CN110028831A - A kind of tempered glass of automobile crown glass ink and preparation method thereof - Google Patents
A kind of tempered glass of automobile crown glass ink and preparation method thereof Download PDFInfo
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- CN110028831A CN110028831A CN201910326180.5A CN201910326180A CN110028831A CN 110028831 A CN110028831 A CN 110028831A CN 201910326180 A CN201910326180 A CN 201910326180A CN 110028831 A CN110028831 A CN 110028831A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/14—Printing inks based on carbohydrates
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Abstract
The present invention relates to a kind of tempered glass of automobile crown glass ink and preparation method thereof, which is made of lead-free glass powder with low melting point and inorganic pigment, varnish, auxiliary agent；The lead-free glass powder with low melting point is grouped as by the group of following molar percentage: SiO232.0%-32.6%, B2O315.1%-15.7%, Bi2O312.2%-12.8%, ZnO 22.8%-23.4%, TiO24.0%-4.6%, Al2O32.6%-3.2%, Li2O 2.2%-2.8%, Na2O 2.2%-2.4%, CaO 2.0%-2.6%, ZrO21.8%-2.0%, Y2O30.45%-0.50%.The crown glass ink has good storage characteristics, printing, resistance to bond, resistance to acid and alkali and shielding, and tempered glass of automobile is suitble to use.
Description
Technical field
The invention belongs to automobile glass printing ink technical fields, and in particular to a kind of tempered glass of automobile crown glass oil
Ink also relates to a kind of preparation method of above-mentioned tempered glass of automobile crown glass ink.
Background technique
Vehicle glass is essential structural member in automobile body accessories, closely bound up with automobile appearance, and main rise is prevented
Shield effect；Shield glass is laminated glass, and side window glass is tempered glass, and rear seat windscreen is usually electrified heating silk
Tempered glass.The fast development of auto industry, has pushed the growth of tempered glass of automobile industry, has also driven automobile tempering glass
The research and development and demand of glass ink.
Tempered glass of automobile ink is a kind of for automobile tempering windshield edge or entire windshield table
The glass ceramics slurry in face, is mainly ground after mixing by glass powder with low melting point, varnish, inorganic pigment and auxiliary agent and is made,
Glass ink is printed on printing glass substrate generally by silk-screen printing, it is other in ink by drying and being sintered
Ingredient volatilizees to decompose substantially to be finished, and glass powder with low melting point and inorganic pigment melt and are covered on tempered glass surface, form black
Or the glass glaze ink film layer of other dark colors, windshield light-proofness, resistance to bond and chemical corrosion resistance etc. are assigned, can effectively be dropped
The ultraviolet ray transmissivity of low windshield prevents the glue of bonding windshield and car body from chemical change occurs, while playing screening
The effect covered conductive silver paste, beautify car body appearance.
Glass powder with low melting point is that have lower softening temperature or the glass powder compared with low melting temperature, is the important of glass ink
Component part, component, proportion and dosage decide the sintering property of glass ink and the glass glazings performance after film forming.Generally
, in order to meet the intensity requirement of windshield, the sintering temperature of glass ink should be as low as possible, and this requires glass powders
Fusing point reduce；But improperly fluxing system is added in glass powder and is usually associated under the resistance to bond and acid resistance of glass ink
Drop, windshield in hot bending shape sintered ink film layer and molding die adhesion and cause ink film surface broken
It is bad, it can not also be detected by the acid resistance in later period.
In the glass of conventional commercial, usually reach reduction as the fluxing object of glass by adding a large amount of lead oxide PbO
The effect of fusing point；Typical PbO-SiO2Serial flint glass have unique network structure, thus have low thermal coefficient of expansion,
High chemical stability and lower softening temperature, therefore traditional glass ink also mostly uses leaded glass powder with low melting point, obtains
Be also flint glass ink.But PbO belongs to noxious material, is easy damage human body hematopoiesis, nerve, digestive system and kidney,
Cause human body lead poisoning；With the implementation of national environmental protection policy and the enhancing of people's environmental consciousness, flint glass and flint glass
The use of ink is restricted.
