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CN101767936A - Medium slurry for glass substrate - Google Patents

Medium slurry for glass substrate Download PDF

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Publication number
CN101767936A
CN101767936A CN200910130480A CN200910130480A CN101767936A CN 101767936 A CN101767936 A CN 101767936A CN 200910130480 A CN200910130480 A CN 200910130480A CN 200910130480 A CN200910130480 A CN 200910130480A CN 101767936 A CN101767936 A CN 101767936A
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CN
China
Prior art keywords
glass
dielectric paste
weight percentage
sio
component
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CN200910130480A
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Chinese (zh)
Inventor
杨长印
赵波
陆冬梅
丁旭
牛淑蓉
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Xian Hongxing Electronic Paste Technology Co Ltd
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Xian Hongxing Electronic Paste Technology Co Ltd
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Priority to CN200910130480A priority Critical patent/CN101767936A/en
Publication of CN101767936A publication Critical patent/CN101767936A/en
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Abstract

The invention relates to medium slurry for a glass substrate, which is formed by mixing mixed glass powder, black organic pigment, organic filler and organic carrier. The mixed glass powder comprises two leadless glass powders; and the organic carrier ensures the printing performance. The glass substrate comprises the following materials in percentage by weight: 50-65 percent of mixed glass powder, 15-30 percent of black organic pigment, 1-5 percent of organic filler and 19-30 percent of organic carrier; and the mixed glass powder comprises the following materials in percentage by weight: 60-75 percent of glass A and 25-40 percent of glass B. The invention solves the technical problems of incomplete sintering, insufficient light-shielding capability, poor chemical resistance, and the like under a lower temperature in the prior art. The medium slurry for a glass substrate is mainly used for matching the production process of vehicle interlayer glass and can sinter in a wider temperature range and particularly fully sinter under a lower temperature of 580 DEG C, and a sintered film layer has excellent chemical resistance.

Description

The dielectric paste that glass basis is used
Technical field
The present invention relates to the dielectric paste that a kind of glass basis is used, be specifically related to a kind of dielectric paste that is particularly useful for automobile window glass.
Background technology
Windshield is generally laminated glass before the automobile, is to form with PVB film good bond with former sheet glass centre more than two or two, has transparency height, physical strength height, performance such as fast light, heat-resisting, cold-resistant.PVB laminated glass safety coefficient in vehicle glass is the highest, has good anti-collision ability and security.When glass was broken, glass fragment can be bonded on the PVB film, can not block driver's sight line.The high tenacity of PVB film makes PVB laminated glass bear the intensity of high speed impact even is higher than toughened glass.Because when bearing bump, the PVB film can arch upward and absorb a part of Impact energy, has certain shock absorption.
At present, form the black rete at the automobile window glass periphery with dielectric paste, be used for decorating, forming mark, cover ultraviolet ray, prevent that organic binder bond is aging, this The Application of Technology is more and more.Realize that technology generally is to use the silk screen printing dielectric paste, the knot that reburns forms the rete of black.
Traditional dielectric paste that is used for glass basis is made up of glass powder, mineral dye, filler, organic carrier etc. usually, generally all contains plumbous oxide in its glass powder, and they bring certain harm all can for environment and human health in preparation and use.Along with the development of environmental protection trend, press for the development lead-free and substitute original flint glass.Abroad to the research of crown glass early, present disclosed system mainly contains Bi 2O 3-BO 3-SiO 2System, ZnO-B 2O 3-SiO 2System and P 2O 5System, but be the dielectric paste of raw material with these vitreums, have following defective or deficiency respectively:
Only adopt Bi 2O-B 2O 3-SiO 2The dielectric paste of glass system, because the opacity deficiency of its glass self, after adding the mineral dye sintering, the rete light shielding ability of acquisition is also on the weak side.Can make the organic binder bond under the rete be subjected to the irradiation of sunlight middle-ultraviolet lamp easily and produce aging like this.And raw material is with Bi 2O 3Be main, Bi in the glass 2O 3Content is higher relatively, can cause production cost higher.
