CN103525153B - Radiation-proof putty powder and preparation method thereof - Google Patents
Radiation-proof putty powder and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to building coating field, particularly a kind of Radiation-proof putty powder and preparation method thereof; Described Radiation-proof putty powder, it is made up of the raw material of following weight proportioning: calcium carbonate: 50-90 part, white cement: 5-40 part, porous-starch: 1.0-5.0 part, diatomite: 1.0-5.0 part, nanometer ultramicron powder: 1.0-5.0 part, hydrophober: 0.1-1.0 part, Mierocrystalline cellulose: 0.1-1.0 part, rubber powder: 0.1-1.0 part, lignocellulose: 0.1-1.0 part; Described nanometer ultramicron powder adopts by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the metal oxide nano ultramicron powder that the weight proportion of 1-15 part prepares; The present invention has good adsorptivity, shielding and non-resistance, can be played effective anti-electrostatic radiation, every ultraviolet and infrared effect, greatly be improved radiation protection, prevent the harm of Radiation On Human body by above-mentioned comprehensive action.
Description
Technical field
The invention belongs to building coating field, particularly a kind of Radiation-proof putty powder and preparation method thereof.
Background technology
Along with the continuous progress of human society, the various electrical equipment that can discharge very large radiation, as mobile phone, TV, computer, microwave oven etc. have generally entered our life.
Although the pollution of electromagnetic radiation we cannot see and can not touch, self-evident to our body harm, mainly affect the nerves system, cardiovascular systems, immunity system, eyes and reproductive system.
The harm of electromagnetic radiation can make people occur: the symptoms such as dizzy, headache, tired, absent minded, hypomnesis, insomnia, palpitaition, uncomfortable in chest, dry mouth and tougue, body's immunity decline, cataract, woman in menstrual period imbalance, sexual function reduction.
And we all inside house most of the time, accept the harm of various electrical equipment radiation.Therefore, in succession developing much can radiation-resistant emulsion paint, and for house decoration.And putty powder is the dirt settling of coating, if can a kind of Radiation-proof putty powder be developed, better plays radiation-resistant effect and function, play the effect of double insurance, so just can reduce the harm of radiation to our human body further.Therefore, develop a kind of Radiation-proof putty powder and there is very large realistic meaning.
The patent No. be 201010526938.9 Chinese patent disclose a kind of radioprotective putty powder and its production and use, described radioprotective putty powder is made up of ground barium sulfate, konilite and limestone powder, and its radiation-resistant principle utilizes ground barium sulfate to play shielding effect to radioactive substance.
This method deposits shortcoming both ways: one, be merely able to shield the radiation of radioactive substance, but can not the radiation of Adsorption of Radioactive material, does not have other auxiliary raw materials, two, can not form conducting film to realize high-transmission rate and anti-static electrification.
Summary of the invention
The object of the present invention is to provide a kind of radioprotective putty powder and preparation method thereof, described radioprotective putty powder has good adsorptivity, shielding and non-resistance, effective anti-electrostatic radiation can be played, every ultraviolet and infrared effect by above-mentioned comprehensive action, greatly improve radiation protection, prevent the harm of Radiation On Human body.
Technical solution of the present invention is as follows:
One) scheme one: a kind of Radiation-proof putty powder, is characterized in that: it is made up of the raw material of following weight proportioning:
Described nanometer ultramicron powder adopts by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the metal oxide nano ultramicron powder that the weight proportion of 1-15 part prepares.The particle size range of prepared metal oxide nano ultramicron powder is substantially between 15-60nm.Described nanometer ultramicron powder is a kind of multi-functional electro-conductive material, has the characteristic that high conductivity, light-coloured transparent, weather resisteant, radioresistance etc. are excellent, can dispersed electrical-conductive nanometer ultramicron SnO
2and Sb
2o
3interaction form conducting film, thus utilize electric charge in conducting film to move to realize high-transmission rate and anti-electrostatic radiation.
Described calcium carbonate can adopt the product of 250-500 order calcite micro mist or other models similar.
