CN101376804A - PDP fluorescent powder pulp for spraying and preparation thereof - Google Patents
PDP fluorescent powder pulp for spraying and preparation thereof Download PDFInfo
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- CN101376804A CN101376804A CNA2008101565507A CN200810156550A CN101376804A CN 101376804 A CN101376804 A CN 101376804A CN A2008101565507 A CNA2008101565507 A CN A2008101565507A CN 200810156550 A CN200810156550 A CN 200810156550A CN 101376804 A CN101376804 A CN 101376804A
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Abstract
The invention relates to PDP fluorescent powder slurry used for coating and a preparation method thereof. The slurry is prepared by the following materials according to a weight percentage: 30 to 40 percent of PDP fluorescent powder, 3 to 10 percent of cellulose, 10 to 20 percent of ethyl acetate or butyl acetate, 30 to 50 percent of good solvent of the cellulose, 5 to 10 percent of anti-settling agent, 0.1 to 2 percent of silicones dispersant as well as 0.1 to 2 percent of silicones foam killer. The invention improves the defects that the PDP fluorescent powder in the existing PDP fluorescent powder slurry used for coating can generate settlement which causes the fluorescent powder to be seriously deposited and is incapable of ensuring the fluorescent powder to be uniformly distributed in a carrier even if an external force is used for stirring, thus causing the coating technique to be hardly carried out and leading the storage time of the PDP fluorescent powder slurry used for coating to be prolonged. The invention improves the lopping performance of the PDP slurry used for coating; the slurry coated in the slots between barriers is better adhered on the side surfaces of the barriers to form a uniform fluorescent layer, thereby forming a uniform and compact fluorescent powder layer with proper thickness on the inner surrounding walls and the bottom parts of the barriers.
Description
Technical field
The invention belongs to rare earth luminescent material and technique of display field, be specifically related to a kind of spraying PDP fluorescent RE powder slurry and preparation method thereof.
Background technology
Screen printing technique is not because the shortcoming that exists the silk screen mask to uphold satisfies the PDP display screen gradually to the requirement on the precision.Although some researchists have done certain improvement to screen printing technique, still can't obtain gratifying effect.Spraying method is that fluorophor paste is pressurizeed, from nozzle continuously spray slurry on one side, adjust the position of nozzle and the spray volume of slurry according to positional information on one side, to guarantee the coating precision.Spraying method is compared with screen printing technique, owing to adopt the position scanning system, can in time adjust speed, the pressure and other parameters of spraying according to the nozzle location feedback information.Spraying coating process with its higher deposition accuracies and efficiently characteristics such as productive rate show stronger advantage, and along with production-scale expansion, this technology embodies its outstanding advantage all the more.
Adopt spraying method, require to adopt viscosity low (10～500cP), the fluorescent powder paste material of good fluidity, help continuously applying sleekly from the nozzle ejection.Spraying coating process is also very high to the fineness requirement of the size distribution of fluorescent powder in slurry, slurry, and general requirement is controlled at below the 5 μ m.Especially when making high definition PDP, along with the barrier spacing is more and more littler, the respective nozzles bore also needs design littler of to be fit to barrier at interval, if the size distribution of powder is wide, the plug-hole phenomenon appears in nozzle easily.
Because spraying is lower with the viscosity of fluorescent powder paste material at present, because there is following shortcoming:
1, sedimentation can take place and causes PDP fluorescent material seriously to deposit in the PDP fluorescent material in the slurry, uses external force to stir and can't guarantee that all fluorescent material can be evenly distributed in the carrier, causes spraying coating process to be difficult to carry out smoothly;
If the size distribution of 2 powders is not concentrated, wherein thicker particle is easy to cause the obstruction of nozzle, causes spraying process to interrupt;
3, because the viscosity of slurry is lower, being coated between barrier the slurry in the groove, to hang performance from above not good, is difficult to well to form the isostatic luminescent coating attached to the barrier side.