Only adopt ZnO-B 2O 3-SiO 2The dielectric paste of glass system, sintering temperature is higher, is carrying out abundant sintering below 600 ℃ than difficult behind the adding mineral dye.By reducing the content of mineral dye,, can reduce the opacifying property of rete owing to the minimizing of Opacifying pigment content though can improve the sintering situation.
Adopt P 2O 5The dielectric paste of glass system, water tolerance and chemical resistant properties are all relatively poor, and the rete of formation is easily destroyed by rainwater or acid rain, and work-ing life is short.
Summary of the invention
The lead-free medium slurry that the object of the present invention is to provide a kind of glass basis to use has solved in the background technology under the low temperature fully sintering, light shielding ability deficiency, the technical problem of the bad grade of chemical resistant properties.
Technic relization scheme of the present invention is as follows:
The dielectric paste that a kind of glass basis is used, its prescription contains by weight percentage:
Hybrid glass 50～65%,
Black inorganic pigment 15～30%,
Mineral filler 1～5%,
Organic carrier 19～30%;
Described hybrid glass is mixed by A glass and B glass and is formed, and this hybrid glass component by weight percentage is as follows:
A glass 60～75%,
B glass 25～40%.
The above A glass component by weight percentage contains:
SiO 2 25～35，
B 2O 3 2～8，
ZnO 8～15，
Bi 2O 3 35～50，
TiO 2 0～6，
Li 2O and Na 2O 0～10,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
Described B glass component by weight percentage contains:
SiO 2 22～32，
B 2O 3 1～8，
Bi 2O 3 55～65，
TiO 2 1～5，
Li 2O and Na 2O 0～10,
The glass-modified oxide compound 0～5 of B.
The preferable by weight percentage component of the above A glass contains:
SiO 2 27～33，
B 2O 3 3～8，
ZnO 8～15，
Bi 2O 3 37～48，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
The preferable by weight percentage component of described B glass contains:
SiO 2 22～32，
B 2O 3 3～8，
Bi 2O 3 56～64，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
The glass-modified oxide compound 0～5 of B.
Above-described A glass and B glass are good with low temperature softening glass all.
The softening temperature of the above B glass is good with the softening temperature that is lower than A glass.
Above-described A glass and B glass are good with crown glass all.
Above-described organic carrier comprises organic solvent, resin and tensio-active agent; The fire-resistant mineral filler of employing is suitable in described mineral filler;
Described organic carrier component by weight percentage is as follows:
Organic solvent 89～95,
Resin 4.5～10;
Tensio-active agent 0.5～2.
The glass-modified oxide compound of above-described A specifically can adopt Al 2O 3, MgO or BaO any one, or it any two is formed to multiple mixing with arbitrary proportion; The glass-modified oxide compound of described B specifically can adopt ZrO 2, Al 2O 3, MgO or BaO any one, or it any two is formed to multiple mixing with arbitrary proportion; Described mineral filler specifically can be adopted Al 2O 3, SiO 2Or any one of ZnO, or it any two is formed to multiple mixing with arbitrary proportion.
Above-described organic solvent specifically can adopt any of terpinol, Terpineol 350, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetic ester or propylene glycol, or its any two to multiple according to the mixture of practical application needs with arbitrary proportion; Described resin specifically can adopt any of ethyl cellulose, Nitrocellulose, acrylic resin, butyral resin or maleic acid resin, or its any two to multiple according to the mixture of practical application needs with arbitrary proportion; Described tensio-active agent specifically can class 85 of employing department or Yelkin TTS.
Above-described organic carrier comprises additive, and this additive is defoamer and the dispersion agent mixture with arbitrary proportion; Described additive occupies 0～3% of airborne body by weight percentage.
The present invention has following advantage:
The present invention has following advantage:
(1) have good sintering character, dielectric paste add behind the mineral dye of high level can be at a lower temperature abundant sintering, for example can be at 580 ℃ of abundant sintering down, thus resulting rete has opacifying property preferably after making the printing ink sintering.
When (2) being used for automobile laminated glass,, make printing ink have good non-stick property, with mould bonding, so be complementary with the production technique of automobile laminated glass because glass powder generates crystal in the process of heating.
