CN108285722A - A kind of radiation shielding coating for large scale electronic equipment operational site - Google Patents

A kind of radiation shielding coating for large scale electronic equipment operational site Download PDF

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Publication number
CN108285722A
CN108285722A CN201810117430.XA CN201810117430A CN108285722A CN 108285722 A CN108285722 A CN 108285722A CN 201810117430 A CN201810117430 A CN 201810117430A CN 108285722 A CN108285722 A CN 108285722A
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Prior art keywords
parts
radiation shielding
attapulgite
electronic equipment
shielding coating
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CN201810117430.XA
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Chinese (zh)
Inventor
齐慧
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Hefei Easthigh Rui Electronic Technology Co Ltd
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Hefei Easthigh Rui Electronic Technology Co Ltd
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Priority to CN201810117430.XA priority Critical patent/CN108285722A/en
Publication of CN108285722A publication Critical patent/CN108285722A/en
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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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • 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
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0806Silver
    • 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
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • 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 belongs to technical field of coatings, and in particular to a kind of radiation shielding coating for large scale electronic equipment operational site.Contain following component in the coating:Epoxy resin, polymer emulsion, methyltrimethoxysilane, modified graphene, nano PbS O4Attapulgite, kaolin, talcum powder, hydroxypropyl methyl cellulose and nano-silver powder.The modification of wherein graphene needs to use ether and carbon tetrachloride mixed solvent, nano PbS O4Attapulgite is that attapulgite is carried out high-temperature activation, using adsorbing Pb after acidification2+It obtains.The excellent properties of the coating are stablized, and adhesive force is high, and film quality is higher, have good radiation-proof effect, also have sterilization bacteria-eliminating efficacy, are highly suitable for the electromagnetic isolation protection of large scale electronic equipment.

Description

A kind of radiation shielding coating for large scale electronic equipment operational site
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of radiation protection for large scale electronic equipment operational site applies Material.
Background technology
Electronic equipment operational process will produce radiation, and this electromagnetic radiation can produce the normal activities of the biology of surrounding Raw to influence, with the extension of distance, radiation intensity can continuously decrease for electromagnetic radiation, shadow of the lower electromagnetic radiation intensity to human body Sound is smaller, such as receipts mobile phone, TV, micro-wave oven can all generate radiation, but since radiation intensity is relatively low, even if not taking Any safeguard measure also will not generally produce harm.
But the electromagnetic radiation that large-scale power or electronic equipment generate is larger, influences, is generally required equipment in order to lower Be arranged with the safe distance in the dense place of crowd except, or electromagnetic shielding is taken to equipment.Today, as people are to interconnection Net service dependence, the construction also appearance as emerging rapidly in large numbersBamboo shoots after a spring rain of various network infrastructures, these equipment some may need The place dense in crowd is set, to provide better service for people, it is therefore necessary to safeguard procedures are taken to these facilities, Reduce influence of the electromagnetic field to surrounding resident.The application cost of conventional electromagnetic shielding facility such as electro-magnetic shielding cover is higher, unsuitable Large-scale promotion;Radiation can also be reduced using radiation shielding coating, but effect is relatively poor.
Invention content
In view of the above problems, the purpose of the present invention is to provide a kind of radiation protections for large scale electronic equipment operational site The radiation-proof effect of coating, the coating is preferable, and has relatively low use cost.
A kind of radiation shielding coating for large scale electronic equipment operational site contains according to mass fraction in radiation shielding coating Have:100-150 parts of epoxy resin, 15-20 parts of polymer emulsion, 8-10 parts of methyltrimethoxysilane, modified graphene 30-35 Part, nano PbS O410-15 parts of attapulgite, 20-25 parts of kaolin, 15-25 parts of talcum powder, hydroxypropyl methyl cellulose 6-9 Part, 0.5-1 parts of nano-silver powder.