Summary of the invention
The objective of the invention is to overcome existing spraying with the existing above-mentioned shortcoming of fluorescent powder paste material,, provide a kind of PDP fluorescent powder paste material that is applicable to spraying at the requirement of spraying coating process.
The PDP fluorescent powder paste material of spraying of the present invention is prepared from by mass percentage by following raw material:
PDP fluorescent material 30～40%, Mierocrystalline cellulose 3～10%, ethyl acetate or butylacetate 10～20%, in high boiling Mierocrystalline cellulose good solvent 30～50%, anti-settling agent 5～10%, silicone dispersion agent 0.1～2%, silicone defoamer 0.1～2%.
Above-mentioned PDP fluorescent material is respectively a kind of in the three primary colours PDP fluorescent material, comprises the rouge and powder that glows: (Y, Gd) BO
3: Eu
3+Or Y
2O
3: Eu
3+The blue powder of blue light-emitting: BaMgAl
14O
27: Eu
2+Or BaMgAl
10O
17: Eu
2+The green powder of green light: (BaMg) Al
12O
19: Mn
2+Or Zn
2SiO
4: Mn
2+The size distribution of PDP fluorescent material is between 1～3 μ m.
Above-mentioned Mierocrystalline cellulose is selected from a kind of in nitrocellulose, ethyl cellulose, butyl cellulose, the cyanoethyl cellulose.
High boiling Mierocrystalline cellulose good solvent is any one in pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate in above-mentioned, and its boiling point is at 100～200 ℃.
Above-mentioned anti-settling agent is selected from a kind of in polyamide wax, polyethylene wax, Poly Propylene Wax, the amine hydroxybenzene wax.
Preparation of the present invention can be adopted one of following method:
Preparation method I comprises the steps:
1, will carry out dispersed with stirring to forming pasty mixture after anti-settling agent and ethyl acetate or the butylacetate mixing;
2, dissolve fully being stirred to organic cellulose after any mixes in organic cellulose and pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate;
3, in the organic fibre cellulose solution that the pasty mixture adding step 2 that step 1 is made makes, dispersed with stirring to pasty mixture is dissolved in the organic fibre cellulose solution fully;
4, add dispersion agent, PDP fluorescent RE powder in the mixing solutions that step 3 makes, dispersed with stirring adds defoamer again after the PDP fluorescent RE powder disperses fully, promptly makes finished product after mixing.
Step 1 is all carried out in the container by non-metallic material manufacturing or liner non-metallic material to 4.
Use plate-like agitator that surface-coated has a non-metallic material that anti-settling agent and ethyl acetate or butylacetate are carried out dispersed with stirring in the step 1, stirring velocity is 1000～4000rpm, and the time is 5～20min.Aforementioned ethyl acetate or butylacetate are suspension liquid.
Above-mentioned nonmetal be meant any nonmetal.
Stirring velocity is 50～400rpm in the step 2, and churning time is 5～30min.
Stirring velocity is not less than 1000rpm in the step 3, and churning time is 15～90min.
Carry out high speed dispersion with the speed greater than 1000rpm after adding dispersion agent, PDP fluorescent RE powder in the step 4, the time is 20～80min.PDP fluorescent material disperses fully and the stirring velocity that adds behind the defoamer is reduced to 100～300rpm, and stirring is 5～60min.。
Preparation technology II comprises the steps:
1, will carry out dispersed with stirring to forming pasty mixture after anti-settling agent and ethyl acetate or the butylacetate mixing;
2, dissolve fully being stirred to organic cellulose after any mixes in organic cellulose and pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate;
3, dispersion agent and fluorescent RE powder are added in the organic fibre cellulose solution that step 2 makes, carry out dispersed with stirring;
4, add the pasty mixture that step 1 system is carried in the mixing solutions that step 3 makes, dispersed with stirring to pasty mixture dissolves fully and disperses the back to add defoamer, promptly makes finished product after mixing.
