CN107189578A - A kind of emulsion paint for possessing capability of electromagnetic shielding - Google Patents
A kind of emulsion paint for possessing capability of electromagnetic shielding Download PDFInfo
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- CN107189578A CN107189578A CN201710597649.XA CN201710597649A CN107189578A CN 107189578 A CN107189578 A CN 107189578A CN 201710597649 A CN201710597649 A CN 201710597649A CN 107189578 A CN107189578 A CN 107189578A
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- emulsion paint
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- electromagnetic shielding
- airing mixer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
- C09D5/028—Pigments; Filters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0881—Titanium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to emulsion paint preparing technical field, a kind of emulsion paint for possessing capability of electromagnetic shielding is disclosed, it is prepared according to following technique：1）Deionized water, organic silicon defoamer, bentonite, silane coupler, hydroxyethyl cellulose and nano silicon are added in de-airing mixer, 600rpm stirrings 2h；2）Esters coalescents alcohol ester 12, preservative and electromagnetic shielding agent are added in de-airing mixer, 30min is then stirred with 1000rpm rotating speed；3）Polyvinyl acetate emulsion, ammonia type thickener and stearic acid are added in de-airing mixer, 30min is then stirred with 1000rpm rotating speed, produced.Emulsion paint of the present invention possesses preferable electromagnetic wave shielding.
Description
Technical field
The invention belongs to emulsion paint preparing technical field, it is related to a kind of emulsion paint for possessing capability of electromagnetic shielding.
Background technology
Information machine room includes substantial amounts of information data switching equipment, and electromagnetic radiation threatens people's strong than more serious
Health.The phenomenon of the electromagnetic wave that the interaction change in electric field and magnetic field is produced, electromagnetism wave direction air-launched or leakage, is named electromagnetic radiation.
Electromagnetic radiation is the material existed with a kind of invisible, impalpable specific form.It is centered around mankind's natural magnetic field at one's side, too
Sunlight, household electrical appliance etc. can all send the different radiation of intensity, its influence to health of electromagnetic wave radiated increasingly by
To the concern of the mankind.The scientific research personnel for being engaged in association area prevents from radiating the infringement caused using various measures, including uses
Stereotype isolation, radiation-proof mask and clothes etc..Prior art needs to research and develop a kind of emulsion paint for possessing capability of electromagnetic shielding.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of emulsion paint for possessing capability of electromagnetic shielding.
The present invention is realized by following scheme：
A kind of emulsion paint for possessing capability of electromagnetic shielding, it is prepared according to following technique：
1）By deionized water, organic silicon defoamer, bentonite, silane coupler, hydroxyethyl cellulose and nanometer titanium dioxide
Silicon, is added in de-airing mixer, 600rpm stirrings 2h；
2）Added in de-airing mixer esters coalescents alcohol ester 12, preservative and electromagnetic shielding agent, then with
1000rpm rotating speed stirring 30min；
3）Polyvinyl acetate emulsion, ammonia type thickener and stearic acid are added in de-airing mixer, then with 1000rpm's
Rotating speed stirs 30min, produces.
Further, in parts by weight, deionized water be 100-150 parts, organic silicon defoamer be 3-5 parts, swelling
Soil is 1-2 parts, silane coupler is 1-2 parts, hydroxyethyl cellulose is 2-3 parts, nano silicon is 1-2 parts, esters film forming
Auxiliary agent is 0.3-0.5 parts, preservative is 0.1-0.2 parts, electromagnetic shielding agent is 2-3 parts, polyvinyl acetate emulsion is 40-70 parts,
Ammonia type thickener is 2-3 parts, stearic acid is 1-2 parts.
Further, the electromagnetic shielding agent is prepared according to following technique：
By barium sulfate, iron powder and titanium valve according to 3:2:2 mass ratio is added in the ball grinder containing absolute ethyl alcohol, mixes, presses
It is 10 according to ratio of grinding media to material:1 weight is room temperature, drum's speed of rotation 500rpm, by material than adding aluminium oxide ceramic ball, ball milling temperature
500 mesh are milled to, absolute ethyl alcohol is evaporated, obtain being electromagnetically shielded agent.
