CN101546616B - Decorated board for shielding X ray and its manufacture method - Google Patents
Decorated board for shielding X ray and its manufacture method Download PDFInfo
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- CN101546616B CN101546616B CN2009100148578A CN200910014857A CN101546616B CN 101546616 B CN101546616 B CN 101546616B CN 2009100148578 A CN2009100148578 A CN 2009100148578A CN 200910014857 A CN200910014857 A CN 200910014857A CN 101546616 B CN101546616 B CN 101546616B
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- 238000000034 method Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 24
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 24
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 23
- 239000004411 aluminium Substances 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 23
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 51
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 48
- 238000012423 maintenance Methods 0.000 claims description 24
- 235000013312 flour Nutrition 0.000 claims description 22
- 239000010881 fly ash Substances 0.000 claims description 22
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 241000334993 Parma Species 0.000 claims description 2
- 230000005260 alpha ray Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The invention discloses a decorated board for shielding an X ray, which is characterized by comprising the following raw materials by the weight portion: 1-5 of quartz powder, 2-8 of pulverized fuel ash, 3-10 of reinforced fiber, 6-15 of sulphate aluminium cement, 65-80 of permanent white, 5-10 of zinc powder and 3-5 of sodium silicate. The decorated board for shielding the X ray has better comprehensive properties and favorable function of X ray radiation prevention, can be widely applied to construction, military, medicine, power plant or nuclear facility and many other fields and has lightweight and low production cost.
Description
Technical field
The present invention relates to a kind of sheet material, particularly relate to a kind of X ray decorated board for shielding and preparation method thereof.
Background technology
At present, existing decorative panel all adopts the inner plumbous purpose that plays the X-ray-preventing radiation of adding, still, because plumbous quality is bigger, thereby, significantly increased the weight of decorative panel; In addition, in decorative panel, add the manufacturing cost of the obvious increase decorative panel of plumbous meeting, make existing decorative panel price hold high, be difficult to apply with X-ray-preventing function.
Summary of the invention
Purpose of the present invention has provided a kind of X ray decorated board for shielding, and it can make decorative panel have the function of good X-ray-preventing radiation under the prerequisite that does not increase decorative panel weight, and, can not increase the production cost of decorative panel.
The objective of the invention is to be achieved through the following technical solutions: the X ray decorated board for shielding, the raw material that comprises the following weight parts meter, silica flour 1-5 part, flyash 2-8 part, fortifying fibre 3-10 part, sulphate aluminium cement 6-15 part, barium sulphate 65-80 part, zinc powder 5-10 part, sodium silicate 3-5 part.Described X ray decorated board for shielding, its material fiting ratio in weight portion are 2 parts of silica flours, 4 parts in flyash, 10 parts of fortifying fibres, 6 parts of sulphate aluminium cements, 70 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.Described X ray decorated board for shielding, its material fiting ratio in weight portion are 1 part of silica flours, 2 parts in flyash, 3 parts of fortifying fibres, 6 parts of sulphate aluminium cements, 80 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.Described X ray decorated board for shielding, it is to also have AC initiating agent 4-6 part in the material fiting ratio of weight portion.
A kind of preparation method of X ray decorated board for shielding may further comprise the steps:
1. slurrying: a, each raw material is put into refiner add water and stirred 25 minutes, the mass percent concentration that guarantees slurry is 30-35%, above-mentioned each material fiting ratio is: silica flour 1-5 part, flyash 2-8 part, fortifying fibre 3-10 part, sulphate aluminium cement 6-15 part, barium sulphate 65-80 part, zinc powder 5-10 part, sodium silicate 3-5 part; Leave standstill after b, refiner are spared the raw material stirring all and obtained slip in 15 minutes.
