CN101696329B - Anti-electromagnetic radiation emulsion paint and preparation method thereof - Google Patents
Anti-electromagnetic radiation emulsion paint and preparation method thereof Download PDFInfo
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- CN101696329B CN101696329B CN200910208578.5A CN200910208578A CN101696329B CN 101696329 B CN101696329 B CN 101696329B CN 200910208578 A CN200910208578 A CN 200910208578A CN 101696329 B CN101696329 B CN 101696329B
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Abstract
The invention discloses anti-electromagnetic radiation emulsion paint and a preparation method thereof. The anti-electromagnetic radiation emulsion paint consists of an aqueous potassium silicate solution, a dispersant, a defoaming agent, bentonite, silicon dioxide, titanium pigment, a crylic acid emulsion, a preservative, a thickening agent, zinc oxide whisker, nanometer nickel powder, and nanometer carborundum. A product has the following advantages that: the product selects an aqueous anti-electromagnetic radiation paint system, has good environmentally-friendly property, does not contain barium salt and other heavy metals and epoxy resin and other oily solvent materials and has low smell and small influence on human body and environment; the product adopts the zinc oxide whisker, the nanometer nickel powder, the nanometer carborundum and other anti-electromagnetic radiation main materials and has high absorptivity on clutter of electromagnetic waves and wide absorption band; and the product has simple and convenient construction and can be mixed into various colors according to requirements.
Description
Technical field
The present invention relates to a kind of general anti-electromagnetic radiation emulsion paint of interior exterior wall that is applied to buildings and preparation method thereof, is specially a kind of anti-electromagnetic radiation emulsion paint and preparation method thereof.
Technical background
Development along with science and technology drive electronic product, electromagnetic radiation from environment is the novel source of pollution that have larger hazardness and be difficult for protection after topsoil, water pollution and noise pollution, by people, be called " stealthy killer ", the mankind's survival and development have been formed to harm to a certain degree.Long Term Contact electromagnetic radiation meeting make people's headache, eyesight weaken, tired weak, have aches in the limbs, palpitaition, insomnia, lower immune function, bring out canceration etc.Electromagnetic radiation pollution has become social effects of pollution, causes the enough attention of developed country in the world, and anti-electromagnetic pollution also becomes an important topic of society research.
Anti-electromagnetic radiation metallic substance ZnOw (Zinc Oxide Whiskers is called for short ZnOw), has excellent function at aspects such as inhaling ripple, noise reduction and damping.It is the single crystal of zinc oxide, is three-dimensional four needle-likes, and between adjacent needles, angle is 109 °.The matrix material being comprised of it is isotropy, performance is much better than the matrix material being comprised of single fibrous crystalline form, under electromagnetic microwave energy irradiates, there is great activity, can make molecule, electron motion aggravation, promote magnetization, polarization and conduction motion, make electromagnetic energy be converted into heat energy, thereby play anti-electromagnetic radiation function.
Nano wave-absorbing material more shows the superiority of its uniqueness aspect anti-electromagnetic radiation: its quality is light, thin thickness, absorption band is wide, receptivity is strong, has met novel wave-absorbing material requirement.Mainly comprise the materials such as nanometer silicon carbide, nano metal nickel powder.Wherein nanometer silicon carbide as electromagnetic radiation wave absorbing agent not only have certain absorbing property,, also have high temperature resistant, relative density is little, resistivity advantages of higher.After nanometer silicon carbide and magnetic Nano agent (as nano metal nickel powder) are compound, wave-absorbing effect can also be significantly high.Nano metal nickel powder has good electroconductibility and magnetic diffusivity, and resistance of oxidation is very strong, especially at high band, has good shield effectiveness, and screen effect effect reaches 30～50dB.Adopt mixed this kind of antiradiation material of the filling things such as nano metal nickel powder more in concrete at present, makes its exhibition cover effect and obtains reflection loss more than 10dB in VHF frequency range.And the large volume barite of general use (is greater than 70% in national defence and nuclear industry, make slurry aggregate) and macromolecular material (as pitch, dosage is greater than 10%) through complicated multilayer constructional method, layer of slurry thickness in national defence and nuclear engineering reaches several centimetres to tens of centimetres, use cost is high, is mainly used in high radioactivity buildings, hypogee, tunnel, mine, nuclear power plant and chemical industry.The patent No.: 200510025369.9, a kind of anti-radiative epoxy resin lawn pigment; Although it is good that it has radiation-proof effect, it is solvent-type double-component coating, and the feature of environmental protection is poor, cannot construct in its facade and roof.Number of patent application: 200410013678.X, a kind of for X, the radiation proof radiation shielding coating in Γ ray working space; The main base-material of radioprotective that it adopts barium salt, silica powder, red iron oxide and calcium carbonate to form, the caking agent being comprised of cement and organic polyester tackiness agent belongs to putty type multi-component coating, and construction is used inconvenient, is not easy to for surface decoration and toning simultaneously.On existing buildings, the various performance index of electromagnetic radiation preventing paint are perfect not enough, and scope also not extensively, cost is also quite expensive.For the deficiency of current electromagnetic radiation preventing paint, the water-based electromagnetic radiation preventing paint of a kind of green of development research, safety, environmental protection has vast potential for future development, especially to there being the lower cost materials of certain protection effect, and the research emphasis of various countries especially.
