to the refractive index of thickness direction, term " phase difference value Re in the face " refers under 23 ℃, use wavelength to be phase difference value in the face of the film (layer) of the light measurement of 590nm, Re can determine from formula Re=(nx-ny) * d, here nx and ny represent the refractive index of the film (layer) of slow-axis direction and quick shaft direction under the wavelength of 590nm, the thickness of d (nm) expression film (layer) respectively.
The present invention also proposes a kind of glasses, and these glasses include above-mentioned reusable three-dimensional polarized glass polaroid.
The present invention has following beneficial effect: a Triafol T (TAC) film of anti scuffing Triafol T (TAC) film of a kind of reusable three-dimensional polarized glass polaroid of the present invention and anti scuffing light polarizing film is the special material that can effectively prevent to scratch, its skin hardness can reach more than the 2H, have higher scratch resistance and transmitance, can effectively prevent to scratch, therefore the serviceable life that can prolong the polaroid glasses polaroid and use the glasses of this polaroid glasses polaroid.
Description of drawings
Fig. 1 is the schematic cross-section of a kind of reusable solid of the present invention (3D) polaroid glasses polaroid.
Fig. 2 is the decomposing schematic representation of a kind of reusable solid of the present invention (3D) polaroid glasses polaroid.
Embodiment
See also Fig. 1 and Fig. 2; the present invention proposes a kind of reusable three-dimensional polarized glass polaroid, and it comprises one first diaphragm 1, anti scuffing Triafol T (TAC) film 2, a phasic difference film 3, an anti scuffing light polarizing film 4, one second diaphragm 5 successively.Above-mentioned each layer is combined with each other by compounding machine.
At first explain the definition of term and symbol in the instructions of the present invention.
(1) symbol " nx " refers to the refractive index in the direction (being slow-axis direction) that refractive index in the largest face is provided, and symbol " ny " refers in same plane perpendicular to the refractive index in the direction (being quick shaft direction) of slow axis.Symbol " nz " refers to the refractive index of thickness direction.And for example expression formula " nx=ny " not only refers to the situation that nx and ny equate fully, also comprises the situation that nx and ny equate substantially.In instructions of the present invention, phrase " equal substantially " comprises in actual applications, in the scope that the whole polarization property to the polaroid that disposes the phasic difference film can not exert an influence, and the unequal situation of nx and ny.
(2) term " phase difference value Re in the face " refers under 23 ℃, uses wavelength to be phase difference value in the face of the film (layer) of the light measurement of 590nm.Re can determine from formula Re=(nx-ny) * d, and here nx and ny represent the refractive index of the film (layer) of slow-axis direction and quick shaft direction under the wavelength of 590nm, the thickness of d (nm) expression film (layer) respectively.
This phasic difference rete 3 has the relation of nx＞ny=nz, and its face internal resistance phase differential Re is 100 to 160nm.
As shown in Figure 2, phasic difference rete 3 is by compound angle theta for making that its slow axis B and 4 formation of anti scuffing light polarizing film are scheduled to, left eye polaroid angle θ rotates 40 ° to 50 ° with respect to the absorption axes A of anti scuffing light polarizing film 4 towards counter clockwise direction, and preferred 43 ° to 47 °, more preferably 44 ° to 46 °.Right eye polaroid angle θ with respect to the absorption axes A of anti scuffing light polarizing film 4 towards 0 ° to 140 ° of counter clockwise direction ROT13, preferred 133 ° to 137 °, more preferably 134 ° to 136 °.
The principal ingredient material of this anti scuffing Triafol T (TAC) film 2 is a transparent resin, includes Triafol T (TAC) film, polyimide based resin, polyvinyl alcohol resin or glassy polymers.Preferred especially Triafol T (TAC) film.This film surface has the anti scuffing of carrying out to handle, and skin hardness is more than 2H.
With reference to figure 1, this anti scuffing Triafol T (TAC) film 2 is compounded in the surface of phasic difference rete 3, and these anti scuffing Triafol T (TAC) film 2 anti scuffing treated sides outwardly, and promptly non-anti scuffing treated side of this film and phasic difference rete 3 are compound.Typically, the non-anti scuffing treated side coating pressure-sensitive adhesive layer (figure does not show) at this film is compounded in phasic difference rete 3 surfaces with anti scuffing Triafol T (TAC) film 2 subsequently.
