CN107011782A - A kind of indoor radiation shielding coating and preparation method - Google Patents

A kind of indoor radiation shielding coating and preparation method Download PDF

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Publication number
CN107011782A
CN107011782A CN201710459858.8A CN201710459858A CN107011782A CN 107011782 A CN107011782 A CN 107011782A CN 201710459858 A CN201710459858 A CN 201710459858A CN 107011782 A CN107011782 A CN 107011782A
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parts
radiation shielding
shielding coating
mixture
graphene
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史万玲
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Hefei Morning Construction Mstar Technology Ltd
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Hefei Morning Construction Mstar Technology Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004Reflecting paints; Signal paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32Radiation-absorbing paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • C09D7/62Additives non-macromolecular inorganic modified by treatment with other compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2265Oxides; Hydroxides of metals of iron
    • C08K2003/2272Ferric oxide (Fe2O3)
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates
    • C08K2003/3072Iron sulfates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a kind of indoor radiation shielding coating and preparation method, the coating includes the following raw material:Water soluble wax, styrene-acrylic emulsion, aqueous polyurethane, graphene, ferrite powder, barium sulfate, ferric sulfate, paste attapulgite clay, diatomite, defoamer, pigment.Preparation method includes:Aqueous polyurethane and graphene are first modified reaction, water soluble wax and styrene-acrylic emulsion is then added, stirring reaction obtains mixture a1;Ferrite powder, barium sulfate, ferric sulfate are added into mixture a1, mixing shearing obtains mixture a2;Paste attapulgite clay, diatomite, defoamer are added into mixture a2, mixing ultrasound adds pigment, is well mixed, produces the radiation shielding coating.Coating of the present invention has preferable radiation-proof effect, the influence that effectively reduction electromagnetic radiation is caused to health of people, and unleaded addition in the coating, safer.

Description

A kind of indoor radiation shielding coating and preparation method
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of indoor radiation shielding coating and preparation method.
Background technology
With the high speed development of modern science and technology, a kind of invisible, impalpable pollution sources are increasingly subject to the concern of all circles, this Exactly it is known as the electromagnetic radiation of " stealthy killer ".For this good conductor of human body, electromagnetic wave is inevitably constituted A certain degree of harm.
As radioactive ray are in the field extensive use such as health care, defence and military, scientific research, industry, agricultural, particularly X, γ Ray, most ionising radiations is applied as people;Radiotechnology brings huge economic benefit, but the opposing party to society Face, because its energy is high, penetration power is strong, there is different degrees of detrimental effect to human physiological functions;Such as Long Term Contact roentgenogram The symptoms such as skin burn, trichomadesis, lens opacity of eye, white blood cell reduction, hypogona dism occur in the people penetrated;Severe one causes Gene defect and induction cancer;To stop X, gamma-ray radiation, early stage people are protected using stereotype, it is well known that lead matter is soft And poisonous, the easy creep of time length, construction of prevention work program is complicated, expensive;X, gamma-rays have stronger penetration power, and it can be with Through general thickness building masonry wall, ceiling, although radiation intensity has weakened, but still certain prestige is constituted to health and assisted.
Existing radiation shielding coating, filling anti-radiation material containing national standard limit poisonous and harmful substance lead and Its compound, VOC and free formaldehyde;Other filling anti-radiation material, is filled in the middle of wall, is broken Wall complete structure is broken, there is building safety hidden danger, as crack or hole, nothing occur in charges during construction and use Method is by it has been found that with potential hazard.
Therefore, researching and developing one kind has preferable radiation protection, and the indoor coating that again there is safety non-toxic to do harm to has Significance, also complies with the demand of existing market, with preferable application prospect.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of indoor radiation shielding coating and preparation method, The coating has preferable radiation-proof effect, and the electromagnetic radiation that on the one hand can effectively reduce in external environment penetrates building Indoor health of people is impacted, the electromagnetism that the electrical equipment such as indoor tv, computer are discharged on the other hand can be effectively adsorbed Radiation, the living environment for building health for people provides unleaded addition in guarantee, and the coating, safer.