(3) rete that sinters into has chemical resistant properties preferably, is difficult for aging.For example: water tolerance and acid resistance are better, and it is little that the rete of formation is influenced by rainwater or acid rain, long service life.
(4) owing to used the glass system component of two kinds of different softening points, the process of melting mutually of two kinds of glass powder is necessarily expanded the sintering range of slurry in sintering process, can carry out sintering in relative broad range, has reduced sintering temperature susceptibility in the technology.
(5) because the opacity of its glass system self is good, behind the adding mineral dye sintering, the rete light shielding ability of acquisition is strong.
(6) dielectric paste is unleaded slurry, and environmentally safe is harmless to HUMAN HEALTH, satisfies environmental protection requirement.
(7) the products material cost is low, than adopting Bi fully 2O 3-B 2O 3-SiO 2The glass of system uses Bi 2O 3Consumption is few, so product cost is low.
Embodiment
The present invention is to be main raw material with two kinds of crown glasss, be optimized assembly and the glass basis dielectric paste.By weight percentage, main ingredient of the present invention is as follows:
Hybrid glass 50～65,
Black inorganic pigment 15～30,
Mineral filler 1～5,
Organic carrier 19～30;
Hybrid glass of the present invention is mixed by A glass and B glass and is formed.By weight percentage, the component of hybrid glass of the present invention is as follows:
A glass 60～75,
B glass 25～40;
Wherein, A glass and the preferred crown glass of B glass, A glass is the different low temperature softening glass of softening temperature with B glass, and the softening temperature of B glass is lower than the softening temperature of A glass.The preferred fire-resistant mineral filler of mineral filler, for example: Al 2O 3, SiO 2Or any one of ZnO etc., or its any two to three kinds of mixing with arbitrary proportion are formed.
Component is as follows by weight percentage for A glass of the present invention:
SiO 2 25～35，
B 2O 3 2～8，
ZnO 8～15，
Bi 2O 3 35～50，
TiO 2 0～6，
Li 2O and Na 2O 0～10,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
Wherein, the glass-modified oxide compound of A can not add according to actual needs, or gets Al 2O 3, MgO or BaO any one, or its any two to three kinds of mixing with arbitrary proportion are formed.
Component is as follows by weight percentage for B glass of the present invention:
SiO 2 22～32，
B 2O 3 1～8，
Bi 2O 3 55～65，
TiO 2 1～5，
Li 2O and Na 2O 0～10,
The glass-modified oxide compound 0～5 of B;
Wherein, the glass-modified oxide compound of B can not add according to actual needs, or gets ZrO 2, Al 2O 3, MgO or BaO any one, or its any two to four kinds of mixing with arbitrary proportion are formed.
The preferable by weight percentage component of A glass of the present invention is as follows:
SiO 2 27～33，
B 2O 3 3～8，
ZnO 8～15，
Bi 2O 3 37～48，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
The preferable by weight percentage component of B glass of the present invention is as follows:
SiO 2 22～32，
B 2O 3 3～8，
Bi 2O 3 56～64，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
The glass-modified oxide compound 0～5 of B.