2. moulding: a, pour slip into dilution trap, in dilution trap, add water, slip is diluted to mass percent concentration 6-10%, from slip, pass, utilize the absorption of woollen blanket and filtration that material is sticked on the woollen blanket with the thin woollen blanket of annular; B, the material on the woollen blanket is pushed by multiple pressure roller, the gained material is carried out repeatedly vacuum dehydration, material after the dehydration is wrapped on the forming tube continuously, and forming tube cooperates with pressure roller the multilayer dose compacting on it, reaches to set thickness and shut down and promptly get material base;
3. stacking: earlier that the cutting of limit in length and breadth of material base is neat, the material base after will cut more neatly overlays on the backing plate, and sign indicating number becomes buttress to pile;
4. pressurization: stacking is applied the pressure of 30-35MPa, suppressed 15-30 minute, the material base that is stacked together is pressed into slab;
5. preliminary maintenance: the slab of compression moulding was left standstill 12-16 hour;
6. the demoulding:, again slab is deposited on the maintenance dividing plate with holes earlier with the vacuum cup demoulding of the slab after the preliminary maintenance;
7. steam-cured: the slab after the demoulding is put into still kettle slab is carried out maintenance, maintenance processes is divided into three phases, is increasing temperature and pressure, constant temperature and pressure and decrease temperature and pressure successively; Pressure rises to 1.0MPA by 0MPA in the process of increasing temperature and pressure, and this time in stage is 4 hours, and the pressure in the constant temperature and pressure process is 0.90MPA-1.0MPA, and the time is 12 hours, and the pressure in the decrease temperature and pressure process is reduced to 0MPA by 1.0MPA, and the time is 2 hours.
Step 2. in forming tube be 0.5MPA-0.7MPA to the pressure of material.Step 3. the height of Parma heap be 360-400mm.Decide according to the thickness of slab in the first foster time of step described in 5., slab thickness is during less than 8mm, and the time of resting is 16 hours, and slab thickness is during more than or equal to 8mm, and the time of resting is 12 hours.Step 7. in, after 12 hours constant temperature and pressure maintenance finishes, carry out earlier 1 hour from the pressurize maintenance, and then carry out the decrease temperature and pressure maintenance and handle.Before 4. step begins after 3. step finishes, with material limit and the defective slab feed back under the 3. middle cutting of step.
The match ratio of raw material of the present invention draws through repetition test, and its sheet material combination property of making is better, has good X-ray-preventing radiation function, can be widely used in the multiple fields such as building, military affairs, medical science, generating plant or nuclear facilities.
Embodiment
Method for making of the present invention is, the described weight portion meter match ratio of foundation: silica flour 1-5 part, flyash 2-8 part, fortifying fibre 3-10 part, sulphate aluminium cement 6-15 part, barium sulphate 65-80 part, zinc powder 5-10 part, sodium silicate 3-5 part, and according to the preparation method of X ray decorated board for shielding of the present invention, concrete manufacture process is as follows:
1. slurrying: a, each raw material is put into refiner add water and stirred 25 minutes, the mass percent concentration that guarantees slurry is 30-35%, above-mentioned each material fiting ratio is: silica flour 1-5 part, flyash 2-8 part, fortifying fibre 3-10 part, sulphate aluminium cement 6-15 part, barium sulphate 65-80 part, zinc powder 5-10 part, sodium silicate 3-5 part; Leave standstill after b, refiner are spared the raw material stirring all and obtained slip in 15 minutes.
2. moulding: a, pour slip into dilution trap, in dilution trap, add water, slip is diluted to mass percent concentration 6-10%, from slip, pass, utilize the absorption of woollen blanket and filtration that material is sticked on the woollen blanket with the thin woollen blanket of annular; B, the material on the woollen blanket is pushed by multiple pressure roller, the gained material is carried out repeatedly vacuum dehydration, material after the dehydration is wrapped on the forming tube continuously, and forming tube cooperates with pressure roller the multilayer dose compacting on it, reaches to set thickness and shut down and promptly get material base;
3. stacking: earlier that the cutting of limit in length and breadth of material base is neat, the material base after will cut more neatly overlays on the backing plate, and sign indicating number becomes the buttress heap, and the height that buttress is piled is 360-400mm;
4. pressurization: stacking is applied the pressure of 30-35MPa, suppressed 15-30 minute, the material base that is stacked together is pressed into slab;
5. preliminary maintenance: the slab of compression moulding was left standstill 12-16 hour, and the described time of just supporting can decide according to the thickness of slab, and slab thickness is during less than 8mm, and the time of resting is 16 hours, and slab thickness is during more than or equal to 8mm, and the time of resting is 12 hours;
6. the demoulding: earlier with the vacuum cup demoulding of the slab after the preliminary maintenance, again slab is deposited on the maintenance dividing plate with holes, placed 0.5-1 hour;
7. steam-cured: the slab after the demoulding is put into still kettle slab is carried out maintenance, maintenance processes is divided into three phases, is increasing temperature and pressure, constant temperature and pressure and decrease temperature and pressure successively; Pressure rises to 1.0MPA by 0MPA in the process of increasing temperature and pressure, and this time in stage is 4 hours, and the pressure in the constant temperature and pressure process is 0.90MPA-1.0MPA, and the time is 12 hours, and the pressure in the decrease temperature and pressure process is reduced to 0MPA by 1.0MPA, and the time is 2 hours.Be to strengthen the combination property of sheet material, after 12 hours constant temperature and pressure maintenances finish, can carry out earlier 1 hour from the pressurize maintenance, and then carry out the decrease temperature and pressure maintenance and handle.Before 4. step begins after 3. step finishes, with material limit and the defective slab feed back under the 3. middle cutting of step.
