CN101747681B - Printing ink and preparation method thereof as well as method for preparing membrane material - Google Patents
Printing ink and preparation method thereof as well as method for preparing membrane material Download PDFInfo
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- CN101747681B CN101747681B CN 200810240449 CN200810240449A CN101747681B CN 101747681 B CN101747681 B CN 101747681B CN 200810240449 CN200810240449 CN 200810240449 CN 200810240449 A CN200810240449 A CN 200810240449A CN 101747681 B CN101747681 B CN 101747681B
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Abstract
The invention relates to a printing ink and preparation method thereof as well as method for preparing membrane material; wherein the preparation method for printing ink includes the steps as follows: uniformly mixing high-reflectivity pigment with the weight percentage of 5 to 70 percent, thermoplastic cured resin with the weight percentage of 15 to 89 percent, a solvent with the weight percentage of 5 to 70 percent as well as an additive with the weight percentage of 0.1 to 40 percent, and then implementing refining to obtain the printing ink. The preparation method for printing ink has a simple preparation process and is easy to be operated. The method for preparing membrane material leads the prepared material to improve the light mixing efficiency of LED lamps and reduce the thickness of backlight source of the LED as the printing ink of the invention is used.
Description
Technical field
The present invention relates to printing ink and preparation method thereof and the method for preparing the film material, particularly a kind ofly be used to prepare the LED-backlit source with having the printing ink of partial reflection functional membrane material and the preparation method of printing ink, belong to the made technical field.
Background technology
Development along with lcd technology; Photodiode (Light Emitting Diode; LED) backlight because of advantages such as its no mercury pollution, high gamut range, life-span length; Become and replaced traditional cold cathodouminescence fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL) optimal selection backlight.According to estimates, by 2010, the LED-backlit module utilization ratio of notebook computer (Notebook) will rise to 63% by present 20%, become to take as the leading factor thereby replace CCFL.The LED-backlit source need light guiding plate or diffusion barrier come the LED lamp is carried out spacing color mixed, for this has certain requirement, particularly direct LED backlight to colour mixture distance.
Along with development of science and technology, people require increasingly highly to FPD, and ultra-thinization is one of them, and the emphasis of ultra-thinization just is the thickness of backlight, and therefore how making backlight thinner is the emphasis of all backlight R&D works at present.Research shows uses special film material with LED lamp upper area; Can under the situation of same thickness, increase space mixed light efficient greatly; The thickness of backlight just is able to reduce like this; But how such film material prepares, and how the critical material printing ink in the film material preparation to prepare, and all becomes to be badly in need of the technical problem that solves.
Summary of the invention
The present invention provides a kind of printing ink and preparation method thereof and prepares the method for film material with above-mentioned printing ink, and preparation technology is simple, easy to operate, and above-mentioned film material can improve LED lamp mixed light efficient, reduces LED-backlit source thickness.
The invention provides a kind of preparation method of printing ink, this method comprises:
With weight percent is that 5%～70% high-reflectivity pigment, weight percent are that 15%～89% thermoplasticity cured resin, weight percent are that 5%～70% solvent and weight percent are to carry out refinement after 0.1%～40% additive mixes, and obtains printing ink.
The preparation method of above-mentioned printing ink carries out refinement after high-reflectivity pigment, thermoplasticity cured resin, solvent and the additive of certain proportioning mixed, and processes printing ink, and preparation technology is simple, easy to operate.
The invention provides a kind of printing ink, this printing ink comprises:
High-reflectivity pigment, weight percent are 5%～70%;
Thermoplasticity cured resin, weight percent are 15%～89%;
Solvent, weight percent are 5%～70%;
Additive, weight percent are 0.1%～40%.
Above-mentioned printing ink can be used for preparing the film material, to improve LED lamp mixed light efficient, reduces LED-backlit source thickness.
The invention provides a kind of method for preparing the film material, this method comprises:
With printing ink printing net-point on substrate, and the site is solidified with mode of printing, obtain the film material through direct heating or infrared heating mode.
The preparation method of above-mentioned film material, preparation technology is simple, easy to operate, and the film material of processing improved LED lamp mixed light efficient, has reduced LED-backlit source thickness.
Description of drawings
Fig. 1 is the schema of printing ink preparation method embodiment of the present invention;
Fig. 2 prepares the schema of the method embodiment of film material for the present invention.
Embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
As shown in Figure 1, be the schema of printing ink preparation method embodiment of the present invention, this method comprises:
Wherein, the weight percent of high-reflectivity pigment is preferably 10%～40%, and the weight percent of thermoplasticity cured resin is preferably 25%～60%, and the weight percent of solvent is preferably 8%～30%, and the weight percent of additive is preferably 2%～15%; Above-mentioned high-reflectivity pigment is leuco-pigment, and density is 2g/cm
3～5g/cm
3, mohs hardness is 1～7, particle diameter is 40nm～5um, and can be more than one pigment, can carry out refinement through modes such as three-roller, sand mills in case of necessity; Above-mentioned thermoplasticity cured resin is the high permeability thermoplastic resin, is preferably Rohm tech inc, polyethylene terephthalate, urethane or polycarbonate, also can be more than one resins, and weight-average molecular weight is 5000～2000000; Above-mentioned solvent is used to regulate the viscosity of printing ink, if for can make thermoplasticity cured resin dissolved solvent can, addition is so that ink viscosity is 3cps～20000cps; Above-mentioned additive is used to improve the pigment stability of printing ink, the weathering resistance of site etc., comprises dispersion agent, anti ultraviolet agent etc.;
Wherein, the mixture after above-mentioned will the mixing carries out refinement and can carry out refinement through three-roller for the mixture after will mixing.
