CN105293911B - The method and low-melting-point glass of low-melting-point glass are founded with micro-wave oven - Google Patents
The method and low-melting-point glass of low-melting-point glass are founded with micro-wave oven Download PDFInfo
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- CN105293911B CN105293911B CN201510676281.7A CN201510676281A CN105293911B CN 105293911 B CN105293911 B CN 105293911B CN 201510676281 A CN201510676281 A CN 201510676281A CN 105293911 B CN105293911 B CN 105293911B
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- 239000011521 glass Substances 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000004927 fusion Effects 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000010791 quenching Methods 0.000 claims abstract description 6
- 230000000171 quenching effect Effects 0.000 claims abstract description 6
- 229910052571 earthenware Inorganic materials 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 27
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 20
- 239000011787 zinc oxide Substances 0.000 claims description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 7
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 5
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical group [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 5
- 229910001887 tin oxide Inorganic materials 0.000 claims description 5
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 4
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 4
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 4
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract description 11
- 230000008018 melting Effects 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000000155 melt Substances 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 5
- PHXNQAYVSHPINV-UHFFFAOYSA-N P.OB(O)O Chemical compound P.OB(O)O PHXNQAYVSHPINV-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 12
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical group [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical group [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052788 barium Inorganic materials 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 239000006066 glass batch Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013003 hot bending Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- -1 timber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- CZCSLHYZEQSUNV-UHFFFAOYSA-N [Na].OB(O)O Chemical compound [Na].OB(O)O CZCSLHYZEQSUNV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- QNEFNFIKZWUAEQ-UHFFFAOYSA-N carbonic acid;potassium Chemical compound [K].OC(O)=O QNEFNFIKZWUAEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WKMKTIVRRLOHAJ-UHFFFAOYSA-N oxygen(2-);thallium(1+) Chemical compound [O-2].[Tl+].[Tl+] WKMKTIVRRLOHAJ-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002336 repolarization Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005394 sealing glass Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 229910003438 thallium oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Abstract
The present invention discloses a kind of manufacture method that low-melting-point glass is founded with micro-wave oven.Low-melting-point glass refers to fusion temperature glass below 900 DEG C, including glass glaze, sealing-in (welding) glass and glass lubricant etc., such glass primary chemical composition is borate, phosphorus borate system, the method of conventionally employed oil burner or furnace melting, fusing time is long, and energy resource consumption is high.The present invention melts the batch of mentioned component low-melting-point glass using frequency 915mHz~60GHz, 0.8~50kW of power industrial or civilian micro-wave oven, by well mixed dispensing, it is placed in high alumina earthenware Crucible, it is placed in micro-wave oven focal spot, reach that fusing time is switched off power supply, open fire door, the glass metal melted is poured out, after quenching is crushed, as product.The microwave fusing low temperature glass of the present invention is characterized in that firing rate is fast, and homogeneous heating, thermal loss is small, easy to operate, compared with furnace melting, it is possible to decrease 3~7 times of energy expenditure.
Description
Technical field
The present invention relates to the method that low-melting-point glass is founded with micro-wave oven, low-melting-point glass refers to glass lubricant, glass in this invention
Glass glaze and sealing-in (welding) glass, belong to glassmaking art.
Background technology
Low-melting-point glass refers to glass of the fusion temperature below 900 DEG C, including glass glaze, sealing-in (welding) glass and glass
Lubricant.It is respectively applied to the industries such as daily utensil, construction material, photoelectron material and metal hot-working.Due to low-melting-point glass
Fusion temperature is low, using common high temp glass kiln such as oil burner or furnace melting method, and fusing time is long, Unit Weight glass
Power consumption is big, seriously polluted.
Microwave stove heat is the interphase interaction with material using electromagnetic field, microwave energy is changed into heat energy, with heating
Speed is fast, and homogeneous heating, thermal loss is small, easy to operate, and sanitation and hygiene are pollution-free, is widely used to leather, papermaking, food
In terms of sterilizing, drying, be heat-treated in terms of product, chemical industry, ceramics, timber, resin, pharmacy, medical treatment, health.
The content of the invention
In order to solve the above problems, the characteristics of specific aim low-melting-point glass of the present invention melts, by the microwave technology of efficient energy-saving
For founding for low-melting-point glass glaze, sealing-in (welding) glass and glass lubricant, the method has firing rate fast, fusing time
Short, thermal loss is low, uniformity of temperature profile, device are compact simple, no thermal inertia, and can instantaneously be heated up cooling, and energy resource consumption is dropped
It is low 3~7 times.