Preferably, according to mass fraction, contain in radiation shielding coating:120-130 parts of epoxy resin, polymer emulsion 17- 18 parts, 8-9 parts of methyltrimethoxysilane, 32-33 parts of modified graphene, nano PbS O413-14 parts of attapulgite, kaolin 22-23 parts, 20-23 parts of talcum powder, 7-8 parts of hydroxypropyl methyl cellulose, 0.7-0.9 parts of nano-silver powder.
Preferably, the preparation method of modified graphene is as follows:According to mass fraction, by 20-30 parts of graphenes and 40-60 parts Ether and carbon tetrachloride mixed solvent are added in reaction kettle together, are reacted at a temperature of 80-90 DEG C, while with 80- The rotating speed of 100r/min is sufficiently stirred 10-15min, and finally by organic solvent evaporation, obtained solid content is required modified stone Black alkene.
Modification can improve the compatibility of graphene in the coating composition so that graphene uniform is dispersed in coating In, play the effect of radiation protection.
Preferably, the mass ratio of ether and carbon tetrachloride is 1 in organic solvent:1.68.
Preferably, nano PbS O4The preparation method of attapulgite is:By the attapulgite powder that grain size is 250-300nm Heated at a temperature of 300-500 DEG C, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 1.5-2mol/L into Row activation process, it is dry after activation process, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, Obtain required nano PbS O4Attapulgite.
This attapulgite has preferable adsorption effect can be by Pb ionic adsorptions in bumps after activation process In gap in stick soil particle, to which Pb ions to be fixed, it is then dispersed in coating and plays a role.
Preferably, polymer emulsion is one kind in styrene-acrylic emulsion, silicone acrylic emulsion, allyl lotion.
It is further preferred that the mesh number of kaolin and talcum powder is 400-500 mesh.
The preparation method of radiation shielding coating of the present invention includes the following steps:By modified graphene, nano PbS O4Concave convex rod Soil, kaolin, talcum powder and nano-silver powder are pre-mixed uniformly, and then mixture and hydroxypropyl methyl cellulose are added together It into epoxy resin, stirs in a kettle, methyltrimethoxysilane is added to reaction kettle while stirring In, then polymer emulsion is added in reaction kettle, is stirred together with slurry, slurry is finally sent to ultrasonic dispersing machine In, 15-20min is disperseed with the rotating speed ultrasonic wave of 1800-2100r/min, obtains required radiation shielding coating.
A kind of radiation shielding coating for large scale electronic equipment operational site provided by the invention, compared with prior art, It has the following advantages:
A variety of materials with radiation-proof effect are added in the coating so that the radiation-proof effect of the coating is very excellent The materials such as show, wherein attapulgite and graphene also pass through modification, keep its property more excellent, can be in coating very well It is compatible, reduce paint ingredient between porosity, to further increase the effectiveness of coating.The preparation of coating Also frequent ultrasonic wave dispersion in journey, this makes the property of coating more stablize, and is being easier to form a film using process, film layer structure causes It is close, it is not easy to it is broken to fall off, there can be longer service life, play its functional effect.
In addition, the hydroxypropyl methyl cellulose in coating can improve the cohesive force of coating, nano-silver powder makes coating also With good bactericidal effect.
The coating shield effectiveness is good, and uses for metal electro-magnetic shielding cover relatively, more convenient to use, work progress In requirement to equipment and place it is also lower;Overall cost is also greatly reduced, and has good economic value.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Embodiment 1
A kind of radiation shielding coating for large scale electronic equipment operational site contains according to mass fraction in radiation shielding coating Have:100 parts of epoxy resin, 15 parts of polymer emulsion, 8 parts of methyltrimethoxysilane, 30 parts of modified graphene, nano PbS O4 10 parts of attapulgite, 20 parts of kaolin, 15 parts of talcum powder, 6 parts of hydroxypropyl methyl cellulose, 0.5 part of nano-silver powder.
Wherein, the preparation method of modified graphene is as follows:According to mass fraction, by 20 parts of graphenes and 40 parts of ether and four Chlorination carbon mixed solvent is added in reaction kettle together, is reacted at a temperature of 80 DEG C, while being filled with the rotating speed of 80r/min Divide stirring 10min, finally by organic solvent evaporation, obtained solid content is required modified graphene;Ether in organic solvent Mass ratio with carbon tetrachloride is 1:1.68.