Fortifying fibre of the present invention can be fibrous asbestos, reinforcing glass fiber or aramid fiber.
The present invention can adopt the material fiting ratio of following weight portion meter to become sheet material through processing and manufacturing, and still, the present invention is not limited in the scope of following embodiment.
1, silica flour 2,5 parts in flyash, 9 parts of fortifying fibres, 7 parts of sulphate aluminium cements, 68 parts in barium sulphate, 5 parts of zinc powders, 4 parts of sodium silicate.
2,2 parts of silica flours, 4 parts in flyash, 10 parts of fibrous asbestoss, 6 parts of sulphate aluminium cements, 70 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.
3, silica flour is 1 part, 2 parts in flyash, 3 parts of reinforcing glass fibers, 6 parts of sulphate aluminium cements, 80 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.
4, silica flour is 5 parts, 3 parts in flyash, 6 parts of fibrous asbestoss, 15 parts of sulphate aluminium cements, 60 parts in barium sulphate, 7 parts of zinc powders, 4 parts of sodium silicate.
5, silica flour is 3 parts, 8 parts in flyash, 5 parts of fibrous asbestoss, 10 parts of sulphate aluminium cements, 65 parts in barium sulphate, 6 parts of zinc powders, 3 parts of sodium silicate.
6, silica flour is 4 parts, 2 parts in flyash, 3 parts of fibrous asbestoss, 8 parts of sulphate aluminium cements, 75 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.
7, silica flour is 1 part, 2 parts in flyash, 7 parts of fibrous asbestoss, 12 parts of sulphate aluminium cements, 63 parts in barium sulphate, 10 parts of zinc powders, 5 parts of sodium silicate.
8, silica flour is 1 part, 4 parts in flyash, 4 parts of fibrous asbestoss, 14 parts of sulphate aluminium cements, 60 parts in barium sulphate, 8 parts of zinc powders, 3 parts of sodium silicate, 6 parts of AC initiating agents.
9, silica flour is 1 part, 2 parts in flyash, 8 parts of fibrous asbestoss, 13 parts of sulphate aluminium cements, 64 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate, 4 parts of AC initiating agents.
10, silica flour is 1 part, 2 parts in flyash, 4 parts of fibrous asbestoss, 9 parts of sulphate aluminium cements, 66 parts in barium sulphate, 9 parts of zinc powders, 4 parts of sodium silicate, 5 parts of AC initiating agents.
Make sheet material with the also available known fiber reinforced calcium silicate board production technology of above-mentioned feed composition.
Sodium silicate in the raw material can play in slurry and make the finely dispersed effect of each material in the slurry, makes each mixing of materials more even.Zinc powder can produce gas under the weak base environment of slurry, have the part bubble to exist in the sheet material of making thereby make, thereby, can improve the heat preservation and soundproof effect of sheet material, and the AC initiating agent can improve the foaming probability of zinc.
The addition content of barium sulphate will be controlled at 70-80 part in the X ray decorated board for shielding of the present invention, under the certain prerequisite of sheet metal thickness, the addition content of barium sulphate is more little, its shielding property is low more, addition content is high more, and when addition content during less than 70 parts, the performance of the X-ray-preventing of sheet material almost can't embody, but work as addition content and surpass 80 parts, the quality of its sheet material can be had a greatly reduced quality.