Specific embodiments of the invention one to ten, specific as follows by weight percentage:
Raw material 10
Hybrid glass 50 59 65 50 50 60 55 50 52 55
Black inorganic pigment 25 15 15 17 30 15 15 20 27 23
Mineral filler 5113123412
Organic carrier 20 25 19 30 19 23 27 26 20 20
The specific embodiment one to ten of hybrid glass of the present invention, specific as follows by weight percentage:
Raw material 10
A glass 60 75 65 70 63 67 72 62 68 73
B glass 40 25 35 30 37 33 28 38 32 27
The specific embodiment one to ten of organic carrier of the present invention, specific as follows by weight percentage:
Raw material 10
Organic solvent 90 95 89 90 92 91 90 93 94 90
Resin 8 4.5 10 5667559
Tensio-active agent 2 0.5 12121211
Additive: defoamer and dispersion agent are with 0003112000 of arbitrary proportion
Mix
The specific embodiment one to ten of A glass of the present invention, specific as follows by weight percentage:
Raw material 10
SiO 2 25 35 27 33 30 35 35 25 35 25
B 2O 3 5 2 3 8 4 5 7 6 5 7
ZnO 10 8 15 12 13 8 10 8 15 8
Bi 2O 3 50 35 48 37 45 42 40 50 45 43
TiO 2 3 6 0 0 1 0 5 4 0 2
Li 20 and Na 2O is with the mixing 362 10 080705 of arbitrary proportion
ZrO 2?0～5 2 4 5 0 1 0 3 0 0 5
The glass-modified oxide compound of A: Al 2O 3, MgO or BaO 2400620005
Arbitrary or two to three kinds of mixing with arbitrary proportion
The specific embodiment one to ten of B glass of the present invention, specific as follows by weight percentage:
Raw material 10
B glass
SiO 2 22 32 22 32 28 26 24 30 32 22
B 2O 3 5 8 3 1 4 3 6 7 8 5
Bi 2O 3 65 56 55 64 62 58 60 56 55 57
TiO 2 1 2 5 1 3 4 2 1 5 3
Li 2O and Na 2O 52 10 2084608
The glass-modified oxide compound of B: ZrO 2, Al 2O 3, MgO or 2050314005
Arbitrary or two to four kinds of mixing of BaO with arbitrary proportion
Close
The present invention chooses the mechanism characteristic of A glass and B glass:
1.A glass and B glass all have lower glass transition temperature, are beneficial to add after a large amount of black inorganic pigment sintering at low temperatures, as: be easy under 580 ℃, carry out abundant sintering.
2.A the component span of glass and B glass makes it can crystallization in sintering process, thus not with the glass bending process in the mould adhesion, have good release property, and have chemical resistant properties preferably.
3.A glass is the glass of two kinds of different softening temperatures with B glass, the softening temperature of B glass is lower.Two kinds of glass powder melt mutually altogether in sintering process, than using single glass powder to have wideer sintering range, have reduced process sensitivity.
4.B glassy phase has lower softening temperature for A glass, can reduce sintering temperature of the present invention, glass sintering under comparatively high temps of low softening temperature can make sintered membrane have reflecting feel preferably.
5.A glass has strong opacity.After A glass and B glass mix,, behind the sintering, have shading performance preferably and favorable chemical resistance at low temperatures when adding a large amount of black inorganic pigment particles.
6.A glass and B glass are crown glass, environmentally safe is harmless to HUMAN HEALTH.
A glass ingredient performance specification:
SiO in the A glass 2Be basal component, it constitutes the skeleton of glass, gives the good chemical stability of glass, thermostability and physical strength, and is basic crystallographic component.Work as SiO 2Content well below 25% o'clock, the chemical resistant properties of glass and release property can reduce; Work as SiO 2Content surpass at 35% o'clock, the softening temperature of glass can raise, in sheet glass hot bending process slurry will occur can not tight burning situation.Therefore, SiO in the A glass 2Optimum span be 27～33%.
B in the A glass 2O 3Be basal component, have the effect that reduces glass transition temperature.Work as B 2O 3Content surpass at 8% o'clock, the acid resistance of glass and crystallinity can reduce.Therefore, B in the A glass 2O 3Optimum span be 3～8%.
ZnO in the A glass is used to reduce the softening temperature and the coefficient of expansion of glass, the chemical resistant properties of reinforcing glass, and energy and SiO 2Reaction generates opaque willemite, makes the glass devitrification.But too high levels can make glass melting become difficult.The optimum span of ZnO is 8～15% in the A glass.
Bi in the A glass 2O 3Be basal component, play crystallographic component, and can effectively reduce the softening temperature of glass.Work as Bi 2O 3Content far below 35% o'clock, the softening temperature of glass is too high, can cause the low-temperature sintering characteristic variation of glass like this, works as Bi 2O 3Content surpass at 50% o'clock, the chemical resistant properties of glass will reduce.So Bi in the A glass 2O 3Optimum span be 37～48%.
TiO in the A glass 2The acid resistance that is used for reinforcing glass.Work as TiO 2Content surpasses at 6% o'clock, and the softening temperature of glass is raise.So TiO in the A glass 2Optimum span be 1～5%.