Summary of the invention
A kind of anti-electromagnetic radiation emulsion paint of the present invention, selects aqueous coating system, and the feature of environmental protection is good; Employing has the ZnOw, nanometer silicon carbide, nano metal nickel powder of good anti-electromagnetic radiation function as main antiradiation material, by optimization of C/C composites technique, manufactures.A kind of anti-electromagnetic radiation emulsion paint formula of the present invention is as follows by weight ratio:
Potassium silicate aqueous solution 25～35
Dispersion agent 0.2～0.5
Defoamer 0.2～0.4
Wilkinite 0.3～0.6
Silicon-dioxide 3～8
Titanium dioxide 6～10
ACRYLIC EMULSION 12～18
Sanitas 0.1～0.3
Thickening material 0.2～0.5
ZnOw 15～25
Nano metal nickel powder 6.5～8.0
Nanometer silicon carbide 15～25
Described dispersion agent is at least one in the peaceful Dispersant 5040 of section, the chemical industry DA-40 of friendly nation, Clariant KANALENE 92;
Described defoamer is at least one in the peaceful Foamstar 223 of section, the modest Defom W-097 of moral, the SN-DEFOAMER328 of Nuo Pu section;
Described wilkinite is the Attagel 50 of U.S.'s peace lattice;
Described ACRYLIC EMULSION is at least one in ROHM AND HAAS AC-261, national starch 2800, sunrise TBH-1, Bao Lijia BLJ-961;
Described sanitas is at least one in the LXE of Sol Acticde RS, ROHM AND HAAS ROCIMA 551, ROHM AND HAAS;
Described thickening material is at least one in the SN-THICKENER 612 of the peaceful DSX3800 of section, Lockwood OPTIFLO L100, Nuo Puke;
Described ZnOw is the AT-86 of Chengdu National Chiao Tung University Jingyu Technology Co;
Described nano metal nickel powder is Changsha nano Mei Si Materials Co., Ltd high-activity nano nickel powder;
Described nanometer silicon carbide is the nanometer silicon carbide of Hefei Kaier Nano Energy Source Science Co., Ltd.
The preparation method of a kind of anti-electromagnetic radiation emulsion paint of the present invention is as follows:
By weight ratio, potassium silicate aqueous solution is dropped into reactor, under 300-500 rev/min of rotating speed, input dispersion agent, defoamer, sanitas are uniformly dispersed; Under 65 ℃～85 ℃ conditions, be incubated 3～6 hours, obtain modulus level and be 4.9～5.6 the sticky aqueous solution; Under 800～1500 revs/min of rotating speeds, drop into wilkinite, silicon-dioxide, titanium dioxide, disperse 15～45 minutes, under 400～800 revs/min of rotating speeds, input ACRYLIC EMULSION, thickening material are uniformly dispersed, and drop into ZnOw, nano metal nickel powder, nanometer silicon carbide, under 400～800 revs/min, disperse 15～30 minutes, with 80-120 order filter-cloth filtering, obtain finished product.