Therefore, a kind of tempered glass of automobile glass ink prepared using lead-free glass powder with low melting point how is developed, is made
It, with excellent sintering character, resistance to bond and acid resistance, is the technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of tempered glass of automobile crown glass ink, have excellent sintering character,
Resistance to bond and acid resistance.
A second object of the present invention is to provide a kind of preparation sides of above-mentioned tempered glass of automobile crown glass ink
Method.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of tempered glass of automobile crown glass ink, consists of the following mass percentage components: Unlead low-smelting point
Glass powder 60.0%-62.0%, inorganic pigment 17.0%-18.0%, varnish 20.0%-21.0%, auxiliary agent 0.8%-
1.2%；
The lead-free glass powder with low melting point is grouped as by the group of following molar percentage: SiO232.0%-32.6%,
B2O315.1%-15.7%, Bi2O312.2%-12.8%, ZnO22.8%-23.4%, TiO24.0%-4.6%, Al2O3
2.6%-3.2%, Li2O2.2%-2.8%, Na2O2.2%-2.4%, CaO2.0%-2.6%, ZrO21.8%-2.0%,
Y2O30.45%-0.50%.
Further, in the lead-free glass powder with low melting point, Li2O、Na2O, the total moles percentage composition of CaO is 7.0%-
7.2%.
Preferably, in the lead-free glass powder with low melting point, ZrO2With Y2O3Molar ratio be 4:1.
The preparation method of above-mentioned automobile glass printing ink lead-free glass powder with low melting point, comprising the following steps:
A) chemical oxide or precursor material powder is taken to be warming up to 1190-1200 after mixing by glass powder formula
DEG C and keeping the temperature 100-120min melts glass sufficiently, after melten glass be poured into water water quenching obtain glass dregs；
B) it after glass dregs obtained by step a) being warming up to 400-440 DEG C of heat preservation 30-40min, is cooled to room temperature, is annealed
Glass dregs；
C) annealed glass slag obtained by step b) is placed in planetary ball mill, using dehydrated alcohol as ball-milling medium, with 300-
The revolving speed ball milling 12-14h of 400rpm, it is rear take out it is dry, be sieved to get.
In step a), the heating rate is 14-16 DEG C/min.
In step b), the heating rate is 10-12 DEG C/min.
In step c), the temperature of the drying is 80 DEG C -90 DEG C.
In step c), the sieving referred to 500 mesh screens.
Above-mentioned tempered glass of automobile is in crown glass ink, and the varnish is by polyvinyl butyral resin, ethyl
Cellulose and solvent complex form.
Mass content of the polyvinyl butyral resin in varnish is 5.0%-6.0%.
Mass content of the ethyl cellulose in varnish is 3.0%-4.0%.
The solvent is the mixed solvent mixed by turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG).
The in the mixed solvent, turpentine oil, terpinol, diethylene glycol ether, the volume ratio of diethylene glycol (DEG) are 3:1:(0.4-
0.6):(0.4-0.6)。
The varnish in the preparation, first mixes in proportion turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG)
Afterwards, polyvinyl butyral resin and ethyl cellulose is added, then is warming up to 80 DEG C -85 DEG C, after stirring and dissolving, is cooled to room temperature
And filter to get.
The auxiliary agent includes dispersing agent, substrate wetting agents, levelling agent and thixotropic agent.
A kind of preparation method of above-mentioned tempered glass of automobile crown glass ink, comprising the following steps:
1) it takes the lead-free glass powder with low melting point of formula ratio to mix and grind with inorganic pigment, powder is made；
2) powder obtained by step 1) is mixed with the auxiliary agent of formula ratio, varnish, is first stirred under 500-600rpm revolving speed
It is pre-dispersed to be dispersed with stirring 30-40min at slurry, then under 1500-2000rpm revolving speed, rear grinding to get.
In step 2), the grinding refers to is ground to fineness no more than 10 μm on three-roll grinder.
