CN104212327A - Damping coating and preparation method thereof - Google Patents
Damping coating and preparation method thereof Download PDFInfo
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- CN104212327A CN104212327A CN201410523281.9A CN201410523281A CN104212327A CN 104212327 A CN104212327 A CN 104212327A CN 201410523281 A CN201410523281 A CN 201410523281A CN 104212327 A CN104212327 A CN 104212327A
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- defoamer
- damping paint
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Abstract
The invention discloses a damping coating and a preparation method thereof. By weight, the damping coating comprises the following components: 20-30 parts of polyurethane emulsions, 10-15 parts of acrylic emulsions, 25-40 parts of mica powder, 10-20 parts of A1203 micro-particles, 5-10 parts of aluminum fibers, 2-8 parts of fire retardants, 1-2 parts of defoaming agents and 0.5-1 part of bactericides. The preparation method includes steps of: (1) mixing and stirring the polyurethane emulsions and the acrylic emulsions, adding the defoaming agents, stirring to obtain dispersing agents; (2) adding the mica powder, the A1203 micro-particles, the aluminum fibers, the fire retardants and the bactericides into the dispersing agents, stirring and dispersing to obtain the damping coating. The damping coating has the advantages of being non-toxic and environmentally friendly, and having high thermal conductivity and good noise reduction and damping effects. In addition, the preparation method is simple and convenient, and low in cost.
Description
Technical field
The invention belongs to field of environment engineering technology, be specifically related to noise-and-vibration-reduction damping paint of a kind of high thermal conductivity and preparation method thereof, the equipment that is particularly useful for having higher requirements for heat radiation or material.
Background technology
In metal construction, apply one deck damping paint, as pipeline, device housings, metallic ring barrier surface etc., be inhibition structural vibration, fall low noise a kind of conventional effective measure.But conventional damping paint thermal conductivity is poor, limited its application heat radiation being had higher requirements on equipment at transformer, reactor etc.Although some scholar has proposed certain methods in order to improve the thermal diffusivity of damping paint, as added aluminium powder, zinc powder etc. in coating, but metal powder one is the formation local deposits that is not easy to stir, the 2nd, cannot form each other effectively contact, so radiating effect is poor.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, and a kind of nontoxic, environmental protection, thermal conductivity is high, noise-and-vibration-reduction is effective damping paint and preparation method thereof are provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is a kind of damping paint, and described damping paint comprises the component of following weight part:
In above-mentioned damping paint, preferred, described Al
2o
3particle diameter≤10 micron of microparticle; Diameter≤10 micron of described aluminum fiber, length≤200 micron of described aluminum fiber.
In above-mentioned damping paint, preferred, described Al
2o
3the particle diameter of microparticle is 5 microns～10 microns; The diameter of described aluminum fiber is 5 microns～10 microns, and the length of described aluminum fiber is 80 microns～200 microns.
In above-mentioned damping paint, preferred, described polyaminoester emulsion is aqueous polyurethane emulsion; Described ACRYLIC EMULSION is aqueous acrylic emulsion.
In above-mentioned damping paint, preferred, the particle diameter of described mica powder is 1 micron～5 microns.
In above-mentioned damping paint, preferred, described defoamer is one or more in DF-851 defoamer, DF-8202 defoamer, DF-8205 defoamer, DF-8206 defoamer; Described fire retardant is one or more in LM-8001 fire retardant, LM-NPP8081 fire retardant, LM-NPP8083 fire retardant; Described sterilant is one or more in LM-10 sterilant, YDL-15 sterilant, HTK-30 sterilant.
As a total technical conceive, the present invention also provides a kind of preparation method of above-mentioned damping paint, comprises the following steps:
(1) preparation of dispersion agent: the ACRYLIC EMULSION of the polyaminoester emulsion of 20～30 weight parts and 10～15 weight parts mixed and stirred, then add the defoamer of 1～2 weight part, continuing to stir, obtaining dispersion agent;
(2) adding and paint of filler and auxiliary agent: add the mica powder of 25～40 weight parts, the Al of 10～20 weight parts in dispersion agent
2o
3the sterilant of the fire retardant of the aluminum fiber of microparticle, 5～10 weight parts, 2～8 weight parts and 0.5～1 weight part, after dispersed with stirring, obtains damping paint.
In above-mentioned preparation method, preferred, in described step (1), add before defoamer, the speed of described stirring is 1000 turn/min of turn/min～1200, the time of described stirring is 25min～35min; Add after defoamer, the speed of described stirring is 280 turn/min of turn/min～380, and the time of described stirring is 25min～35min.