Step 1 is all carried out in the container by non-metallic material manufacturing or liner non-metallic material to 4.
Use plate-like agitator that surface-coated has a non-metallic material that anti-settling agent and ethyl acetate or butylacetate are carried out dispersed with stirring in the step 1, stirring velocity is 1000～4000rpm, and the time is 5～20min.Aforementioned ethyl acetate or butylacetate are suspension liquid.
Above-mentioned nonmetal be meant any nonmetal.
Stirring velocity is 50～400rpm in the step 2, and churning time is 5～30min.
Stirring velocity is greater than 1000rpm in the step 3, and churning time is 20～80min.
Carry out high speed dispersion with the speed that is not less than 1000rpm behind the pasty mixture that adding step 1 makes in the step 4, the time is 15～90min.Stirring velocity after pasty mixture dissolves dispersion fully and adds defoamer is reduced to 100～300rpm, and stirring is 5～60min.。
The present invention has introduced the PDP spraying by certain technology well with anti-settling agent and has used fluorescent powder paste material, and the viscosity of the PDP fluorescent powder pulp for spraying that makes is higher than the viscosity of present PDP fluorescent powder pulp for spraying, reaches 5000～50000c; When static, have certain viscosity, under external force stirs, recover good flowability again, during stirring velocity 50～1000rpm, viscosity degradation to 10～500cP.The present invention has improved existing spraying and with the PDP fluorescent material in the PDP slurry sedimentation can take place and cause PDP fluorescent material seriously to deposit, use external force to stir and to guarantee that all fluorescent material can be evenly distributed in the carrier, cause spraying coating process to be difficult to the shortcoming of carrying out smoothly, and, make the period of storage of PDP fluorescent powder pulp for spraying obtain prolonging owing to improved the settleability of fluorescent powder paste material.The fineness of dispersion of PDP fluorescent powder paste material can characterize the size of fluorescent powder grain in the PDP slurry and the index of the degree of uniformity that fluorescent powder grain distributes.The fineness of dispersion of PDP fluorescent material can characterize by using microscope.Examine under a microscope, the PDP fluorescent powder pulp for spraying fineness of the present invention's preparation is 1～4 μ m, and the size distribution of powder is evenly concentrated, and has avoided thicker fluorescent powder particle to cause nozzle blockage, spraying process to interrupt easily.The present invention has improved the hang performance of spraying with the PDP slurry, hang speed≤5 μ m/min from above, the slurry that is coated in the groove between barrier can be well attached to the barrier side, form the isostatic luminescent coating, thereby on the barrier internal perisporium and to form thickness moderate in the bottom, the phosphor powder layer of even compact.
Embodiment
Provide following examples in conjunction with content of the present invention, the invention is not restricted to following examples:
Embodiment 1
Preparation technology I:
With 5.5% (mass percent, in anti-settling agent polyamide wax down together) and 15.5% the container of ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2000～2500rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyamide wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～10min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the nitrocellulose of input 6% and 39% pimelinketone, the unlatching whipping appts carries out stirring at low speed to nitrocellulose and dissolves fully, and stirring velocity is 300～400rpm therebetween, churning time 10～15min.Nitrocellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 60～70min is dissolved in the nitrocellulose dilute solution fully to pasty mixture.Add 0.9% silicone dispersion agent then, 32%PDP fluorescence rouge and powder carries out high speed dispersion 50～60min with the speed greater than 1000rpm, and PDP rouge and powder disperses the back to add 1.1% part of silicone defoamer fully, and stirring velocity is reduced to 150～200rpm, stirs 10～15min.Finish discharging.
Preparation technology II:
In anti-settling agent polyamide wax with 5.5% and the container of 15.5% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2000～2500rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyamide wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～10min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the nitrocellulose of input 6% and 39% pimelinketone, the unlatching whipping appts carries out stirring at low speed to nitrocellulose and dissolves fully, and stirring velocity is 300～400rpm therebetween, churning time 10～15min.Nitrocellulose dissolves the back fully and adds 0.9% silicone dispersion agent, and 32%PDP fluorescence rouge and powder carries out high speed dispersion 50～60min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 60～70min dissolves dispersion fully to pasty mixture.Add 1.1% part of silicone defoamer at last, stirring velocity is reduced to 150～200rpm, stirs 10～15min.Finish discharging.