The present invention solves technical problem and adopted the following technical scheme that:
The present invention relates to a kind of indoor radiation shielding coating, include each component of following parts by weight:20 ~ 40 parts of water soluble wax, phenylpropyl alcohol 10 ~ 20 parts of emulsion, 50 ~ 60 parts of aqueous polyurethane, 0.7 ~ 2.2 part of graphene, 3 ~ 9 parts of ferrite powder, 8 ~ 16 parts of barium sulfate, sulfuric acid 3 ~ 8 parts of iron, 10 ~ 15 parts of paste attapulgite clay, 5 ~ 12 parts of diatomite, 2 ~ 5 parts of defoamer, 1 ~ 4 part of pigment.
Preferably, 35 parts of the water soluble wax, 15 parts of styrene-acrylic emulsion, 56 parts of aqueous polyurethane, 1.3 parts of graphene, iron oxygen 8 parts of body powder, 10 parts of barium sulfate, 5 parts of ferric sulfate, 12 parts of paste attapulgite clay, 8 parts of diatomite, 3 parts of defoamer, pigment 3 Part.
Preferably, the paste attapulgite clay is that natural attapulgite clay is purified, modified add water is prepared into Mixture.
Preferably, the water content of the paste attapulgite clay is 50% ~ 70%.
The invention further relates to a kind of method of radiation shielding coating in preparation room, comprise the following steps:
(1)Aqueous polyurethane is weighed respectively according to proportioning and graphene is added in reactor, suitable quantity of water is added, in 60 ~ 80 DEG C Under the conditions of, then 1 ~ 2h of stirring reaction adds water soluble wax and styrene-acrylic emulsion, 30 ~ 60min of stirring reaction into mixture, obtains Mixture a1;
(2)Ferrite powder, barium sulfate, ferric sulfate are added into mixture a1, is well mixed, be subsequently placed in rotating speed for 2000 ~ 10 ~ 20min is sheared in 3000 turns/min cutter, mixture a2 is obtained;
(3)Paste attapulgite clay, diatomite, defoamer are added into mixture a2,5 ~ 10min is stirred, after being well mixed 10 ~ 20min of ultrasound in ultrasonic wave is placed in, then pigment is added to mixture, is well mixed, produces the radiation shielding coating.
Preferably, the step(1)The graphene of middle addition is the concentration of graphene aqueous solution, wherein graphene aqueous solution For 0.3 ~ 0.5g/L.
Preferably, the step(1)The quality of middle addition water is 10 ~ 20 times of polyurethane quality.
Preferably, the step(2)Three is first crushed to grain respectively before middle addition ferrite powder, barium sulfate, ferric sulfate Footpath is less than 300 mesh.
Preferably, the step(3)The preparation method of middle paste attapulgite clay includes:
Take natural attapulgite to carry out being crushed to 200 ~ 300 mesh, add the water of 10 ~ 20 times of attapulgite quality, stirring forms outstanding Mud scum is starched, and takes upper suspension 8 ~ 15min of centrifugal treating in 2000 ~ 3000 turns/min centrifuge, is filtered by vacuum;By filter cake Drying, is subsequently placed in Muffle furnace and is calcined 2 ~ 4h in 800 ~ 900 DEG C of conditions, after cooling, and adding water to be mixed with obtains water content and be 50 ~ 70% paste attapulgite clay.
Preferably, Muffle furnace is by temperature programming to 800 ~ 900 DEG C before the roasting, and programming rate is 20 DEG C/min.
Compared with prior art, the present invention has following beneficial effect:
(1)Indoor radiation shielding coating of the present invention, applied to interior decoration, with preferable radiation-proof effect, one side The electromagnetic radiation that can effectively reduce in external environment penetrates building and indoor health of people is impacted, on the other hand can be with The electromagnetic radiation that effectively electrical equipment such as absorption indoor tv, computer is discharged, the living environment for building health for people is provided Ensure, and unleaded addition in the coating, it is safer, environment will not be polluted, with preferable application value.