Described white cement adopt label be 32.5 or 42.5 silicate cement, ordinary Portland cement, Portland fly ash cement, any one or any two or more any mixture in composite Portland cement or Portland pozzolana cement, its minimum whiteness is not less than 87 degree.
Porous-starch has another name called micropore starch, it is a kind of novel modified starch, it be there is uncooked amylum enzyme activity enzyme at the porousness cellular products formed lower than acting on uncooked amylum under gelatinization point, there is good adsorptivity, therefore can play good adsorption to radiation.
Described diatomite, as electromagnetic absorption agent, can play direct adsorption to hertzian wave.
Described hydrophober can adopt the product of polysiloxane powder hydrophober or other models similar.
Described Mierocrystalline cellulose can adopt the product of hydroxypropylcellulose or other models similar.
Described rubber powder is a kind of natural polymers, belongs to pure environmental type product.
Described lignocellulose is the highly purified technical fiber of high quality of a kind of booster action and stabilization.
Two) scheme two: the preparation method of Radiation-proof putty powder described in scheme one, prepare in accordance with the following methods:
50-90 part calcium carbonate, 5-40 part white cement, 1.0-5.0 part porous-starch, 1.0-5.0 part diatomite, 1.0-5.0 part nanometer ultramicron powder, 0.1-1.0 part hydrophober, 0.1-1.0 part Mierocrystalline cellulose, 0.1-1.0 part rubber powder and 0.1-1.0 part lignocellulose are added in mixing vessel, under 1500-3000r/min rotating speed, mix 10-60min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron powder is by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the weight proportion of 1-15 part is prepared by anti-phase co-electrodeposition method, and concrete preparation method comprises following step of sequentially carrying out:
(1) by 1-10 part SnO
2with 0.5-5 part Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.5-2mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 8.5-9.5;
(3) under 2000-3000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 8.5-9.5;
(4) then under 2000-3000r/min rotating speed stirs, disperse 1-2h, be then precipitated thing by washing and suction filtration, this throw out is dried at 60-85 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 50-70min with 1-15 part ground barium sulfate is warm altogether at 400-600 DEG C, namely obtain nanometer ultramicron powder.
Compared to prior art, the present invention has the following advantages:
(1) the radioprotective putty powder prepared by the present invention is a kind of material combining adsorptivity, shielding and non-resistance, effective anti-electrostatic radiation can be played, every ultraviolet and infrared effect by above-mentioned synergy, therefore radioprotective putty powder of the present invention not only has radiation protection, and successful;
(2) production technique of the present invention is simple, and construction is normal, and nontoxic, and environmental-protecting performance is high.
Embodiment
Below in conjunction with embodiment, embodiment and experimental result, content of the present invention is described in detail:
(1) embodiment
The specific embodiment of the invention provides a kind of Radiation-proof putty powder, it is characterized in that: it is made up of the raw material of following weight proportioning:
Described nanometer ultramicron powder adopts by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the metal oxide nano ultramicron powder that the weight proportion of 1-15 part is prepared by anti-phase co-electrodeposition method.The particle size range of described metal oxide nano ultramicron powder is 15-60nm.
The preparation method of above-mentioned Radiation-proof putty powder, is characterized in that: prepare in accordance with the following methods:
50-90 part calcium carbonate, 5-40 part white cement, 1.0-5.0 part porous-starch, 1.0-5.0 part diatomite, 1.0-5.0 part nanometer ultramicron powder, 0.1-1.0 part hydrophober, 0.1-1.0 part Mierocrystalline cellulose, 0.1-1.0 part rubber powder and 0.1-1.0 part lignocellulose are added in mixing vessel, under 1500-3000r/min rotating speed, mixes 10-60min.
Described nanometer ultramicron powder is by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the weight proportion of 1-15 part is prepared by anti-phase co-electrodeposition method, and concrete preparation method comprises following step of sequentially carrying out:
(1) by 1-10 part SnO
2with 0.5-5 part Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.5-2mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 8.5-9.5;
(3) under 2000-3000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 8.5-9.5;
(4) then under 2000-3000r/min rotating speed stirs, disperse 1-2h, be then precipitated thing by washing and suction filtration, this throw out is dried at 60-85 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 50-70min with 1-15 part ground barium sulfate is warm altogether at 400-600 DEG C, namely obtain nanometer ultramicron powder.
