CN109704548A - A kind of preparation method of heat-bending glass - Google Patents
A kind of preparation method of heat-bending glass Download PDFInfo
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- CN109704548A CN109704548A CN201910078882.6A CN201910078882A CN109704548A CN 109704548 A CN109704548 A CN 109704548A CN 201910078882 A CN201910078882 A CN 201910078882A CN 109704548 A CN109704548 A CN 109704548A
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- 239000011521 glass Substances 0.000 title claims abstract description 167
- 238000005452 bending Methods 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 49
- 239000005357 flat glass Substances 0.000 claims abstract description 99
- 239000000843 powder Substances 0.000 claims abstract description 34
- 150000003839 salts Chemical class 0.000 claims abstract description 30
- 238000000498 ball milling Methods 0.000 claims abstract description 26
- 238000013003 hot bending Methods 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 24
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 239000004927 clay Substances 0.000 claims abstract description 7
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052850 kyanite Inorganic materials 0.000 claims abstract description 6
- 239000010443 kyanite Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- 239000012065 filter cake Substances 0.000 claims description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- 239000000047 product Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 229910052593 corundum Inorganic materials 0.000 claims description 12
- 239000010431 corundum Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 9
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 9
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 9
- 239000001103 potassium chloride Substances 0.000 claims description 9
- 235000011164 potassium chloride Nutrition 0.000 claims description 9
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 9
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 9
- 239000004317 sodium nitrate Substances 0.000 claims description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 6
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 150000002085 enols Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 5
- -1 mine tailing Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011049 filling Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000005816 glass manufacturing process Methods 0.000 abstract description 2
- 238000005470 impregnation Methods 0.000 abstract description 2
- 230000008719 thickening Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 239000012071 phase Substances 0.000 description 7
- 229940068984 polyvinyl alcohol Drugs 0.000 description 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- NQNBVCBUOCNRFZ-UHFFFAOYSA-N nickel ferrite Chemical compound [Ni]=O.O=[Fe]O[Fe]=O NQNBVCBUOCNRFZ-UHFFFAOYSA-N 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Glass Compositions (AREA)
Abstract
The invention belongs to glass making techniques fields, and in particular to a kind of preparation method of heat-bending glass.The present invention is by glass powder, mine tailing, fat clay, the raw materials ball milling such as kyanite obtains glass paste, with hydrophobic protection sol impregnation after finally three kinds of sheet glass are merged, polishing treatment obtains heat-bending glass after hot bending, mixed metal salt has thickening effect to melten glass liquid in the present invention, melten glass fluid viscosity can be improved, obtain the sheet glass of different densities, sheet glass is impregnated in hydrophobic protection colloidal sol, on the one hand it is worked as a buffer when being pressurized bending, on the other hand heat-bending glass is made to be not easy to adsorb dust, it prevents from generating point in hot bending treatment process, during high heat burnout, metal phase in heat-bending glass is mutually penetrated with glass phase to be uniformly dispersed, it is not likely to produce crackle, whisker cooperates fat clay to form plasticity filling skeleton, to improve heat-bending glass cracking resistance and compressive property, it has a extensive future.
Description
Technical field
The invention belongs to glass making techniques fields, and in particular to a kind of preparation method of heat-bending glass.
Background technique
In recent years, with the increasingly raising of the progress of industrial level and living standards of the people, to the appearance and performance of glass
Requirement it is also higher and higher.Heat-bending glass is the quality requirements in order to meet modern architecture, heats curved softening by high-quality glass,
It forms in a mold, then annealed manufactured bend glass.Heat-bending glass pattern is beautiful, and the lines flow smoothly, it breaches plate glass
The unicity of glass is mainly used for internal and external ornament, the lighting roof, sightseeing elevator, arch corridor of building using upper more flexible multiplicity
Deng with the expansion in construction and decoration market, heat-bending glass market seems abnormal flourishing.