The present invention is realized using following technical scheme.
A kind of preparation method of low-melting-point glass, the fusion temperature of the low-melting-point glass is less than 850 DEG C, using microwave fusing system
The raw material of standby low temperature glass.
Further, in the above-mentioned technical solutions, the frequency of the microwave is 915MHz~60GHz, such a high-frequency alternating
Magnetic field causes free electron or bound electron inside frit, such as dipole, ion and electron back repolarization and strenuous exercise,
Collision, friction and in-fighting are produced between molecule, microwave energy is changed into heat energy, belongs to uniform in heating, system inside material
Heating, programming rate is exceedingly fast, and the thermal efficiency is very high.
Further, in the above-mentioned technical solutions, using industrial or civilian micro-wave oven, microwave power be 0.8KW~
50KW, can be adjusted the power of micro-wave oven according to the weight of batch.
Further, in the above-mentioned technical solutions, the raw material for preparing low-melting-point glass is well mixed, is placed on high alumina earthenware Crucible
It is interior, micro-wave oven focal spot is placed in, fire door is closed, power and heat time by setting, electrified regulation reach fusing time just
Cut off the electricity supply, open fire door, taking-up earthenware Crucible pours out the glass metal melted, after quenching is crushed, as product.
Further, in the above-mentioned technical solutions, 15~60min of fusing time, is compared with furnace melting, fusing time contracting
Short by 35%~68%, energy resource consumption reduces by 3~7 times.
Further, in the above-mentioned technical solutions, the high alumina earthenware Crucible is corundum crucible.
Further, in the above-mentioned technical solutions, the low-melting-point glass is glass glaze, and raw materials by weight portion is by boric acid
124.33~150.98 parts, 3.42~17.10 parts of sodium carbonate, 10~25 parts of zinc oxide, 0.73~7.34 part of potassium carbonate, calcium carbonate
0~8.93 part, lithium carbonate group into 0.25~25 part, wherein preferably 1.79~5.36 parts of calcium carbonate.
Further, in the above-mentioned technical solutions, the low-melting-point glass is seal glass, and raw materials by weight portion is by phosphoric acid
98.88-120.85 parts of sodium dihydrogen, 7.10~26.64 parts of boric acid, 0~34.82 part of sodium carbonate, 1.47~14.67 parts of potassium carbonate,
1.24~12.40 parts of lithium carbonate, 0.1~3 part of composition of strontium oxide strontia.
Further, in the above-mentioned technical solutions, the low-melting-point glass is glass lubricant, and raw materials by weight portion is by phosphorus
65.92~131.84 parts of acid dihydride sodium, 7.10~35.52 parts of boric acid, 0~54.57 part of sodium carbonate, 0.2~10 part of zinc oxide, carbon
Sour 0.15~7.61 part of barium, 0~5 part of tin oxide, 0~5 part of bismuth oxide composition, wherein it is preferred that 1~5 part of tin oxide, bismuth oxide 1~
5 parts.
The present invention provides the low-melting-point glass that a kind of above-mentioned preparation method is obtained, without the big oxide of toxicity, such as thallium oxide, oxygen
Change single and with serious pollution lead oxide, the raw material of cadmium oxide, including glass glaze, seal glass and glass lubricant.
Further, in the above-mentioned technical solutions, the glass glaze, by weight by B2O370~85%, Na2O 2
~10%, ZnO 10~25%, K2O 0.5~5%, CaO 0~5%；Li2O 0.1~10% is constituted；Wherein, preferably CaO 1
~3%.It is the borate system of lead-free and cadmium-free into the raw material of component selections according to this, is：Boric acid, sodium carbonate, zinc oxide, carbonic acid
Potassium, calcium carbonate, lithium carbonate.
Further, in the above-mentioned technical solutions, sealing-in (welding) glass, as weight percents by P2O545~55
Part；B2O35~15%；Na2O 15~35%, K2O 1~10%, Li2O 0.5~5%, SrO 0.1~3% are constituted.According to this
Raw material into component selections is that phosphorus borate system is：Sodium dihydrogen phosphate, boric acid, sodium carbonate, potassium carbonate, lithium carbonate, strontium oxide strontia.
Further, in the above-mentioned technical solutions, the glass lubricant, as weight percents by P2O530~60%,
B2O34~20%, Na2O 20~45%, ZnO 0.2~10%, BaO 0.1~5%, SnO 0~5%, Bi2O30~5% group
Into；Wherein, preferably SnO 1~5%, Bi2O31~5%.Into the raw material of component selections it is that phosphorus borate system is according to this：Phosphoric acid
Sodium dihydrogen, boric acid, sodium carbonate, zinc oxide, barium carbonate, tin oxide, bismuth oxide.
