CN103612456B - A kind of antistatic scratching-resistingprotective protective film and preparation method thereof - Google Patents
A kind of antistatic scratching-resistingprotective protective film and preparation method thereof Download PDFInfo
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- CN103612456B CN103612456B CN201310648774.0A CN201310648774A CN103612456B CN 103612456 B CN103612456 B CN 103612456B CN 201310648774 A CN201310648774 A CN 201310648774A CN 103612456 B CN103612456 B CN 103612456B
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Abstract
The invention discloses a kind of antistatic scratching-resistingprotective protective film and preparation method thereof, it has good scratch resistance function, well can prevent again the generation of electrostatic simultaneously, thus substantially increase serviceability and the quality of diaphragm.The present invention includes: transparent cuticula, compo layer, transparent membrane, adhered layer, coating layer, transparent cuticula is provided with on transparent membrane, compo layer is introduced between transparent membrane and transparent cuticula, below transparent membrane, be provided with coating layer, between transparent membrane and coating layer, introduce adhered layer.The present invention to diaphragm there is anlistatig function, can be applicable to the protection of the display screens such as digital camera, mobile phone screen, computer screen.
Description
Technical field
The present invention relates to a kind of diaphragm, be specifically related to a kind of antistatic scratching-resistingprotective protective film for the LCDs such as mobile phone, notebook computer.
Background technology
Along with the fast development of electronic product science and technology, make more people have electronic product, diaphragm can play beauty treatment electronic product, extends the effect in electronic product life-span.Therefore, more electronic product owner is ready to use diaphragm.
Along with the development of touch screens, capacitance plate, touch-screen is applied in all trades and professions, and people are in the process using touch-screen, usually can screen be caused to be scraped off because of improper use, thus reduces the usability of product.
Therefore people in use usually can, by pasting one deck safeguard film for cellular phone, make it protect screen not to be scraped off.But the existing diaphragm commercially used is all that polyester material is made mostly; these diaphragms can produce a large amount of electrostatic in production and use procedure; make consumer in use excessive due to electrostatic and the dust easily adsorbed in environment; in subsides screen process, easily produce bubble, thus make to occur a large amount of quality problem in products application process.
Summary of the invention
The present invention is directed to above problem, provide a kind of antistatic scratching-resistingprotective protective film, it has good scratch resistance function, well can prevent again the generation of electrostatic simultaneously, thus substantially increase serviceability and the quality of diaphragm.
For achieving the above object, the present invention adopts following scheme:
A kind of antistatic scratching-resistingprotective protective film, the light transmittance of diaphragm is more than 93%, it includes: transparent cuticula, compo layer, transparent membrane, adhered layer, coating layer (hyaline membrane), transparent cuticula is provided with on transparent membrane, compo layer is introduced between transparent membrane and transparent cuticula, below transparent membrane, be provided with coating layer (hyaline membrane), between transparent membrane and coating layer, introduce adhered layer;
Compo layer is formed at transparent membrane coated on one side antistatic coating solution, compo layer adopts the mixture of antisatic additive and polyacrylate polymer compound, other adjuvant, compo layer is provided with transparent cuticula away from the one side of transparent membrane, be coated with the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive formation adhered layer at transparent membrane another side, adhered layer is provided with coating layer away from the one side of transparent membrane;
Its raw material of antistatic coating solution composition and weight portion are:
Wherein in some embodiments, described polyacrylate is one or more in epoxy acrylate, polyester acrylate, polyether acrylate; Antisatic additive be cationic antistatic additive, nonionic antisatic additive one or more; Cationic antistatic additive is octadecyldimethyl carboxyethyl salt, and nonionic antisatic additive is ethoxylated fat race alkyls, is be scattered in antistatic coating solution by ultrasonic wave Homogeneous phase mixing, forms mixed solution: antistatic coating solution.