Following a few procedures are mainly passed through in the production of heat-bending glass: the hot bending of glass closes piece, vacuum preheating precompressed, high temperature
The technical process such as high pressure.Currently, the hot bending product of the domestic most enterprises that can produce heat-bending glass is primarily present following defect:
(1) the coarse point of appearance is more, this is because in the process flow of hot bending, glass synchronous pressure by mold in softening
Power will lead to dust fall and drop to surface of plate glass and generate point and impression when the cleanliness in hot bending equipment is inadequate；(2)
Current heat-bending glass is all made of preliminary hot bending and forms, and crooked radian is not achieved design requirement, anneals bad, bending place it is interior
Stress is big, and compression strength is low, is easy to appear micro-crack in bending place, and after being expanded with heat and contract with cold, be easy to cause stress collection
In, or even can rupture；(3) glass for being all made of colourless transparent glass or various colors is produced as substrate, can not be carried out
High temperature colored glaze decoration, decorative effect is poor and has nothing in one, and is limited use scope.
Therefore, preparing the heat-bending glass that a kind of intensity is high, can carry out high temperature colored glaze decoration has huge Environmental Effect
Benefit and social benefit.
Summary of the invention
Present invention mainly solves the technical issues of, the internal stress for heat-bending glass in bending place is big, and compression strength is low,
Bending place is easy to appear the defect of micro-crack, provides a kind of preparation method of heat-bending glass.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
The specific preparation step of heat-bending glass are as follows:
It is impregnated in 30~35min in hydrophobic protection colloidal sol after sheet glass 1,2,3 is merged by serial number arrangement, is put into hot bending after taking-up
In furnace, 300~350 DEG C, 20~25min of preheating and baking are heated to the heating rate of 3~5 DEG C/min, continues heating and rises
Temperature keeps the temperature 1~2h of hot bending to 700~750 DEG C, and it is 0.03 that surface roughness Ra is polished to it with polishing machine after being cooled to room temperature
~0.05 μm, obtain heat-bending glass；
The specific preparation step of sheet glass 1, sheet glass 2, sheet glass 3 are as follows:
It (1) is in mass ratio that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and poly- second
Enol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and 8~10h of ball milling obtains ball milling slurry, then takes out ball milling
Slurry is put into baking oven, is heated to 60~65 DEG C, and dry 5~6h obtains mixed metal salt；
(2) mixed metal salt is put into corundum crucible, then corundum crucible is moved into resistance furnace, be powered heating, keeps the temperature 6~7h
Afterwards, program cools down, and after being cooled to room temperature, obtains fused salt product, is washed fused salt product 3~4 times with 40~50 DEG C of deionized water,
It is subsequently placed into the baking oven that set temperature is 90~100 DEG C, obtains glass powder after dry 4~5h；
(3) it takes high alumina sections tailing to be placed in 3~4h of crushing in pulverizer, iron tailings slag is obtained, with deionized water to iron tailings slag
Eluriated, discard bulk impurity with woven wire filter, obtain tailing suspension, by tailing suspension be put into Buchner funnel into
It is capable to filter, filter cake is obtained, filter cake is put into baking oven, is heated to 100~110 DEG C, after drying 3~4h, filter cake is placed in
After grinding 3~4h in mortar, crosses 80 meshes and obtain mine tailing；
(4) according to parts by weight, by 20~25 parts of glass powders, 70~80 parts of mine tailings, 10~15 parts of fat clays, 30~40
Part kyanite is placed in ball mill, the polyvinyl alcohol water solution that 80~90 parts of mass fractions are 20% is poured into ball mill, with 700
Revolving speed 6~7h of ball milling of~800r/min, obtains glass paste；
(5) ceria and sodium nitrate are mixed to get glass adjusting adhesive, glass is added with different additive amounts in glass adjusting adhesive
It in glass slurry, then pours into glass mold respectively, is preheated to 80~90 DEG C, dry 20~for 24 hours, glass powder with low melting point is obtained,
Glass powder with low melting point is put into mold, then mold is moved into hydraulic press, 3~5MPa of oil pressure pressure is set, is heated to
150~170 DEG C, compression moulding obtains sheet glass 1, sheet glass 2, sheet glass 3.
The specific preparation step of hydrophobic protection colloidal sol are as follows:
By mass fraction be 20% nano titanic oxide sol and octyl trimethoxy silane be in mass ratio that 4 ︰ 1 are mixed, heating
To 40~50 DEG C, 3~4h is kept the temperature, hydrophobic protection colloidal sol is obtained.