After tested, material fiting ratio is that the thick X ray decorated board for shielding of 10mm of 2 parts of silica flours, 4 parts in flyash, 10 parts of fibrous asbestoss, 6 parts of sulphate aluminium cements, 70 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate is equivalent to the 0.9mm lead equivalent to the decay of X ray, timber intensity is 12 MPas, and water-intake rate is 22%.
Material fiting ratio is 1 part of a silica flour, 2 parts in flyash, 3 parts of reinforcing glass fibers, 6 parts of sulphate aluminium cements, 80 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate, the thick X ray decorated board for shielding of 10mm is equivalent to the 1.1mm lead equivalent to the decay of X ray, timber intensity is 10 MPas, and water-intake rate is 20%.
Claims (10)
1.X the alpha ray shield decorative panel is characterized in that: comprise the raw material of following weight parts meter, silica flour 1-5 part, flyash 2-8 part, fortifying fibre 3-10 part, sulphate aluminium cement 6-15 part, barium sulphate 65-80 part, zinc powder 5-10 part, sodium silicate 3-5 part.
2. X ray decorated board for shielding according to claim 1 is characterized in that: its material fiting ratio in weight portion is 2 parts of silica flours, 4 parts in flyash, 10 parts of fortifying fibres, 6 parts of sulphate aluminium cements, 70 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.
3. X ray decorated board for shielding according to claim 1 is characterized in that: its material fiting ratio in weight portion is 1 part of a silica flour, 2 parts in flyash, 3 parts of fortifying fibres, 6 parts of sulphate aluminium cements, 80 parts in barium sulphate, 5 parts of zinc powders, 3 parts of sodium silicate.
4. X ray decorated board for shielding according to claim 1 is characterized in that: it is to also have AC initiating agent 4-6 part in the material fiting ratio of weight portion.
5. the preparation method of the described X ray decorated board for shielding of claim 1 is characterized in that: may further comprise the steps:
1. slurrying: a, silica flour, sulphate aluminium cement, fortifying fibre, barium sulphate, flyash, zinc powder and sodium silicate are put into refiner by the described match ratio of claim 1 add water and stirred 25 minutes, guarantee that the mass percent concentration of slurry is 30-35%; Leave standstill after b, refiner are spared the raw material stirring all and obtained slip in 15 minutes.
2. moulding: a, pour slip into dilution trap, in dilution trap, add water, slip is diluted to mass percent concentration 6-10%, from slip, pass, utilize the absorption of woollen blanket and filtration that material is sticked on the woollen blanket with the thin woollen blanket of annular; B, the material on the woollen blanket is pushed by multiple pressure roller, the gained material is carried out repeatedly vacuum dehydration, material after the dehydration is wrapped on the forming tube continuously, and forming tube cooperates with pressure roller the multilayer dose compacting on it, reaches to set thickness and shut down and promptly get material base;
3. stacking: earlier that the cutting of limit in length and breadth of material base is neat, the material base after will cut more neatly overlays on the backing plate, and sign indicating number becomes buttress to pile;
4. pressurization: stacking is applied the pressure of 30-35MPa, suppressed 15-30 minute, the material base that is stacked together is pressed into slab;
5. preliminary maintenance: the slab of compression moulding was left standstill 12-16 hour;
6. the demoulding:, again slab is deposited on the maintenance dividing plate with holes earlier with the vacuum cup demoulding of the slab after the preliminary maintenance;
7. steam-cured: the slab after the demoulding is put into still kettle slab is carried out maintenance, maintenance processes is divided into three phases, is increasing temperature and pressure, constant temperature and pressure and decrease temperature and pressure successively; Pressure rises to 1.0MPA by 0MPA in the process of increasing temperature and pressure, and this time in stage is 4 hours, and the pressure in the constant temperature and pressure process is 0.90MPA-1.0MPA, and the time is 12 hours, and the pressure in the decrease temperature and pressure process is reduced to 0MPA by 1.0MPA, and the time is 2 hours.
6. the preparation method of X ray decorated board for shielding according to claim 5 is characterized in that: step 2. in forming tube be 0.5MPA-0.7MPA to the pressure of material.