Gained tempered glass of automobile of the invention with crown glass ink when in use, after silk-screen printing and drying, 660
1.5-2.0min is sintered under the conditions of DEG C -680 DEG C.
The tempered glass of automobile of the invention lead-free glass powder with low melting point used in crown glass ink, by reasonably adjusting
SiO2、B2O3、Bi2O3、ZnO、TiO2、Al2O3Dosage, suitable Li is added2O、Na2O, CaO is provided enough as fluxing agent
Free oxygen so that the part of boron oxygen triangle body [BO in glass system3] to boron oxygen tetrahedron [BO4] transformation, ZnO formation zinc oxygen
Tetrahedron [ZnO4] enter in the network structure of glass system, so that the formation of glass network is more easy, glass network is mutual
Connect it is even closer, structure it is finer and close and stablize so that the thermal expansion coefficient of glass system reduces, acid-proof alkaline is mentioned
It is high.In Li2O、Na2O, in the fluxing system of CaO compounding, Li2The addition of O is so that the quantity of oxygen increases in glass system, silicon oxygen bond
Fracture generates non-bridging oxygen, destroys three-dimensional structure；Li+Radius is smaller, and the key in conjunction with oxygen is maximum by force, is easily accessible silicon oxygen
Tetrahedron, zinc oxygen tetrahedron, boron oxygen triangle body and boron oxygen tetrahedron be basic structural unit gap in, and be easy movement, have
Help reduce the softening temperature and melting temperature of glass system.Na2O is in addition to making silicon oxygen bond be broken and be easily accessible silicon oxygen four sides
Body, zinc oxygen tetrahedron, boron oxygen triangle body and boron oxygen tetrahedron are outside the gap of basic structural unit, moreover it is possible to other oxide shapes
At eutectic, to reduce the softening temperature and melting temperature of glass system.On the one hand CaO forms low total with other oxides
Fusant, the on the other hand annealing stage and Al in glass powder preparation process2O3、SiO2Equal oxides form a small amount of devitrified glass
As tiny crystals, formed crystallite phase and glass phase multiphase compound system, the thermal expansion coefficient of glass system is steadily controlled
System matches in optimum range with reinforced glass substrate.
Tempered glass of automobile of the present invention lead-free glass powder with low melting point used in crown glass ink, in SiO2、B2O3、
Bi2O3、ZnO、TiO2、Al2O3On the basis of compounding, pass through Li2O、Na2The synergistic effect of O and CaO reduces the softening of glass powder
Temperature, while a small amount of ZrO is added2And Y2O3, by yttria-stabilized zirconia system, so that being generated on a small quantity in glass system
The elongated crystal of zirconium oxide, long crystal plays solidification, bridging effect between glass matrix, improves the consistency and knot of glass system
With joint efforts, increase the intensity and resistance to acid and alkali of glass system.
The present invention is by reasonably adjusting SiO2、B2O3、Bi2O3、ZnO、TiO2、Al2O3Dosage, suitable Li is added2O、
Na2O, CaO is as fluxing agent, a small amount of ZrO2And Y2O3As reinforcing agent, the softening temperature of gained lead-free glass powder with low melting point is slightly lower
The final decomposition temperature (about 540 DEG C) of the polyvinyl butyral resin used in varnish is burnt in tempered glass of automobile ink
When knot, glass powder with low melting point first starts melt-flow, penetrates into the glass substrate for just starting softening, bonds with glass substrate
Together, then polyvinyl butyral resin just decomposes completely, to avoid ink film layer powder of detached, enhances ink film layer
Adhesive force on the glass substrate.The thermal expansion coefficient of gained lead-free glass powder with low melting point is slightly below the thermal expansion system of glass substrate
Number, when gained tempered glass of automobile ink is sintered, ink is caused auto Deformation and substrate to shrink imparting by contraction itself
Compression and the compression that generates is small, no more than the compressive resistance limit of ink layer, not will cause ink film layer cracking, oil
Ink film layer can preferably tile and adhere on the glass substrate, and the binding force of the two is strong, and film surface is complete and intensity is high.Institute of the present invention
Matched with the performance of lead-free glass powder with low melting point and the sintering process of tempered glass of automobile ink, meets tempered glass of automobile oil
The requirement of ink.