(2)Indoor radiation shielding coating of the present invention is added with graphene, first carries out graphene and aqueous polyurethane Modified-reaction, because graphene has lamella conjugated structure, is layering to form the anticorrosive coat of densification, can effectively suppress water pair The infiltration and infiltration of material, so that the modified polymer of graphene is applied to considerably increase the water-fast of film in coating Decay resistance;Further, since graphene excellent mechanical property and chemical stability so that coating have preferably it is wear-resisting, The mechanical property and chemical stability of scratch-resistant, improve the service life of coating, reduce use cost.
(3)The graphene of indoor radiation shielding coating addition of the present invention, because its atomic wts is big, property is stable, energy Play a part of preventing radioactive ray, along with ferrite and barium sulfate, the presence of ferric sulfate so that coating has excellent electromagnetism Shielding action, preferable barrier effect is played to electromagnetic radiation.
(4)Indoor radiation shielding coating of the present invention be added with paste attapulgite clay, with it is preferable viscosity and Plasticity, emulsification rate is higher, saves emulsification production process, reduces production cost, is conducive to the emulsification between raw material and glues Knot so that the coating prepared has higher adhesive property, antistrip performance and preferable waterproof effect, in addition, concavo-convex Rod stone clay unique chain layer structure and larger specific surface area, have certain shielding and suction-operated to electromagnetic radiation.
(5)The preparation technology of indoor radiation shielding coating of the present invention is simple, mild condition, preparation process is pollution-free produce Raw, safety and environmental protection is adapted to industrialization promotion production.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without In limitation the scope of the present invention.The experimental method of unreceipted actual conditions in the following example, generally according to normal condition, for example Sambrook equimoleculars are cloned:Laboratory manual(New York:Cold Spring Harbor Laboratory Press, 1989)Described in condition, or according to the condition proposed by manufacturer.
Embodiment 1:
A kind of indoor radiation shielding coating and preparation method of the preferred embodiment of the present invention;
The indoor radiation shielding coating, is prepared from by each component of following parts by weight:
35 parts of water soluble wax, 15 parts of styrene-acrylic emulsion, 56 parts of aqueous polyurethane, 1.3 parts of graphene, 8 parts of ferrite powder, barium sulfate 10 Part, 5 parts of ferric sulfate, 12 parts of paste attapulgite clay, 8 parts of diatomite, 3 parts of defoamer, 3 parts of pigment.
The paste attapulgite clay is that natural attapulgite clay is purified, the modified mixing being prepared into that adds water The water content of thing, wherein paste attapulgite clay is 60%.
It is due to that it has preferably viscosity and plasticity from paste attapulgite clay, emulsification rate is higher, saves Production process is emulsified, production cost is reduced, is conducive to the emulsification between raw material and bonding so that the coating prepared has Higher adhesive property, antistrip performance and preferable waterproof effect, in addition, the unique chain layer structure of Concave-convex clay rod and Larger specific surface area, has certain shielding and suction-operated to electromagnetic radiation.
The method of radiation shielding coating, comprises the following steps in preparation room of the present invention:
(1)Aqueous polyurethane is weighed respectively according to proportioning and graphene is added in reactor, suitable quantity of water is added, in 78 ~ 80 DEG C Under the conditions of, then stirring reaction 2h adds water soluble wax and styrene-acrylic emulsion, stirring reaction 40min into mixture, obtains mixture a1;
(2)Into mixture a1 add ferrite powder, barium sulfate, ferric sulfate, be well mixed, be subsequently placed in rotating speed for 3000 turns/ 15min is sheared in min cutter, mixture a2 is obtained;
(3)Paste attapulgite clay, diatomite, defoamer are added into mixture a2,10min is stirred, is well mixed rearmounted The ultrasound 15min in ultrasonic wave, then pigment is added to mixture, it is well mixed, produces the radiation shielding coating.
Step(1)The graphene of middle addition is graphene aqueous solution, and wherein the concentration of graphene aqueous solution is 0.4g/L.
Step(1)The quality of middle addition water is 18 times of polyurethane quality.