Products characteristics:
A kind of anti-electromagnetic radiation emulsion paint of the present invention has the following advantages:
1. select water-based electromagnetic radiation preventing paint system, the feature of environmental protection is good, and product is not containing heavy metals such as barium salts, and or not containing oil-based solvent materials such as epoxy resin, smell is not low, little to human body and environmental influence.
2. adopt the anti-electromagnetic radiation main materials such as ZnOw, nano metal nickel powder, nanometer silicon carbide, high to hertzian wave clutter specific absorption, absorption band is wide.
3. construction is simple, convenient, also furnishing shades of colour as required.
Specific embodiments:
Embodiment 1
By weight ratio, by 31.7 parts of input reactors of potassium silicate aqueous solution, under 300 revs/min of rotating speeds, 5,040 0.5 parts of the peaceful Dispersant of input section, 223 0.3 parts of the peaceful Foamstar of section, Sol Acticde RS0.2 part, be uniformly dispersed; Under 65 ℃ of conditions, be incubated 3 hours, obtain modulus level and be 4.9 the sticky aqueous solution; Under 900 revs/min of rotating speeds, drop into 50 0.6 parts of wilkinite Attagel, 5 parts of silicon-dioxide, 8 parts of titanium dioxides, disperse 30 minutes, under 600 revs/min of rotating speeds, drop into 15 parts of ROHM AND HAAS AC-261,0.5 part of the peaceful DSX3800 of section, be uniformly dispersed, drop into 15 parts of ZnOws, 8 parts of nano metal nickel powders, 15 parts of nanometer silicon carbides, under 700 revs/min, disperse 20 minutes, with 100 order filter-cloth filterings, obtain finished product.
Embodiment 2
By weight ratio, by 32.5 parts of input reactors of potassium silicate aqueous solution, under 400 revs/min of rotating speeds, add 0.5 part of the chemical industry DA-40 of friendly nation, 0.3 part of the modest Defom W-097 of moral, 551 0.2 parts of ROHM AND HAAS ROCIMA, be uniformly dispersed; Under 75 ℃ of conditions, react 5 hours, obtain modulus level and be 5.4 the sticky aqueous solution; Under 1000 revs/min of clock rates, drop into 50 0.6 parts of wilkinite Attagel, 6 parts of silicon-dioxide, 6 parts of titanium dioxides, disperse 30 minutes, under 700 revs/min of rotating speeds, drop into 2,800 12 parts of national starch, 612 0.4 parts of the SN-THICKENER of Nuo Pu section, be uniformly dispersed, drop into 15 parts of ZnOws, 8 parts of nano metal nickel powders, 20 parts of nanometer silicon carbides, under 800 revs/min, disperse 15 minutes, with 90 order filter-cloth filterings, get product.
Embodiment 3
By weight ratio, by 30.1 parts of input reactors of potassium silicate aqueous solution, under 500 revs/min of rotating speeds, drop into 92 0.5 parts of Clariant KANALENE, 328 0.3 parts of the SN-DEFOAMER of Nuo Pu section, 0.2 part of ROHM AND HAAS LXE, be uniformly dispersed; Under 85 ℃ of conditions, be incubated 6 hours, obtain modulus level and be 5 the sticky aqueous solution; Under 1400/ minute rotating speed, drop into 50 0.6 parts of wilkinite Attagel, 7 parts of silicon-dioxide, 10 parts of titanium dioxides, disperse 30 minutes, under 800 revs/min of rotating speeds, drop into 18 parts of Bao Lijia BLJ-961,0.3 part of Lockwood OPTIFLO L100, be uniformly dispersed, drop into 10 parts of ZnOws, 8 parts of nano metal nickel powders, 15 parts of nanometer silicon carbides, under 600 revs/min, disperse 25 minutes, with 110 order filter-cloth filterings, get product.