Automobile glass printing ink of the invention with lead-free glass powder with low melting point in the preparation, first by chemical oxide or presoma
After mixing, water quenching obtains glass dregs to material powder after heating melts glass sufficiently；Gained glass dregs are warming up to again
After 400-440 DEG C of heat preservation 30-40min, it is cooled to room temperature, obtains annealed glass slag；Last ball milling, drying, sieving are made.Its
In, the effect of annealing stage is to make CaO and Al2O3、SiO2Equal oxides form the tiny crystals as a small amount of devitrified glass, are formed
The multiphase compound system (the thermal expansion coefficient very little of devitrified glass phase) of crystallite phase and glass phase, by the thermal expansion system of glass system
Number steadily controls in optimum range, matches with reinforced glass substrate.
Tempered glass of automobile of the invention crown glass ink, using above-mentioned lead-free glass powder with low melting point and inorganic face
Material, varnish, auxiliary agent mixing preparation, viscosity is between 28300-28560, modest viscosity；Deployed crown glass ink exists
It places at room temperature, without pigment sedimentation, lamination within 120d, storability is good.From the point of view of service performance, pass through screen printing
It is found after brush, 660 DEG C of sintering 1.5min, printing effect is good, and printed edge is without diffusion phenomena；Film surface is complete, black is glossy, resists
Viscosity is up to standard；In acid and alkali-resistance experiment, ink sample passes through the acid solution of 300h, dipping by lye, and mass loss rate exists respectively
1.44%, 0.38% hereinafter, mass loss is few.Tempered glass of automobile of the invention crown glass ink has good
Storage stability, printing, resistance to bond, resistance to acid and alkali and shielding are suitble to tempered glass of automobile to use.
Specific embodiment
The present invention is described further With reference to embodiment.
In specific embodiment, in glass dust raw material used, SiO2、B2O3、Bi2O3、ZnO、TiO2、Al2O3、Li2O、
ZrO2、Y2O3Using analysis pure-oxide raw material；Na2O is using the pure Na of analysis2CO3(with Na2O)；CaO is using the pure CaCO of analysis3(with
CaO meter).
Polyvinyl butyral resin used is mixed by SD-3 and SD-5, SD-6, the matter of SD-3 and SD-5, SD-6
For amount than being 1:0.3:0.3, SD-3 and SD-5, SD-6 are commercial goods.The density of ethyl cellulose used is 1.14g/cm3
(25 DEG C), molecular weight 448.5, viscosity 18-22mPas (volumetric concentration 5%, toluene and alcohol mixed solution, toluene with
The volume ratio of ethyl alcohol is 80:20).
Inorganic pigment used uses copper-chrome black.The auxiliary agent is by dispersing agent, substrate wetting agents, levelling agent and thixotropic agent group
Mass ratio at, dispersing agent, wetting agent, levelling agent and thixotropic agent is 0.3:0.2:0.2:0.3.Wherein, the dispersing agent is
TEGO Dispers 652, commercial goods.The wetting agent is TEGO Wet KL 245, commercial goods.The levelling agent is third
Olefin(e) acid ester levelling agent, specially TEGO Flow ZFS 460, commercial goods.The thixotropic agent is fumed silica.
Embodiment 1
The automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, is grouped as by the group of following molar percentage:
SiO232.0%, B2O315.7%, Bi2O312.25%, ZnO23.4%, TiO24.0%, Al2O33.2%, Li2O2.2%,
Na2O2.4%, CaO2.6%, ZrO21.8%, Y2O30.45%.