Interior curved layer when sheet glass 1 is as hot bending during the reason of heat preservation hot crook.
Sheet glass 1, sheet glass 2, sheet glass 3 specific preparation step (1) in nickel oxide, potassium oxide, potassium chloride mix matter
For amount than being 1 ︰, 1 ︰ 4, mix is that 1 ︰ 10 is mixed by solid-to-liquid ratio with polyvinyl alcohol.
Temperature is 1200~1300 after the middle energization of specific preparation step (2) of sheet glass 1, sheet glass 2, sheet glass 3 heats up
DEG C, rate of temperature fall is 0.5~1.0 DEG C/min.
Sheet glass 1, sheet glass 2, sheet glass 3 specific preparation step (3) in can add in mine tailing mine tailing quality 2~
3% schmigel is to improve aluminium content.
Sheet glass 1, sheet glass 2, sheet glass 3 specific preparation step (4) in glass paste raw material, in parts by weight
Meter, including 20~25 parts of glass powder, 70~80 parts of mine tailing, 10~15 parts of fat clay, 30~40 parts of kyanite, quality point
Number is 80~90 parts of polyvinyl alcohol water solution of 20%.
Sheet glass 1, sheet glass 2, sheet glass 3 specific preparation step (5) in ceria and sodium nitrate mixing mass ratio
For 4 ︰ 1, wherein glass adjusting adhesive additive amount is 1.4~1.6%, 1.8~2.0%, the 2.2~2.4% of glass paste quality, corresponding
Gained sheet glass 1, sheet glass 2, sheet glass 3.
The beneficial effects of the present invention are:
(1) nickel oxide, potassium oxide, potassium chloride are mixed to get mix by certain mass ratio by the present invention, dry by ball milling
After be put into resistance furnace glass powder be prepared by molten-salt growth method, using high alumina sections tailing as raw material, obtain iron tailings after crushing
Slag after being eluriated with deionized water, obtains tailing suspension, by filtering, obtaining mine tailing after drying and grinding, by glass powder, tail
The raw materials ball milling such as miberal powder, fat clay, kyanite obtains glass paste, and ceria and sodium nitrate are added into glass paste
The glass adjusting adhesive of mixed preparing prepares three kinds of sheet glass by adjusting glass adjusting adhesive, finally merges three kinds of sheet glass
Afterwards with hydrophobic protection sol impregnation, then polishing treatment obtains heat-bending glass, mixed metal salt in glass paste of the present invention after hot bending
There is thickening effect to melten glass liquid, melten glass fluid viscosity can be improved, melten glass liquid is viscous in Bubble Formation Process
Degree, which increases, can prevent steep that wall rupture from generating bigger bubble, form homogeneous sheet glass, and adjust by glass adjusting adhesive
Glass viscosity obtains the sheet glass of different densities, and heat-bending glass of the invention is that the sheet glass hot bending of three layers of different densities forms,
It is the smallest as interior curved layer using consistency, the internal stress of interior curved bending part can in this way minimized, obtained hot bending
Glass is more stable, is not easily broken；
(2) sheet glass is impregnated in hydrophobic protection colloidal sol by the present invention, and on the one hand hydrophobic protection colloidal sol can be filled in heat-bending glass
Stomata in, heat-bending glass be pressurized bend when work as a buffer, titanium dioxide cover glue be surface reactive material, surface can be made
Tension, which reduces, generates relatively thin steep that wall, and thin thin steep that wall makes heat-bending glass have certain bend resistance ability, on the other hand modified
The hydrosol, which overflows, can form hydrophobic layer on the surface of heat-bending glass, and the interface of low-surface-energy can make heat-bending glass be not easy absorption ash
Dirt prevents from generating point in hot bending treatment process, during high heat burnout, glass framework shrinkage, and the metal phase in sheet glass
It can occur flowing transport and filling glass matrix porosity, make metal phase when liquid-phase sintering that there is apparent reticular structure, iron tailings
In powder the metallic elements such as aluminium, magnesium, copper can it is spontaneous it is molten be seeped into nickel ferrite based magnetic loaded, obtain the fine and close glass with inierpeneirating network structure,
There is oxidative phenomena in active element nickel, iron in metal phase, reaction is gradually decomposed after generating nickel ferrite based magnetic loaded during the sintering process, so that
Metal phase in heat-bending glass is mutually penetrated with glass phase to be uniformly dispersed, so that the heat-bending glass load that is under pressure be made to crack
When, the reticular structure of metal phase can make crackle generate bifurcated, and crackle diffusion-induced stress increases, and crackle is difficult to develop to a direction,
It is not likely to produce crackle, and aquamaine mountain flour grows whisker after being sintered in the glass phase of heat-bending glass, whisker cooperates plasticity
Clay forms plasticity filling skeleton and has a extensive future to improve heat-bending glass cracking resistance and compressive property.