Main raw material(s) title, technical indicator:
1. the peaceful dispersion agent Dispersant 5040 of section
Gu contain (%): 43
2. the peaceful defoamer Foamstar 223 of section
Water content (%): 0-0.5
3. the modest defoamer Defom of moral W-097
Effective constituent (%): 99.5
4. Sol sanitas Acticde RS
Composition: 5-chloro-2-methyl-4-isothiazole-3-position (CIT) and 2-methyl-4-isothiazole-3-position (MIT) mixture
5. ROHM AND HAAS sanitas ROCIMA 551
Composition: methylisothiazolinone and dithio toluyl amine mixt
6. titanium dioxide
Rutile-type, fineness: 800 order-1500 orders
7. ROHM AND HAAS ACRYLIC EMULSION AC-261
Gu contain (%): 52
8. national starch acrylamide yogurt liquid 2800
Gu contain (%): 55
9. the peaceful thickening material DSX3800 of section
Gu contain (%): 33
10. Lockwood thickening material OPTIFLO L100
Gu contain (%): 20
11. ZnOw AT-86
Particle diameter (nm): 5-50
Supplier: Chengdu National Chiao Tung University Jingyu Technology Co
12. nano metal nickel powders
Particle diameter (nm): 20～80
Oxygen level (%): 4
Supplier: Changsha nano Mei Si Materials Co., Ltd
13. nanometer silicon carbides
Particle diameter (micron): 3～50
Supplier: Hefei Kaier Nano Energy Source Science Co., Ltd
14. potassium silicate aqueous solutions
Rank: technical grade
15. wilkinites
Model: Attagel 50
Supplier: U.S.'s peace lattice.
A kind of anti-electromagnetic radiation emulsion paint of the present invention stipulate detection by GB GB18582-2008, GB/T9756-2001, GB/T9755-2001, and its main performance index is as following table:
| Test item | Standard-required | Detected result |
| Volatile organic compounds (VOC)/(g/L) | ≤200 | 20 |
| Free formaldehyde (mg/kg) | ≤0.1 | Do not detect |
| Dissoluble lead (mg/kg) | ≤90 | ＜1.0 |
| Soluble cadmium (mg/kg) | ≤75 | ＜1.0 |
| Soluble chromium (mg/kg) | ≤60 | ＜1.0 |
| Soluble mercury (mg/kg) | ≤60 | Do not detect |
| Condition in container | Without lump, after stirring, be uniform state | Meet |
| Application property | Brush two roads accessible | Meet |
| Water tolerance | 96h is without extremely | By |
| Weathering resistance | 600h without bubbling, peel off, crackle | Meet |
| Low-temperature stability | Never degenerate | Meet |
| Time of drying (surface drying) h | ≤2 | ＜2 |
| Appearance of film | Normally | Meet |
Press MIL-STD-285:1956 < < for the relevant regulations of the electromagnetic shielding environmental attenuation method > > of electronic test, in the suction ripple darkroom according to this index formation, carry out, need signal source, spectrometer, the equipment such as transmit receive antenna, by analogue method, test and adopt medium wave, shortwave, ultrashort wave, microwave to test as following table this kind of radioprotective emulsion paint:
From upper table test data, can find out to use after this radioprotective emulsion paint the pad value of electromagnetic radiation energy is reached to 27～38dB in medium wave to decrement on microwave frequency band.
Claims (10)
1. an anti-electromagnetic radiation emulsion paint, its feature part is: formula is by weight as follows:
2. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described dispersion agent is at least one in the peaceful Dispersant5040 of section, the chemical industry DA-40 of friendly nation, Clariant KANALENE92.
3. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described defoamer is at least one in the peaceful Foamstar223 of section, the modest Defom W-097 of moral, the SN-DEFOAMER328 of Nuo Pu section.
4. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described ACRYLIC EMULSION is at least one in ROHM AND HAAS AC-261, national starch 2800, sunrise TB-1, Bao Lijia BLJ-961.
5. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described sanitas is at least one in the LXE of Sol Acticde RS, ROHM AND HAAS ROCIMA551, ROHM AND HAAS.
6. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described thickening material is at least one in the SN-THICKENER612 of the peaceful DSX3800 of section, Lockwood OPTIFLO L100, Nuo Kepu.
7. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: the AT-86 that described ZnOw is Chengdu National Chiao Tung University Jingyu Technology Co.
8. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: described nano metal nickel powder is Changsha nano Mei Si Materials Co., Ltd high-activity nano nickel powder.