The preparation method of the automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, comprising the following steps:
A) chemical oxide or presoma (carbonate) material powder is taken to set after mixing by above-mentioned glass powder formula
It is put into high temperature furnace after in corundum crucible, is warming up to 1200 DEG C with the rate of 15 DEG C/min and keeping the temperature 100min keeps glass abundant
Melting obtains molten glass body, after melten glass is quickly poured into water quenching in deionized water, obtain glass dregs；
B) it is put into high temperature furnace after glass dregs obtained by step a) being replaced in corundum crucible, with the rate of 12 DEG C/min
After being warming up to 440 DEG C of heat preservation 30min, cools to room temperature with the furnace, obtain annealed glass slag；
C) annealed glass slag obtained by step b) is placed in planetary ball mill, uses corundum abrading-ball, using dehydrated alcohol as ball
Grinding media (volume ratio of ball, material and ethyl alcohol is 4:2:1), it is rear to take out in 90 DEG C of dryings to perseverance with the revolving speed ball milling 14h of 300rpm
Weight, cross 500 mesh screens to get.
The tempered glass of automobile of the present embodiment crown glass ink, consists of the following mass percentage components: above-mentioned
Lead-free glass powder with low melting point 60.0%, inorganic pigment 18.0%, varnish 21.0%, auxiliary agent 1.0%；
The varnish is formed by polyvinyl butyral resin, ethyl cellulose and solvent complex；The polyvinyl alcohol
Mass content of the butyral resin in varnish is 5.0%；Mass content of the ethyl cellulose in varnish be
4.0%；The solvent is the mixed solvent mixed by turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), turpentine oil, pine
Oleyl alcohol, diethylene glycol ether, the volume ratio of diethylene glycol (DEG) are 3:1:0.5:0.5.
The preparation method of the tempered glass of automobile of the present embodiment crown glass ink, comprising the following steps:
1) it prepares varnish: after first mixing in proportion turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), being added
Polyvinyl butyral resin and ethyl cellulose, then be warming up to 80 DEG C, after stirring and dissolving, be cooled to room temperature and filter, it is spare；
2) it takes the lead-free glass powder with low melting point of formula ratio to mix and grind with inorganic pigment, powder is made；
3) powder obtained by step 1) is mixed with the auxiliary agent of formula ratio, varnish, pre- point is first stirred under 500rpm revolving speed
Dissipate into slurry, then be dispersed with stirring 30min under 2000rpm revolving speed, after fineness is ground on three-roll grinder no more than 10 μm,
To obtain the final product.
Embodiment 2
The automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, is grouped as by the group of following molar percentage:
SiO232.6%, B2O315.1%, Bi2O312.8%, ZnO22.8%, TiO24.6%, Al2O32.6%, Li2O2.8%,
Na2O2.2%, CaO2.0%, ZrO22.0%, Y2O30.5%.
The preparation method of the automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, comprising the following steps:
A) chemical oxide or presoma (carbonate) material powder is taken to set after mixing by above-mentioned glass powder formula
It is put into high temperature furnace after in corundum crucible, is warming up to 1200 DEG C with the rate of 15 DEG C/min and keeping the temperature 110min keeps glass abundant
Melting obtains molten glass body, after melten glass is quickly poured into water quenching in deionized water, obtain glass dregs；
B) it is put into high temperature furnace after glass dregs obtained by step a) being replaced in corundum crucible, with the rate of 10 DEG C/min
After being warming up to 400 DEG C of heat preservation 40min, cools to room temperature with the furnace, obtain annealed glass slag；
C) annealed glass slag obtained by step b) is placed in planetary ball mill, uses corundum abrading-ball, using dehydrated alcohol as ball
Grinding media (volume ratio of ball, material and ethyl alcohol is 4:2:1), it is rear to take out in 85 DEG C of dryings to perseverance with the revolving speed ball milling 13h of 350rpm
Weight, cross 500 mesh screens to get.
The tempered glass of automobile of the present embodiment crown glass ink, consists of the following mass percentage components: unleaded
Glass powder with low melting point 62.0%, inorganic pigment 17.0%, varnish 20.0%, auxiliary agent 1.0%；
The varnish is formed by polyvinyl butyral resin, ethyl cellulose and solvent complex；The polyvinyl alcohol
Mass content of the butyral resin in varnish is 6.0%；Mass content of the ethyl cellulose in varnish be
3.0%；The solvent is the mixed solvent mixed by turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), turpentine oil, pine
Oleyl alcohol, diethylene glycol ether, the volume ratio of diethylene glycol (DEG) are 3:1:0.4:0.6.
