CN102898890A - Baking-curable light-guide printing ink and light-guide plate employing the printing ink - Google Patents
Baking-curable light-guide printing ink and light-guide plate employing the printing ink Download PDFInfo
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- CN102898890A CN102898890A CN2011102130839A CN201110213083A CN102898890A CN 102898890 A CN102898890 A CN 102898890A CN 2011102130839 A CN2011102130839 A CN 2011102130839A CN 201110213083 A CN201110213083 A CN 201110213083A CN 102898890 A CN102898890 A CN 102898890A
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Abstract
The invention relates to a baking-curable light-guide printing ink and a light-guide plate employing the printing ink. The light-guide printing ink comprises the components of: a polymer obtained by a cross-linking reaction of polymethacrylic resin and polyester acrylate and grafting reactions of light-guide powder with polymethacrylic resin and polyester acrylate respectively, and a solvent. According to the light-guide printing ink, through the chemical reactions, the light-guide powder is grafted in the polymer, such that the light-guide printing ink has a quantum optical effect, and is provided with an excellent optical performance. Also, as a result of practice, the curing temperature of the light-guide printing ink is low, and the curing temperature is below 60 DEG C. The light-guide plate employing the light-guide printing ink has extremely high light-guide uniformity and light transmittance, high optical performance, and excellent screen-printing performance.
Description
[technical field]
The present invention relates to a kind of light guide ink, particularly relate to a kind of light guide ink of baking-curing and use the light guiding plate of this printing ink.
[background technology]
Liquid-crystal display generally comprises liquid crystal panel and backlight module etc.Backlight module generally comprises light guiding plate, reflector, light source etc.
Light guiding plate is acryl or the PC sheet material that utilizes optical grade, and utilizes light guide ink to stamp light guiding points by screen printing technology in the sheet material bottom surface.The light that utilizes sheet material to draw to send from light source is in the stop of plate surface, and when light was mapped to each light guiding points, reflected light can toward all angles diffusion, then destroy conditioned reflex and penetrate by light guiding plate is positive.Light guiding plate mainly by various densitys, light guiding points not of uniform size, makes the light guiding plate uniformly light-emitting.The purposes of reflector plate is the luminous reflectance that expose the bottom surface is returned in the light guiding plate, is used for improving the service efficiency of light.
The one-tenth branch of light guide ink directly has influence on the quality of light guiding points, thereby the light guiding plate state depends on (comprise brightness and light and be evenly distributed on degree on the indicating meter) component of light guide ink simultaneously.
[summary of the invention]
Based on this, be necessary to provide preferably light guide ink of a kind of optical property.
Preferably light guiding plate of a kind of optical property is provided simultaneously.
A kind of baking-curing light guide ink comprises following component:
Polymethacrylate resin and polyester acrylic fat generation crosslinking reaction, and the polymkeric substance that generates with polymethacrylate resin, polyester acrylic fat generation graft reaction respectively of leaded light powder;
And solvent.
In a preferred embodiment, it is as follows to prepare the proportioning raw materials of described light guide ink:
Polymethacrylate resin: the 15-30 weight part,
Described polyester acrylic fat: the 1-5 weight part,
Described leaded light powder: the 2-20 weight part,
Described solvent: 30-65 weight part.
In a preferred embodiment, it is as follows to prepare the proportioning raw materials of described light guide ink:
Described polymethacrylate resin raw material is 25 weight parts,
Described polyester acrylic fat: 2 weight parts,
Described leaded light powder raw material is 10 weight parts,
Described solvent is 61.5 weight parts.
In a preferred embodiment, the molecular weight ranges of described polymethacrylate resin is between the 1000-200000.
In a preferred embodiment, described leaded light powder take methyltrimethoxy silane as raw material through hydrolysis, the polymethsiloxane microspheres made of polycondensation process; The pH=4.0 of described hydrolytic process～6.0, the described water oil ratio that feeds intake is less than 1/4; The pH=7.0 of described polycondensation process～9.0, the particle diameter of described polymethsiloxane microspheres are 0.5-15 μ m.
