CN101871246B - Glass-magnesium plate - Google Patents
Glass-magnesium plate Download PDFInfo
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- CN101871246B CN101871246B CN2009101116220A CN200910111622A CN101871246B CN 101871246 B CN101871246 B CN 101871246B CN 2009101116220 A CN2009101116220 A CN 2009101116220A CN 200910111622 A CN200910111622 A CN 200910111622A CN 101871246 B CN101871246 B CN 101871246B
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- plate
- magnesium
- glass
- parts
- magnesium plate
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- 239000011777 magnesium Substances 0.000 title claims abstract description 52
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 52
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical group [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 23
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 11
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003607 modifier Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 46
- 229940091250 magnesium supplement Drugs 0.000 claims description 46
- 239000011521 glass Substances 0.000 claims description 39
- 229960002337 magnesium chloride Drugs 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000012779 reinforcing material Substances 0.000 claims description 10
- 238000005282 brightening Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000011152 fibreglass Substances 0.000 claims description 8
- 235000019362 perlite Nutrition 0.000 claims description 7
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 4
- 235000011613 Pinus brutia Nutrition 0.000 claims description 4
- 241000018646 Pinus brutia Species 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000010903 husk Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010455 vermiculite Substances 0.000 claims description 3
- 235000019354 vermiculite Nutrition 0.000 claims description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 2
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 2
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- -1 chlorine ions Chemical class 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 2
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 4
- 230000002087 whitening effect Effects 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 150000004820 halides Chemical class 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 3
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 235000010216 calcium carbonate Nutrition 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229940097275 indigo Drugs 0.000 description 3
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000011008 sodium phosphates Nutrition 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Finishing Walls (AREA)
Abstract
The invention relates to architectural and decorative materials, in particular to a glass-magnesium plate comprising a forming agent, a reinforcement material, a light filler, a modifier and water, wherein the forming agent is magnesia, magnesium sulfate and magnesium chloride, the reinforcement material is a glass fibre grid fabric or other reinforcement materials, and the modifier comprises a whitening agent, a stabilizing agent and a toner. Compared with the prior art, the invention achieves the aims of stabilizing chlorine ions and preventing the moisture absorption and the halogen return of the glass-magnesium plate by lowering the content of the magnesium chloride and combining the stabilizing agent, also enhances the comprehensive performance of the glass-magnesium plate greatly under the combined action of the forming agent, the reinforcement material, the light filler, the whitening agent, the stabilizing agent and the toner and enables the glass-magnesium plate to reach or exceed the national or industrial standard requirement simultaneously in the aspects of folding strength, impact strength, drying shrinkage, bulking factor, screw holding capability, incombustibility and the like, so that the invention enhances the application range of the glass-magnesium plate greatly and can be widely used for the basal plate of plate materials, such as a grouting plate, a fire-proof plate, a ceiling plate, a decorative plate, a sound-absorbing plate, a partition plate and the like.
Description
Technical field
The present invention relates to a kind of building, ornament materials, be meant a kind of glass magnesium plate especially.
Background technology
Glass magnesium plate is to be raw material with magnesium forming agent, fiberglass gridding cloth, filler etc., forms through mechanical stitch, is mainly used in indoor non-bearing wall and furred ceiling, and the substrate that is used for all kinds of decorative panels.Glass magnesium plate of the prior art is a forming agent with magnesia and magnesium chloride normally; Magnesium is abundant in order to make, rapid condensation; The content of magnesium chloride can not be too low, otherwise do not reach make magnesium fully, the purpose of rapid condensation, and make when the content of magnesium chloride meets that magnesium is abundant, during the purpose of rapid condensation; Chloride ion content is too high, is prone to cause the sheet material damp suction surface halide accumulation.Moreover; Glass magnesium plate of the prior art at rupture strength, impact strength, contract with dry rate, bulking factor, hold aspects such as screw power, noninflammability and all be difficult to reach simultaneously country or industry standard requirement, so that limited the use of glass magnesium plate in actual production.
Summary of the invention
Main purpose of the present invention is to overcome the shortcoming of prior art, and a kind of anti-damp suction surface halide accumulation, the preferable glass magnesium plate of combination property are provided.