The preparation method of the tempered glass of automobile of the present embodiment crown glass ink, comprising the following steps:
1) it prepares varnish: after first mixing in proportion turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), being added
Polyvinyl butyral resin and ethyl cellulose, then be warming up to 85 DEG C, after stirring and dissolving, be cooled to room temperature and filter, it is spare；
2) it takes the lead-free glass powder with low melting point of formula ratio to mix and grind with inorganic pigment, powder is made；
3) powder obtained by step 1) is mixed with the auxiliary agent of formula ratio, varnish, pre- point is first stirred under 500rpm revolving speed
Dissipate into slurry, then be dispersed with stirring 40min under 1600rpm revolving speed, after fineness is ground on three-roll grinder no more than 10 μm,
To obtain the final product.
Embodiment 3
The automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, is grouped as by the group of following molar percentage:
SiO232.3%, B2O315.4%, Bi2O312.5%, ZnO23.15%, TiO24.3%, Al2O32.9%, Li2O2.5%,
Na2O2.3%, CaO2.3%, ZrO21.88%, Y2O30.47%.
The preparation method of the automobile glass printing ink lead-free glass powder with low melting point of the present embodiment, comprising the following steps:
A) chemical oxide or presoma (carbonate) material powder is taken to set after mixing by above-mentioned glass powder formula
It is put into high temperature furnace after in corundum crucible, is warming up to 1190 DEG C with the rate of 15 DEG C/min and keeping the temperature 120min keeps glass abundant
Melting obtains molten glass body, after melten glass is quickly poured into water quenching in deionized water, obtain glass dregs；
B) it is put into high temperature furnace after glass dregs obtained by step a) being replaced in corundum crucible, with the rate of 12 DEG C/min
After being warming up to 420 DEG C of heat preservation 35min, cools to room temperature with the furnace, obtain annealed glass slag；
C) annealed glass slag obtained by step b) is placed in planetary ball mill, uses corundum abrading-ball, using dehydrated alcohol as ball
Grinding media (volume ratio of ball, material and ethyl alcohol is 4:2:1), it is rear to take out in 80 DEG C of dryings to perseverance with the revolving speed ball milling 12h of 400rpm
Weight, cross 500 mesh screens to get.
The tempered glass of automobile of the present embodiment crown glass ink, consists of the following mass percentage components: unleaded
Glass powder with low melting point 61.0%, inorganic pigment 17.5%, varnish 20.5%, auxiliary agent 1.0%；
The varnish is formed by polyvinyl butyral resin, ethyl cellulose and solvent complex；The polyvinyl alcohol
Mass content of the butyral resin in varnish is 5.5%；Mass content of the ethyl cellulose in varnish be
3.5%；The solvent is the mixed solvent mixed by turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), turpentine oil, pine
Oleyl alcohol, diethylene glycol ether, the volume ratio of diethylene glycol (DEG) are 3:1:0.6:0.4.
The preparation method of the tempered glass of automobile of the present embodiment crown glass ink, comprising the following steps:
1) it prepares varnish: after first mixing in proportion turpentine oil, terpinol, diethylene glycol ether, diethylene glycol (DEG), being added
Polyvinyl butyral resin and ethyl cellulose, then be warming up to 85 DEG C, after stirring and dissolving, be cooled to room temperature and filter, it is spare；
2) it takes the lead-free glass powder with low melting point of formula ratio to mix and grind with inorganic pigment, powder is made；
3) powder obtained by step 1) is mixed with the auxiliary agent of formula ratio, varnish, pre- point is first stirred under 600rpm revolving speed
Dissipate into slurry, then be dispersed with stirring 35min under 1800rpm revolving speed, after fineness is ground on three-roll grinder no more than 10 μm,
To obtain the final product.
