CN102295408B - Heat absorbing float glass - Google Patents
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- CN102295408B CN102295408B CN 201110157870 CN201110157870A CN102295408B CN 102295408 B CN102295408 B CN 102295408B CN 201110157870 CN201110157870 CN 201110157870 CN 201110157870 A CN201110157870 A CN 201110157870A CN 102295408 B CN102295408 B CN 102295408B
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- float glass
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Abstract
The invention relates to the float glass field, and concretely relates to a heat absorbing float glass. The glass comprises SiO2, Na2O, K2O, CaO, MgO, Al2O3, total iron calculated by Fe2O3, SnO2, ZnO, TiO2, CeO2, and SO3, wherein the percentage of the total iron calculated by Fe2O3 is 0.5-1.0 wt%, and preferably 0.6-0.8 wt%; the weight percentage of SnO2 satisfies a formula that a weight ratio of Fe2O3: SnO2 is 1:1.6-3.0, and preferably 1:2.2-2.6; and the weight percentage of ZnO satisfies a formula that a weight ratio of SnO2:ZnO is 1:0.4-2.5, and preferably 1:1.2-2.2. The heat absorption capacity of the glass is good, the infrared transmittance is less than 10%, and simultaneously the visible light transmittance is greater than 50%, so the heat energy of sunlight can be isolated, and the energy saving effect is reached, thereby the glass of the invention can be widely applied to building glasses, automobile glasses, and the like.
Description
Technical field
The present invention relates to the float glass field, especially relate to a kind of antisolar float glass with low infrared transmittivity and high visible light transmissivity.
Background technology
Under the overall situation that global climate changes; The city is faced with the double challenge of developing the economy and reducing greenhouse gas emission; Unswervingly walk the low-carbon (LC) road for development; Be to realize economizing on resources inevitable strategy with environmental protection, glass is the important component of building, automobile, absorbs heat by glass; The heat energy of isolated sunshine; Can reach energy-conservation effect, usually commonly used former of vehicle glass is float glass, the percentage by weight of oxide SiO normally in the constituent of float glass
2: 65～75%, Na
2O:10～15%, K
2O:0～3%, CaO:5～15%, MgO:2～8%, Al
2O
3: 0～3%, SnO
20～4%, ZnO 0～4%, TiO
2: 0～1.5%, CeO
2: SO 0.1%～1.2%,
3: 0.01 ~ 0.08%, also contain in the antisolar glass usually by Fe
2O
3The total iron that calculates; Iron is the main component that absorbs infrared light in the antisolar glass; The total amount of iron and+divalent iron and+equilibrium relation between the 3 valency iron; Optical properties such as infra-red transmittance to glass have very big influence; It is existing a lot of to relate to such patent; For example, U.S. PPG 97104961.0,98810129.7, Shanghai Yaohua Pilkington Glass Co., Ltd 03117080.3, University Of Science and Technology of the Inner Mongol 201010183791.8, Cai Xu loyal 200910154301.9 etc.
PPG is in 97104961.0 patents; The Sodelimesilica Glass base composition of employing standard and as iron, cerium, chromium and the optional titanium of infrared and uv-radiation absorbing material and tinting material, this green glass contains the total iron of 0.50～1.0% weight, about 0.35～0.65% weight Fe
2O
3, about 0.8～1.5% weight CeO
2, and about 20～150ppm Cr
2O
3Have at least about 65% visible transmission than (Tv), be no more than about 38% ultraviolet transmission than (Tuv), be no more than about 35% infra-red transmittance (Tir); But; The heat absorption capacity of this glass is not good enough, and the infra-red transmittance of embodiment (Tir) is higher than 18% when thickness 4.06mm, be 18.41%-31.45%.
PPG is in 98810129.7 patents; The silica-based plinth glass composition of the sodium calcium of employing standard and adopt iron in addition and cobalt and optional chromium as infrared and ultraviolet radiation absorption material and tinting material, this blue glass comprises the total iron of about 0.40～1.0% weight, about 4～40PPMCoO and 0～100PPMCr
2O
3, the redox ratio of this glass is greater than 0.35, is up to approximately 0.60, and still, the heat absorption capacity of this glass is not good enough, and the infra-red transmittance Tir of all embodiment is higher than 10% at thickness 3.9mm, is 10.7%-19.1%.In the claim of this piece patent, tinting material removes the total iron of 0.40～1.0% weight, about 4～40PPMCoO and 0～100PPMCr
2O
3In addition, also comprise SnO
20～2.0% weight, CeO
20～1.0% weight, TiO
20～0.5% weight, ZnO 0～0.5% weight, Nd
2O
30～0.5% weight, MnO
20～0.1% weight, MoO
30～100ppm, V
2O
50～400ppm, NiO 0～10ppm, Se 0～3ppm; In its colorant formulations, beyond total iron and CoO necessarily contained, other compositions were not essential; Therefore; According to its prescription, glass infra-red transmittance (Tir) is higher than 10% when thickness 3.9mm, can not get infra-red transmittance and is lower than 10% high-performance antisolar glass.