Basic oxide in the A glass preferably add Li 2O and Na 2O, they can reduce the softening temperature of glass effectively, and impel the glass crystallization, but the linear expansivity of glass is raise.Generally, work as Li 2O and Na 2It is too high that the content of O sum is less than the softening temperature that can make glass at 1% o'clock, and content can make the linear expansivity of glass excessive above 10% o'clock, and acid resistance reduces.Therefore, Li in the A glass 2O and Na 2The optimum span of the content of O sum is 2～8%.
ZrO in the A glass 2Be used to improve the alkali resistance of glass, work as ZrO 2Content surpass at 5% o'clock, will cause the softening temperature of glass to raise rapidly.Therefore, ZrO in the A glass 2Suitable span be 0～5%.
Except that said components, can also add the glass-modified oxide compound of A in the A glass of the present invention, for example: specifically can choose Al 2O 3, MgO or BaO etc. any, or its any two to multiple according to the mixture of practical application needs with arbitrary proportion.Add these modified oxides and can adjust the linear expansivity of glass more accurately, improve chemical resistant properties etc.Therefore, the preferred ingredient total content of these modified oxides is advisable to be lower than 6% in the A glass of the present invention.
B glass ingredient performance specification:
SiO in the B glass 2Be the element of glass, in glass, constitute skeleton, and be basic crystallographic component.Work as SiO 2Content was well below 22% o'clock, and the chemical resistant properties of glass can reduce; Work as SiO 2Content surpasses at 32% o'clock, and the softening temperature of glass will raise.Therefore, SiO 2The most preferred scope of content is 23～32%.
B in the B glass 2O 3Be vitrified essentially consist, can reduce glass transition temperature and linear exapnsion coefficient.Work as B 2O 3Content uprise and surpass at 9% o'clock, the acid resistance of glass and crystallinity can reduce, so, B 2O 3The most preferred scope of content is 3～8%.
Bi in the B glass 2O 3Also be the basal component of glass, play crystallographic component, and can effectively reduce the softening temperature of glass.Work as Bi 2O 3Content far below 55% o'clock, the softening temperature of glass can be too high; Work as Bi 2O 3Content uprise and surpass at 65% o'clock, the acid resistance of glass will reduce.So Bi 2O 3The highly preferred scope of content is 56～64%.
TiO in the B glass 2Be used for reinforcing glass acid resistance.When content surpasses 6%, the softening temperature of glass is raise, so TiO 2The most preferred scope of content is 1～5%.
Basic oxide in the B glass preferably add Li 2O and Na 2O, it can effectively reduce the softening temperature of glass, and impels the crystallization of glass.Work as Li 2O and Na 2It is too high that the total amount of O component is less than the softening temperature that can make glass at 1% o'clock; Work as Li 2O and Na 2The total amount of O component surpasses at 10% o'clock can make the thermal expansivity of glass excessive, and acid resistance reduces.So Li 2O and Na 2The most preferred scope of O total amount is 2～8%.
Except that said components, can also add the glass-modified oxide compound of B in the B glass of the present invention, for example: specifically can choose ZrO 2, Al 2O 3, MgO or BaO etc. any, or its any two to multiple according to the mixture of practical application needs with arbitrary proportion.Add these modified oxides and can adjust the linear expansivity of glass more accurately, improve chemical resistant properties etc.Therefore, the total content of these modified oxides is advisable to be lower than 5% in the B glass of the present invention.
The explanation of black inorganic pigment component property:
Black inorganic pigment shared weight percent in component of the present invention is generally 15～30%.When black inorganic pigment content was lower than 15%, black pigment particle contained in the slurry was very few, can reduce the light shielding ability of rete behind the slurry sintering; When black inorganic pigment content surpasses 30%, because the black inorganic pigment particle belongs to refractory materials, in sintering process, hinder the softening mobilization of glass, can promote the sintering temperature of slurry, cause the slurry sintering temperature higher and can not under predetermined temperature, carry out tight burning.Usually, black inorganic pigment particulate size is being good in 0.1～2 mu m range.