The present invention adopts following technical scheme:
A kind of glass magnesium plate; Form by forming agent, reinforcing material, light filler, modifier and water; Wherein forming agent is magnesia, magnesium sulfate and magnesium chloride; Reinforcing material is fiberglass gridding cloth or other reinforcing material, and modifier comprises brightening agent, stabilizing agent and toner, and the parts by weight of each component are following:
55～65 parts in magnesia, its magnesium content >=85%, activated carbon＞65%;
29～39 parts in magnesium sulfate;
2.9～3.9 parts in magnesium chloride;
0.5～8 part of reinforcing material;
26～36 parts of light fillers;
3.7～4.7 parts in brightening agent;
4.5～5.5 parts of stabilizing agents;
0.2～1.0 part of toner;
50～65 parts in water.
Said magnesium sulfate is anhydrous magnesium sulfate, and said magnesium chloride is a magnesium chloride hexahydrate.
Said light filler is made up of component A and B component, and wherein component A is a kind of or its combination in carpenter's powder, stalk, rice husk, the bamboo fibre etc., and B component is a kind of or its combination in perlite, granular polystyrene, gangue, the vermiculite etc.
Said carpenter's powder is that the dry refinement of pine forms.
Said brightening agent is a precipitated calcium carbonate, its fineness >=400 orders, whiteness >=85.
Said stabilizing agent is a kind of or its combination among tri-sodium phosphate, polyester acid, the OP-10.
The density of this glass magnesium plate is 0.65～1.5g/cm
3
This glass magnesium plate is widely used in the substrate of sheet materials such as grouting plate, PLASTIC LAMINATED, ceiling board, decorative panel, abatvoix and partition board.
Among the present invention, the function of each component, the effect as follows:
Magnesia (MgO) is the base-material of glass magnesium plate, belongs to fire proofing material in essence;
Magnesium sulfate (MgSO
4) and magnesium chloride (MgCl
2) belong to inorganic binder, play the physical chemistry combined reaction with magnesia, make that magnesium condenses, moulding;
Fiberglass gridding cloth belongs to reinforcing material, and its effect is the intensity that strengthens glass magnesium plate on the one hand, can improve the toughness of glass magnesium plate on the other hand, improves the rupture strength and the impact strength of glass magnesium plate;
Carpenter's powder, stalk, rice husk, bamboo fibre belong to light filler; Can reduce the weight of glass magnesium plate on the one hand; Can improve the screw power of holding of glass magnesium plate on the other hand, and stalk, rice husk, bamboo fibre belong to the environment-friendly materials of refuse reclamation, and can reduce the whole cost of glass magnesium plate;
Perlite is a kind of lightweight, the multifunctional novel type material that forms through expansion; Have that apparent density is light, coefficient of thermal conductivity is low, chemical stability is good, the serviceability temperature scope is wide, wettability power is little; And nontoxic, tasteless, fire prevention, sound-absorbing, granular polystyrene, gangue and vermiculite also have some identical effects;
Brightening agent can improve the whiteness of glass magnesium plate, improves its lustrous surface;
Stabilizing agent can be regulated pH value, and the stabilized chlorine ion prevents that chlorion suction from returning halogen;
Toner is used to regulate the appearance color of glass magnesium plate.
A kind of glass magnesium plate of the present invention during fabrication; At first with magnesium sulfate, stabilizing agent, toner and magnesium chloride water mixing; The component A, the B component in the light filler and the brightening agent that add successively in magnesia, the light filler form slurry again; Then with slurry and fiberglass gridding cloth through mechanical stitch, obtain finished product through maintenance.
Can know by the above-mentioned description of this invention; Compare with prior art; A kind of glass magnesium plate of the present invention is through reducing content of magnesium chloride and combining stabilizing agent to reach the stabilized chlorine ion, prevent the purpose of glass magnesium plate damp suction surface halide accumulation; Under the acting in conjunction of forming agent, reinforcing material, light filler, brightening agent, stabilizing agent, toner, promote simultaneously the combination property of glass magnesium plate greatly; Make glass magnesium plate at rupture strength, impact strength, contract with dry rate, bulking factor, hold aspects such as screw power, noninflammability and meet or exceed country or industry standard requirement simultaneously; Thereby promoted the range of application of glass magnesium plate greatly, can be widely used in the substrate of sheet materials such as grouting plate, PLASTIC LAMINATED, ceiling board, decorative panel, abatvoix and partition board.