Embodiment 2
Preparation technology I:
In anti-settling agent polyethylene wax with 7% and the container of 17% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3000～3500rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyethylene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the ethyl cellulose of input 5% and 36% ethyl lactate, the unlatching whipping appts carries out stirring at low speed to ethyl cellulose and dissolves fully, and stirring velocity is 250～350rpm therebetween, churning time 15～20min.Ethyl cellulose is dissolved the back fully and is added above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 70～80min is dissolved in the ethyl cellulose dilute solution fully to pasty mixture.Add 0.8% silicone dispersion agent then, 33.5%PDP fluorescence blue powder carries out high speed dispersion 50～60min with the speed greater than 1000rpm, and PDP blue powder disperses the back to add 0.7% part of silicone defoamer fully, stirring velocity is reduced to 200～250rpm, stirs 20～30min.Finish discharging.
Preparation technology II:
In anti-settling agent polyethylene wax with 7% and the container of 17% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3000～3500rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyethylene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the ethyl cellulose of input 5% and 36% ethyl lactate, the unlatching whipping appts carries out stirring at low speed to ethyl cellulose and dissolves fully, and stirring velocity is 250～350rpm therebetween, churning time 15～20min.Ethyl cellulose is dissolved the back fully and is added 0.8% silicone dispersion agent, and 33.5%PDP fluorescence blue powder carries out high speed dispersion 50～60min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 70～80min dissolves dispersion fully to pasty mixture.Add 0.7% part of silicone defoamer at last, stirring velocity is reduced to 200～250rpm, stirs 20～30min.Finish discharging.
Embodiment 3
Preparation technology I:
In anti-settling agent Poly Propylene Wax with 6% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2500～3000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent Poly Propylene Wax and butylacetate suspension liquid are carried out dispersed with stirring 10～15min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the butyl cellulose of input 6.5% and 35% ethyl benzoate, the unlatching whipping appts carries out stirring at low speed to butyl cellulose and dissolves fully, and stirring velocity is 350～400rpm therebetween, churning time 25～30min.Butyl cellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 30～40min is dissolved in the ethyl cellulose dilute solution fully to pasty mixture.Add 1.2% silicone dispersion agent then, 35%PDP fluorescence green powder carries out high speed dispersion 40～50min with the speed greater than 1000rpm, and PDP blue powder disperses the back to add 1.3% part of silicone defoamer fully, and stirring velocity is reduced to 100～150rpm, stirs 15～20min.Finish discharging.
Preparation technology II:
In anti-settling agent Poly Propylene Wax with 6% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2500～3000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent Poly Propylene Wax and butylacetate suspension liquid are carried out dispersed with stirring 10～15min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the butyl cellulose of input 6.5% and 35% ethyl benzoate, the unlatching whipping appts carries out stirring at low speed to butyl cellulose and dissolves fully, and stirring velocity is 350～400rpm therebetween, churning time 25～30min.Butyl cellulose dissolves the back fully and adds 1.2% silicone dispersion agent, and 35%PDP fluorescence green powder carries out high speed dispersion 40～50min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 30～40min dissolves dispersion fully to pasty mixture.Add 1.3% part of silicone defoamer at last, stirring velocity is reduced to 100～150rpm, stirs 15～20min.Finish discharging.