The explanation of mineral filler component property:
The normally not fire-resistant mineral filler of fused under the high temperature of the mineral filler that can add among the present invention, for example: Al 2O 3, SiO 2Or ZnO etc., they can the flowability of feed glass powder in sintering process, helps improving demolding performace, strengthens the intensity of rete behind the slurry sintering simultaneously, strengthens rub resistance.The content of mineral filler is generally in 5%.The too high meeting of inorganic filler content makes the slurry sintering temperature higher, exceeds predetermined sintering range.Usually, the size of inorganic filler particle is being good in 1～5 mu m range.
The explanation of organic carrier component property:
The effect of organic carrier is to make the pressed powder slurryization among the present invention, and to guarantee the printing performance of slurry, it comprises organic solvent, resin and tensio-active agent etc.Organic carrier among the present invention can use now known various additives.Wherein, the main component of organic solvent is any of terpinol, Terpineol 350, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetic ester, propylene glycol etc., or its any two to multiple according to the mixture of practical application needs with arbitrary proportion.The weight percent of organic solvent is generally 89～95% in organic carrier.Resin can use any of ethyl cellulose, Nitrocellulose, acrylic resin, butyral resin, maleic acid resin etc., or its any two to multiple according to the mixture of practical application needs with arbitrary proportion.Resin is used to regulate the viscosity of organic carrier and keep dried shape of print film and adhesion strength, and the weight percent of resin is generally 4.5～10% in organic carrier.Tensio-active agent is used for reducing the surface tension at organic carrier and solid particulate interface, make the surface of the abundant wetting solid particulate of organic carrier energy, strengthen the affinity between solid particulate and the organic carrier, make slurry keep stable dispersion state, tensio-active agent officials class 85 or Yelkin TTS commonly used, its weight percent is generally 0.5～2% in organic carrier.Can also add now known other additive in the organic carrier of the present invention, for example: defoamer and dispersion agent etc.
The present invention can prepare in the usual way, and concrete preparation technology's example is as follows:
(1) preparation solid powder composition: take by weighing various raw materials by component ratio of the present invention, wherein A glass 35%, B glass 21%, black inorganic pigment 20%, mineral filler 1%, organic carrier 23%.The concrete component of A glass: Bi 2O 340%, SiO 232%, B 2O 36%, ZnO 15%, TiO 22%, Li 2O 2.7%, Na 2O 1.3%, ZrO 21%; The concrete component of B glass: Bi 2O 364%, SiO 223%, B 2O 34%, TiO 24%, Li 2O 2.7%, Na 2O 2.3%.After the various raw materials of A glass and B glass are mixed, under 1100 ℃～1200 ℃ temperature, melt 30～60min, and with melts in deionized water rapidly cooling promptly quench, obtain the glass slag.The glass slag is carried out wet-milling in ball mill, in ball mill, specifically can use grindings such as aluminum oxide or agate ball.Dry then, broken, sieve, obtain leadless glass powder of the present invention, record the mean particle size D of A glass powder and B glass powder 50Be 3.8 μ m and 4.5 μ m.In the hybrid glass powder, add black inorganic pigment and mineral filler again by component ratio of the present invention, obtain solid powder mixture.Black inorganic pigment of the present invention can be used the black inorganic pigment of market sale.For example: the black or cobalt black of copper-chrome black, ferrimanganic etc. any, or its any two to multiple according to the mixture of practical application needs with arbitrary proportion, its granular size is advisable with 0.1～2 μ m.Mineral filler also can be used and be purchased, and its granular size to be to be advisable at 1～5 μ m.
(2) preparation paste compound: add organic carrier in above-mentioned solid powder mixture, carry out rolling with three-high mill, made fineness≤6 μ m, viscosity is at the paste compound of 30～40Pas.Organic carrier of the present invention can be made up of 92% Terpineol 350,3% diethylene glycol monobutyl ether acetic ester, 4.5% ethyl cellulose and 0.5% Yelkin TTS.
