CN106365441A - Lead-free glass material for windows and preparation method thereof - Google Patents
Lead-free glass material for windows and preparation method thereof Download PDFInfo
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- CN106365441A CN106365441A CN201610736640.8A CN201610736640A CN106365441A CN 106365441 A CN106365441 A CN 106365441A CN 201610736640 A CN201610736640 A CN 201610736640A CN 106365441 A CN106365441 A CN 106365441A
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
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Abstract
The invention discloses a lead-free glass material for windows and a preparation method thereof. The preparation method comprises the following steps that 1, 5-15 parts of La2O3, 20-30 parts of SiO2, 8-18 parts of CaO, 3-7 parts of B2O3, 2-6 parts of BaO, 1-3 parts of Er2O3, 3-6 parts of GeO2, 2-6 parts of Sb2O3 and 3-7 parts of TeO2 are taken and ball-milled through a ball mill separately; 2, glass materials obtained after being ball-milled separately are dried separately and then heated in a corundum crucible, the temperature is increased to 800 DEG C to 900 DEG C, and heat preservation is conducted for 2 h to 6 h; 3, the temperature of the corundum crucible is increased again to 1,320 DEG C to 1,400 DEG C, and heat preservation is conducted for 2 h to 5 h; 4, the temperature is lowered to 740 DEG C to 800 DEG C, then heat preservation is conducted for 1 h to 3 h, cooling is conducted to room temperature, and the lead-free glass material for the windows is obtained.
Description
Technical field
The invention belongs to glass material field, it is related to a kind of window lead-free glass material and preparation method thereof.
Background technology
Glass material can be divided into two classes from form.The first kind is glass board material, is mainly used in needing daylighting in decoration
Part, has the kinds such as plate glass, pattern glass, ground glass, coated glass, cut glass, safety glass, can be according to not
Same position, the requirement of different decorative effect are selected.Another kind of is glass block, is mainly used in the works such as glass partition, glass wall
Journey, predominantly glass hollow tile.It can be divided into single-chamber and two kinds of two-chamber, have the plurality of specifications such as square brick and long square brick, its surface again
Moulding is also very abundant, can need to select to use according to finishing.The tensile strength of glass is weaker, and comprcssive strength is stronger.Glass
The same with pottery, it is also fragile material.In order to improve stability and the safety of glass material, need its respective performances is carried out
Improve.
Content of the invention
Technical problem to be solved: glass material is applied very many, for the glass of curtain wall and door and window in curtain wall and door and window
Glass needs there is good intensity, and the purpose of the present invention is the comprehensive strength of the glass for windows and doors material improving preparation.
Technical scheme: in order to solve the above problems, the invention discloses a kind of window lead-free glass material, described window is used
Lead-free glass material includes the composition of following weight parts:
la2o35-15 part,
sio220-30 part,
Cao 8-18 part,
b2o33-7 part,
Bao 2-6 part,
er2o31-3 part,
geo23-6 part,
sb2o32-6 part,
teo23-7 part.
Preferably, described a kind of window lead-free glass material, including the composition of following weight parts:
la2o38-13 part,
sio222-28 part,
Cao 10-15 part,
b2o34-6 part,
Bao 3-5 part,
er2o32-3 part,
geo24-5 part,
sb2o33-5 part,
teo24-6 part.
A kind of preparation method of window lead-free glass material, including following steps:
Step 1: take la by weight respectively2o35-15 part, sio220-30 part, cao 8-18 part, b2o33-7 part, bao 2-6
Part, er2o31-3 part, geo23-6 part, sb2o32-6 part, teo23-7 part, above-mentioned composition is used ball mill ball milling, ball respectively
In grinding machine, ratio of grinding media to material is 15:1-25:1, and Ball-milling Time is 2-5h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, rises high-temperature extremely
800-900 DEG C, it is incubated 2-6h；
Step 3: raise corundum crucible temperature again and be 1320-1400 DEG C, be incubated 2-5h；
Step 4: reduce temperature and be incubated 1-3h to after 740-800 DEG C, be cooled to room temperature, be window lead-free glass material.
Preferably, in ball mill in described step 1, ratio of grinding media to material is 20:1, and Ball-milling Time is 3-4h.
Preferably, rise high-temperature in described step 2 to 850 DEG C, be incubated 4h.
Preferably, raise corundum crucible temperature in described step 3 again and be 1380 DEG C, be incubated 3-4h.
Preferably, reduce temperature in described step 4 and be incubated 2h to after 770 DEG C.