Printing ink preparation method first embodiment
The component of the preparation printing ink of present embodiment is seen the row of embodiment 1 correspondence in the table 1, is specially: A:35.7%, B:28.6%, C:28.6%; D:7.1%, wherein, A representes high-reflectivity pigment; B representes the thermoplasticity cured resin, and C representes solvent, and D representes additive.
Printing ink preparation method second embodiment
The component of the preparation printing ink of present embodiment is seen the row of embodiment 2 correspondences in the table 1, is specially: A:21.7%, B:34.8%, C:34.8%; D:8.7%, wherein, A representes high-reflectivity pigment; B representes the thermoplasticity cured resin, and C representes solvent, and D representes additive.
Printing ink preparation method the 3rd embodiment
The component of the preparation printing ink of present embodiment is seen the row of embodiment 3 correspondences in the table 1, is specially: A:40.0%, B:26.7%, C:26.7%; D:6.7%, wherein, A representes high-reflectivity pigment; B representes the thermoplasticity cured resin, and C representes solvent, and D representes additive.
Table 1
Wherein, MgO is a Natural manganese dioxide, BaSO
4Be permanent white, TiO
2Be titanium oxide, NeoCrylB-842 is a kind of product of DSM company, and BYK154 is a kind of product of German Bi Ke company.
The preparation method of above-mentioned printing ink carries out refinement after high-reflectivity pigment, thermoplasticity cured resin, solvent and the additive of certain proportioning mixed, and processes printing ink, and preparation technology is simple, easy to operate.
Use the printing ink of preparing method's preparation of above-mentioned printing ink, comprising:
High-reflectivity pigment, weight percent are 5%～70%;
Thermoplasticity cured resin, weight percent are 15%～89%;
Solvent, weight percent are 5%～70%;
Additive, weight percent are 0.1%～40%.
Wherein, the weight percent of high-reflectivity pigment is preferably 10%～40%, and the weight percent of thermoplasticity cured resin is preferably 25%～60%, and the weight percent of solvent is preferably 8%～30%, and the weight percent of additive is preferably 2%～15%.
In addition, the viscosity of above-mentioned printing ink is 3cps～20000cps; Above-mentioned high-reflectivity pigment is leuco-pigment, and density is 2g/cm
3～5g/cm
3, mohs hardness is 1～7, particle diameter is 40nm～5um, and can be more than one pigment, can carry out refinement through modes such as three-roller, sand mills in case of necessity; Above-mentioned thermoplasticity cured resin is the high permeability thermoplastic resin, is preferably Rohm tech inc, polyethylene terephthalate, urethane or polycarbonate, also can be more than one resins, and weight-average molecular weight is 5000～2000000; Above-mentioned solvent is used to regulate the viscosity of printing ink, if for can make thermoplasticity cured resin dissolved solvent can, addition is so that ink viscosity is 3cps～20000cps; Above-mentioned additive is used to improve the pigment stability of printing ink, the weathering resistance of site etc., comprises dispersion agent, anti ultraviolet agent etc.;
Use the printing ink of above-mentioned printing ink preparation method preparation, can be used for preparing the film material,, reduce LED-backlit source thickness to improve LED lamp mixed light efficient.
As shown in Figure 2, for the present invention prepares the schema of the method embodiment of film material, this method comprises:
Wherein, above-mentioned mode of printing comprises modes such as silk screen printing, spray ink Printing; Aforesaid substrate is high permeability material or diffusion sheet, and wherein above-mentioned high permeability material comprises glass, Rohm tech inc, urethane, polyethylene terephthalate and polycarbonate etc.;
Wherein, the area of above-mentioned site is 5%～50% of a substrate area, and the reflectivity of site is 5%～90%, and the transmitance of site is 1%～50%.
Preparation film material method first embodiment
With the printing ink of processing among printing ink preparation method first embodiment with screen printing mode after printing the site on the Rohm tech inc sheet material, on 60 ℃ of hot plates dry 40 minutes, the site is solidified, obtain the film material.Wherein, the reflectivity of site is 70%, and the transmitance of site is 20%.
Preparation film material method second embodiment
With the printing ink of processing among printing ink preparation method second embodiment with screen printing mode after printing the site on the sheet glass, on 60 ℃ of hot plates dry 40 minutes, the site is solidified, obtain the film material.Wherein, the reflectivity of site is 35%, and the transmitance of site is 40%.