Shanghai Yaohua Pilkington Glass Co., Ltd in common sodium calcium silicon sheet glass composition, adds tinting material in 03117080.3 patent, the proportioning of tinting material is: total iron content (Fe in the tinting material
2O
3) between 0.5～0.9%, the ferrous (Fe in wherein total iron
2+) content is 18～28%, TiO
2Content be 0.2～0.7%, CeO
2Content be 0.05～0.15%.The ultraviolet transmission ratio is near 17%, and infra-red transmittance is near 28%, and the visible transmission ratio is more than 70%, and this glass heat absorption capacity is not good enough.
University Of Science and Technology of the Inner Mongol adds Fe on the basis of common float glass in 201010183791.8 patents
2O
3, C, SnCl
2, making the thickness of glass of founding out is 4mm, and its visible transmission ratio is greater than 75%, and the ultraviolet transmission ratio is less than 4%, and infra-red transmittance among the embodiment, adds SnCl near 20%
2Amount reach 6%, a large amount of chlorine-containing components will seriously corrode glass melter, shorten melting furnace life-span greatly, be difficult to implement.
Cai Xuzhong is in 200910154301.9 patents; Having proposed a kind of absorption ultraviolet ray and ultrared light blue energy-saving environmental-protection transparent glass, is in exsiccant silica sand and other auxiliary materials, to add red oxide of iron and cerium oxide, under high-temperature fusion and stress relief annealed processing condition, directly fires to form; To the thick glass of 2mm; Visible transmission is than more than 70%, and 780nm～3000nm infra-red transmittance is reduced to 0.0001%, and 200nm～390nm ultraviolet transmission ratio is reduced to 0.00001%.During glass is formed, total iron Fe
2O
32.4 SnCl～2.6%,
22～4%, ZnO 5.5～6.0%, and total iron amount that its glass is formed is very high, need very high fusing point, in addition, and SnCl
2Fusing point is 246 ° of C, in the production process, is difficult to make in the glass composition and contains SnCl
2, therefore, be difficult to implement.
To sum up, existing antisolar glass technology, perhaps heat absorption capacity is not good enough, for example embodies in the patent 03117080.3 of U.S. PPG patent 97104961.0,98810129.7, Shanghai Yaohua Pilkington Glass Co., Ltd; Perhaps be difficult to implement, for example, embody in the patent 201010183791.8 of University Of Science and Technology of the Inner Mongol, the patent 200910154301.9 of Cai Xuzhong.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of outstanding heat absorption capacity that has is provided, infra-red transmittance is below 10%, and visible transmission compares a kind of antisolar float glass with float glass process production exploitativeness greater than 50% simultaneously.
Technical scheme of the present invention is: a kind of antisolar float glass, the glass composition contains following component: SiO
2, Na
2O, K
2O, CaO, MgO, Al
2O
3, press Fe
2O
3The total iron, the SnO that calculate
2, ZnO, TiO
2, CeO
2, SO
3, it is characterized in that: press Fe
2O
3Total iron components by weight percent of calculating is: 0.5～1.0%, and SnO
2Shared weight satisfies formula F e
2O
3: SnO
2=1:1.6～3.0, the shared weight of ZnO satisfies formula S nO
2: ZnO=1:0.4～2.5.
Wherein, preferably press Fe
2O
3Total iron components by weight percent of calculating is: 0.6～0.8%.
Wherein, preferred SnO
2Shared weight satisfies formula F e
2O
3: SnO
2=1:2.2～2.6, the preferred shared weight of ZnO satisfies formula S nO
2: ZnO=1:1.2～2.2.
Wherein, glass is when thickness 3～5mm, and greater than 50%, infra-red transmittance (Tir) is less than 10% than (Tv) for visible transmission, and the direct transmittance of sunshine (Te) is less than 45%.