The specific embodiment
Embodiment one
At first, obtain fluid with the raw material blending of following weight portion:
32 parts of anhydrous magnesium sulfates;
4.7 parts of tertiary sodium phosphates;
0.4 part of indigo agent;
3.1 parts of magnesium chloride hexahydrates;
53 parts in water;
The fluid that obtains is added following raw material successively, forms slurry:
57 parts in magnesia, its magnesium content >=85%, activated carbon＞65%;
16 parts in carpenter's powder, this carpenter's powder is made by the dry refinement of pine;
10 parts of perlites, this perlite requires≤45 orders;
3.8 parts of precipitated calcium carbonates require its fineness >=400 orders, whiteness >=85;
Through mechanical stitch, cutting obtains 2440*1220*6 (mm) finished product through maintenance with the slurry that obtains and layer glass fibrous mesh cloth, and the specification of this fiberglass gridding cloth can be 7*7/cm
2Perhaps 10*10/cm
2
The product that makes is delivered to national building materials industry wall roofing quality of materials supervision and inspection center detect, the result is following:
Apparent density: 1.32t/m
3
Rupture strength: 24.1MPa is superior to JC688-2006 minimum standard value 15.0MPa;
Impact strength: 8.6kJ/m
2, be superior to JC688-2006 minimum standard value 2.5kJ/m
2
Surface halide accumulation resistance property: the no globule, nothing are got damp, and meet the JC688-2006 standard-required;
Moisture content dispatches from the factory: 5%, be superior to JC688-2006 highest standard value 8%;
Contract with dry rate 0.1% is superior to JC688-2006 highest standard value 0.3%;
Bulking factor 0.1% is superior to JC688-2006 highest standard value 0.6%;
Hold screw power 30N/m, be superior to JC688-2006 minimum standard value 20N/m;
Chloride ion content 6% is superior to JC688-2006 highest standard value 10%;
Noninflammability: meet A level requirement among the GB8624-1997.
Embodiment two
At first, obtain fluid with the raw material blending of following weight portion:
37 parts of anhydrous magnesium sulfates;
5.2 parts of tertiary sodium phosphates;
0.8 part of indigo agent;
3.6 parts of magnesium chloride hexahydrates;
63 parts in water;
The fluid that obtains is added following raw material successively, forms slurry:
63 parts in magnesia, its magnesium content >=85%, activated carbon＞65%;
20 parts in carpenter's powder, this carpenter's powder is made by the dry refinement of pine;
16 parts of perlites, this perlite requires≤45 orders;
4.5 parts of precipitated calcium carbonates require its fineness >=400 orders, whiteness >=85;
Through mechanical stitch, cutting obtains 2440*1220*3 (mm) finished product through maintenance with the slurry that obtains and layer glass fibrous mesh cloth, and the specification of this fiberglass gridding cloth can be 7*7/cm
2Perhaps 10*10/cm
2
The product that makes is delivered to national building materials industry wall roofing quality of materials supervision and inspection center detect, the result is following:
Apparent density: 1.14t/m
3
Rupture strength: 23.0MPa is superior to JC688-2006 minimum standard value 12.0MPa;
Impact strength: 8.0kJ/m
2, be superior to JC688-2006 minimum standard value 2.5kJ/m
2
Surface halide accumulation resistance property: the no globule, nothing are got damp, and meet the JC688-2006 standard-required;
Moisture content dispatches from the factory: 4%, be superior to JC688-2006 highest standard value 8%;
Contract with dry rate 0.1% is superior to JC688-2006 highest standard value 0.3%;
Bulking factor 0.1% is superior to JC688-2006 highest standard value 0.6%;
Hold screw power 32N/m, be superior to JC688-2006 minimum standard value 20N/m;
Chloride ion content 6% is superior to JC688-2006 highest standard value 10%;
Noninflammability: meet A level requirement among the GB8624-1997.