9. a kind of anti-electromagnetic radiation emulsion paint feature part as claimed in claim 1 is: the nanometer silicon carbide that described nanometer silicon carbide is Hefei Kaier Nano Energy Source Science Co., Ltd.
10. the preparation method characteristic part of a kind of anti-electromagnetic radiation emulsion paint as claimed in claim 1 is: by weight ratio, potassium silicate aqueous solution is dropped into reactor, under 300～500 revs/min of rotating speeds, input dispersion agent, defoamer, sanitas are uniformly dispersed; Under 65 ℃～85 ℃ conditions, be incubated 3～6 hours, obtain modulus level and be 4.9～5.6 the thickness aqueous solution; Under 800～1500 revs/min of rotating speeds, drop into wilkinite, silicon-dioxide, titanium dioxide, disperse 15～45 minutes, under 400～800 revs/min of rotating speeds, input ACRYLIC EMULSION, thickening material are uniformly dispersed, and drop into ZnOw, nano metal nickel powder, nanometer silicon carbide, under 400～800 revs/min of rotating speeds, disperse 15～30 minutes, with 80～120 order filter-cloth filterings, obtain finished product.
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| CN200910208578.5A CN101696329B (en) | 2009-10-19 | 2009-10-19 | Anti-electromagnetic radiation emulsion paint and preparation method thereof |
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| CN200910208578.5A CN101696329B (en) | 2009-10-19 | 2009-10-19 | Anti-electromagnetic radiation emulsion paint and preparation method thereof |
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| CN101696329A CN101696329A (en) | 2010-04-21 |
| CN101696329B true CN101696329B (en) | 2014-04-02 |
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| CN104693924A (en) * | 2013-12-07 | 2015-06-10 | 刘波 | Method for producing latex paint |
| CN103642361B (en) * | 2013-12-10 | 2018-07-27 | 北京新立机械有限责任公司 | A kind of Water-soluble nano camouflage paint and preparation method thereof |
| CN104031519A (en) * | 2014-05-12 | 2014-09-10 | 铜陵市超远精密电子科技有限公司 | Electromagnetic-interference-preventing three-proofing lacquer for printed-circuit boards |
| CN105086704A (en) * | 2015-08-28 | 2015-11-25 | 严应倩 | Water-soluble anticorrosive paint and preparing method of water-soluble anticorrosive paint |
| CN105238179A (en) * | 2015-10-19 | 2016-01-13 | 广东三和化工科技有限公司 | Waterborne electromagnetic shielding coating and preparation method thereof |
| CN107384093A (en) * | 2017-08-02 | 2017-11-24 | 合肥东恒锐电子科技有限公司 | A kind of coating for shielding household electrical appliance electromagnetic radiation and preparation method thereof |
| CN107286791A (en) * | 2017-08-09 | 2017-10-24 | 临海市绿邦水性涂料有限公司 | A kind of paint film can be by water paint of magnet adsorption and preparation method thereof |
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| CN1048556A (en) * | 1989-07-05 | 1991-01-16 | 罗姆和哈斯公司 | Cationic latex coating |
| CN1986664A (en) * | 2005-12-19 | 2007-06-27 | 深圳市海川实业股份有限公司 | Water-base reflecting heat-islating paint |
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2009
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048556A (en) * | 1989-07-05 | 1991-01-16 | 罗姆和哈斯公司 | Cationic latex coating |
| CN1986664A (en) * | 2005-12-19 | 2007-06-27 | 深圳市海川实业股份有限公司 | Water-base reflecting heat-islating paint |
Non-Patent Citations (2)
| Title |
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| 刘成楼.耐沾污弹性太阳热反射隔热外墙乳胶漆的研制.《现代涂料与涂装》.2007,第10卷(第06期),21-24. |
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Effective date of registration: 20170321 Address after: 528325 Guangdong City, Shunde Province, the town of District, Foshan Ji industrial zone, South Road, No. 4 Patentee after: Shunde Guangdong Three Chemical Co., Ltd. Address before: 528429 Zhongshan Province, the town of Guangdong Huang Tai Industrial Zone into the main road, Guangdong, No. three and Chemical Technology Co., Ltd., Patentee before: Guangdong Sanhe Chemical Industry Technology Co., Ltd. |