Step(2)Three is first crushed to particle diameter respectively less than 300 mesh before middle addition ferrite powder, barium sulfate, ferric sulfate.
Step(3)The preparation method of middle paste attapulgite clay includes:
Take natural attapulgite to carry out being crushed to 200 ~ 300 mesh, add the water of 18 times of attapulgite quality, stirring forms suspension mud Slurry, takes upper suspension centrifugal treating 10min in 3000 turns/min centrifuge, is filtered by vacuum;Filter cake is dried, then put In Muffle furnace, temperature programming is to 800 ~ 900 DEG C, and wherein programming rate is 20 DEG C/min, then constant temperature calcining 3h, after cooling, Add water the paste attapulgite clay for being mixed with and obtaining that water content is 60%.
Embodiment 2:
A kind of indoor radiation shielding coating and preparation method of the preferred embodiment of the present invention;
The indoor radiation shielding coating, is prepared from by each component of following parts by weight:
20 parts of water soluble wax, 10 parts of styrene-acrylic emulsion, 50 parts of aqueous polyurethane, 0.7 part of graphene, 3 parts of ferrite powder, barium sulfate 8 Part, 3 parts of ferric sulfate, 10 parts of paste attapulgite clay, 5 parts of diatomite, 2 parts of defoamer, 1 part of pigment.
The paste attapulgite clay is that natural attapulgite clay is purified, the modified mixing being prepared into that adds water The water content of thing, wherein paste attapulgite clay is 50%.
The method of radiation shielding coating, comprises the following steps in preparation room of the present invention:
(1)Aqueous polyurethane is weighed respectively according to proportioning and graphene is added in reactor, suitable quantity of water is added, in 60 ~ 78 DEG C Under the conditions of, then stirring reaction 2h adds water soluble wax and styrene-acrylic emulsion, stirring reaction 30min into mixture, obtains mixture a1;
(2)Into mixture a1 add ferrite powder, barium sulfate, ferric sulfate, be well mixed, be subsequently placed in rotating speed for 2000 turns/ 20min is sheared in min cutter, mixture a2 is obtained;
(3)Paste attapulgite clay, diatomite, defoamer are added into mixture a2,5min is stirred, is placed in after being well mixed Ultrasound 10min in ultrasonic wave, then pigment is added to mixture, it is well mixed, produces the radiation shielding coating.
Step(1)The graphene of middle addition is graphene aqueous solution, and wherein the concentration of graphene aqueous solution is 0.3g/L.
Step(1)The quality of middle addition water is 10 times of polyurethane quality.
Step(2)Three is first crushed to particle diameter respectively less than 300 mesh before middle addition ferrite powder, barium sulfate, ferric sulfate.
Step(3)The preparation method of middle paste attapulgite clay includes:
Take natural attapulgite to carry out being crushed to 200 ~ 300 mesh, add the water of 10 times of attapulgite quality, stirring forms suspension mud Slurry, takes upper suspension centrifugal treating 15min in 2000 turns/min centrifuge, is filtered by vacuum;Filter cake is dried, then put In Muffle furnace, temperature programming is to 800 ~ 900 DEG C, and wherein programming rate is 20 DEG C/min, then constant temperature calcining 2h, after cooling, Add water the paste attapulgite clay for being mixed with and obtaining that water content is 50%.
Embodiment 3:
A kind of indoor radiation shielding coating and preparation method of the preferred embodiment of the present invention;
The indoor radiation shielding coating, is prepared from by each component of following parts by weight:
40 parts of water soluble wax, 20 parts of styrene-acrylic emulsion, 60 parts of aqueous polyurethane, 2.2 parts of graphene, 9 parts of ferrite powder, barium sulfate 16 Part, 8 parts of ferric sulfate, 15 parts of paste attapulgite clay, 12 parts of diatomite, 5 parts of defoamer, 4 parts of pigment.
The paste attapulgite clay is that natural attapulgite clay is purified, the modified mixing being prepared into that adds water The water content of thing, wherein paste attapulgite clay is 70%.