In a preferred embodiment, the raw material for preparing described light guide ink also comprises:
The dispersion agent of 1-5 weight part, the defoamer of 0.01-2 weight part, and the coupling agent of 0.5-1.5 weight part.
In a preferred embodiment, described dispersion agent is 3 weight parts, and described defoamer is 0.5 weight part, and described catalyzer is 2.5 weight parts, and described coupling agent is the 0.5-1.5 weight part.
In a preferred embodiment, the raw material for preparing described light guide ink also comprises: the catalyzer of 1-5 weight part.
In a preferred embodiment, the temperature of described leaded light powder and polymethacrylate resin or polyester acrylate generation graft reaction is controlled at below 50 degree, and stirring velocity is at 300r/min-400R/min, and the reaction times was controlled between 1-2 hour.
A kind of light guiding plate, comprise transparency carrier and be arranged on light guide ink layer on the transparency carrier, described light guide ink layer by the light guide ink silk screen printing on described transparency carrier and baking-curing form, described light guide ink is the described baking-curing light guide ink of any one in the claim 1-9 item.
Above-mentioned light guide ink and use the light guiding plate of this light guide ink, preparation is during light guide ink, the leaded light powder respectively with polymethacrylate resin, polyester acrylic fat generation grafting chemical reaction, minor matters are among polymer architecture, make light guide ink produce the quantum optical effect, have good optical property.Polyester acrylic fat and polymethacrylate resin generation crosslinking reaction are filled in the slit of polymethacrylate resin, when light guide ink solidifies, avoid being expressed to leaded light powder microballoon owing to polymethacrylate resin shrinks severity, thereby avoid the leaded light powder to have influence on the optical property of printing ink because of crimp.Add the optical indexes such as scattered power that polyester acrylate improves light guiding plate before the baking-curing.Increase simultaneously the toughness of light guiding plate, thermotolerance, wear resistance etc.Polymethacrylate resin makes light guide ink have good sticking power, and the leaded light powder can not assembled or be come off, thereby plays the effect of good scattered light.Also lower by facts have proved this light guide ink solidification value simultaneously.Use the light guiding plate leaded light homogeneity transmittance of this light guide ink all high, optical property is very high, and the silk-screen performance is also splendid.
[description of drawings]
Fig. 1 is the structural representation of the light guiding plate of one embodiment of the invention.
[embodiment]
The below adopts specific embodiment that the present invention is further specified.
A kind of baking-curing light guide ink of the present invention comprises following component: polymethacrylate resin and polyester acrylic fat generation crosslinking reaction, and the polymkeric substance that generates with polymethacrylate resin, polyester acrylic fat generation graft reaction respectively of leaded light powder; And solvent.
The leaded light powder of one embodiment of the present invention is the polymethsiloxane microspheres of making through hydrolysis, polycondensation process take methyltrimethoxy silane (MTMS) as raw material.The pH=4.0 of hydrolytic process～6.0 wherein, the water oil ratio that the feeds intake mol ratio of water (methyltrimethoxy silane (MTMS) with) is less than 1/4.Control pH=7.0～9.0 in the polycondensation process.The leaded light powder of present embodiment is spherical silicone resin, and its particle diameter is 0.5-15 μ m.
Leaded light powder in the light guide ink respectively with polymethacrylate resin, polyester acrylic fat generation grafting chemical reaction, minor matters make light guide ink produce the quantum optical effect among polymer architecture, have good optical property.Polyester acrylic fat and polymethacrylate resin generation crosslinking reaction are filled in the atom slit of polymethacrylate resin.Because polyester acrylic fat and polymethacrylate resin generation crosslinking reaction are filled in the atom slit of polymethacrylate resin, when light guide ink solidifies, avoid being expressed to leaded light powder microballoon owing to polymethacrylate resin shrinks severity, thereby avoid the leaded light powder to have influence on the optical property of printing ink because of crimp.Polyester acrylic fat has improved the optical indexes such as specific refractory power of resin, increases simultaneously the toughness of resin, thermotolerance, wear resistance etc.