(2) embodiment
Embodiment 1
Radiation-proof putty powder, it is made up of the raw material of following weight proportioning:
The preparation method of above-mentioned Radiation-proof putty powder, prepares in accordance with the following methods:
70 parts of calcium carbonate, 20 parts of white cements, 2.0 parts of porous-starchs, 2.0 parts of diatomite, 3.0 parts of nanometer ultramicron powders, 0.5 part of hydrophober, 1.0 parts of Mierocrystalline celluloses, 1.0 parts of rubber powders and 0.5 part of lignocellulose are added in mixing vessel, under 1500r/min rotating speed, mix 60min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron raw powder's production technology, comprises following step of sequentially carrying out:
(1) by 10 parts of SnO
2with 5 parts of Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 2mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 8.5;
(3) under 2000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant in 8.5;
(4) then under 2000r/min rotating speed stirs, disperse 2h, be then precipitated thing by washing and suction filtration, this throw out is dried at 85 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 70min with 15 parts of ground barium sulfates are warm altogether at 400 DEG C, namely obtain nanometer ultramicron powder.
Embodiment 2
Radiation-proof putty powder, it is made up of the raw material of following weight proportioning:
The preparation method of above-mentioned Radiation-proof putty powder, prepares in accordance with the following methods:
50 parts of calcium carbonate, 35 parts of white cements, 3.0 parts of porous-starchs, 3.0 parts of diatomite, 5.0 parts of nanometer ultramicron powders, 1.0 parts of hydrophober, 1.0 parts of Mierocrystalline celluloses, 1.0 parts of rubber powders and 1.0 parts of lignocelluloses are added in mixing vessel, under 3000r/min rotating speed, mix 15min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron raw powder's production technology, comprises following step of sequentially carrying out:
(1) by 1 part of SnO
2with 0.5 part of Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.5mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 9.0;
(3) under 2500r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 9.0;
(4) then under 2500r/min rotating speed stirs, disperse 1.5h, be then precipitated thing by washing and suction filtration, this throw out is dried at 60 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 60min with 1 part of ground barium sulfate is warm altogether at 500 DEG C, namely obtain nanometer ultramicron powder.
Embodiment 3
Radiation-proof putty powder, it is made up of the raw material of following weight proportioning:
The preparation method of above-mentioned Radiation-proof putty powder, prepares in accordance with the following methods:
90 parts of calcium carbonate, 5 parts of white cements, 1.0 parts of porous-starchs, 1.0 parts of diatomite, 2.5 parts of nanometer ultramicron powders, 0.1 part of hydrophober, 0.1 part of Mierocrystalline cellulose, 0.2 part of rubber powder and 0.1 part of lignocellulose are added in mixing vessel, under 2500r/min rotating speed, mix 20min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron raw powder's production technology, comprises following step of sequentially carrying out:
(1) by 5 parts of SnO
2with 3 parts of Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 2mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 9.5;
(3) under 3000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 9.5;
(4) then under 3000r/min rotating speed stirs, disperse 1h, be then precipitated thing by washing and suction filtration, this throw out is dried at 70 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 50min with 10 parts of ground barium sulfates are warm altogether at 600 DEG C, namely obtain nanometer ultramicron powder.