Preferably, the organic silicon defoamer is SN154.
Preferably, the preservative is BIOX CM.
Preferably, the ammonia type thickener is Acrysol RM-12W.
The starting point of the present invention and the beneficial effect of acquirement mainly include but is not limited to the following aspects：
The present invention with the addition of iron powder and titanium valve, be milled to suitable particle diameter, can not reduce emulsion paint on the basis of barium sulfate
On the premise of performance, capability of electromagnetic shielding is improved；
Hydroxyethyl cellulose can greatly increase the denseness of system by dispersed, improve filler dispersion process, contribute to short
Obtained in time fully dispersed；
Nano material has specific surface area big, and the special performance such as superficial attractive forces are strong, the good, thermal resistance of dispersive property is superior with its
Stability, reinforcing, thickening property and thixotropy, during through siloxanes coupling processing, siloxanes one end and nano material are with chemistry
Key is combined, and other end of amido functional group can chemically react with organic material, enhance organic material and nanometer
The combination of material boundary, improves histocompatbility and surface flatness；
The tension force on silane coupler reduction bentonite surface of the present invention, makes its surface be easier to be soaked by other organic matters, with having
Machine thing is sufficiently mixed；
It is mutually coordinated between each component material of the present invention, it is that the applicant passes through big change of variable condition, parameter is real by single-factor
Test, factorial experiment is obtained, the application operating parameter is that inventor operates acquisition through creative work, and preparation technology simply may be used
OK, by adding electromagnetic shielding agent, capability of electromagnetic shielding is improved.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, have below in conjunction with the application
Body embodiment, is more clearly and completely described, it is clear that described embodiment is only the application one to the present invention
Divide embodiment, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, should all belong to the scope of protection of the invention.
Embodiment 1
A kind of emulsion paint for possessing capability of electromagnetic shielding, it is prepared according to following technique：
Following raw material for standby are taken according to parts by weight：100 parts of deionized water, 3 parts of organic silicon defoamer, 1 part of bentonite, silane are even
Join 1 part of agent, 2 parts of hydroxyethyl cellulose, 1 part of nano silicon, 0.3 part of esters coalescents, 0.1 part of preservative, electromagnetic screen
Cover 2 parts of agent, 40 parts of polyvinyl acetate emulsion, 2 parts of ammonia type thickener, 1 part of stearic acid；
Barium sulfate, iron powder and titanium valve are according to 3:2:2 mass ratio is added in the ball grinder containing absolute ethyl alcohol, mixes, according to
Ratio of grinding media to material is 10:1 weight is room temperature, drum's speed of rotation 500rpm, by material ball than adding aluminium oxide ceramic ball, ball milling temperature
500 mesh are milled to, absolute ethyl alcohol is evaporated, obtain being electromagnetically shielded agent；
By deionized water, organic silicon defoamer SN154, bentonite, silane coupler, hydroxyethyl cellulose and nano-silica
SiClx, is added in de-airing mixer, 600rpm stirrings 2h；
Esters coalescents alcohol ester 12, preservative and electromagnetic shielding agent are added in de-airing mixer, then with 1000rpm
Rotating speed stirring 30min；
Polyvinyl acetate emulsion, ammonia type thickener Acrysol RM-12W and stearic acid are added in de-airing mixer, so
30min is stirred with 1000rpm rotating speed afterwards, produced.