Leaded light powder and polymethacrylate resin generation graft reaction, minor matters are among polymethacrylate resin, and polymethacrylate resin tightly is bonded in the leaded light powder on the light guiding plate simultaneously, can not come off, so that light guide ink plays the effect of good scattered light.
The proportioning raw materials of preparation light guide ink of the present invention is as follows: polymethacrylate resin: 15-30 weight part; Polyester acrylic fat: 1-5 weight part; Leaded light powder: 2-20 weight part; Solvent: 30-65 weight part.
Further, the raw material of preparation light guide ink of the present invention also comprises defoamer, and the coupling agent of 0.5-1.5 weight part of dispersion agent, the 0.01-2 weight part of 1-5 weight part.
Further, the raw material of preparation light guide ink of the present invention also comprises the catalyzer of 1-5 weight part.
In a preferred embodiment, the molecular weight ranges of polymethacrylate resin is between the 1000-200000.
Solvent is organic mixed solvent.Organic mixed solvent is respectively 5: 4: 1 different fluorine that ketone in the preferred embodiment for the volume ratio that mixes: N-BUTYL ACETATE: the mixture of pimelinketone.
Further, the temperature that the raw material of the light guide ink of preparation present embodiment reacts is controlled at below 50 degree, and stirring velocity is at 300r/min-400R/min, and the reaction times was controlled between 1-2 hour.Preferably.Temperature of reaction preferably is controlled between the 40-50 degree.Further, heating in water bath is adopted in the control of the temperature of this enforcement.
Concrete, in the 1st preferred embodiment of the raw material of preparation light guide ink of the present invention, proportioning raw materials is as follows: polymethacrylate resin 25 weight parts, polyester acrylate 2 weight parts, leaded light powder 10 weight parts, mixed organic solvents 61.5 weight parts.
Further, the raw material of preparation light guide ink of the present invention also comprises the auxiliary agent of following proportioning: dispersion agent 3 weight parts, defoamer 0.5 weight part; Catalyzer 2.5 weight parts; Coupling agent 0.5 weight part.
Further, the raw material of preparation light guide ink of the present invention also comprises the catalyzer of 2.5 weight parts.
In the present invention's the 2nd preferred embodiment, the composition of raw materials for preparing light guide ink of the present invention is as follows: the defoamer of the polyester acrylic fat of the leaded light powder of the polymethacrylate resin of 15 weight parts, 2 weight parts, organic mixed solvent of 30 weight parts, 1 weight part, the dispersion agent of 1 weight part, 0.01 weight part, the catalyzer of 1 weight part, and the coupling agent of 0.6 weight part.
The composition of raw materials of the preparation light guide ink of the present invention of the present invention's the 3rd preferred embodiment is as follows: the defoamer of the polyester acrylic fat of the leaded light powder of the polymethacrylate resin of 30 weight parts, 20 weight parts, organic mixed solvent of 65 weight parts, 5 weight parts, the dispersion agent of 5 weight parts, 2 weight parts, the catalyzer of 5 weight parts, and the coupling agent of 1.5 weight parts.
As shown in Figure 1, a kind of light guiding plate 100 of the present invention comprises transparency carrier 20 and is arranged on light guide ink layer 40 on the transparency carrier 20.Light guide ink layer 40 by above-mentioned light guide ink silk screen printing on transparency carrier 20 and baking-curing form.
Preferably, transparency carrier 20 adopts the PMMA (polymethylmethacrylate) of optical grade.The transmittance of the preferred transparency carrier 20 of present embodiment is greater than 90%, and thickness is 1-5mm.
The preferred light guide ink layer 40 of present embodiment is that the regular hexagon cell array of 0.05-10mm forms by gap size.The light guide ink layer 40 baking-curing process of present embodiment adopt in temperature is 60 ℃ air dry oven carries out.