(3) the said products test-results: use 200 order nylon mesh, paste compound is printed on the automotive grade float glass substrate of 30 * 30 * 2mm (slurry is printed on the tin face), printed pattern is 20 * 20mm, and, obtain the test film that sintered membrane thickness is 15 ± 1 μ m 580 ℃ of sintering 5 minutes.Do following test:
A) release property: with (150 ℃ of infrared dryings after slurry printing and the drying, 10 minutes), earlier through 450 ℃ of pre-burnings 5 minutes to remove the organic carrier part, on test film, cover same a slice glass substrate then, again through 580 ℃ of sintering 5 minutes, upper glass plate can take off easily behind the sintering, and not by the dielectric paste adhesion, the decidable slurry has satisfied demolding performace.
B) acid resistance: use 1 quality %H 2SO 4Solution, half of maintenance sintered membrane is on solution, and half is immersed in the solution, soaks 2 hours, takes out water then and rinses well.Observe from the sheet glass reverse side, do not had aberration, can think that slurry has good acid resistance by the part of acid soak and the part of not soaked.
C) alkali resistance: use 1 quality %NaOH solution, half of maintenance sintered membrane is on solution, and half is immersed in the solution, soaks 2 hours, takes out water then and rinses well.Observe from the sheet glass reverse side, do not had aberration, can think that slurry has good alkali resistance by the part of dipping by lye and the part of not soaked.
D) opacifying property: use the optical density (OD) determinator, the opacifying property of sintered membrane is detected, optical density (OD) 〉=2.5, light penetration＜0.3% has good light shielding ability.
Test film behind oversintering, the present invention has good demolding performace, chemical resistant properties, opacifying property.Sintered membrane is smooth, densification, light.

Claims (10)

1. dielectric paste that glass basis is used, its prescription contains by weight percentage:
Hybrid glass 50～65,
Black inorganic pigment 15～30,
Mineral filler 1～5,
Organic carrier 19～30;
Described hybrid glass is mixed by A glass and B glass and is formed, and this hybrid glass component by weight percentage is as follows:
A glass 60～75,
B glass 25～40.
2. the dielectric paste that glass basis according to claim 1 is used is characterized in that, described A glass component by weight percentage contains:
SiO 2 25～35，
B 2O 3 2～8，
ZnO 8～15，
Bi 2O 3 35～50，
TiO 2 0～6，
Li 2O and Na 2O 0～10,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
Described B glass component by weight percentage contains:
SiO 2 22～32，
B 2O 3 1～8，
Bi 2O 3 55～65，
TiO 2 1～5，
Li 2O and Na 2O 0～10,
The glass-modified oxide compound 0～5 of B.
3. the dielectric paste that glass basis according to claim 1 is used is characterized in that, described A glass component by weight percentage contains:
SiO 2 27～33，
B 2O 3 3～8，
ZnO 8～15，
Bi 2O 3 37～48，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
ZrO 2 0～5，
The glass-modified oxide compound 0～6 of A;
Described B glass component by weight percentage contains:
SiO 2 22～32，
B 2O 3 3～8，
Bi 2O 3 56～64，
TiO 2 1～5，
Li 2O and Na 2O 2～8,
The glass-modified oxide compound 0～5 of B.
4. the dielectric paste of using according to claim 1 or 2 or 3 described glass basiss, it is characterized in that: described A glass and B glass are low temperature softening glass.
5. the dielectric paste that glass basis according to claim 4 is used is characterized in that: the softening temperature of described B glass is lower than the softening temperature of A glass.
6. the dielectric paste that glass basis according to claim 5 is used is characterized in that: described A glass and B glass are crown glass.
7. the dielectric paste that glass basis according to claim 6 is used is characterized in that: described organic carrier comprises organic solvent, resin and tensio-active agent; Described mineral filler is fire-resistant mineral filler;
Described organic carrier component by weight percentage is as follows:
Organic solvent 89～95,
Resin 4.5～10;
Tensio-active agent 0.5～2.
8. the dielectric paste that glass basis according to claim 7 is used is characterized in that: the glass-modified oxide compound of described A is Al 2O 3, MgO or BaO any one, or it any two is formed to multiple mixing with arbitrary proportion; The glass-modified oxide compound of described B is ZrO 2, Al 2O 3, MgO or BaO any one, or it any two is formed to multiple mixing with arbitrary proportion; Described mineral filler is Al 2O 3, SiO 2Or any one of ZnO, or it any two is formed to multiple mixing with arbitrary proportion.