Wherein, glass is when thickness 3～5mm, at the transmittance (T of 1050nm wavelength
1050) smaller or equal to 5%.
Wherein, glass when thickness 3～5mm, ultraviolet transmission than (Tuv) smaller or equal to 30%.
Embodiment
Embodiment: adopt the general raw material of float glass, raw materials such as silica sand, soda ash, rhombspar, Wingdale, saltcake for example,
The 500g compound is poured glass metal in the graphite jig of 1300 ° of C at 1500 ° of C fusion 5h then, cuts away power supply afterwards, and the annealing cooling obtains the thick glass of 6～10mm; Grinding and polishing becomes 4mm heavy sheet glass print afterwards, is used for the test of optical performance test and glass moity.Visible transmission than (Tv), infra-red transmittance (Tir), ultraviolet transmission than the optical performance test of (Tuv), the direct transmittance of sunshine (Te) according to ISO 9050-2003, ISO 13837-2008, GB T 2680-1994 standard, with the Lambda 950 spectrophotometer testing equipments of PE company; The test of glass moity is with Japanese XRF XRF testing equipment of science.The glass of embodiment 1～12 and comparative example 1～6 is formed and optical property is listed in table 1, table 2 respectively.Fe during glass is formed
2O
3, SnO
2, the proportionlity between the ZnO, in table 1, list simultaneously.
Embodiment 1～12, and infra-red transmittance is lower than 10%, and heat absorption capacity is good.And comparative example 1～6, infra-red transmittance is greater than 10%, and heat absorption capacity is not good enough.
The principal constituent that the glass of embodiment 1～12 and comparative example 1～6 is formed is the float glass composition.
Embodiment 1～4 and comparative example 1～2 can obtain, total iron Fe during it is formed
2O
30.5～1.0% weight, preferred 0.6～0.8% weight.
Embodiment 5～8 and comparative example 3～4 can obtain, part by weight Fe during it is formed
2O
3: SnO
2=1:1.6～3.0, preferred Fe
2O
3: SnO
2=1:2.2～2.6.
Embodiment 9～12 and comparative example 5～6 can obtain, part by weight SnO during it is formed
2: ZnO=1:0.4～2.5, preferred SnO
2: ZnO=1:1.2～2.2.
Its heat absorption capacity, be through regulating iron total amount and+divalent iron and+equilibrium relationship between the 3 valency iron realizes.Similar on the principle with existing technology; But, outstanding heat absorption capacity, promptly infra-red transmittance is lower than 10%, enough visible transmission is than, float glass process production exploitativeness; The performance that this three takes into account simultaneously; Can realize that when meeting the following conditions promptly its composition principal constituent is the float glass composition, total iron Fe during it is formed
2O
30.5～1.0% weight, preferred 0.6～0.8% weight; Must satisfy simultaneously part by weight Fe in its composition
2O
3: SnO
2=1:1.6～3.0, preferred Fe
2O
3: SnO
2=1:2.2～2.6; Must satisfy simultaneously part by weight SnO in its composition
2: ZnO=1:0.4～2.5, preferred SnO
2: ZnO=1:1.2～2.2; This point is different with existing technology.
Therefore, a kind of float glass process antisolar glass that meets the following conditions, promptly its composition principal constituent is the float glass composition, total iron Fe during it is formed
2O
30.5～1.0% weight, preferred 0.6～0.8% weight; Must satisfy simultaneously part by weight Fe in its composition
2O
3: SnO
2=1:1.6～3.0, preferred Fe
2O
3: SnO
2=1:2.2～2.6; Must satisfy simultaneously part by weight SnO in its composition
2: ZnO=1:0.4～2.5, preferred SnO
2: ZnO=1:1.2～2.2; This glass has outstanding heat absorption capacity, and promptly infra-red transmittance is lower than 10%, enough visible transmission is than, float glass process production exploitativeness.Can be widely used in building glass, vehicle glass etc.
Claims (8)
1. antisolar float glass, glass are formed and are contained following component: SiO
2, Na
2O, K
2O, CaO, MgO, Al
2O
3, press Fe
2O
3The total iron, the SnO that calculate
2,ZnO, TiO
2, CeO
2, SO
3, it is characterized in that: press Fe
2O
3Total iron components by weight percent of calculating is: 0.5～1.0%, and SnO
2Shared weight satisfies formula F e
2O
3: SnO
2=1:1.6～3.0, the shared weight of ZnO satisfies formula S nO
2: ZnO=1:0.4～2.5.