Invention beneficial effect
The microwave fusing low temperature glass of the present invention is characterized in that firing rate is fast, and homogeneous heating, thermal loss is small, operation side
Just, compared with furnace melting, it is possible to decrease 3~7 times of energy expenditure.
The glass glaze of not leaded, barium, cadmium is can obtain with microwave fusing above-mentioned glass glaze raw material composition, softening point is also more common
Glaze is low, only 400 DEG C~450 DEG C, and the softening point of conventional glaze is more than 450 DEG C, and (20~200 DEG C) of linear expansion coefficient is 90~
105×10-7/ K , Te Do are adapted to leadless glaze and require the chemiluminescence glaze without heavy metal.
Above-mentioned glass lubricant raw material is melted with micro-wave oven to constitute, and 350~400 DEG C of low temperature lubricants of deformation point can be made,
Compared with other glass lubricants, this lubricant is water-soluble, it is not necessary to add the addition such as methylcellulose, fatty glyceride
Agent, you can obtain lubricant solution, with cloth and brushing on processing masterbatch surface, not only protects masterbatch surface, is rushed during the demoulding with water
Remaining lubricant is washed away, it is easy to operate, it is particularly suitable for use in the hot bending shaping of mobile phone glass cover plate
Constituted with microwave fusing above-mentioned seal glass raw material, its linear expansion coefficient is up to 210~230 × 10-7/ K and metal
The aluminium coefficient of expansion 231 × 10-7/ K, very close to can be with matched seal, and the linear expansion coefficient highest of general seal glass only has
150×10-7/ K, does not reach the linear expansion coefficient of this patent seal glass.
Embodiment
Following nonlimiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.
Embodiment 1
The glass-glazed weight percent used is constituted as B2O380.6%th, Na2O 7.2%, ZnO 11.5%, K2O
0.5%th, CaO 0.1%, Li2O 0.1%.
It is according to the consumption that glass-glazed composition calculates raw material：Boric acid 143.16g, sodium carbonate 13.34g, zinc oxide
11.5g, potassium carbonate 0.73g, calcium carbonate 0.18g, lithium carbonate 0.25g.
According to the raw material dosage calculated, precision weighing raw material, it is uniformly mixed into as batch.
Batch is individually placed in corundum crucible, then crucible is placed in micro-wave oven focal spot.
Micro-wave oven is closed, power-on, power and fusing time according to required for fusing set respectively power output and
Fusing time.
Micro-wave oven is reached after the fusing time of setting, closes power supply, opens fire door, crucible is taken out, then will be melted in crucible
The glass metal changed pours out quenching, is then comminuted into powder, is product after sieving.
Microwave frequency 2450MHZ, power output 0.8KW, fusing time 35min when glass glaze melts.
When identical component identical weight glass batch uses furnace melting, power output 2.5KW, 800 DEG C of fusion temperature melts
Change time 60min.
Contrasted using microwave fusing glass glaze and furnace melting, microwave fusing energy resource consumption reduces by 5.36 times.
Glass glaze is obtained using microwave fusing above-mentioned raw materials, and the heavy metal such as not leaded, barium, cadmium belongs to leadless glaze, it softens
Point is 450 DEG C, and the softening point of existing leadless glaze is more than 460 DEG C, and the leadless glaze softening point of this patent not only subtracts less than this temperature
Few energy resource consumption, and can prevent the luminescent powder added in glaze from occurring decay of luminescence more than 450 DEG C.The glass-glazed line of this patent
The coefficient of expansion 98 × 10-7/ K, can match with the linear expansion coefficient of general glassware, be particularly suitable for requirement without heavy metal
Luminescence glaze.
Embodiment 2
The weight percent of low temperature glass lubricant composition is used for P2O557.03%th, B2O35.32%th, Na2O
37.15%th, ZnO 0.20%, BaO 0.20%, SnO 0.05%, Bi2O30.05%.
The raw material into component selections is accordingly：Sodium dihydrogen phosphate 125.31g, boric acid 9.45g, sodium carbonate 20.96g, zinc oxide
0.20g, barium carbonate 0.30g, tin oxide 0.05g, bismuth oxide 0.05g.
According to the raw material dosage calculated, precision weighing raw material, it is uniformly mixed into as batch.
Batch is individually placed in corundum crucible, then crucible is placed in micro-wave oven focal spot.
Micro-wave oven is closed, power-on, power and fusing time according to required for fusing set respectively power output and
Fusing time.