Experimental example 1
This experimental example detects the performance of automobile glass printing ink lead-free glass powder with low melting point obtained by embodiment 1-3,
The results are shown in Table 1.
The performance test results of lead-free glass powder with low melting point obtained by 1 embodiment 1-3 of table
| Detection project | Detection method | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Softening temperature, DEG C | Automatic heating mechanical analyzer | 527 | 530 | 529 |
| Thermal expansion coefficient, 10-6℃-1 | Automatic heating mechanical analyzer | 8.60 | 8.62 | 8.59 |
As it can be seen from table 1 the softening temperature of automobile glass printing ink lead-free glass powder with low melting point obtained by embodiment 1-3 exists
529 DEG C or so (527 DEG C~530 DEG C), slightly below the final decomposition temperature of polyvinyl butyral resin used in varnish is (about
540 DEG C), in the sintering of tempered glass of automobile ink, glass powder with low melting point first starts melt-flow, penetrates into and just starts to soften
Glass substrate in, be bonded together with glass substrate, then polyvinyl butyral resin just decomposes completely, to avoid oil
Ink film layer powder of detached, the adhesive force of enhancing ink film layer on the glass substrate.Automobile glass printing ink nothing obtained by embodiment 1-3
The thermal expansion coefficient of lead glass powder with low melting point is 8.60 × 10-6℃-1Left and right, the slightly below thermal expansion coefficient 9.0 of glass substrate ×
10-6℃-1, in the sintering of tempered glass of automobile ink, ink is caused auto Deformation and substrate to shrink tax by contraction itself
The compression given and the compression that generates is small, no more than the compressive resistance limit of ink layer, not will cause ink film layer cracking,
Ink film layer can preferably tile and adhere on the glass substrate, and the binding force of the two is strong, and film surface is complete and intensity is high.Experiment knot
Fruit shows the performance of gained automobile glass printing ink lead-free glass powder with low melting point of the invention and the sintering of tempered glass of automobile ink
Technique matches, and meets the requirement of tempered glass of automobile ink.
Experimental example 2
This experimental example detects tempered glass of automobile obtained by embodiment 1-3 with the performance of crown glass ink.Experiment
The actual use process of content simulation crown glass ink: by crown glass ink by being screen printed onto bright and clean tempered glass
On piece (glass substrate), after being placed in 150 DEG C of oven drying 5min, after being cooled to room temperature, then it is placed in high temperature furnace and is warming up to 670 DEG C
It is sintered 1.5min, rear take out carries out performance detection.The results are shown in Table 2.
Wherein, resistance to bond detection method are as follows: after taking out sintered ink print, put glass immediately in ink glaze
Fiber mould cloth simultaneously puts 2kg weight on mould cloth, keeps 5s, removes weight and Mo Bu, and whether observation ink glaze has mould cloth trace,
No trace then indicates that resistance to bond is up to standard.
Storage characteristics detection method is: glass ink being placed at room temperature until there is the time of pigment sedimentation.
Acid resistance detection method is: being 0.1mol/L by the concentration that the ink print being cooled to room temperature after sintering is placed in 80 DEG C
Sulfuric acid solution in impregnate 300h, test its mass loss rate.
Alkali resistance detection method is: the ink print being cooled to room temperature after sintering is placed in 0.5% NaOH solution often
Temperature impregnates 300h, tests its mass loss rate.
The performance test results of tempered glass of automobile crown glass ink obtained by 2 embodiment 1-3 of table
Note: film surface completely refer to ink film surface without curling, crack-free, without cavity etc..
From table 2 it can be seen that tempered glass of automobile obtained by embodiment 1-3 is 28300- with the viscosity of crown glass ink
Between 28560, modest viscosity；Deployed crown glass ink is placed at room temperature, existing without pigment sedimentation, layering within 120d
As storability is good.From the point of view of service performance, by finding after silk-screen printing, 660 DEG C of sintering 1.5min, printing effect is good,
Printed edge is without diffusion phenomena；Film surface is complete, black is glossy, and resistance to bond is up to standard；In acid and alkali-resistance experiment, ink sample passes through
The acid solution of 300h, dipping by lye, mass loss rate is respectively 1.44%, 0.38% hereinafter, mass loss is few.Experimental result table
Bright, present invention gained crown glass ink has good storage stability, printing, resistance to bond, resistance to acid and alkali and shielding, fits
Tempered glass of automobile is closed to use.