The method of radiation shielding coating, comprises the following steps in preparation room of the present invention:
(1)Aqueous polyurethane is weighed respectively according to proportioning and graphene is added in reactor, suitable quantity of water is added, in 80 DEG C of conditions Under, then stirring reaction 1h adds water soluble wax and styrene-acrylic emulsion, stirring reaction 60min into mixture, obtains mixture a1;
(2)Into mixture a1 add ferrite powder, barium sulfate, ferric sulfate, be well mixed, be subsequently placed in rotating speed for 3000 turns/ 10min is sheared in min cutter, mixture a2 is obtained;
(3)Paste attapulgite clay, diatomite, defoamer are added into mixture a2,10min is stirred, is well mixed rearmounted The ultrasound 20min in ultrasonic wave, then pigment is added to mixture, it is well mixed, produces the radiation shielding coating.
Step(1)The graphene of middle addition is graphene aqueous solution, and wherein the concentration of graphene aqueous solution is 0.5g/L.
Step(1)The quality of middle addition water is 20 times of polyurethane quality.
Step(2)Three is first crushed to particle diameter respectively less than 300 mesh before middle addition ferrite powder, barium sulfate, ferric sulfate.
Step(3)The preparation method of middle paste attapulgite clay includes:
Take natural attapulgite to carry out being crushed to 200 ~ 300 mesh, add the water of 20 times of attapulgite quality, stirring forms suspension mud Slurry, takes upper suspension centrifugal treating 8min in 3000 turns/min centrifuge, is filtered by vacuum;Filter cake is dried, then put In Muffle furnace, temperature programming is to 800 ~ 900 DEG C, and wherein programming rate is 20 DEG C/min, then constant temperature calcining 4h, after cooling, Add water the paste attapulgite clay for being mixed with and obtaining that water content is 70%.
The indoor radiation shielding coating that embodiment 1 ~ 3 is prepared is respectively according to GJB2604-1996《Military electromagnetic shielding Coating general specification》Performance detection is carried out, concrete outcome is as shown in the table:
As seen from the above table, the indoor radiation shielding coating that the present invention is prepared has preferable radiation-proof effect, preferable scratch resistance Wiping property and preferable waterproof effect, with preferable application value.
In summary, indoor radiation shielding coating of the present invention, applied to interior decoration, with preferable radiation proof effect Really, the electromagnetic radiation that on the one hand can effectively reduce in external environment penetrates building and indoor health of people is impacted, separately On the one hand the electromagnetic radiation that the electrical equipment such as indoor tv, computer are discharged can be effectively adsorbed, is the life that people build health Environment, which is provided, to be ensured, and unleaded addition in the coating, safer, and environment will not be polluted, and is answered with preferable With value.The preparation technology is simple, mild condition, and preparation process contamination-free is produced, and safety and environmental protection is adapted to industrialization promotion Production.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (10)

1. a kind of indoor radiation shielding coating, it is characterised in that:Include each component of following parts by weight:20 ~ 40 parts of water soluble wax, benzene 10 ~ 20 parts of acrylic emulsion, 50 ~ 60 parts of aqueous polyurethane, 0.7 ~ 2.2 part of graphene, 3 ~ 9 parts of ferrite powder, 8 ~ 16 parts of barium sulfate, sulphur Sour 3 ~ 8 parts of iron, 10 ~ 15 parts of paste attapulgite clay, 5 ~ 12 parts of diatomite, 2 ~ 5 parts of defoamer, 1 ~ 4 part of pigment.
2. indoor radiation shielding coating according to claim 1, it is characterised in that:35 parts of the water soluble wax, styrene-acrylic emulsion 15 parts, 56 parts of aqueous polyurethane, 1.3 parts of graphene, 8 parts of ferrite powder, 10 parts of barium sulfate, 5 parts of ferric sulfate, paste attapulgite 12 parts of clay, 8 parts of diatomite, 3 parts of defoamer, 3 parts of pigment.
3. indoor radiation shielding coating according to claim 1, it is characterised in that:The paste attapulgite clay is natural Concave-convex clay rod is purified, the modified mixture being prepared into that adds water.