The thickness of above-mentioned pressure-sensitive adhesive layer can suitably be set according to the purposes of expecting, bond strength etc.Specifically, the thickness of preferred pressure-sensitive adhesive layer be 1um to 100um, more preferably 5um is to 50um, most preferably 10um is to 30um.
Any suitable contact adhesive can be as the contact adhesive that forms pressure-sensitive adhesive layer.Its object lesson comprises solvent-borne type contact adhesive, nonaqueous emulsion type contact adhesive, aqueous pressure sensitive adhesive and hot melt pressure sensitive adhesive.The preferred use contained the solvent-borne type contact adhesive of acrylate copolymer as base polymer, because it can show for the suitable pressure-sensitive adhesion performance (wettability, cohesiveness and cohesive) of anti scuffing Triafol T (TAC) film 2 and phasic difference film 3 and excellent optical clarity, against weather and thermotolerance is provided.
Phasic difference Re is 100 to 160nm in the face of this phasic difference film 3, preferred 120 to 140nm, more preferably 125 arrive 138nm, and the index distribution of phasic difference film is nx＞ny=nz.
The thickness of this phasic difference film 3 is 20 to 150um, more preferably 35 arrives 100um, most preferably 40 arrives 65um.
This anti scuffing light polarizing film 4 comprises three layers, and promptly the middle layer is that polyvinyl alcohol (PVA) (PVA) film (figure does not show), both sides respectively are Triafol T (TAC) film (figure does not show), and wherein one side is anti scuffing Triafol T (TAC) film.This light polarizing film production run is as follows: the aqueous solution that polyvinyl alcohol (PVA) (PVA) film is immersed iodine is to dye and this film to be stretched to 3 to 7 times of original length.Aqueous solution can contain boric acid, zinc sulfate, zinc chloride etc. as required, and perhaps the polyvinyl alcohol film can immerse in the aqueous solution of potassium iodide etc.And, the polyvinyl alcohol film can be soaked in water and cleans as required.
Water cleans the polyvinyl alcohol film not only can remove the dirt or the flush away detackifier on striping surface, can also expand to prevent the non-uniform phenomenon of uneven dyeing for example etc. by making the polyvinyl alcohol film.Can be after the process that film is dyeed with iodine, among or before this film is stretched.Stretching can be carried out in the aqueous solution of boric acid or potassium iodide or in the water-bath.
Polyvinyl alcohol (PVA) after stretching is finished (PVA) film is very thin; be protection polyvinyl alcohol (PVA) (PVA) film; so each compound one deck Triafol T (TAC) film forms the trilamellar membrane structure in polyvinyl alcohol (PVA) (PVA) film both sides; light polarizing film; wherein one side is anti scuffing Triafol T (TAC) film, and the non-anti scuffing face and polyvinyl alcohol (PVA) (PVA) film of this anti scuffing Triafol T (TAC) film are compound.
With reference to figure 1, anti scuffing light polarizing film 4 be compounded in phasic difference rete 3 the surface and this light polarizing film anti scuffing treated side outwardly, promptly these light polarizing film 4 non-anti scuffing treated sides and phasic difference rete 3 are compound.Typically, the non-anti scuffing treated side coating pressure-sensitive adhesive layer (figure does not show) in this light polarizing film 4 is compounded in phasic difference rete 3 surfaces with this light polarizing film 4 subsequently.
In aforementioned part, describe such pressure-sensitive adhesive layer in detail.
When reality is used this polaroid, for preventing the polaroid various pollutions in surface, usually will be at each compound last layer diaphragm of polaroid both side surface.Can be used as second diaphragm 5 as any suitable diaphragm of polaroid.Kind as this second diaphragm 5 is used tygon (PE) film usually; Polyester (PET) film.
The method of production polaroid glasses polaroid of the present invention is as follows: a kind of reusable solid of the present invention (3D) polaroid glasses polaroid can carry out compound production to above-mentioned each layer by above-mentioned pressure-sensitive adhesive layer.Can adopt any suitable complex method, as long as the angle θ that each layer forms at the optic axis of compound tense phasic difference film is in the afore mentioned rules scope.Concrete complex method is: the first step, and elder generation carries out the non-anti scuffing face of the phasic difference film 3 of being furnished with optic axis angle θ and anti scuffing light polarizing film 4 compound, outside the polaroid anti scuffing faces; Second step, again the phasic difference face of the compound product of the non-anti scuffing face of anti scuffing Triafol T (TAC) film 2 and the first step is carried out compound, outside promptly the anti scuffing of anti scuffing Triafol T (TAC) film 2 faces; The 3rd step, first diaphragm 1 and second diaphragm 5 be compounded in respectively second go on foot the product after compound both sides polaroid glasses polaroid finished product.