Nano PbS O4The preparation method of attapulgite is:By grain size be 250-300nm attapulgite powder at 300 DEG C At a temperature of heat, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 1.5mol/L and carry out activation process, it is living It is dry after change processing, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, obtain required nanometer PbSO4Attapulgite.
Polymer emulsion is styrene-acrylic emulsion;The mesh number of kaolin and talcum powder is 400 mesh.
The preparation method of the radiation shielding coating includes the following steps:By modified graphene, nano PbS O4Attapulgite, height Ridge soil, talcum powder and nano-silver powder are pre-mixed uniformly, and mixture and hydroxypropyl methyl cellulose are then added to ring together It in oxygen resin, stirs in a kettle, methyltrimethoxysilane is added in reaction kettle by stirring while, is connect It and polymer emulsion is added in reaction kettle, stirred together with slurry, finally slurry is sent in ultrasonic dispersing machine, with The rotating speed ultrasonic wave of 1800r/min disperses 15min, obtains required radiation shielding coating.
Embodiment 2
A kind of radiation shielding coating for large scale electronic equipment operational site contains according to mass fraction in radiation shielding coating Have:150 parts of epoxy resin, 20 parts of polymer emulsion, 10 parts of methyltrimethoxysilane, 35 parts of modified graphene, nano PbS O4 15 parts of attapulgite, 25 parts of kaolin, 25 parts of talcum powder, 9 parts of hydroxypropyl methyl cellulose, 1 part of nano-silver powder.
Wherein, the preparation method of modified graphene is as follows:According to mass fraction, by 30 parts of graphenes and 60 parts of ether and four Chlorination carbon mixed solvent is added in reaction kettle together, is reacted at a temperature of 90 DEG C, while with the rotating speed of 100r/min It is sufficiently stirred 15min, finally by organic solvent evaporation, obtained solid content is required modified graphene;Second in organic solvent The mass ratio of ether and carbon tetrachloride is 1:1.68.
Nano PbS O4The preparation method of attapulgite is:By grain size be 250-300nm attapulgite powder at 500 DEG C At a temperature of heat, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 2mol/L and carry out activation process, activate It is dry after processing, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, obtain required nanometer PbSO4Attapulgite.
Polymer emulsion is silicone acrylic emulsion;The mesh number of kaolin and talcum powder is 500 mesh.
The preparation method of the radiation shielding coating includes the following steps:By modified graphene, nano PbS O4Attapulgite, height Ridge soil, talcum powder and nano-silver powder are pre-mixed uniformly, and mixture and hydroxypropyl methyl cellulose are then added to ring together It in oxygen resin, stirs in a kettle, methyltrimethoxysilane is added in reaction kettle by stirring while, is connect It and polymer emulsion is added in reaction kettle, stirred together with slurry, finally slurry is sent in ultrasonic dispersing machine, with The rotating speed ultrasonic wave of 2100r/min disperses 20min, obtains required radiation shielding coating.
Embodiment 3
A kind of radiation shielding coating for large scale electronic equipment operational site contains according to mass fraction in radiation shielding coating Have:130 parts of epoxy resin, 17 parts of polymer emulsion, 9 parts of methyltrimethoxysilane, 33 parts of modified graphene, nano PbS O4 13 parts of attapulgite, 22 parts of kaolin, 20 parts of talcum powder, 7 parts of hydroxypropyl methyl cellulose, 0.8 part of nano-silver powder.
Wherein, the preparation method of modified graphene is as follows:According to mass fraction, by 25 parts of graphenes and 50 parts of ether and four Chlorination carbon mixed solvent is added in reaction kettle together, is reacted at a temperature of 85 DEG C, while being filled with the rotating speed of 90r/min Divide stirring 13min, finally by organic solvent evaporation, obtained solid content is required modified graphene;Ether in organic solvent Mass ratio with carbon tetrachloride is 1:1.68.