Embodiment 4
Preparation technology I:
In anti-settling agent amine hydroxybenzene wax with 8.5% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2500～3000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent amine hydroxybenzene wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the cyanoethyl cellulose of input 3.5% and 33% n-Butyl lactate, the unlatching whipping appts carries out stirring at low speed to cyanoethyl cellulose and dissolves fully, and stirring velocity is 300～400rpm therebetween, churning time 25～30min.Cyanoethyl cellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 80～90min is dissolved in the cyanoethyl cellulose dilute solution fully to pasty mixture.Add 1.6% silicone dispersion agent then, 40%PDP fluorescence rouge and powder carries out high speed dispersion 70～80min with the speed greater than 1000rpm, and PDP rouge and powder disperses the back to add 1.4% part of silicone defoamer fully, and stirring velocity is reduced to 100～200rpm, stirs 50～60min.Finish discharging.
Preparation technology II:
In anti-settling agent amine hydroxybenzene wax with 8.5% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 2500～3000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent amine hydroxybenzene wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the cyanoethyl cellulose of input 3.5% and 33% n-Butyl lactate, the unlatching whipping appts carries out stirring at low speed to cyanoethyl cellulose and dissolves fully, and stirring velocity is 300～400rpm therebetween, churning time 25～30min.Cyanoethyl cellulose dissolves the back fully and adds 1.6% silicone dispersion agent, and 40%PDP fluorescence rouge and powder carries out high speed dispersion 70～80min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 80～90min dissolves dispersion fully to pasty mixture.Add 1.4% part of silicone defoamer at last, stirring velocity is reduced to 100～200rpm, stirs 50～60min.Finish discharging.
Embodiment 5
Preparation technology I:
In anti-settling agent polyamide wax with 8% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyamide wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the cyanoethyl cellulose of input 3.5% and 34% amyl propionate, the unlatching whipping appts carries out stirring at low speed to cyanoethyl cellulose and dissolves fully, and stirring velocity is 100～150rpm therebetween, churning time 20～25min.Cyanoethyl cellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 70～80min is dissolved in the cyanoethyl cellulose dilute solution fully to pasty mixture.Add 1.3% silicone dispersion agent then, 37%PDP fluorescence blue powder carries out high speed dispersion 70～80min with the speed greater than 1000rpm, and PDP blue powder disperses the back to add 1.2% part of silicone defoamer fully, and stirring velocity is reduced to 100～150rpm, stirs 50～60min.Finish discharging.
Preparation technology II:
In anti-settling agent polyamide wax with 8% and the container of 15% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyamide wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the cyanoethyl cellulose of input 3.5% and 34% amyl propionate, the unlatching whipping appts carries out stirring at low speed to cyanoethyl cellulose and dissolves fully, and stirring velocity is 100～150rpm therebetween, churning time 20～25min.Cyanoethyl cellulose dissolves the back fully and adds 1.3% silicone dispersion agent, and 37%PDP fluorescence blue powder carries out high speed dispersion 70～80min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 70～80min dissolves dispersion fully to pasty mixture.Add 1.2% part of silicone defoamer at last, stirring velocity is reduced to 100～150rpm, stirs 50～60min.Finish discharging.
Embodiment 6
Preparation technology I:
In anti-settling agent polyethylene wax with 5% and the container of 13% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 1500～2000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyethylene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the ethyl cellulose of input 4% and 41% ethyl benzoate, the unlatching whipping appts carries out stirring at low speed to ethyl cellulose and dissolves fully, and stirring velocity is 50～100rpm therebetween, churning time 25～30min.Ethyl cellulose is dissolved the back fully and is added above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 25～35min is dissolved in the ethyl cellulose dilute solution fully to pasty mixture.Add 1.1% silicone dispersion agent then, 35%PDP fluorescence green powder carries out high speed dispersion 30～40min with the speed greater than 1000rpm, and the green powder of PDP disperses the back to add 0.9% part of silicone defoamer fully, and stirring velocity is reduced to 250～300rpm, stirs 30～40min.Finish discharging.