Beneficial effect: the window crown glass of the present invention has the characteristics that energy-conserving and environment-protective, and also has very high dimension
Family name's hardness and impact strength, Resisting fractre intensity, effectively raise the combination property of glass material, and have lightweight, every
Heat, the significant advantage of printing opacity.
Specific embodiment
Embodiment 1
Step 1: take la by weight respectively2o35 parts, sio230 parts, 8 parts of cao, b2o37 parts, 2 parts of bao, er2o33 parts,
geo23 parts, sb2o36 parts, teo27 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 25:1,
Ball-milling Time is 2h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 900
DEG C, it is incubated 6h；
Step 3: raise corundum crucible temperature again and be 1320 DEG C, be incubated 5h；
Step 4: reduce temperature and be incubated 1h to after 800 DEG C, be cooled to room temperature, be window lead-free glass material.
Embodiment 2
Step 1: take la by weight respectively2o315 parts, sio220 parts, 18 parts of cao, b2o33 parts, 6 parts of bao, er2o31 part,
geo26 parts, sb2o32 parts, teo23 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 15:1,
Ball-milling Time is 5h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 800
DEG C, it is incubated 2h；
Step 3: raise corundum crucible temperature again and be 1400 DEG C, be incubated 2h；
Step 4: reduce temperature and be incubated 3h to after 740 DEG C, be cooled to room temperature, be window lead-free glass material.
Embodiment 3
Step 1: take la by weight respectively2o313 parts, sio222 parts, 15 parts of cao, b2o36 parts, 3 parts of bao, er2o33 parts,
geo24 parts, sb2o35 parts, teo24 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 25:1, ball
Consume time as 2h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 900
DEG C, it is incubated 6h；
Step 3: raise corundum crucible temperature again and be 1320 DEG C, be incubated 5h；
Step 4: reduce temperature and be incubated 1h to after 800 DEG C, be cooled to room temperature, be window lead-free glass material.
Embodiment 4
Step 1: take la by weight respectively2o38 parts, sio228 parts, 10 parts of cao, b2o34 parts, 5 parts of bao, er2o32 parts,
geo25 parts, sb2o33 parts, teo26 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 15:1,
Ball-milling Time is 5h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 800
DEG C, it is incubated 2h；
Step 3: raise corundum crucible temperature again and be 1400 DEG C, be incubated 2h；
Step 4: reduce temperature and be incubated 3h to after 740 DEG C, be cooled to room temperature, be window lead-free glass material.
Embodiment 5
Step 1: take la by weight respectively2o310 parts, sio225 parts, 12 parts of cao, b2o35 parts, 4 parts of bao, er2o32 parts,
geo24 parts, sb2o34 parts, teo25 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 15:1,
Ball-milling Time is 5h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 800
DEG C, it is incubated 2h；
Step 3: raise corundum crucible temperature again and be 1400 DEG C, be incubated 2h；
Step 4: reduce temperature and be incubated 3h to after 740 DEG C, be cooled to room temperature, be window lead-free glass material.
Comparative example 1
Step 1: take la by weight respectively2o35 parts, sio230 parts, 8 parts of cao, b2o37 parts, 2 parts of bao, sb2o36 parts,
teo27 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 25:1, Ball-milling Time is 2h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 900
DEG C, it is incubated 6h；
Step 3: raise corundum crucible temperature again and be 1320 DEG C, be incubated 5h；
Step 4: reduce temperature and be incubated 1h to after 800 DEG C, be cooled to room temperature, be window lead-free glass material.
Comparative example 2
Step 1: take la by weight respectively2o35 parts, sio230 parts, 8 parts of cao, b2o37 parts, 2 parts of bao, er2o33 parts,
geo23 parts, above-mentioned composition is used ball mill ball milling respectively, in ball mill, ratio of grinding media to material is 25:1, Ball-milling Time is 2h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, liter high-temperature to 900
DEG C, it is incubated 6h；
Step 3: raise corundum crucible temperature again and be 1320 DEG C, be incubated 5h；
Step 4: reduce temperature and be incubated 1h to after 800 DEG C, be cooled to room temperature, be window lead-free glass material.