Specific embodiment
In mass ratio it is that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and gathers
Vinyl alcohol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and 8~10h of ball milling obtains ball milling slurry, then takes out ball
Defibrination material is put into baking oven, is heated to 60~65 DEG C, and dry 5~6h obtains mixed metal salt；Mixed metal salt is put into
In corundum crucible, then by corundum crucible immigration resistance furnace, energization is warming up to 1200~1300 DEG C, after keeping the temperature 6~7h, with 0.5
The rate program of~1.0 DEG C/min cools down, and after being cooled to room temperature, obtains fused salt product, is washed with 40~50 DEG C of deionized water
It fused salt product 3~4 times, is subsequently placed into the baking oven that set temperature is 90~100 DEG C, obtains glass powder after dry 4~5h；Take height
Aluminium profiles iron tailings is placed in 3~4h of crushing in pulverizer, obtains iron tailings slag, is eluriated with deionized water to iron tailings slag, uses
Woven wire filter discards bulk impurity, obtains tailing suspension, and tailing suspension is put into Buchner funnel and is filtered, is obtained
Filter cake is put into baking oven by filter cake, is heated to 100~110 DEG C, after drying 3~4h, filter cake is placed in mortar and grinds 3
After~4h, crosses 80 meshes and obtain mine tailing；According to parts by weight, by 20~25 parts of glass powders, 70~80 parts of mine tailings, 10~15
Part fat clay, 30~40 parts of kyanites are placed in ball mill, to ball mill pour into 80~90 parts of mass fractions be 20% it is poly-
Vinyl alcohol aqueous solution obtains glass paste with revolving speed 6~7h of ball milling of 700~800r/min；Ceria and sodium nitrate are pressed
Mass ratio is that 4 ︰ 1 are mixed to get glass adjusting adhesive, and glass adjusting adhesive is added in glass paste with different additive amounts, is then divided
It does not pour into glass mold, is preheated to 80~90 DEG C, dry 20~for 24 hours, glass powder with low melting point is obtained, glass powder with low melting point is put
Enter in mold, then mold is moved into hydraulic press, sets 3~5MPa of oil pressure pressure, be heated to 150~170 DEG C, be pressed into
Type, obtains sheet glass 1, sheet glass 2, sheet glass 3, the glass adjusting adhesive additive amount be glass paste quality 1.4~
1.6%, 1.8~2.0%, 2.2~2.4%, corresponding gained sheet glass 1, sheet glass 2, sheet glass 3；It is 20% to receive by mass fraction
Rice TiO 2 sol and octyl trimethoxy silane are 4 ︰ 1 mixing in mass ratio, are heated to 40~50 DEG C, keep the temperature 3~4h, obtain
To hydrophobic protection colloidal sol, be impregnated in after above-mentioned sheet glass 1,2,3 is merged by serial number arrangement 30 in hydrophobic protection colloidal sol~
35min is put into bending furnace after taking-up, is heated to 300~350 DEG C with the heating rate of 3~5 DEG C/min, preheating and baking
20~25min continues to be heated to 700~750 DEG C, keeps the temperature 1~2h of hot bending, interior curved when wherein sheet glass 1 is as hot bending
Layer, it is 0.03~0.05 μm that surface roughness Ra is polished to it with polishing machine after being cooled to room temperature, and obtains heat-bending glass.