7. the preparation method of X ray decorated board for shielding according to claim 5 is characterized in that: step 3. the height of Parma heap be 360-400mm.
8. the preparation method of X ray decorated board for shielding according to claim 5, it is characterized in that: decide according to the thickness of slab in the first foster time of step described in 5., slab thickness is during less than 8mm, and the time of resting is 16 hours, slab thickness is during more than or equal to 8mm, and the time of resting is 12 hours.
9. the preparation method of X ray decorated board for shielding according to claim 5 is characterized in that: step 7. in, after 12 hours constant temperature and pressure maintenance finishes, carry out earlier 1 hour from the pressurize maintenance, and then carry out the decrease temperature and pressure maintenance and handle.
10. the preparation method of X ray decorated board for shielding according to claim 5 is characterized in that: before 4. step begins after 3. step finishes, with material limit and the defective slab feed back under the 3. middle cutting of step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100148578A CN101546616B (en) | 2009-05-04 | 2009-05-04 | Decorated board for shielding X ray and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100148578A CN101546616B (en) | 2009-05-04 | 2009-05-04 | Decorated board for shielding X ray and its manufacture method |
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| Publication Number | Publication Date |
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| CN101546616A CN101546616A (en) | 2009-09-30 |
| CN101546616B true CN101546616B (en) | 2010-09-22 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844908B (en) * | 2010-05-20 | 2012-11-14 | 济南平安环保设备有限公司 | Leadless X-ray protection plate and preparation method thereof |
| CN102184752B (en) * | 2011-02-28 | 2012-12-12 | 广州筑美建材有限公司 | Ionizing ray shielding protective plate and manufacturing method thereof |
| CN102945687A (en) * | 2012-08-21 | 2013-02-27 | 曾小荣 | Ionization ray shielding protection plate and manufacture method thereof |
| CN106182340A (en) * | 2015-05-05 | 2016-12-07 | 合肥四达环境系统工程科技有限公司 | Radiation protection board |
| TWI552164B (en) * | 2015-05-29 | 2016-10-01 | 行政院原子能委員會核能研究所 | Method for x-ray shielding material |
| CN105604353B (en) * | 2016-02-22 | 2019-02-15 | 西安航天神舟建筑设计院有限公司 | X-ray radiation shields building |
| CN105799269A (en) * | 2016-03-17 | 2016-07-27 | 合肥晨煦信息科技有限公司 | Novel anti-radiation compound material |
| CN110156412B (en) * | 2019-06-05 | 2020-06-12 | 山东鲁泰建材科技集团有限公司 | Perforated back plate and preparation method thereof |
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Effective date of registration: 20181226 Address after: 271600 East of Kanghui Street, Feicheng High-tech Industrial Development Zone, Taian City, Shandong Province Patentee after: Shandong Wall Building Materials Technology Co.,Ltd. Address before: 271600 East of Kanghui Street, Feicheng High-tech Industrial Development Zone, Taian City, Shandong Province Patentee before: Feicheng debel Building Materials Technology Co.,Ltd. |
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Effective date of registration: 20190111 Address after: 271608 Muzhuang Village, Wang Guadian Street Office, Feicheng City, Tai'an City, Shandong Province Patentee after: SHANDONG LUTAI BUILDING INDUSTRIALIZATION MATERIAL Co.,Ltd. Address before: 271600 East of Kanghui Street, Feicheng High-tech Industrial Development Zone, Taian City, Shandong Province Patentee before: Shandong Wall Building Materials Technology Co.,Ltd. |
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Denomination of invention: X-ray shielding decorative plate and its preparation method Effective date of registration: 20210629 Granted publication date: 20100922 Pledgee: Taian Bank Co.,Ltd. Feicheng Branch Pledgor: SHANDONG LUTAI BUILDING INDUSTRIALIZATION MATERIAL Co.,Ltd. Registration number: Y2021980005468 |
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Denomination of invention: X-ray shielding decorative board and its preparation method Effective date of registration: 20220622 Granted publication date: 20100922 Pledgee: Taian Bank Co.,Ltd. Feicheng Branch Pledgor: SHANDONG LUTAI BUILDING INDUSTRIALIZATION MATERIAL Co.,Ltd. Registration number: Y2022980008520 |
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