Preparation technology II:
In the container of ethyl acetate input with the anti-settling agent polyethylene wax of matter 5% and 13% by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 1500～2000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent polyethylene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the ethyl cellulose of input 4% and 41% ethyl benzoate, the unlatching whipping appts carries out stirring at low speed to ethyl cellulose and dissolves fully, and stirring velocity is 50～100rpm therebetween, churning time 25～30min.Ethyl cellulose is dissolved the back fully and is added 1.1% silicone dispersion agent, and 35%PDP fluorescence green powder carries out high speed dispersion 30～40min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 25～35min dissolves dispersion fully to pasty mixture.Add 0.9% part of silicone defoamer at last, stirring velocity is reduced to 250～300rpm, stirs 30～40min.Finish discharging.
Embodiment 7
Preparation technology I:
In anti-settling agent Poly Propylene Wax with 5.5% and the container of 10.5% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent Poly Propylene Wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the butyl cellulose of input 5% and 46.5% amyl propionate, the unlatching whipping appts carries out stirring at low speed to butyl cellulose and dissolves fully, and stirring velocity is 150～200rpm therebetween, churning time 20～25min.Butyl cellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 20～30min is dissolved in the butyl cellulose dilute solution fully to pasty mixture.Add 0.8% silicone dispersion agent then, 31%PDP fluorescence blue powder carries out high speed dispersion 20～30min with the speed greater than 1000rpm, and PDP blue powder disperses the back to add 0.7% part of silicone defoamer fully, and stirring velocity is reduced to 200～250rpm, stirs 10～20min.Finish discharging.
Preparation technology II:
In anti-settling agent Poly Propylene Wax with 5.5% and the container of 10.5% butylacetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent Poly Propylene Wax and butylacetate suspension liquid are carried out dispersed with stirring 15～20min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the butyl cellulose of input 5% and 46.5% amyl propionate, the unlatching whipping appts carries out stirring at low speed to butyl cellulose and dissolves fully, and stirring velocity is 150～200rpm therebetween, churning time 20～25min.Butyl cellulose dissolves the back fully and adds 0.8% silicone dispersion agent, and 31%PDP fluorescence blue powder carries out high speed dispersion 20～30min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 20～30min dissolves dispersion fully to pasty mixture.Add 0.7% part of silicone defoamer at last, stirring velocity is reduced to 200～250rpm, stirs 10～20min.Finish discharging.
Embodiment 8
Preparation technology I:
In anti-settling agent amine hydroxybenzene wax with 8.3% and the container of 15% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent amine hydroxybenzene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～10min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the Nitrocellulose of input 4% and 35% n-Butyl lactate, the unlatching whipping appts carries out stirring at low speed to Nitrocellulose and dissolves fully, and stirring velocity is 300～350rpm therebetween, churning time 5～10min.Nitrocellulose dissolves the back fully and adds above-mentioned pasty mixture, and the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 50～60min is dissolved in the Nitrocellulose dilute solution fully to pasty mixture.Add 1% silicone dispersion agent then, 36%PDP fluorescence green powder carries out high speed dispersion 30～40min with the speed greater than 1000rpm, and the green powder of PDP disperses the back to add 0.7% part of silicone defoamer fully, and stirring velocity is reduced to 150～200rpm, stirs 20～30min.Finish discharging.
Preparation technology II:
In anti-settling agent amine hydroxybenzene wax with 8.3% and the container of 15% ethyl acetate input by non-metallic material manufacturing or liner non-metallic material, opening high-speed stirring and stirring velocity is set is 3500～4000rpm, use surface-coated to have the plate-like agitator of non-metallic material that anti-settling agent amine hydroxybenzene wax and ethyl acetate suspension liquid are carried out dispersed with stirring 5～10min, become pasty mixture to suspension liquid.