Nano PbS O4The preparation method of attapulgite is:By grain size be 250-300nm attapulgite powder at 400 DEG C At a temperature of heat, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 1.8mol/L and carry out activation process, it is living It is dry after change processing, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, obtain required nanometer PbSO4Attapulgite.
Polymer emulsion is allyl lotion;The mesh number of kaolin and talcum powder is 450 mesh.
The preparation method of the radiation shielding coating includes the following steps:By modified graphene, nano PbS O4Attapulgite, height Ridge soil, talcum powder and nano-silver powder are pre-mixed uniformly, and mixture and hydroxypropyl methyl cellulose are then added to ring together It in oxygen resin, stirs in a kettle, methyltrimethoxysilane is added in reaction kettle by stirring while, is connect It and polymer emulsion is added in reaction kettle, stirred together with slurry, finally slurry is sent in ultrasonic dispersing machine, with The rotating speed ultrasonic wave of 1950r/min disperses 18min, obtains required radiation shielding coating.
Embodiment 4
A kind of radiation shielding coating for large scale electronic equipment operational site contains according to mass fraction in radiation shielding coating Have:100 parts of epoxy resin, 20 parts of polymer emulsion, 8 parts of methyltrimethoxysilane, 32 parts of modified graphene, nano PbS O4 14 parts of attapulgite, 21 parts of kaolin, 15 parts of talcum powder, 9 parts of hydroxypropyl methyl cellulose, 0.7 part of nano-silver powder.
Wherein, the preparation method of modified graphene is as follows:According to mass fraction, by 20 parts of graphenes and 60 parts of ether and four Chlorination carbon mixed solvent is added in reaction kettle together, is reacted at a temperature of 85 DEG C, while being filled with the rotating speed of 90r/min Divide stirring 13min, finally by organic solvent evaporation, obtained solid content is required modified graphene;Ether in organic solvent Mass ratio with carbon tetrachloride is 1:1.68.
Nano PbS O4The preparation method of attapulgite is:By grain size be 250-300nm attapulgite powder at 450 DEG C At a temperature of heat, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 1.6mol/L and carry out activation process, it is living It is dry after change processing, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, obtain required nanometer PbSO4Attapulgite.
Polymer emulsion is styrene-acrylic emulsion;The mesh number of kaolin and talcum powder is 400 mesh.
The preparation method of the radiation shielding coating includes the following steps:By modified graphene, nano PbS O4Attapulgite, height Ridge soil, talcum powder and nano-silver powder are pre-mixed uniformly, and mixture and hydroxypropyl methyl cellulose are then added to ring together It in oxygen resin, stirs in a kettle, methyltrimethoxysilane is added in reaction kettle by stirring while, is connect It and polymer emulsion is added in reaction kettle, stirred together with slurry, finally slurry is sent in ultrasonic dispersing machine, with The rotating speed ultrasonic wave of 1800r/min disperses 20min, obtains required radiation shielding coating.
Performance test
According to GB/T 5210-1985《The measuring method of coating adhesion pulls open method》To the adhesive force base of the present embodiment coating This performance is detected, and detects the suction wave efficiency of the present embodiment, obtains following testing result:
Table 1:The properties testing result of the present embodiment coating
The above test data shows that the shielding property of the radiation shielding coating of the present embodiment is outstanding, and adhesive force is high, film layer knot Structure is stablized, and is highly suitable for carrying out electromagnetic isolation protection in large scale electronic equipment operational site.
Specific embodiments of the present invention are 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 (8)

1. a kind of radiation shielding coating for large scale electronic equipment operational site, it is characterised in that:It is described anti-according to mass fraction Contain in radiation paint:100-150 parts of epoxy resin, 15-20 parts of polymer emulsion, 8-10 parts of methyltrimethoxysilane change 30-35 parts of graphene of property, nano PbS O410-15 parts of attapulgite, 20-25 parts of kaolin, 15-25 parts of talcum powder, hydroxypropyl first 6-9 parts of base cellulose, 0.5-1 parts of nano-silver powder.
2. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that:It presses According to mass fraction, contain in the radiation shielding coating:120-130 parts of epoxy resin, 17-18 parts of polymer emulsion, methyl trimethoxy 8-9 parts of oxysilane, 32-33 parts of modified graphene, nano PbS O413-14 parts of attapulgite, 22-23 parts of kaolin, talcum powder 20-23 parts, 7-8 parts of hydroxypropyl methyl cellulose, 0.7-0.9 parts of nano-silver powder.
3. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that: The preparation method of the modified graphene is as follows:According to mass fraction, by 20-30 parts of graphenes and 40-60 parts of ether and tetrachloro Change carbon mixed solvent to be added in reaction kettle together, be reacted at a temperature of 80-90 DEG C, while with 80-100r/min's Rotating speed is sufficiently stirred 10-15min, and finally by organic solvent evaporation, obtained solid content is required modified graphene.
4. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 3, it is characterised in that:Institute It is 1 to state the mass ratio of ether and carbon tetrachloride in organic solvent:1.68.
5. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that:Institute State nano PbS O4The preparation method of attapulgite is:By grain size be 250-300nm attapulgite powder at 300-500 DEG C At a temperature of heat, be added to after then cooling down attapulgite in the sulfuric acid of a concentration of 1.5-2mol/L and carry out activation process, it is living It is dry after change processing, recycle the mode of Dynamic Adsorption to adsorb containing Pb2+Solution, be finally dried again, obtain required nanometer PbSO4Attapulgite.
6. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that:Institute It is one kind in styrene-acrylic emulsion, silicone acrylic emulsion, allyl lotion to state polymer emulsion.
7. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that:Institute The mesh number for stating kaolin and talcum powder is 400-500 mesh.
8. a kind of radiation shielding coating for large scale electronic equipment operational site according to claim 1, it is characterised in that:Institute The preparation method for stating coating includes the following steps:By modified graphene, nano PbS O4 attapulgites, kaolin, talcum powder and receive Rice silver powder is pre-mixed uniformly, is then added in epoxy resin mixture and hydroxypropyl methyl cellulose together, is being reacted It is stirred in kettle, methyltrimethoxysilane is added in reaction kettle by stirring while, then by polymer emulsion It is added in reaction kettle, is stirred together with slurry, finally slurry is sent in ultrasonic dispersing machine, with 1800-2100r/min Rotating speed ultrasonic wave disperse 15-20min, obtain required radiation shielding coating.
CN201810117430.XA 2018-02-06 2018-02-06 A kind of radiation shielding coating for large scale electronic equipment operational site Withdrawn CN108285722A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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CN106634478A (en) * 2016-11-22 2017-05-10 天长市金陵电子有限责任公司 Special high-weatherability coating for electrostatic spraying
CN106928792A (en) * 2017-04-20 2017-07-07 合肥华清金属表面处理有限责任公司 A kind of radioresistance coating and preparation method thereof
CN107236337A (en) * 2017-08-02 2017-10-10 合肥东恒锐电子科技有限公司 A kind of use for electronic products high temperature resistant radiation shielding coating

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Publication number Priority date Publication date Assignee Title
WO2015105514A1 (en) * 2014-01-13 2015-07-16 Unipixel Displays, Inc. Coated nano-particle catalytically active composite inks
CN104761975A (en) * 2015-03-18 2015-07-08 蚌埠市高华电子有限公司 Radiation heat-insulating coating having excellent stain resistance and preparation method thereof
CN104817924A (en) * 2015-03-27 2015-08-05 东莞劲胜精密组件股份有限公司 Graphene modifier, radiation resistant graphene coating and radiation resistant protection film
CN106189573A (en) * 2016-07-19 2016-12-07 芜湖昊轩环保新材料有限公司 Radiation shielding coating and preparation method thereof
CN106634478A (en) * 2016-11-22 2017-05-10 天长市金陵电子有限责任公司 Special high-weatherability coating for electrostatic spraying
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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