Embodiment 4
Radiation-proof putty powder, it is made up of the raw material of following weight proportioning:
The preparation method of above-mentioned Radiation-proof putty powder, prepares in accordance with the following methods:
60 parts of calcium carbonate, 21 parts of white cements, 5.0 parts of porous-starchs, 5.0 parts of diatomite, 5.0 parts of nanometer ultramicron powders, 1.0 parts of hydrophober, 1.0 parts of Mierocrystalline celluloses, 1.0 parts of rubber powders and 1.0 parts of lignocelluloses are added in mixing vessel, under 2100r/min rotating speed, mix 25min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron raw powder's production technology, comprises following step of sequentially carrying out:
(1) by 10 parts of SnO
2with 0.5 part of Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.5mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 9.0;
(3) under 3000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 9.0;
(4) then under 3000r/min rotating speed stirs, disperse 1h, be then precipitated thing by washing and suction filtration, this throw out is dried at 60 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 50min with 1 part of ground barium sulfate is warm altogether at 600 DEG C, namely obtain nanometer ultramicron powder.
Embodiment 5
Radiation-proof putty powder, it is made up of the raw material of following weight proportioning:
The preparation method of above-mentioned Radiation-proof putty powder, prepares in accordance with the following methods:
50 parts of calcium carbonate, 40 parts of white cements, 2.0 parts of porous-starchs, 3.0 parts of diatomite, 5.0 parts of nanometer ultramicron powders, 1.0 parts of hydrophober, 1.0 parts of Mierocrystalline celluloses, 1.0 parts of rubber powders and 1.0 parts of lignocelluloses are added in mixing vessel, under 1800r/min rotating speed, mix 40min, after mixing, get final product bag distribution packaging.
Described nanometer ultramicron raw powder's production technology, comprises following step of sequentially carrying out:
(1) by 6 parts of SnO
2with 2 parts of Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.8mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 9.0;
(3) under 2400r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant in 9.0;
(4) then under 2400r/min rotating speed stirs, disperse 1.5h, be then precipitated thing by washing and suction filtration, this throw out is dried at 70 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 60min with 8 parts of ground barium sulfates are warm altogether at 500 DEG C, namely obtain nanometer ultramicron powder.
The calcium carbonate of above-described embodiment 1-embodiment 5 can adopt the product of 250-500 order calcite micro mist or other models similar;
Described white cement adopt label be 32.5 or 42.5 silicate cement, ordinary Portland cement, Portland fly ash cement, any one or any two or more any mixture in composite Portland cement or Portland pozzolana cement, its minimum whiteness is not less than 87 degree;
Hydrophober can adopt the product of polysiloxane powder hydrophober or other models similar;
Mierocrystalline cellulose can adopt the product of hydroxypropylcellulose or other models similar.
(3) experimental result
Performance test is carried out according to above-described embodiment 1-embodiment 5 pairs of radioprotective putty powder:,
By the relevant regulations of MIL-STD-285:1956 " the electromagnetic shielding environmental attenuation method for electronic test ", carry out in the suction ripple darkroom according to this index formation, need signal source, spectrometer, the equipment such as transmit receive antenna, medium wave, shortwave, ultrashort wave, microwave is adopted to test, as following table the radioprotective putty powder in the present invention by analogue method test:
Can find out that using after common putty pad value decrement on medium wave to microwave frequency band of electromagnetic radiation energy is 2-7dB from upper table test data, decrement is less, does not substantially have radiation proof function; After using the radioprotective putty of embodiments of the invention 1-embodiment 5,27-38dB, 28-41dB, 31-43dB, 33-44dB, 32-41dB are reached to pad value decrement on medium wave to microwave frequency band of electromagnetic radiation energy.
Therefore, through testing identity, above-described embodiment 1-embodiment 5 all can play good radiation resistance.
Above-described embodiment 1-embodiment 5 has the material of adsorptivity, shielding and non-resistance, plays anti-electrostatic radiation, every ultraviolet and infrared effect by synergy; Therefore radioprotective putty powder of the present invention has radiation protection, and successful.
The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (6)
1. a Radiation-proof putty powder, is characterized in that: it is made up of the raw material of following weight proportioning:
Described nanometer ultramicron powder adopts by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the metal oxide nano ultramicron powder that the weight proportion of 1-15 part prepares.
2. Radiation-proof putty powder according to claim 1, is characterized in that: described calcium carbonate adopts 250-500 order calcite micro mist.
3. Radiation-proof putty powder according to claim 1, is characterized in that: described hydrophober adopts polysiloxane powder hydrophober.