Embodiment 1
The preparation of mixed metal salt:
It is in mass ratio that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and polyethylene
Alcohol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and ball milling 8h obtains ball milling slurry, then takes out ball milling slurry and puts
Enter in baking oven, be heated to 60 DEG C, dry 5h obtains mixed metal salt.
The preparation of glass powder:
Mixed metal salt is put into corundum crucible, then corundum crucible is moved into resistance furnace, energization is warming up to 1200 DEG C, heat preservation
After 6h, is cooled down with the rate program of 0.5 DEG C/min, after being cooled to room temperature, obtain fused salt product, washed with 40 DEG C of deionized water
It fused salt product 3 times, is subsequently placed into the baking oven that set temperature is 90 DEG C, obtains glass powder after dry 4h.
The preparation of mine tailing:
It takes high alumina sections tailing to be placed in pulverizer and crushes 3h, obtain iron tailings slag, iron tailings slag is washed in a pan with deionized water
It washes, discards bulk impurity with woven wire filter, obtain tailing suspension, tailing suspension is put into Buchner funnel and is taken out
Filter, obtains filter cake, filter cake is put into baking oven, is heated to 100 DEG C, after drying 3h, filter cake is placed in mortar and grinds 3h
Afterwards, 80 meshes are crossed and obtains mine tailing.
The preparation of glass paste:
According to parts by weight, 20 parts of glass powders, 70 parts of mine tailings, 10 parts of fat clays, 30 parts of kyanites are placed in ball mill
In, the polyvinyl alcohol water solution that 80 parts of mass fractions are 20%, which is poured into, to ball mill is obtained with the revolving speed ball milling 6h of 700r/min
Glass paste.
The preparation of sheet glass 1, sheet glass 2, sheet glass 3:
In mass ratio it is that 4 ︰ 1 are mixed to get glass adjusting adhesive by ceria and sodium nitrate, glass adjusting adhesive is added with different
Dosage is added in glass paste, then pours into glass mold respectively, is preheated to 80 DEG C, and dry 20h obtains low-melting glass
Glass powder with low melting point is put into mold by powder, then mold is moved into hydraulic press, is set oil pressure pressure 3MPa, is heated to
150 DEG C, compression moulding obtains sheet glass 1, sheet glass 2, sheet glass 3, and the glass adjusting adhesive additive amount is glass paste matter
1.4%, 1.8%, the 2.2% of amount, corresponding gained sheet glass 1, sheet glass 2, sheet glass 3.
The preparation of heat-bending glass:
By mass fraction be 20% nano titanic oxide sol and octyl trimethoxy silane be in mass ratio that 4 ︰ 1 are mixed, heating
To 40 DEG C, 3h is kept the temperature, hydrophobic protection colloidal sol is obtained, is impregnated in hydrophobic guarantor after above-mentioned sheet glass 1,2,3 is merged by serial number arrangement
30min in colloidal sol is protected, is put into bending furnace after taking-up, is heated to 300 DEG C with the heating rate of 3 DEG C/min, preheating and baking
20min continues to be heated to 700 DEG C, keeps the temperature hot bending 1h, and interior curved layer when wherein sheet glass 1 is as hot bending is cooled to room temperature
Being polished to surface roughness Ra to it with polishing machine afterwards is 0.03 μm, obtains heat-bending glass.
Embodiment 2
The preparation of mixed metal salt:
It is in mass ratio that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and polyethylene
Alcohol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and ball milling 9h obtains ball milling slurry, then takes out ball milling slurry and puts
Enter in baking oven, be heated to 63 DEG C, dry 5h obtains mixed metal salt.
The preparation of glass powder:
Mixed metal salt is put into corundum crucible, then corundum crucible is moved into resistance furnace, energization is warming up to 1250 DEG C, heat preservation
After 6h, is cooled down with the rate program of 0.7 DEG C/min, after being cooled to room temperature, obtain fused salt product, washed with 45 DEG C of deionized water
It fused salt product 3 times, is subsequently placed into the baking oven that set temperature is 95 DEG C, obtains glass powder after dry 4h.