Reusable solid of the present invention (3D) polaroid glasses polaroid can suitably be used for various polaroid glasses, particularly three-dimensional (3D) polaroid glasses.
The case introduction of actual production polaroid glasses polaroid: (buy from Kuraray Co. with buying polyvinyl alcohol (PVA) (PVA) film of returning, Ltd.) in containing the aqueous solution of iodine, dye and in borated aqueous solution, stretch, promptly uniaxial tension arrives 5 double-length degree of about former length between the roller of friction speed ratio, thereby obtains continuous polaroid.(buy from Lofo Co., Ltd.) both sides that adhere to polyvinyl alcohol (PVA) (PVA) film are as supporting layer, and wherein one side is anti scuffing Triafol T (TAC) film with buying Triafol T (TAC) film of returning with PVA class bonding agent.Thereby obtaining gross thickness is the light polarizing film (TAC/PVA/TAC) of 200um, and the absorption axes of light polarizing film is decided to be vertically.This light polarizing film width specifications is 510 ± 5mm, and length can be decided according to the actual requirements, and is generally the 200M/ volume.(buy buying the phasic difference film of returning from KanekaCo., Ltd.) it is compound to be made into required angle (45 °, 135 °) and the non-anti scuffing face of light polarizing film, compound the phasic difference face of the product after the non-anti scuffing face of anti scuffing Triafol T (TAC) film and above-mentioned compound the finishing again, anti scuffing Triafol T (TAC) film anti scuffing face and anti scuffing polaroid anti scuffing face are all outwardly after promptly compound the finishing.At last at above-mentioned compound back product both sides composite polyethylenes (PE) diaphragm, thereby obtain as shown in Figure 1 a kind of reusable solid (3D) polaroid glasses polaroid finished product.
Claims (2)
1, a kind of reusable three-dimensional polarized glass polaroid; it comprises one first diaphragm, an anti scuffing three cellulose acetate membrane, a phasic difference film, an anti scuffing light polarizing film, one second diaphragm successively; it is characterized in that: this polaroid is by after anti scuffing light polarizing film and phasic difference film are compound; compound once more at the non-anti scuffing face of compound back phasic difference face and anti scuffing three cellulose acetate membrane again; fit in both sides at last first diaphragm and second diaphragm forms finished product, wherein:
The skin hardness of described anti scuffing three cellulose acetate membrane is more than 2H;
Relation and the interior phase differential Re of face that described phasic difference film has nx＞ny=nz are 100 to 160nm;
The slow axis of the absorption axes of described light polarizing film and described phasic difference film forms 40 ° to 50 ° angle, perhaps 130 ° to 140 ° angle;
Described light polarizing film is the anti scuffing light polarizing film, and the skin hardness of Triafol T (TAC) film of its one side is more than 2H;
It is the interior refractive index of slow-axis direction that symbol " nx " refers to the direction that refractive index in the largest face is provided, it is refractive index in the quick shaft direction that symbol " ny " refers in same plane direction perpendicular to slow axis, symbol " nz " refers to the refractive index of thickness direction, term " phase difference value Re in the face " refers under 23 ℃, use wavelength to be phase difference value in the face of the film (layer) of the light measurement of 590nm, Re can determine from formula Re=(nx-ny) * d, here nx and ny represent the refractive index of the film (layer) of slow-axis direction and quick shaft direction under the wavelength of 590nm, the thickness of d (nm) expression film (layer) respectively.
2, a kind of glasses that use the described polaroid of this claim 1 is characterized in that: these glasses include above-mentioned reusable three-dimensional polarized glass polaroid.
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| CN2009101086634A CN101598830B (en) | 2009-07-10 | 2009-07-10 | Reusable three-dimensional polarized glass polarizer and glasses using same |
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| CN2009101086634A CN101598830B (en) | 2009-07-10 | 2009-07-10 | Reusable three-dimensional polarized glass polarizer and glasses using same |
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