Determine shock resistance, hardness and the Resisting fractre intensity of the glass material of preparation, shock resistance method of testing
For by weight, the steel ball for 0.5kg drops down onto glass material from 0.6m high-altitude respectively, the glass material of embodiment 1 to 5 is being subject to
After steel ball impact there is not cracking or Fragmentation Phenomena in it, after comparative example 1 and 2 is impacted, creates cracking phenomena.Above-mentioned glass
The hardness of glass material and Resisting fractre intensity are as follows:
| Fracture toughness (mpa m1/2) | Vickers hardness | |
| Embodiment 1 | 2.9 | 526 |
| Embodiment 2 | 3.0 | 522 |
| Embodiment 3 | 3.3 | 539 |
| Embodiment 4 | 3.2 | 534 |
| Embodiment 5 | 3.6 | 560 |
| Comparative example 1 | 2.6 | 478 |
| Comparative example 2 | 2.5 | 473 |
Claims (7)
1. a kind of window lead-free glass material is it is characterised in that described window lead-free glass material includes following weight parts
Composition:
la2o3 5-15 part,
sio2 20-30 part,
Cao 8-18 part,
b2o3 3-7 part,
Bao 2-6 part,
er2o3 1-3 part,
geo23-6 part,
sb2o32-6 part,
teo23-7 part.
2. a kind of window lead-free glass material according to claim 1 is it is characterised in that described window crown glass
Material includes the composition of following weight parts:
la2o38-13 part,
sio222-28 part,
Cao 10-15 part,
b2o3 4-6 part,
Bao 3-5 part,
er2o32-3 part,
geo24-5 part,
sb2o33-5 part,
teo24-6 part.
3. a kind of preparation method of window lead-free glass material is it is characterised in that described preparation method includes following steps:
Step 1: take la by weight respectively2o35-15 part, sio220-30 part, cao 8-18 part, b2o33-7 part, bao 2-6 part,
er2o31-3 part, geo23-6 part, sb2o32-6 part, teo23-7 part, above-mentioned composition is used ball mill ball milling, ball milling respectively
In machine, ratio of grinding media to material is 15:1-25:1, and Ball-milling Time is 2-5h；
Step 2: the frit separate drying after ball milling respectively heats after being dried in corundum crucible, rises high-temperature extremely
800-900 DEG C, it is incubated 2-6h；
Step 3: raise corundum crucible temperature again and be 1320-1400 DEG C, be incubated 2-5h；
Step 4: reduce temperature and be incubated 1-3h to after 740-800 DEG C, be cooled to room temperature, be window lead-free glass material.
4. a kind of preparation method of window lead-free glass material according to claim 3 is it is characterised in that described step
In ball mill in 1, ratio of grinding media to material is 20:1, and Ball-milling Time is 3-4h.
5. a kind of preparation method of window lead-free glass material according to claim 3 is it is characterised in that described step
Rise high-temperature in 2 to 850 DEG C, be incubated 4h.
6. a kind of preparation method of window lead-free glass material according to claim 3 is it is characterised in that described step
Raise corundum crucible temperature in 3 again and be 1380 DEG C, be incubated 3-4h.
7. a kind of preparation method of window lead-free glass material according to claim 3 is it is characterised in that described step
Reduce temperature in 4 and be incubated 2h to after 770 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736640.8A CN106365441A (en) | 2016-08-27 | 2016-08-27 | Lead-free glass material for windows and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736640.8A CN106365441A (en) | 2016-08-27 | 2016-08-27 | Lead-free glass material for windows and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106365441A true CN106365441A (en) | 2017-02-01 |
Family
ID=57903629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736640.8A Pending CN106365441A (en) | 2016-08-27 | 2016-08-27 | Lead-free glass material for windows and preparation method thereof |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302144B6 (en) * | 2009-07-09 | 2010-11-10 | Moravské sklárny Kvetná s.r.o. | Colored glass free of lead and barium compounds |
| CN103435261A (en) * | 2013-08-20 | 2013-12-11 | 湖北戈碧迦光电科技股份有限公司 | Optical glass, and preparation method and application thereof |
| CN104326664A (en) * | 2013-12-31 | 2015-02-04 | 东旭集团有限公司 | Aluminosilicate glass containing germanium oxide and gallium oxide |
-
2016
- 2016-08-27 CN CN201610736640.8A patent/CN106365441A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302144B6 (en) * | 2009-07-09 | 2010-11-10 | Moravské sklárny Kvetná s.r.o. | Colored glass free of lead and barium compounds |
| CN103435261A (en) * | 2013-08-20 | 2013-12-11 | 湖北戈碧迦光电科技股份有限公司 | Optical glass, and preparation method and application thereof |
| CN104326664A (en) * | 2013-12-31 | 2015-02-04 | 东旭集团有限公司 | Aluminosilicate glass containing germanium oxide and gallium oxide |
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Application publication date: 20170201 |