The preparation of mine tailing:
It takes high alumina sections tailing to be placed in pulverizer and crushes 3h, obtain iron tailings slag, iron tailings slag is washed in a pan with deionized water
It washes, discards bulk impurity with woven wire filter, obtain tailing suspension, tailing suspension is put into Buchner funnel and is taken out
Filter, obtains filter cake, filter cake is put into baking oven, is heated to 105 DEG C, after drying 3h, filter cake is placed in mortar and grinds 3h
Afterwards, 80 meshes are crossed and obtains mine tailing.
The preparation of glass paste:
According to parts by weight, 23 parts of glass powders, 75 parts of mine tailings, 13 parts of fat clays, 35 parts of kyanites are placed in ball mill
In, the polyvinyl alcohol water solution that 85 parts of mass fractions are 20%, which is poured into, to ball mill is obtained with the revolving speed ball milling 6h of 750r/min
Glass paste.
The preparation of sheet glass 1, sheet glass 2, sheet glass 3:
In mass ratio it is that 4 ︰ 1 are mixed to get glass adjusting adhesive by ceria and sodium nitrate, glass adjusting adhesive is added with different
Dosage is added in glass paste, then pours into glass mold respectively, is preheated to 85 DEG C, and dry 22h obtains low-melting glass
Glass powder with low melting point is put into mold by powder, then mold is moved into hydraulic press, is set oil pressure pressure 4MPa, is heated to
160 DEG C, compression moulding obtains sheet glass 1, sheet glass 2, sheet glass 3, and the glass adjusting adhesive additive amount is glass paste matter
1.5%, 1.9%, the 2.3% of amount, corresponding gained sheet glass 1, sheet glass 2, sheet glass 3.
The preparation of heat-bending glass:
By mass fraction be 20% nano titanic oxide sol and octyl trimethoxy silane be in mass ratio that 4 ︰ 1 are mixed, heating
To 45 DEG C, 3h is kept the temperature, hydrophobic protection colloidal sol is obtained, is impregnated in hydrophobic guarantor after above-mentioned sheet glass 1,2,3 is merged by serial number arrangement
33min in colloidal sol is protected, is put into bending furnace after taking-up, is heated to 325 DEG C with the heating rate of 4 DEG C/min, preheating and baking
23min continues to be heated to 725 DEG C, keeps the temperature hot bending 1h, and interior curved layer when wherein sheet glass 1 is as hot bending is cooled to room temperature
Being polished to surface roughness Ra to it with polishing machine afterwards is 0.04 μm, obtains heat-bending glass.
Embodiment 3
The preparation of mixed metal salt:
It is in mass ratio that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and polyethylene
Alcohol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and ball milling 10h obtains ball milling slurry, then takes out ball milling slurry
It is put into baking oven, is heated to 65 DEG C, dry 6h obtains mixed metal salt.
The preparation of glass powder:
Mixed metal salt is put into corundum crucible, then corundum crucible is moved into resistance furnace, energization is warming up to 1300 DEG C, heat preservation
After 7h, is cooled down with the rate program of 1.0 DEG C/min, after being cooled to room temperature, obtain fused salt product, washed with 50 DEG C of deionized water
It fused salt product 4 times, is subsequently placed into the baking oven that set temperature is 100 DEG C, obtains glass powder after dry 5h.
The preparation of mine tailing:
It takes high alumina sections tailing to be placed in pulverizer and crushes 4h, obtain iron tailings slag, iron tailings slag is washed in a pan with deionized water
It washes, discards bulk impurity with woven wire filter, obtain tailing suspension, tailing suspension is put into Buchner funnel and is taken out
Filter, obtains filter cake, filter cake is put into baking oven, is heated to 110 DEG C, after drying 4h, filter cake is placed in mortar and grinds 4h
Afterwards, 80 meshes are crossed and obtains mine tailing.
The preparation of glass paste:
According to parts by weight, 25 parts of glass powders, 80 parts of mine tailings, 15 parts of fat clays, 40 parts of kyanites are placed in ball mill
In, the polyvinyl alcohol water solution that 90 parts of mass fractions are 20%, which is poured into, to ball mill is obtained with the revolving speed ball milling 7h of 800r/min
Glass paste.