The feed composition proportioning of the light guide ink of the baking-curing of preparation present embodiment is as follows: organic mixed solvent of 15-30 weight part polymethacrylate resin, 2-20 weight part leaded light powder, 1-5 weight part polyester acrylic fat and 30-65 weight part.
Further, the raw material of the light guide ink of the baking-curing of preparation present embodiment also comprises: the catalyzer of the defoamer of the dispersion agent of 1-5 weight part, 0.01-2 weight part, the coupling agent of 0.5-1.5 weight part, 1-5 weight part.
Wherein, leaded light powder and polymethacrylate resin generation graft reaction, minor matters make light guide ink produce the quantum optical effect among the polymer architecture that generates, and have good optical property.
In the raw material of preparation invention light guide ink, the leaded light powder respectively with polymethacrylate resin, polyester acrylic fat generation grafting chemical reaction, minor matters make light guide ink produce the quantum optical effect among polymer architecture, have good optical property.Polyester acrylic fat and polymethacrylate resin generation crosslinking reaction are filled in the atom slit of polymethacrylate resin.Because polyester acrylic fat and polymethacrylate resin generation crosslinking reaction are filled in the atom slit of polymethacrylate resin, when light guide ink solidifies, avoid being expressed to leaded light powder microballoon owing to polymethacrylate resin shrinks severity, thereby avoid the leaded light powder to have influence on the optical property of printing ink because of crimp.Add the optical indexes such as specific refractory power that polyester acrylate improves light guiding plate 100 before the baking-curing.Increase simultaneously the toughness of transparency carrier 20, thermotolerance, wear resistance etc.
Polymethacrylate resin and transparency carrier 20 are the material of close character such as PMMA, make light guide ink have good sticking power.Leaded light powder and polymethacrylate resin generation graft reaction, minor matters are among polymethacrylate resin, the leaded light powder is fixed in the polymethacrylate resin, polymethacrylate resin tightly is bonded on the transparency carrier 20 simultaneously, the leaded light powder can not come off or fall down, thereby play the effect of good scattered light.
Polymethacrylate resin is used for leaded light powder and transparency carrier 20 are linked together.Polymethacrylate resin plays function served as bridge, and spherical leaded light powder and transparency carrier 20 tightly are bonded together, and the leaded light powder can not come off, and plays the preferably effect of scattered light.
Baking-curing light guide ink of the present invention, transparency carrier 20 such as the PMMA material had high adhesive force, it is splendid to have simultaneously very high leaded light homogeneity, high transmission rate and silk-screen performance, but silk-screen goes out 0.3mm size even less light guiding points, and the solidification value of baking-curing light guide ink of the present invention is low in addition, below 60 ℃, can avoid light guiding plate 100 distortion during baking-curing, reliability is high, single-component, silk-screen stable performance.Baking-curing light guide ink of the present invention is mainly used in adopting the light guiding plate 100 in the LCD backlight module in LED-backlit source.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.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 (10)
1. a baking-curing light guide ink is characterized in that, comprises following component:
Polymethacrylate resin and polyester acrylic fat generation crosslinking reaction, and the polymkeric substance that generates with polymethacrylate resin, polyester acrylic fat generation graft reaction respectively of leaded light powder;
And solvent.
According to claim 1 in the described baking-curing light guide ink of any one, it is characterized in that the molecular weight ranges of described polymethacrylate resin is between the 1000-200000.
3. baking-curing light guide ink according to claim 1 is characterized in that, the proportioning raw materials for preparing described light guide ink is as follows:
Polymethacrylate resin: the 15-30 weight part,
Described polyester acrylic fat: the 1-5 weight part,
Described leaded light powder: the 2-20 weight part,
Described solvent: 30-65 weight part.
4. the described baking-curing light guide ink of any one in 3 according to claim 1 is characterized in that:
Described polymethacrylate resin raw material: 25 weight parts,
Described polyester acrylic fat: 2 weight parts,
Described leaded light powder raw material: 10 weight parts,
Described solvent: 61.5 weight parts.