Wherein in some embodiments, described defoamer is polysiloxane-based, and one or more being specially in dimethicone, fluorine richness polysiloxanes, polysiloxane emulsion polysiloxane-based mix; Levelling agent be polyacrylate, organic siliconresin class one or both; Crosslinking agent is outside cross-linking agent, outside cross-linking agent be specially polyethylene glycol, polypropylene glycol, acrylic acid, methacrylic one or more; Diluent is one or more in ethyl acetate, n-butyl acetate, isobutyl acetate, butanone, acetone, methyl iso-butyl ketone (MIBK).
Wherein in some embodiments, described antistatic coating solution is coated on transparent membrane by the mode of nick roller coat cloth, forms required anti-static function coating: compo layer, one-shot forming after UV solidification; The surface accuracy of nick roller is 1 ~ 5 μm, and nick roller surface is the grid configuration of intersection twill, and the order number of nick roller is 30 ~ 150 lines.Compo layer coating thickness is 3 ~ 10 μm, and case hardness reaches more than 3H; The surperficial resistance of this coating is 10
7~ 10
10Ω, antistatic effect has permanent, and antistatic effect is not by the humidity effect of surrounding, and the light transmittance of obtained diaphragm is more than 93%.
Wherein in some embodiments, described transparent membrane adopts: triacetylcellulose film TAC, pet film PET, its refractive index is between 1.5 ~ 1.7, and base material thickness is 25 μm ~ 250 μm.
Wherein in some embodiments, described adhered layer, its resin glue can be selected according to affixed object surface characteristic or application function, but it must have the characteristic of high transparency, and the glue of adhesive linkage can be the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive.
Wherein in some embodiments, described transparent cuticula thickness is 25 ~ 75 μm, and compo layer thickness is 3 ~ 10 μm, and transparent membrane thickness is 25 ~ 250 μm, and adhered layer thickness is 20 ~ 50 μm, and coating layer thickness is 25 ~ 75 μm.
Wherein in some embodiments, described transparent cuticula, coating layer base material adopt bidirectional stretching polypropylene film (BOPP), PETG (PET), any one in polyethylene film (PE).
Prepare a method for antistatic scratching-resistingprotective protective film, its preparation method is as follows:
1., first by the polyacrylic acid lipid of described weight portion, diluent, cation photocuring agent, defoamer, levelling agent, crosslinking agent mixing, obtain mixed solution, again antisatic additive ultrasonic wave is scattered in mixed solution, fully mixes, obtain antistatic coating solution;
2., then on transparent membrane, be coated with this antistatic coating solution by roll coating process, penetrate through UV illumination the functional coating being formed after solidification and there is anti-scratch antistatic: compo layer;
3. the compo layer another side Electrostatic Absorption, after solidification is fitted or is pasted transparent cuticula;
4., then by the mode of scraper for coating, the other one side that the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive are coated on transparent membrane is formed adhered layer;
5., thickness is that the coating layer of 50 μm ~ 100 μm and adhered layer are fitted;
Antistatic scratching-resistingprotective protective film finished product can be prepared.
Antistatic scratching-resistingprotective protective film involved in the present invention is except having that the installation that traditional protection film has is simple and convenient, except exhaust velocity soon, do not stay the feature of cull, transparent membrane is coated with the mixed solution of antisatic additive and polyacrylate polymer compound, obtain anlistatig compo layer, make the diaphragm related to have anlistatig function; Compo layer makes it have the anti-effect recklessly spent, and can be applicable to the protection of the display screens such as digital camera, mobile phone screen, computer screen.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the embodiment of the present invention.
Description of reference numerals is as follows:
Transparent cuticula 1, compo layer 2, transparent membrane 3, adhered layer 4, coating layer 5.
Detailed description of the invention
For feature of the present invention, technological means and the specific purposes reached, function can be understood further, resolve the advantages and spirit of the present invention, now set forth the technical solution used in the present invention, technical characteristic and technique effect further in conjunction with instantiation, by following examples, the present invention is further elaborated, and the claims in the present invention are not limited to lifted case study on implementation.