1, the preparation of sheet glass 2, sheet glass 3:
In mass ratio it is that 4 ︰ 1 are mixed to get glass adjusting adhesive by ceria and sodium nitrate, glass adjusting adhesive is added with different
Dosage is added in glass paste, then pours into glass mold respectively, is preheated to 90 DEG C, drying for 24 hours, obtains low-melting glass
Glass powder with low melting point is put into mold by powder, then mold is moved into hydraulic press, is set oil pressure pressure 5MPa, is heated to
170 DEG C, compression moulding obtains sheet glass 1, sheet glass 2, sheet glass 3, and the glass adjusting adhesive additive amount is glass paste matter
1.6%, 2.0%, the 2.4% of amount, corresponding gained sheet glass 1, sheet glass 2, sheet glass 3.
The preparation of heat-bending glass:
By mass fraction be 20% nano titanic oxide sol and octyl trimethoxy silane be in mass ratio that 4 ︰ 1 are mixed, heating
To 50 DEG C, 4h is kept the temperature, hydrophobic protection colloidal sol is obtained, is impregnated in hydrophobic guarantor after above-mentioned sheet glass 1,2,3 is merged by serial number arrangement
35min in colloidal sol is protected, is put into bending furnace after taking-up, is heated to 350 DEG C with the heating rate of 5 DEG C/min, preheating and baking
25min continues to be heated to 750 DEG C, keeps the temperature hot bending 2h, and interior curved layer when wherein sheet glass 1 is as hot bending is cooled to room temperature
Being polished to surface roughness Ra to it with polishing machine afterwards is 0.05 μm, obtains heat-bending glass.
Comparative example 1: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that mixed metal salt is not added.
Comparative example 2: it is essentially identical with the preparation method of embodiment 2, it has only the difference is that mine tailing is not added.
Comparative example 3: the heat-bending glass of company, Shenzhen production.
Heat-bending glass in heat-bending glass produced by the present invention and comparative example is detected, testing result is as shown in table 1:
Testing standard
Detection is sampled by requirement described in existing professional standard JC/T915-2003 and method.
Stress test
Stress test is carried out to sample by surface stress instrument, allows light to propagate along glass surface, is measured according to photoelastic technique
The stress and stress layer depth on its surface, each sample take five or more test points.
Light transmittance test
Transmission measurement is carried out to sample using spectrophotometer, test wavelength range is 380nm~1100nm.
It is bent depth test
Test bending depth is scanned to sample using three-D scanning.
Surface colored glaze wearability test
It is detected using abrasion instrument.
1 performance measurement result of table
From the data in table 1, it can be seen that heat-bending glass produced by the present invention, compression strength is high, and bending place is not easy micro-crack occur, can
It is subjected to the test such as wearability, resistance to acid and alkali, service life is longer, and safety with higher and fastness can be widely applied to
The fields such as building glass window or glass curtain wall have wide prospect of the application.
Claims (8)
1. a kind of preparation method of heat-bending glass, it is characterised in that specific preparation step are as follows:
It is impregnated in 30~35min in hydrophobic protection colloidal sol after sheet glass 1,2,3 is merged by serial number arrangement, is put into hot bending after taking-up
In furnace, 300~350 DEG C, 20~25min of preheating and baking are heated to the heating rate of 3~5 DEG C/min, continues heating and rises
Temperature keeps the temperature 1~2h of hot bending to 700~750 DEG C, and it is 0.03 that surface roughness Ra is polished to it with polishing machine after being cooled to room temperature
~0.05 μm, obtain heat-bending glass；
The specific preparation step of the sheet glass 1, sheet glass 2, sheet glass 3 are as follows:
It (1) is in mass ratio that 1 ︰, 1 ︰ 4 is mixed to get mix by nickel oxide, potassium oxide, potassium chloride, by mix and poly- second
Enol is that 1 ︰ 10 mixing is placed in zirconia ball grinding jar by solid-to-liquid ratio, and 8~10h of ball milling obtains ball milling slurry, then takes out ball milling
Slurry is put into baking oven, is heated to 60~65 DEG C, and dry 5~6h obtains mixed metal salt；