Other gets the container of non-metallic material manufacturing or liner non-metallic material, the Nitrocellulose of input 4% and 35% n-Butyl lactate, the unlatching whipping appts carries out stirring at low speed to Nitrocellulose and dissolves fully, and stirring velocity is 300～350rpm therebetween, churning time 5～10min.Nitrocellulose dissolves the back fully and adds 1% silicone dispersion agent, and 36%PDP fluorescence green powder carries out high speed dispersion 30～40min with the speed greater than 1000rpm.Add above-mentioned pasty mixture then, the rising stirring velocity is carried out high-speed stirring with the speed that is not less than 1000rpm, and dispersed with stirring 50～60min dissolves dispersion fully to pasty mixture.Add 0.7% part of silicone defoamer at last, stirring velocity is reduced to 150～200rpm, stirs 20～30min.Finish discharging.
Claims (18)
1, a kind of PDP fluorescent powder pulp for spraying is characterized in that being prepared from by mass percentage by following raw material:
PDP fluorescent material 30～40%, Mierocrystalline cellulose 3～10%, ethyl acetate or butylacetate 10～20%, in high boiling Mierocrystalline cellulose good solvent 30～50%, anti-settling agent 5～10%, silicone dispersion agent 0.1～2%, silicone defoamer 0.1～2%.
2, PDP fluorescent powder pulp for spraying according to claim 1 is characterized in that PDP fluorescent material is a kind of in the following three primary colours PDP fluorescent material: the rouge and powder of ruddiness: (Y, Gd) BO
3: Eu
3+Or Y
2O
3: Eu
3+The blue powder of blue light-emitting: BaMgAl
14O
27: Eu
2+Or BaMgAl
10O
17: Eu
2+The green powder of green light: (BaMg) Al
12O
19: Mn
2+Or Zn
2SiO
4: Mn
2+
3, PDP fluorescent powder pulp for spraying as claimed in claim 1 or 2, the size distribution that it is characterized in that PDP fluorescent material is between 1～3 μ m.
4, PDP fluorescent powder pulp for spraying according to claim 1 is characterized in that Mierocrystalline cellulose is selected from a kind of in nitrocellulose, ethyl cellulose, butyl cellulose, the cyanoethyl cellulose.
5, PDP fluorescent powder pulp for spraying according to claim 1, high boiling Mierocrystalline cellulose good solvent is any one in pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate in it is characterized in that, its boiling point is at 100～200 ℃.
6, PDP fluorescent powder pulp for spraying according to claim 1 is characterized in that anti-settling agent is selected from a kind of in polyamide wax, polyethylene wax, Poly Propylene Wax, the amine hydroxybenzene wax.
7, the preparation method of any described PDP fluorescent powder pulp for spraying of claim 1 to 6 is characterized in that comprising the steps:
1) will carry out dispersed with stirring to forming pasty mixture after anti-settling agent and ethyl acetate or the butylacetate mixing;
2) dissolve fully being stirred to organic cellulose after any mixes in organic cellulose and pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate;
3) in the organic fibre cellulose solution that the pasty mixture adding step 2 that step 1) is made makes, dispersed with stirring to pasty mixture is dissolved in the organic fibre cellulose solution fully;
4) add dispersion agent, PDP fluorescent RE powder in the mixing solutions that step 3) makes, dispersed with stirring adds defoamer again after the PDP fluorescent RE powder disperses fully, promptly makes finished product after mixing.
8, as the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 7, it is characterized in that step 1) to 4) all in container, carry out by non-metallic material manufacturing or liner non-metallic material.
9, as the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 7, the plate-like agitator that it is characterized in that in the step 1) using surface-coated that non-metallic material is arranged carries out dispersed with stirring to anti-settling agent and ethyl acetate or butylacetate, stirring velocity is 1000～4000rpm, and the time is 5～20min.
10, as the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 7, it is characterized in that stirring velocity is 50～400rpm in the step 2, churning time is 5～30min.
11, as the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 7, it is characterized in that stirring velocity is not less than 1000rpm in the step 3, churning time is 15～90min.
12, as the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 7, carry out high speed dispersion with speed after it is characterized in that adding in the step 4 dispersion agent, PDP fluorescent RE powder greater than 1000rpm, the time is 20～80min.PDP fluorescent material disperses fully and the stirring velocity that adds behind the defoamer is reduced to 100～300rpm, and stirring is 5～60min.