Embodiment three
At first, obtain fluid with the raw material blending of following weight portion:
32 parts of anhydrous magnesium sulfates;
Op-104.7 part;
0.4 part of indigo agent;
3.1 parts of magnesium chloride hexahydrates;
53 parts in water;
The fluid that obtains is added following raw material successively, forms slurry:
57 parts in magnesia, its magnesium content >=85%, activated carbon＞65%;
16 parts of powder of straw;
10 parts of granular polystyrenes;
3.8 parts of precipitated calcium carbonates require its fineness >=400 orders, whiteness >=85;
Through mechanical stitch, cutting obtains 600*600*6 (mm) finished product through maintenance with the slurry that obtains and layer glass fibrous mesh cloth, and the specification of this fiberglass gridding cloth can be 7*7/cm
2Perhaps 10*10/cm
2
The product that makes is delivered to national building materials industry wall roofing quality of materials supervision and inspection center detect, the result is following:
Apparent density: 1.05t/m
3
Rupture strength: 24.1MPa is superior to JC688-2006 minimum standard value 12.0MPa;
Impact strength: 8.6kJ/m
2, be superior to JC688-2006 minimum standard value 2.5kJ/m
2
Surface halide accumulation resistance property: the no globule, nothing are got damp, and meet the JC688-2006 standard-required;
Moisture content dispatches from the factory: 6%, be superior to JC688-2006 highest standard value 8%;
Contract with dry rate 0.1% is superior to JC688-2006 highest standard value 0.3%;
Bulking factor 0.1% is superior to JC688-2006 highest standard value 0.6%;
Hold screw power 28N/m, be superior to JC688-2006 minimum standard value 20N/m;
Chloride ion content 6% is superior to JC688-2006 highest standard value 10%;
Noninflammability: meet A level requirement among the GB8624-1997.
Above-mentionedly be merely several specific embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (8)
1. glass magnesium plate; It is characterized in that: this glass magnesium plate is made up of forming agent, reinforcing material, light filler, modifier and water; Wherein forming agent is magnesia, magnesium sulfate and magnesium chloride; Reinforcing material is fiberglass gridding cloth or other reinforcing material, and modifier comprises brightening agent, stabilizing agent and toner, and the parts by weight of each component are following:
55～65 parts in magnesia, its magnesium content >=85%, activated carbon＞65%;
29～39 parts in magnesium sulfate;
2.9～3.9 parts in magnesium chloride;
0.5～8 part of reinforcing material;
26～36 parts of light fillers;
3.7～4.7 parts in brightening agent;
4.5～5.5 parts of stabilizing agents;
0.2～1.0 part of toner;
50～65 parts in water.
2. a kind of glass magnesium plate as claimed in claim 1, it is characterized in that: said magnesium sulfate is anhydrous magnesium sulfate, said magnesium chloride is a magnesium chloride hexahydrate.
3. a kind of glass magnesium plate as claimed in claim 1; It is characterized in that: said light filler is made up of component A and B component; Wherein component A is a kind of or its combination in carpenter's powder, stalk, rice husk, the bamboo fibre, and B component is a kind of or its combination in perlite, granular polystyrene, gangue, the vermiculite.
4. a kind of glass magnesium plate as claimed in claim 3 is characterized in that: said carpenter's powder is that the dry refinement of pine forms.
5. a kind of glass magnesium plate as claimed in claim 1, it is characterized in that: said brightening agent is a precipitated calcium carbonate, its fineness >=400 orders, whiteness >=85.
6. a kind of glass magnesium plate as claimed in claim 1 is characterized in that: said stabilizing agent is a kind of or its combination among tri-sodium phosphate, polyester acid, the OP-10.
7. a kind of glass magnesium plate as claimed in claim 1, it is characterized in that: the density of this glass magnesium plate is 0.65～1.5g/cm
3
8. a kind of glass magnesium plate as claimed in claim 1 is characterized in that: this glass magnesium plate is widely used in the substrate of grouting plate, PLASTIC LAMINATED, ceiling board, decorative panel, abatvoix and partition board sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101116220A CN101871246B (en) | 2009-04-24 | 2009-04-24 | Glass-magnesium plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101116220A CN101871246B (en) | 2009-04-24 | 2009-04-24 | Glass-magnesium plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101871246A CN101871246A (en) | 2010-10-27 |
| CN101871246B true CN101871246B (en) | 2012-03-28 |
Family
ID=42996315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101116220A Active CN101871246B (en) | 2009-04-24 | 2009-04-24 | Glass-magnesium plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101871246B (en) |
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