2. a kind of antisolar float glass as claimed in claim 1 is characterized in that by Fe
2O
3Total iron components by weight percent of calculating is: 0.6～0.8%.
3. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that SnO
2Shared weight satisfies formula F e
2O
3: SnO
2=1:2.2～2.6.
4. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that the shared weight of ZnO satisfies formula S nO
2: ZnO=1:1.2～2.2.
5. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that SnO
2Shared weight satisfies formula F e
2O
3: SnO
2=1:2.2～2.6, the shared weight of ZnO satisfies formula S nO
2: ZnO=1:1.2～2.2.
6. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that glass when thickness 3～5mm, and greater than 50%, infra-red transmittance (Tir) is less than 10% than (Tv) for visible transmission, and the direct transmittance of sunshine (Te) is less than 45%.
7. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that glass when thickness 3～5mm, at the transmittance (T of 1050nm wavelength
1050) smaller or equal to 5%.
8. according to claim 1 or claim 2 a kind of antisolar float glass is characterized in that glass when thickness 3～5mm, ultraviolet transmission than (Tuv) smaller or equal to 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157870 CN102295408B (en) | 2011-06-13 | 2011-06-13 | Heat absorbing float glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157870 CN102295408B (en) | 2011-06-13 | 2011-06-13 | Heat absorbing float glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102295408A CN102295408A (en) | 2011-12-28 |
| CN102295408B true CN102295408B (en) | 2012-12-26 |
Family
ID=45356118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110157870 Active CN102295408B (en) | 2011-06-13 | 2011-06-13 | Heat absorbing float glass |
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| Country | Link |
|---|---|
| CN (1) | CN102295408B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351422A (en) * | 2011-07-07 | 2012-02-15 | 福耀玻璃工业集团股份有限公司 | Infrared isolated heat-absorption float glass |
| CN104671660B (en) * | 2014-12-11 | 2017-09-26 | 漳州旗滨玻璃有限公司 | A kind of ultrawhite super thick float glass and its preparation method |
| EA034445B1 (en) * | 2015-04-23 | 2020-02-07 | ЭйДжиСи Инк. | Heat-ray- and ultraviolet-absorbent glass sheet, and method for manufacturing same |
| CN105923999A (en) * | 2016-03-07 | 2016-09-07 | 江苏通天光学科技有限公司 | Colorless transparent anti-ultraviolet radiation glass |
| CN108840562B (en) * | 2018-07-10 | 2019-04-16 | 中山市正德玻璃制品有限公司 | A kind of low light transmission energy conservation secret glass and preparation method thereof |
| CN109052931A (en) * | 2018-09-11 | 2018-12-21 | 台玻安徽玻璃有限公司 | A kind of production method, glass and the application of highly endothermic thin float glass |
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Patent Citations (10)
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|---|---|---|---|---|
| US3779733A (en) * | 1970-01-26 | 1973-12-18 | Ppg Industries Inc | Method of manufacturing heat absorbing glass |
| SU1316983A1 (en) * | 1985-06-25 | 1987-06-15 | Чернятинский Стекольный Завод Производственного Объединения "Брянскстекло" | Heat-absorbing glass |
| SU1671625A1 (en) * | 1987-03-19 | 1991-08-23 | Государственный научно-исследовательский институт стекла | Yellow glass |
| CN1117288A (en) * | 1993-02-04 | 1996-02-21 | 皮尔金顿公共有限公司 | Glass compositions |
| CN1089730C (en) * | 1996-04-01 | 2002-08-28 | Ppg工业俄亥俄公司 | Infrared and ultravillet radiation absorbing green glass composition |
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| RU2178393C2 (en) * | 2000-03-20 | 2002-01-20 | Открытое акционерное общество "Саратовский институт стекла" (ОАО "СИС") | Method of manufacturing green heat-absorbing glass |
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|---|---|
| CN102295408A (en) | 2011-12-28 |
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Effective date of registration: 20190703 Address after: 117000 Fujia Village, Beitai Town, Pingshan District, Benxi City, Liaoning Province Patentee after: Benxi Fuyao Float Glass Co., Ltd. Address before: 350301 Fuyao Glass Industrial Zone, Honglu Town, Fuqing, Fuzhou, Fujian, II Patentee before: Fuyao Glass Industry Group Co., Ltd. |
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| TR01 | Transfer of patent right |