(2) mixed metal salt is put into corundum crucible, then corundum crucible is moved into resistance furnace, be powered heating, keeps the temperature 6~7h
Afterwards, program cools down, and after being cooled to room temperature, obtains fused salt product, is washed fused salt product 3~4 times with 40~50 DEG C of deionized water,
It is subsequently placed into the baking oven that set temperature is 90~100 DEG C, obtains glass powder after dry 4~5h；
(3) it takes high alumina sections tailing to be placed in 3~4h of crushing in pulverizer, iron tailings slag is obtained, with deionized water to iron tailings slag
Eluriated, discard bulk impurity with woven wire filter, obtain tailing suspension, by tailing suspension be put into Buchner funnel into
It is capable to filter, filter cake is obtained, filter cake is put into baking oven, is heated to 100~110 DEG C, after drying 3~4h, filter cake is placed in
After grinding 3~4h in mortar, crosses 80 meshes and obtain mine tailing；
(4) according to parts by weight, by 20~25 parts of glass powders, 70~80 parts of mine tailings, 10~15 parts of fat clays, 30~40
Part kyanite is placed in ball mill, the polyvinyl alcohol water solution that 80~90 parts of mass fractions are 20% is poured into ball mill, with 700
Revolving speed 6~7h of ball milling of~800r/min, obtains glass paste；
(5) ceria and sodium nitrate are mixed to get glass adjusting adhesive, glass is added with different additive amounts in glass adjusting adhesive
It in glass slurry, then pours into glass mold respectively, is preheated to 80~90 DEG C, dry 20~for 24 hours, glass powder with low melting point is obtained,
Glass powder with low melting point is put into mold, then mold is moved into hydraulic press, 3~5MPa of oil pressure pressure is set, is heated to
150~170 DEG C, compression moulding obtains sheet glass 1, sheet glass 2, sheet glass 3.
2. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the hydrophobic protection colloidal sol
Specific preparation step are as follows:
By mass fraction be 20% nano titanic oxide sol and octyl trimethoxy silane be in mass ratio that 4 ︰ 1 are mixed, heating
To 40~50 DEG C, 3~4h is kept the temperature, hydrophobic protection colloidal sol is obtained.
3. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: during the reason of heat preservation hot crook
Interior curved layer when sheet glass 1 is as hot bending.
4. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the sheet glass 1, glass
Piece 2, sheet glass 3 specific preparation step (1) in nickel oxide, potassium oxide, potassium chloride mixing mass ratio be 1 ︰, 1 ︰ 4, mix
It is mixed with polyvinyl alcohol by solid-to-liquid ratio for 1 ︰ 10.
5. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the sheet glass 1, glass
Temperature is 1200~1300 DEG C after the middle energization of specific preparation step (2) of piece 2, sheet glass 3 heats up, and rate of temperature fall is 0.5~1.0
℃/min。
6. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the sheet glass 1, glass
Piece 2, sheet glass 3 specific preparation step (3) described in can add the schmigel of mine tailing quality 2~3% to mention in mine tailing
High aluminium content.
7. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the sheet glass 1, glass
Piece 2, sheet glass 3 specific preparation step (4) in glass paste raw material, according to parts by weight, including 20~25 parts of glass powder,
70~80 parts of mine tailing, 10~15 parts of fat clay, 30~40 parts of kyanite, mass fraction are water-soluble for 20% polyvinyl alcohol
80~90 parts of liquid.
8. a kind of preparation method of heat-bending glass according to claim 1, it is characterised in that: the sheet glass 1, glass
Piece 2, sheet glass 3 specific preparation step (5) in ceria and sodium nitrate mixing mass ratio be 4 ︰ 1, wherein glass adjusting adhesive
Additive amount is 1.4~1.6%, 1.8~2.0%, the 2.2~2.4% of glass paste quality, corresponding gained sheet glass 1, sheet glass 2,
Sheet glass 3.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115975407A (en) * | 2022-12-23 | 2023-04-18 | 西安交通大学 | Nickel-based alloy surface photoelastic glass coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115975407A (en) * | 2022-12-23 | 2023-04-18 | 西安交通大学 | Nickel-based alloy surface photoelastic glass coating and preparation method thereof |
| CN115975407B (en) * | 2022-12-23 | 2023-12-19 | 西安交通大学 | Nickel-based alloy surface photoelastic glass coating and preparation method thereof |
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Application publication date: 20190503 |