13, the preparation method of any described PDP fluorescent powder pulp for spraying of claim 1 to 6 is characterized in that comprising the steps:
1) will carry out dispersed with stirring to forming pasty mixture after anti-settling agent and ethyl acetate or the butylacetate mixing;
2) dissolve fully being stirred to organic cellulose after any mixes in organic cellulose and pimelinketone, ethyl lactate, ethyl benzoate, n-Butyl lactate, the amyl propionate;
3) dispersion agent and fluorescent RE powder are added in the organic fibre cellulose solution that step 2 makes, carry out dispersed with stirring;
4) add the pasty mixture that step 1 system is carried in the mixing solutions that step 3 makes, dispersed with stirring to pasty mixture dissolves fully and disperses the back to add defoamer, promptly makes finished product after mixing.
14,, it is characterized in that step 1 all carries out to 4 in the container by non-metallic material manufacturing or liner non-metallic material as stating the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 13.
15, as stating the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 13, the plate-like agitator that it is characterized in that in the step 1 using surface-coated that non-metallic material is arranged carries out dispersed with stirring to anti-settling agent and ethyl acetate or butylacetate, stirring velocity is 1000～4000rpm, and the time is 5～20min.
16, as stating the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 13, it is characterized in that stirring velocity is 50～400rpm in the step 2, churning time is 5～30min.
17, as stating the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 13, it is characterized in that stirring velocity is greater than 1000rpm in the step 3, churning time is 20～80min.
18, as stating the preparation method of PDP fluorescent powder pulp for spraying as described in the claim 13, carry out high speed dispersion with the speed that is not less than 1000rpm after it is characterized in that adding in the step 4 pasty mixture that step 1 makes, the time is 15～90min.Stirring velocity after pasty mixture dissolves dispersion fully and adds defoamer is reduced to 100～300rpm, and stirring is 5～60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101565507A CN101376804B (en) | 2008-09-28 | 2008-09-28 | PDP fluorescent powder pulp for spraying and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101565507A CN101376804B (en) | 2008-09-28 | 2008-09-28 | PDP fluorescent powder pulp for spraying and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101376804A true CN101376804A (en) | 2009-03-04 |
| CN101376804B CN101376804B (en) | 2011-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642498A (en) * | 2013-11-19 | 2014-03-19 | 四川虹欧显示器件有限公司 | Red fluorescent powder slurry used for plasma panels and preparation method and applications thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000208055A (en) * | 1999-01-12 | 2000-07-28 | Mitsubishi Electric Corp | Phosphor paste and plasma display panel |
| JP4899275B2 (en) * | 2001-08-31 | 2012-03-21 | 東レ株式会社 | Phosphor and phosphor paste |
| CN1147902C (en) * | 2002-04-19 | 2004-04-28 | 彩虹彩色显像管总厂 | Process for manufacturing fluorescent screen of color CRT |
| CN100358077C (en) * | 2003-03-26 | 2007-12-26 | 东南大学 | Single-colour fluorescent powder spraying method for plasma display device |
| CN1236470C (en) * | 2003-07-07 | 2006-01-11 | 西安交通大学 | Fluorescent powder paste composition for plasma display device and method of preparing fluorescent powder film |
| CN100451086C (en) * | 2005-05-26 | 2009-01-14 | 中国科学院长春光学精密机械与物理研究所 | Fluorescent powder paste material for plasma plate display device and its synthesis method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642498A (en) * | 2013-11-19 | 2014-03-19 | 四川虹欧显示器件有限公司 | Red fluorescent powder slurry used for plasma panels and preparation method and applications thereof |
| CN103642498B (en) * | 2013-11-19 | 2015-05-27 | 四川虹欧显示器件有限公司 | Red fluorescent powder slurry used for plasma panels and preparation method and applications thereof |
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| Publication number | Publication date |
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| CN101376804B (en) | 2011-04-20 |
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