4. Radiation-proof putty powder according to claim 1, is characterized in that: described Mierocrystalline cellulose adopts hydroxypropylcellulose.
5. for the preparation of a preparation method for Radiation-proof putty powder according to any one of claim 1-4, it is characterized in that: prepare in accordance with the following methods:
50-90 part calcium carbonate, 5-40 part white cement, 1.0-5.0 part porous-starch, 1.0-5.0 part diatomite, 1.0-5.0 part nanometer ultramicron powder, 0.1-1.0 part hydrophober, 0.1-1.0 part Mierocrystalline cellulose, 0.1-1.0 part rubber powder and 0.1-1.0 part lignocellulose are added in mixing vessel, under 1500-3000r/min rotating speed, mixes 10-60min.
6. the preparation method of Radiation-proof putty powder according to claim 5, is characterized in that: described nanometer ultramicron powder is by SnO
2, Sb
2o
3with ground barium sulfate by 1-10 part: 0.5-5 part: the weight proportion of 1-15 part is prepared by anti-phase co-electrodeposition method, and concrete preparation method comprises following step of sequentially carrying out:
(1) by 1-10 part SnO
2with 0.5-5 part Sb
2o
3add in container, drip concentrated nitric acid in a reservoir, until SnO
2and Sb
2o
3dissolve completely, obtain containing Sn
4+and Sb
3+the solution A of ion;
(2) strong aqua is made into the ammonia soln B of 1.5-2mol/L, and gets the ammonia soln B for preparing of part and be mixed with the adjustment reaction liquid C that pH is 8.5-9.5;
(3) under 2000-3000r/min rotating speed stirs, solution A is added drop-wise in ammonia soln B, and adjustment reaction liquid C is added drop-wise in the mixed solution of ammonia soln B and solution A, regulate the pH value of mixed solution constant between 8.5-9.5;
(4) then under 2000-3000r/min rotating speed stirs, disperse 1-2h, be then precipitated thing by washing and suction filtration, this throw out is dried at 60-85 DEG C, namely obtain the mixing first product of stannic hydroxide and antimony hydroxide;
(5) the mixing first product of stannic hydroxide and antimony hydroxide is mixed 50-70min with 1-15 part ground barium sulfate is warm altogether at 400-600 DEG C, namely obtain nanometer ultramicron powder.
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| CN104893393A (en) * | 2015-05-29 | 2015-09-09 | 柳州普亚贸易有限公司 | Preparation method of radiation-resistant putty powder |
| CN104877426A (en) * | 2015-05-29 | 2015-09-02 | 柳州普亚贸易有限公司 | Radiation-preventive putty powder |
| CN105542543A (en) * | 2016-01-20 | 2016-05-04 | 广西丛欣实业有限公司 | Radiation-proof putty powder |
| CN105694576A (en) * | 2016-05-04 | 2016-06-22 | 王维娜 | Radiation-resistant modified putty powder and preparation method and application thereof |
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| CN108822608A (en) * | 2018-07-11 | 2018-11-16 | 合肥择浚电气设备有限公司 | A kind of freeze proof putty powder for exterior wall of high temperature resistant |
| CN114163849A (en) * | 2021-12-08 | 2022-03-11 | 上海净颖环保科技股份有限公司 | Environment-friendly composite coating for buildings and preparation method thereof |
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| CN101942237A (en) * | 2010-09-13 | 2011-01-12 | 戚长明 | Multifunctional putty |
| CN101948641A (en) * | 2010-11-01 | 2011-01-19 | 贵阳超群实业有限公司 | Radiation-proof putty powder and preparation method and application thereof |
| CN102702826A (en) * | 2012-06-12 | 2012-10-03 | 天长市巨龙车船涂料有限公司 | Antibacterial negative ion putty powder |
| CN103131326A (en) * | 2013-02-22 | 2013-06-05 | 广西标牌化学科技有限公司 | Preparation method of anti-radiation paint |
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| CN103525153A (en) | 2014-01-22 |
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