The above-mentioned method for preparing the film material, preparation technology is simple, easy to operate, and the film material of processing improved LED lamp mixed light efficient, has reduced LED-backlit source thickness.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention.
Claims (10)
1. the preparation method of a printing ink is characterized in that comprising:
With weight percent is that 5%～70% high-reflectivity pigment, weight percent are that 15%～89% thermoplasticity cured resin, weight percent are that 5%～70% solvent and weight percent are to carry out refinement after 0.1%～40% additive mixes, and obtains printing ink;
Said thermoplasticity cured resin is the high permeability thermoplastic resin, is selected from Rohm tech inc, polyethylene terephthalate, urethane or polycarbonate, and weight-average molecular weight is 5000～2000000;
Said additive comprises dispersion agent or anti ultraviolet agent.
2. the preparation method of printing ink according to claim 1 is characterized in that said is that 5%～70% high-reflectivity pigment, weight percent are that 15%～89% thermoplasticity cured resin, weight percent are that 5%～70% solvent and weight percent are to carry out refinement after 0.1%～40% additive mixes to comprise with weight percent:
With weight percent is that 10%～40% high-reflectivity pigment, weight percent are that 25%～60% thermoplasticity cured resin, weight percent are that 8%～30% solvent and weight percent are that 2%～15% additive mixes the back through the three-roller refinement.
3. the preparation method of printing ink according to claim 1 and 2 is characterized in that said high-reflectivity pigment is leuco-pigment, and density is 2g/cm
3～5g/cm
3, mohs hardness is 1～7, particle diameter is 40nm～5 μ m.
4. an application rights requires the printing ink of preparing method's preparation of the arbitrary described printing ink of 1-3, it is characterized in that comprising:
High-reflectivity pigment, weight percent are 5%～70%;
Thermoplasticity cured resin, weight percent are 15%～89%;
Solvent, weight percent are 5%～70%;
Additive, weight percent are 0.1%～40%;
Said thermoplasticity cured resin is the high permeability thermoplastic resin, is selected from Rohm tech inc, polyethylene terephthalate, urethane or polycarbonate, and weight-average molecular weight is 5000～2000000;
Said additive comprises dispersion agent or anti ultraviolet agent.
5. printing ink according to claim 4; The weight percent that it is characterized in that said high-reflectivity pigment is 10%～40%; The weight percent of said thermoplasticity cured resin is 25%～60%; The weight percent of said solvent is 8%～30%, and the weight percent of said additive is 2%～15%.
6. printing ink according to claim 5, the viscosity that it is characterized in that said printing ink is 3cps～20000cps.
7. an application rights requires the arbitrary described printing ink of 4-6 to prepare the method for film material, it is characterized in that comprising:
With printing ink printing net-point on substrate, and the site is solidified with mode of printing, obtain the film material through direct heating or infrared heating mode.
8. the method for preparing the film material according to claim 7 is characterized in that said mode of printing comprises silk screen printing or spray ink Printing.
9. the method for preparing the film material according to claim 8; It is characterized in that said substrate is high permeability material or diffusion sheet, wherein said high permeability material is glass, Rohm tech inc, urethane, polyethylene terephthalate or polycarbonate.
10. the method for preparing the film material according to claim 9, the area that it is characterized in that said site is 5%～50% of a substrate area, and the reflectivity of site is 5%～90%, and the transmitance of site is 1%～50%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810240449 CN101747681B (en) | 2008-12-19 | 2008-12-19 | Printing ink and preparation method thereof as well as method for preparing membrane material |
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|---|---|---|---|
| CN 200810240449 CN101747681B (en) | 2008-12-19 | 2008-12-19 | Printing ink and preparation method thereof as well as method for preparing membrane material |
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| CN101747681A CN101747681A (en) | 2010-06-23 |
| CN101747681B true CN101747681B (en) | 2012-07-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311680B (en) * | 2010-07-01 | 2013-12-18 | 中国科学院化学研究所 | Quick drying ink used for ink-jet printing direct plate making as well as preparation method and application thereof |
| CN102401926B (en) * | 2010-09-17 | 2015-12-09 | 达兴材料股份有限公司 | Light guide plate and optical material constituent |
| CN102464915B (en) * | 2010-11-05 | 2014-03-12 | 中国科学院化学研究所 | Oily ink for inkjet computer to plate, preparation method and application thereof |
| JP5861222B2 (en) | 2011-09-29 | 2016-02-16 | 株式会社ミマキエンジニアリング | Printing method and inkjet discharge apparatus |
| CN109239837B (en) * | 2018-11-09 | 2020-11-03 | 深圳Tcl新技术有限公司 | Light guide plate side reflector plate attaching process and light guide plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145593A (en) * | 2006-09-14 | 2008-03-19 | 鸿富锦精密工业（深圳）有限公司 | Light emitting diode and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145593A (en) * | 2006-09-14 | 2008-03-19 | 鸿富锦精密工业（深圳）有限公司 | Light emitting diode and its manufacturing method |
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Granted publication date: 20120718 Termination date: 20211219 |