Antisatic additive ultrasonic wave is first scattered in polyacrylic acid lipid, diluent, cation photocuring agent, defoamer, levelling agent, crosslinking agent by the present invention, fully mix, form antistatic coating solution, then on transparent membrane 3, be coated with this antistatic coating solution by roll coating process, penetrate formation after solidification through UV illumination and there is functional coating that is anti-scratch, antistatic: compo layer 2; Finally form adhered layer 4 by the other one side that silica gel or pressure sensitive adhesive to be coated on transparent membrane 3 by the mode of scraper for coating.
Antistatic coating solution is that following material forms by different weight:
Polyacrylate is one or more in epoxy acrylate, polyester acrylate, polyether acrylate.Defoamer is polysiloxane-based, and one or more being wherein specially in dimethicone, fluorine richness polysiloxanes, polysiloxane emulsion mix.Levelling agent be polyacrylate, organic siliconresin class one or both.Crosslinking agent is outside cross-linking agent: be specially polyethylene glycol, polypropylene glycol, acrylic acid, methacrylic one or more.Diluent is one or more in ethyl acetate, n-butyl acetate, isobutyl acetate, butanone, acetone, methyl iso-butyl ketone (MIBK).
Antisatic additive be cationic antistatic additive, nonionic antisatic additive one or more, cationic antistatic additive is octadecyldimethyl carboxyethyl salt, nonionic antisatic additive is ethoxylated fat race alkyls etc., be be scattered in antistatic coating solution by ultrasonic wave Homogeneous phase mixing, form mixed solution.Antistatic coating solution coats on transparent membrane 3 by the mode of nick roller coat cloth, forms required anti-static function coating: compo layer 2, one-shot forming after UV solidification.The surface finish requirements of nick roller is 1 ~ 5 μm, and the grid configuration for intersection twill of nick roller, the order number of nick roller is 30 ~ 150 lines.
Compo layer 2 coating thickness is 3 ~ 10 μm, and case hardness reaches more than 3H; The surperficial resistance of this coating is 10
7~ 10
10Ω, antistatic effect has permanent, and antistatic effect is not by the humidity effect of surrounding, and the light transmittance of obtained diaphragm is more than 93%.
Transparent cuticula 1, coating layer 5 base material adopt: any one in bidirectional stretching polypropylene film (BOPP), PETG (PET), polyethylene film (PE).
Transparent cuticula 1 is fitted by Electrostatic Absorption or is pasted compo layer 2 surface after hardening.
Transparent membrane 3 adopts: triacetylcellulose film TAC, pet film PET etc., and its refractive index should remain between 1.5 ~ 1.7, and selection thickness is the base material of 25 μm ~ 250 μm.
Adhered layer 4, its resin glue can be selected according to affixed object surface characteristic or application function, but it must have the characteristic of high transparency, and the glue of adhesive linkage 4 can be the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive.
Transparent cuticula 1 thickness is 25 ~ 75 μm, and compo layer 2 thickness is 3 ~ 10 μm, and transparent membrane 3 thickness is 25 ~ 250 μm, and adhered layer 4 thickness is 20 ~ 50 μm, and coating layer 5 thickness is 25 ~ 75 μm.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. an antistatic scratching-resistingprotective protective film, be characterised in that, the light transmittance of diaphragm is more than 93%, diaphragm includes: transparent cuticula (1), compo layer (2), transparent membrane (3), adhered layer (4), coating layer (5), transparent cuticula (1) is provided with on described transparent membrane (3), compo layer (2) is introduced between described transparent membrane (3) and transparent cuticula (1), coating layer (5) is provided with below described transparent membrane (3), adhered layer (4) is introduced between described transparent membrane (3) and coating layer (5),
Compo layer (2) is formed at described transparent membrane (3) coated on one side antistatic coating solution, described compo layer (2) is provided with transparent cuticula (1) away from the one side of transparent membrane (3), be coated with the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive formation adhered layer (4) at described transparent membrane (3) another side, described adhered layer (4) is provided with coating layer (5) away from the one side of transparent membrane (3);
Its raw material of described antistatic coating solution composition and weight portion are:
Wherein, described polyacrylate is one or more in epoxy acrylate, polyester acrylate, polyether acrylate; Described antisatic additive is one or more in cationic antistatic additive, nonionic antisatic additive; Described cationic antistatic additive is octadecyldimethyl carboxyethyl salt, and nonionic antisatic additive is ethoxylated fat race alkyls.