Embodiment 2
A kind of emulsion paint for possessing capability of electromagnetic shielding, it is prepared according to following technique：
Following raw material for standby are taken according to parts by weight：150 parts of deionized water, 5 parts of organic silicon defoamer, 2 parts of bentonite, silane are even
Join 12 parts of agent, 23 parts of hydroxyethyl cellulose, 2 parts of nano silicon, 0.5 part of esters coalescents, 0.2 part of preservative, electromagnetism
3 parts of screener, 70 parts of polyvinyl acetate emulsion, 3 parts of ammonia type thickener, 2 parts of stearic acid；
Barium sulfate, iron powder and titanium valve are according to 3:2:2 mass ratio is added in the ball grinder containing absolute ethyl alcohol, mixes, according to
Ratio of grinding media to material is 10:1 weight is room temperature, drum's speed of rotation 500rpm, by material ball than adding aluminium oxide ceramic ball, ball milling temperature
500 mesh are milled to, absolute ethyl alcohol is evaporated, obtain being electromagnetically shielded agent；
By deionized water, organic silicon defoamer SN154, bentonite, silane coupler, hydroxyethyl cellulose and nano-silica
SiClx, is added in de-airing mixer, 600rpm stirrings 2h；
Esters coalescents alcohol ester 12, preservative and electromagnetic shielding agent are added in de-airing mixer, then with 1000rpm
Rotating speed stirring 30min；
Polyvinyl acetate emulsion, ammonia type thickener Acrysol RM-12W and stearic acid are added in de-airing mixer, so
30min is stirred with 1000rpm rotating speed afterwards, produced.
Embodiment 3
Emulsion paint performance test prepared by 1-2 of the embodiment of the present invention, is specifically shown in Table 1：
Table 1
| Project | Embodiment 1 | Embodiment 2 |
| Coating thickness um | 200 | 200 |
| Adhesive force（Cross-hatching） | 1 | 1 |
| Electromagnetic wave attenuation rate（%）5000MHZ | 88.4 | 92.6 |
| Sheet resistance Ω/sq | 9.3×105 | 9.5×105 |
| Salt fog resistance 480h | It is non-foaming, do not fall off, without turning white, without cracking | It is non-foaming, do not fall off, without turning white, without cracking |
| Water resistance 480h | It is non-foaming, do not fall off, without turning white, without cracking | It is non-foaming, do not fall off, without turning white, without cracking |
| 50 DEG C, 7 days of thermodynamic stability | Without layering and precipitation, effect is normal | Without layering and precipitation, effect is normal |
| The sodium chloride of salt water resistance 3%, 480h | It is non-foaming, do not fall off, without turning white, corrugationless | It is non-foaming, do not fall off, without turning white, corrugationless |
| Hardness | 5H | 5H |
| MEK wipes experiment | It is reciprocal to wipe 100 times, no bottom drain and dissolving | It is reciprocal to wipe 100 times, no bottom drain and dissolving |
Embodiment 4
Agent is electromagnetically shielded to test capability of electromagnetic shielding：
So that electromagnetic wavelength is 3000MHZ as an example, six groups are set, are experimental group respectively：2 groups of embodiment；Control 1：Using
Barium sulfate；Control 2：Using iron powder；Control 3：Using titanium valve；Control 4：Use barium sulfate and iron powder；Control 5：Use barium sulfate
And titanium valve；Other raw materials and step be the same as Example 2 of control group.The amount for the radiation proof auxiliary material that six groups are used is identical,
Possesses comparative sense.Concrete outcome is shown in Table 2：
Table 2
| Group | Electromagnetic wave attenuation rate（%） |
| Experimental group | 91.7 |
| Control 1 | 61.3 |
| Control 2 | 53.4 |
| Control 3 | 48.1 |
| Control 4 | 76.8 |
| Control 5 | 80.6 |
Conclusion：Visible by table 2, the electromagnetic wave attenuation rate effect of emulsion paint of the present invention is substantially better than each control group, shows electromagnetism
Rationally, synergisticing performance is good for compatibility between three kinds of raw materials of screener.
Although inventor has done more detailed elaboration and enumerated to technical scheme, it will be appreciated that for this
For the those skilled in the art in field, according to disclosed content, modification is made to above-described embodiment and/or change or
Person is it will be apparent that it can not all depart from the scope of protection of present invention, the present invention using equivalent alternative solution
Protection domain is defined by the claim limited in detail in the claims.