Micro-wave oven is reached after the fusing time of setting, closes power supply, opens fire door, crucible is taken out, then will be melted in crucible
The glass metal changed pours out quenching, is then comminuted into powder, is product after sieving.
Microwave frequency 2450MHZ, power output 0.8KW, fusing time 15min when glass lubricant melts.
When identical component identical weight glass batch uses furnace melting, power output 2.5KW, 700 DEG C of fusion temperature melts
Change time 40min.
Contrasted using microwave fusing glass lubricant and furnace melting, microwave fusing energy resource consumption reduces by 7 times.
Obtain glass lubricant using mentioned component fusing above-mentioned raw materials, its softening point than general glass lubricant to be low,
Only 400 DEG C, and general glass lubricant softening point is more than 450 DEG C.Glass lubricant and titanium described in this patent at 550 DEG C
When the angle of wetting of alloy is 25 ° and 20 ° of titanium alloys of mobile phone glass cover plate angle of wetting and glass heat processing and forming, this glass lubricant
Thin layer is formed, masterbatch surface is uniformly distributed, lubrication is played, and this glass lubricant is water-soluble, as the aqueous solution, it is not necessary to
Add the bonding agents such as methylcellulose, so that it may brush on masterbatch surface.Glass profit agent is easily washed after the demoulding with water, it is special
Shi He not the shaping of mobile phone glass cover plate hot bending.
Embodiment 3
Use the weight percent of sealing glass composition for：P2O550.00%th, B2O34.80%th, Na2O 38.7%, K2O
4.60%th, Li2O 1.70%, SrO 0.20%.
The raw material into component selections is accordingly：Sodium dihydrogen phosphate 109.87g, boric acid 8.53g, sodium carbonate 28.86g, potassium carbonate
8.74g, lithium carbonate 4.20g, strontium monoxide 0.20g.
According to the raw material dosage calculated, precision weighing raw material, it is uniformly mixed into as batch.
Batch is individually placed in corundum crucible, then crucible is placed at micro-wave oven focusing.
Micro-wave oven is closed, power-on, power and fusing time according to required for fusing set respectively power output and
Fusing time.
Micro-wave oven is reached after the fusing time of setting, closes power supply, opens fire door, crucible is taken out, then will be melted in crucible
The glass metal changed pours out quenching, is then comminuted into powder, is product after sieving.
Microwave frequency 2450MHZ, power output 1.4KW, fusing time 60min when seal glass melts.
When identical component identical weight glass batch uses furnace melting, power output 2.5KW, 850 DEG C of fusion temperature melts
Change time 60min.
Contrasted using microwave fusing seal glass and furnace melting, microwave fusing energy resource consumption reduces by 3.75 times.
Seal glass is obtained using micro-wave oven fusing above-mentioned raw materials, its linear expansion coefficient is very high, up to 225 × 10-7/ K, with
The linear expansion coefficient (231 × 10 of aluminium-7/ K) very close to matched seal can be carried out；And the softening point of this seal glass is relatively low, only
For 430 DEG C, sealing-in can be carried out before aluminum products heating is not deformed, these are the unapproachable property of other seal glasses
Energy.
Claims (2)
1. a kind of preparation method of low-melting-point glass, it is characterised in that：The fusion temperature of the low-melting-point glass is less than 850 DEG C, uses
The microwave fusing raw material for preparing low temperature glass；
The frequency of the microwave is 915MHz~60GHz；
Using industrial or civilian micro-wave oven, microwave power is 0.8KW~50KW, 15~60min of fusing time；
The raw material for preparing low-melting-point glass is well mixed, is placed in high alumina earthenware Crucible, micro-wave oven focal spot is placed in, fire door is closed,
Power and heat time by setting, electrified regulation reach that fusing time is switched off power supply, open fire door, takes out crucible, will be molten
The glass metal changed is poured out, after quenching is crushed, as product；
The low-melting-point glass is glass lubricant, and raw materials by weight portion is by 65.92~131.84 parts of sodium dihydrogen phosphate, boric acid
7.10~35.52 parts, 0~54.57 part of sodium carbonate, 0.2~10 part of zinc oxide, 0.15~7.61 part of barium carbonate, tin oxide 1~5
Part, 1~5 part of composition of bismuth oxide.
2. preparation method according to claim 1 obtains glass lubricant, by weight by P2O530~60%, B2O3
4~20%, Na2O 20~45%, ZnO 0.2~10%, BaO 0.1~5%, SnO 1~5%, Bi2O31~5% composition.
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