9. the dielectric paste that glass basis according to claim 8 is used, it is characterized in that: described organic solvent is any of terpinol, Terpineol 350, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetic ester or propylene glycol, or it is any two to multiple mixture with arbitrary proportion; Described resin is any of ethyl cellulose, Nitrocellulose, acrylic resin, butyral resin or maleic acid resin, or it is any two to multiple mixture with arbitrary proportion; Described tensio-active agent is class 85 of department or Yelkin TTS.
10. the dielectric paste that glass basis according to claim 9 is used is characterized in that: described organic carrier comprises additive, and this additive is defoamer and the dispersion agent mixture with arbitrary proportion; Described additive occupies 0～3% of airborne body by weight percentage.
CN200910130480A 2008-12-31 2009-04-15 Medium slurry for glass substrate Pending CN101767936A (en)

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CN104355540A (en) * 2014-10-28 2015-02-18 京东方科技集团股份有限公司 Sealing glass slurry
CN105731812A (en) * 2016-01-14 2016-07-06 西安宏星电子浆料科技有限责任公司 Lead-free low-softening point acid-resistant glass powder for chip component paste and preparation method
CN105753328A (en) * 2016-02-26 2016-07-13 武汉理工大学 Lead-cadmium-free compound glass powder for printing ink for windshield of automobile and preparation method thereof
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CN112573829A (en) * 2020-12-15 2021-03-30 黄山市晶特美新材料有限公司 Glass slurry for automobile press-formed front windshield and preparation method thereof
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CN103964694A (en) * 2013-01-28 2014-08-06 西安宏星电子浆料科技有限责任公司 Lead-free glass powder and preparation process thereof
CN104355540A (en) * 2014-10-28 2015-02-18 京东方科技集团股份有限公司 Sealing glass slurry
US9938183B2 (en) 2014-10-28 2018-04-10 Boe Technology Group Co., Ltd. Sealing glass paste
CN105731812A (en) * 2016-01-14 2016-07-06 西安宏星电子浆料科技有限责任公司 Lead-free low-softening point acid-resistant glass powder for chip component paste and preparation method
CN105753328A (en) * 2016-02-26 2016-07-13 武汉理工大学 Lead-cadmium-free compound glass powder for printing ink for windshield of automobile and preparation method thereof
CN105753328B (en) * 2016-02-26 2018-08-07 武汉理工大学 A kind of windshield ink lead and cadmium free composite glass powder and preparation method thereof
US11130872B2 (en) * 2016-03-30 2021-09-28 Noritake Co., Limited Red paint for ceramic decoration
US11674043B2 (en) 2016-03-30 2023-06-13 Noritake Co., Limi Ted Red paint for ceramic decoration
CN107286730A (en) * 2017-07-24 2017-10-24 郑州市亚美凯新材料有限公司 A kind of special-purpose aqueous safety glass ink of touch-screen and preparation method thereof
CN111747650A (en) * 2019-03-29 2020-10-09 Tdk株式会社 Black marking composition and electronic component using same
CN110066109B (en) * 2019-05-28 2022-02-22 江西陶瓷工艺美术职业技术学院 Flux for antique pigment and application method thereof
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CN112201387A (en) * 2020-09-17 2021-01-08 西安宏星电子浆料科技股份有限公司 A kind of anti-battery effect isolation dielectric paste for thick film circuit
CN112201387B (en) * 2020-09-17 2021-12-21 西安宏星电子浆料科技股份有限公司 A kind of anti-battery effect isolation dielectric paste for thick film circuit
CN112573829A (en) * 2020-12-15 2021-03-30 黄山市晶特美新材料有限公司 Glass slurry for automobile press-formed front windshield and preparation method thereof
CN114920464A (en) * 2022-06-02 2022-08-19 黄山市晶特美新材料有限公司 Automobile glass slurry suitable for high-curvature processing and preparation method thereof
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