5. the described baking-curing light guide ink of any one in 3 according to claim 1 is characterized in that described leaded light powder is polymethsiloxane microspheres, and the particle diameter of described polymethsiloxane microspheres is 0.5-15 μ m.
6. baking-curing light guide ink according to claim 1 is characterized in that, the raw material for preparing described light guide ink also comprises:
The dispersion agent of 1-5 weight part, the defoamer of 0.01-2 weight part, and the coupling agent of 0.5-1.5 weight part.
7. baking-curing light guide ink according to claim 6 is characterized in that, described dispersion agent is 3 weight parts, and described defoamer is 0.5 weight part, and described catalyzer is 2.5 weight parts, and described coupling agent is 0.5 weight part.
8. according to claim 1-3, the described baking-curing light guide ink of 6-7 any one, it is characterized in that the raw material for preparing described light guide ink also comprises: the catalyzer of 1-5 weight part.
9. according to claim 1-3, the described baking-curing light guide ink of 6-7 any one, it is characterized in that, when preparing described polymkeric substance, the employing temperature is 45 ℃～50 ℃ heating in water bath, and heat while stirring, stirring velocity is 300r/min-400r/min, and the reaction times is 1-2 hour.
10. light guiding plate, comprise transparency carrier and be arranged on light guide ink layer on the transparency carrier, described light guide ink layer by the light guide ink silk screen printing on described transparency carrier and baking-curing form, it is characterized in that described light guide ink is the described baking-curing light guide ink of any one in the claim 1-9 item.
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| CN201110213083.9A CN102898890B (en) | 2011-07-27 | 2011-07-27 | Baking-curable light-guide printing ink and light-guide plate employing the printing ink |
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| CN201110213083.9A CN102898890B (en) | 2011-07-27 | 2011-07-27 | Baking-curable light-guide printing ink and light-guide plate employing the printing ink |
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| CN102898890A true CN102898890A (en) | 2013-01-30 |
| CN102898890B CN102898890B (en) | 2015-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254715A (en) * | 2020-01-17 | 2020-06-09 | 广东远华新材料股份有限公司 | PVC (polyvinyl chloride) luminous pad and preparation method thereof |
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| CN1724598A (en) * | 2004-07-20 | 2006-01-25 | 精工爱普生株式会社 | Ink composition |
| US20060158493A1 (en) * | 2004-09-30 | 2006-07-20 | Seiko Epson Corporation | Ink composition and image process using the same |
| CN101017325A (en) * | 2007-02-06 | 2007-08-15 | 上海中大科技发展有限公司 | Liquid photosensitive etching resisting ink |
| US20080090928A1 (en) * | 2006-10-12 | 2008-04-17 | Xerox Corporation | Fluorescent radiation curable inks |
| CN101619179A (en) * | 2009-07-24 | 2010-01-06 | 江苏科技大学 | UV solidified light guide plate printing ink |
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2011
- 2011-07-27 CN CN201110213083.9A patent/CN102898890B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724598A (en) * | 2004-07-20 | 2006-01-25 | 精工爱普生株式会社 | Ink composition |
| US20060158493A1 (en) * | 2004-09-30 | 2006-07-20 | Seiko Epson Corporation | Ink composition and image process using the same |
| US20080090928A1 (en) * | 2006-10-12 | 2008-04-17 | Xerox Corporation | Fluorescent radiation curable inks |
| CN101017325A (en) * | 2007-02-06 | 2007-08-15 | 上海中大科技发展有限公司 | Liquid photosensitive etching resisting ink |
| CN101619179A (en) * | 2009-07-24 | 2010-01-06 | 江苏科技大学 | UV solidified light guide plate printing ink |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254715A (en) * | 2020-01-17 | 2020-06-09 | 广东远华新材料股份有限公司 | PVC (polyvinyl chloride) luminous pad and preparation method thereof |
| CN111254715B (en) * | 2020-01-17 | 2022-12-06 | 广东远华新材料股份有限公司 | PVC (polyvinyl chloride) luminous pad and preparation method thereof |
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| CN102898890B (en) | 2015-04-22 |
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