2. according to a kind of antistatic scratching-resistingprotective protective film according to claim 1, it is characterized in that, described defoamer is polysiloxane-based, and one or more being specially in dimethicone, fluorine richness polysiloxanes, polysiloxane emulsion polysiloxane-based mix; Described levelling agent be polyacrylate, organic siliconresin class one or both; Described crosslinking agent is outside cross-linking agent, outside cross-linking agent be specially polyethylene glycol, polypropylene glycol, acrylic acid, methacrylic one or more; Described diluent is one or more in ethyl acetate, n-butyl acetate, isobutyl acetate, butanone, acetone, methyl iso-butyl ketone (MIBK).
3. according to a kind of antistatic scratching-resistingprotective protective film according to claim 1; it is characterized in that; described antistatic coating solution is coated on transparent membrane (3) by the mode of nick roller coat cloth; required anti-static function coating is formed: compo layer (2) after UV solidification; the surface accuracy of described nick roller is 1 ~ 5 μm; described nick roller surface is the grid configuration of intersection twill, and the order number of described nick roller is 30 ~ 150 lines.
4. according to a kind of antistatic scratching-resistingprotective protective film according to claim 3, it is characterized in that, described compo layer (2) coating thickness is 3 ~ 10 μm, and described compo layer (2) case hardness reaches more than 3H; The surperficial resistance of described compo layer (2) is 10
7~ 10
10Ω.
5. according to a kind of antistatic scratching-resistingprotective protective film according to claim 1; it is characterized in that; described transparent membrane (3) adopts: triacetylcellulose film TAC or pet film PET; described transparent membrane (3) refractive index is between 1.5 ~ 1.7, and the thickness of described transparent membrane (3) is 25 μm ~ 250 μm.
6. a kind of antistatic scratching-resistingprotective protective film according to claim 1; it is characterized in that; described transparent cuticula (1) thickness is 25 ~ 75 μm; described compo layer (2) thickness is 3 ~ 10 μm; described transparent membrane (3) thickness is 25 ~ 250 μm; described adhered layer (4) thickness is 20 ~ 50 μm, and described coating layer (5) thickness is 25 ~ 75 μm.
7. a kind of antistatic scratching-resistingprotective protective film according to claim 1; it is characterized in that, described transparent cuticula (1), coating layer (5) base material adopt bidirectional stretching polypropylene film, PETG, any one in polyethylene film.
8. prepare a method for the antistatic scratching-resistingprotective protective film according to any one of claim 1 ~ 7, it is characterized in that, preparation method is as follows:
1., first by the polyacrylate of described weight portion, diluent, cation photocuring agent, defoamer, levelling agent, crosslinking agent mixing, obtain mixed solution, again antisatic additive ultrasonic wave is scattered in described mixed solution, fully mixes, obtain antistatic coating solution;
2., then on transparent membrane (3), be coated with this antistatic coating solution by roll coating process, penetrate formation after solidification through UV illumination and there is functional coating that is anti-scratch, antistatic: compo layer (2);
3. compo layer (2) the another side Electrostatic Absorption, after solidification is fitted or is pasted transparent cuticula (1);
4., then by the mode of scraper for coating, the other one side that the liquid add-on type silica gel of high venting quality or strong sticky type pressure sensitive adhesive are coated on transparent membrane (3) is formed adhered layer (4);
5., thickness is that coating layer (5) and the adhered layer (4) of 50 μm ~ 100 μm is fitted;
Antistatic scratching-resistingprotective protective film finished product can be prepared.
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