Claims (5)
1. a kind of emulsion paint for possessing capability of electromagnetic shielding, it is prepared according to following technique：
1）By deionized water, organic silicon defoamer, bentonite, silane coupler, hydroxyethyl cellulose and nanometer titanium dioxide
Silicon, is added in de-airing mixer, 600rpm stirrings 2h；
2）Added in de-airing mixer esters coalescents alcohol ester 12, preservative and electromagnetic shielding agent, then with
1000rpm rotating speed stirring 30min；
3）Polyvinyl acetate emulsion, ammonia type thickener and stearic acid are added in de-airing mixer, then with 1000rpm's
Rotating speed stirs 30min, produces.
2. emulsion paint according to claim 1, it is characterised in that in parts by weight, deionized water is 100-150 parts,
Organic silicon defoamer is 3-5 parts, bentonite is 1-2 parts, silane coupler is 1-2 parts, hydroxyethyl cellulose is 2-3 parts, received
It is 2-3 that rice silica, which is 1-2 part, esters coalescents are 0.3-0.5 parts, preservative is 0.1-0.2 parts, be electromagnetically shielded agent
Part, polyvinyl acetate emulsion be 40-70 parts, ammonia type thickener be 2-3 parts, stearic acid be 1-2 parts.
3. emulsion paint according to claim 1 or 2, it is characterised in that the electromagnetic shielding agent is prepared according to following technique
And obtain：
By barium sulfate, iron powder and titanium valve according to 3:2:2 mass ratio is added in the ball grinder containing absolute ethyl alcohol, mixes, presses
It is 10 according to ratio of grinding media to material:1 weight is room temperature, drum's speed of rotation 500rpm, by material than adding aluminium oxide ceramic ball, ball milling temperature
500 mesh are milled to, absolute ethyl alcohol is evaporated, obtain being electromagnetically shielded agent.
4. emulsion paint according to claim 1 or 2, it is characterised in that the organic silicon defoamer is SN154.
5. emulsion paint according to claim 1 or 2, it is characterised in that the ammonia type thickener is Acrysol RM-
12W。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597649.XA CN107189578B (en) | 2017-07-21 | 2017-07-21 | A kind of emulsion paint having electromagnetic shielding performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597649.XA CN107189578B (en) | 2017-07-21 | 2017-07-21 | A kind of emulsion paint having electromagnetic shielding performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107189578A true CN107189578A (en) | 2017-09-22 |
| CN107189578B CN107189578B (en) | 2019-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710597649.XA Expired - Fee Related CN107189578B (en) | 2017-07-21 | 2017-07-21 | A kind of emulsion paint having electromagnetic shielding performance |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991953A (en) * | 2023-02-13 | 2023-04-21 | 浙江绿环新材料科技有限公司 | Preparation process of modified epoxy resin powder coating with electromagnetic shielding function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151992A (en) * | 2014-07-29 | 2014-11-19 | 青岛国强环保科技有限公司 | Paint with electromagnetic shielding effect |
| CN106916495A (en) * | 2017-02-24 | 2017-07-04 | 玉林龙升建筑装饰工程有限公司 | A kind of moistureproof emulsion paint and preparation method thereof |
-
2017
- 2017-07-21 CN CN201710597649.XA patent/CN107189578B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104151992A (en) * | 2014-07-29 | 2014-11-19 | 青岛国强环保科技有限公司 | Paint with electromagnetic shielding effect |
| CN106916495A (en) * | 2017-02-24 | 2017-07-04 | 玉林龙升建筑装饰工程有限公司 | A kind of moistureproof emulsion paint and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991953A (en) * | 2023-02-13 | 2023-04-21 | 浙江绿环新材料科技有限公司 | Preparation process of modified epoxy resin powder coating with electromagnetic shielding function |
| CN115991953B (en) * | 2023-02-13 | 2024-09-20 | 浙江绿环新材料科技有限公司 | Preparation process of modified epoxy resin powder coating with electromagnetic shielding function |
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| Publication number | Publication date |
|---|---|
| CN107189578B (en) | 2019-08-06 |
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Granted publication date: 20190806 |