Claims (9)
1. a kind of tempered glass of automobile crown glass ink, it is characterised in that: consist of the following mass percentage components: nothing
Lead glass powder with low melting point 60.0%-62.0%, inorganic pigment 17.0%-18.0%, varnish 20.0%-21.0%, auxiliary agent
0.8%-1.2%；
The lead-free glass powder with low melting point is grouped as by the group of following molar percentage: SiO232.0%-32.6%,
B2O315.1%-15.7%, Bi2O312.2%-12.8%, ZnO 22.8%-23.4%, TiO24.0%-4.6%, Al2O3
2.6%-3.2%, Li2O 2.2%-2.8%, Na2O 2.2%-2.4%, CaO 2.0%-2.6%, ZrO21.8%-
2.0%, Y2O30.45%-0.50%.
2. tempered glass of automobile according to claim 1 crown glass ink, it is characterised in that: the varnish is by gathering
Vinyl butyral resin, ethyl cellulose and solvent complex form.
3. tempered glass of automobile according to claim 2 crown glass ink, it is characterised in that: the polyvinyl alcohol contracting
Mass content of the butyral resin in varnish is 5.0%-6.0%.
4. tempered glass of automobile according to claim 2 crown glass ink, it is characterised in that: the ethyl cellulose
Mass content in varnish is 3.0%-4.0%.
5. tempered glass of automobile according to claim 2 crown glass ink, it is characterised in that: the solvent is by pine
The mixed solvent that fuel-economizing, terpinol, diethylene glycol ether, diethylene glycol (DEG) mix.
6. tempered glass of automobile according to claim 5 crown glass ink, it is characterised in that: the mixed solvent
In, turpentine oil, terpinol, diethylene glycol ether, the volume ratio of diethylene glycol (DEG) are 3:1:(0.4-0.6): (0.4-0.6).
7. tempered glass of automobile according to claim 1 crown glass ink, it is characterised in that: the auxiliary agent includes point
Powder, substrate wetting agents, levelling agent and thixotropic agent.
8. a kind of preparation method of such as tempered glass of automobile of any of claims 1-7 crown glass ink,
It is characterized in that: the following steps are included:
1) it takes the lead-free glass powder with low melting point of formula ratio to mix and grind with inorganic pigment, powder is made；
2) powder obtained by step 1) is mixed with the auxiliary agent of formula ratio, varnish, pre- point is first stirred under 500-600rpm revolving speed
Dissipate into slurry, then be dispersed with stirring 30-40min under 1500-2000rpm revolving speed, rear grinding to get.
9. the tempered glass of automobile according to claim 8 preparation method of crown glass ink, it is characterised in that: step
2) in, the grinding refers to is ground to fineness no more than 10 μm on three-roll grinder.
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| CN111333335A (en) * | 2020-03-04 | 2020-06-26 | 东莞市圣龙特电子科技有限公司 | High-acid-resistance automobile glass printing ink and preparation method thereof |
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| CN112708292A (en) * | 2020-12-24 | 2021-04-27 | 黄山市晶特美新材料有限公司 | Preparation method and application of low-expansion-coefficient glass slurry |
| CN112708292B (en) * | 2020-12-24 | 2021-12-14 | 黄山市晶特美新材料有限公司 | Preparation method and application of low-expansion-coefficient glass slurry |
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| CN113174151B (en) * | 2021-05-07 | 2022-06-03 | 珠海市力众实业有限公司 | Slurry and preparation method and application thereof |
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| CN115466541A (en) * | 2022-08-03 | 2022-12-13 | 佛山市兴洲玻璃科技有限公司 | Method for cutting tempered ink glass in different places |
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