4. indoor radiation shielding coating according to claim 3, it is characterised in that:The paste attapulgite clay it is aqueous Measure as 50% ~ 70%.
5. the method that one kind prepares the indoor radiation shielding coating as described in any one of claim 1 ~ 4, it is characterised in that:Including such as Lower step:
(1)Aqueous polyurethane is weighed respectively according to proportioning and graphene is added in reactor, suitable quantity of water is added, in 60 ~ 80 DEG C Under the conditions of, then 1 ~ 2h of stirring reaction adds water soluble wax and styrene-acrylic emulsion, 30 ~ 60min of stirring reaction into mixture, obtains Mixture a1;
(2)Ferrite powder, barium sulfate, ferric sulfate are added into mixture a1, is well mixed, be subsequently placed in rotating speed for 2000 ~ 10 ~ 20min is sheared in 3000 turns/min cutter, mixture a2 is obtained;
(3)Paste attapulgite clay, diatomite, defoamer are added into mixture a2,5 ~ 10min is stirred, after being well mixed 10 ~ 20min of ultrasound in ultrasonic wave is placed in, then pigment is added to mixture, is well mixed, produces the radiation shielding coating.
6. the preparation method of indoor radiation shielding coating according to claim 5, it is characterised in that:The step(1)In plus The graphene entered is graphene aqueous solution, and wherein the concentration of graphene aqueous solution is 0.3 ~ 0.5g/L.
7. the preparation method of indoor radiation shielding coating according to claim 5, it is characterised in that:The step(1)In plus The quality for entering water is 10 ~ 20 times of polyurethane quality.
8. the preparation method of indoor radiation shielding coating according to claim 5, it is characterised in that:The step(2)In plus Enter and three is first crushed to particle diameter less than 300 mesh respectively before ferrite powder, barium sulfate, ferric sulfate.
9. the preparation method of indoor radiation shielding coating according to claim 5, it is characterised in that:The step(3)Middle cream The preparation method of shape Concave-convex clay rod includes:
Take natural attapulgite to carry out being crushed to 200 ~ 300 mesh, add the water of 10 ~ 20 times of attapulgite quality, stirring forms outstanding Mud scum is starched, and takes upper suspension 8 ~ 15min of centrifugal treating in 2000 ~ 3000 turns/min centrifuge, is filtered by vacuum;By filter cake Drying, is subsequently placed in Muffle furnace and is calcined 2 ~ 4h in 800 ~ 900 DEG C of conditions, after cooling, and adding water to be mixed with obtains water content and be 50 ~ 70% paste attapulgite clay.
10. the preparation method of indoor radiation shielding coating according to claim 9, it is characterised in that:Horse before the roasting Not stove is by temperature programming to 800 ~ 900 DEG C, and programming rate is 20 DEG C/min.
CN201710459858.8A 2017-06-17 2017-06-17 A kind of indoor radiation shielding coating and preparation method Withdrawn CN107011782A (en)

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CN107652725A (en) * 2017-10-25 2018-02-02 芜湖市纯至网络科技有限公司 A kind of protective coating with radiation proof function and preparation method thereof
CN107793915A (en) * 2017-11-21 2018-03-13 广西吉宽太阳能设备有限公司 Radiation shielding coating and production method
CN113698856A (en) * 2021-09-14 2021-11-26 弘润清源(北京)科技有限责任公司 Quick-drying anti-radiation interference high-hardness coating

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CN105111913A (en) * 2015-10-08 2015-12-02 北京理工大学 Graphene/nano ferrite based water electromagnetic shielding paint and preparation method thereof
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107652725A (en) * 2017-10-25 2018-02-02 芜湖市纯至网络科技有限公司 A kind of protective coating with radiation proof function and preparation method thereof
CN107793915A (en) * 2017-11-21 2018-03-13 广西吉宽太阳能设备有限公司 Radiation shielding coating and production method
CN113698856A (en) * 2021-09-14 2021-11-26 弘润清源(北京)科技有限责任公司 Quick-drying anti-radiation interference high-hardness coating

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