In above-mentioned preparation method, preferred, in described step (2), the time of described stirring is 25min～35min.
Mechanism of the present invention is as follows:
It is host that damping paint of the present invention adopts the ACRYLIC EMULSION that has the polyaminoester emulsion of interior crosslinking structure and have polymerization, take mica powder as main damping function filler, by regulating nonmetallic heat conductive filler Al
2o
3with metal heat-conducting filler aluminum fiber addition and ratio, form heat conduction network chain, thereby greatly improved the heat conductivility of damping paint, and improved the noise-and-vibration-reduction performance of damping paint.
In the present invention, because damping paint is thick slurry water-borne coatings, after polyaminoester emulsion and ACRYLIC EMULSION are mixed, for the damping noise reduction performance of a large amount of aeration damping paints of avoiding forming in compound, therefore need add defoamer.
Compared with prior art, the invention has the advantages that:
(1) damping paint employing polyaminoester emulsion of the present invention and ACRYLIC EMULSION are host, take mica powder as main damping function filler, by regulating nonmetallic heat conductive filler Al
2o
3with addition and the ratio of metal heat-conducting filler aluminum fiber, form heat conduction network chain, greatly improved the heat conductivility of damping paint, met the device requirement that heat radiation is had higher requirements.
(2) in damping paint of the present invention, non-metallic material and metallic substance form reticulated structure closely, so dissipation factor is high, can effectively reduce vibration and the noise radiation of metal construction.
(3) damping paint environmental protection of the present invention, not containing poisonous organic solvent, and non-secondary pollution.
(4) preparation method of the present invention is simple and convenient, with low cost.
Embodiment
Below in conjunction with concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
Embodiment 1:
A damping paint of the present invention, comprises the component of following weight part: 25 parts of polyaminoester emulsions, 15 parts of ACRYLIC EMULSION, 35 parts of mica powder fillers, Al
2o
310 parts of microparticles, 5 parts of aluminum fibers, 8 parts of fire retardants, 1 part of defoamer, 1 part, sterilant.Wherein, Al
2o
3the particle diameter of microparticle is 5 microns～10 microns, and the diameter of aluminum fiber is 5 microns～10 microns, and the length of aluminum fiber is 80 microns～200 microns, and the particle diameter of mica powder is 1 micron～5 microns.
In the present embodiment, polyaminoester emulsion adopts the PUD-C1217 aqueous polyurethane of ShangHai SiSheng polymer Materials Co., Ltd; ACRYLIC EMULSION adopts Korea S Han Hua aqueous acrylic emulsion R-20 type.
In the present embodiment, defoamer adopts the water-based mastic coatings defoamer DF-8202 type of De Feng Chemical Co., Ltd., fire retardant adopts the LM-8001 type flame retardant for coating of Qingdao Lian Mei Chemical Co., Ltd., and sterilant adopts the LM-10 type sterilant of Yong Yan Chemical Industry Science Co., Ltd.
A preparation method for the damping paint of above-mentioned the present embodiment, comprises the following steps:
(1) preparation of dispersion agent:
Start emulsion dispersed with stirring device, add successively wherein the polyaminoester emulsion of 25 weight parts, the ACRYLIC EMULSION of 15 weight parts, fully stir 30 minutes, stirring velocity is 1200 turn/min, then the defoamer that adds 1 weight part, reduce turn/min of stirring velocity to 300, continue to stir half an hour, obtain take polyaminoester emulsion and ACRYLIC EMULSION as main dispersion agent.
(2) adding and paint of filler and auxiliary agent:
The dispersion agent that step (1) is obtained adds in ball grinder, then adds successively the mica powder of 35 weight parts, the Al of 10 weight parts in ball grinder
2o
3the sterilant of the fire retardant of the aluminum fiber of microparticle, 5 weight parts, 8 weight parts and 1 weight part.Start ball mill, after Ball milling 30min, discharging, obtains damping paint.The test result of the dissipation factor of damping paint prepared by the present embodiment under differing temps and thermal conductivity is in Table 1.
Embodiment 2:
A damping paint of the present invention, comprises the component of following weight part: 25 parts of polyaminoester emulsions, 15 parts of ACRYLIC EMULSION, 30 parts of mica powder fillers, Al
2o
315 parts of microparticles, 5 parts of aluminum fibers, 8 parts of fire retardants, 1 part of defoamer, 1 part, sterilant.Wherein, Al
2o
3the particle diameter of microparticle is 5 microns～10 microns, and the diameter of aluminum fiber is 5 microns～10 microns, and the length of aluminum fiber is 80 microns～200 microns, and the particle diameter of mica powder is 1 micron～5 microns.
In the present embodiment, polyaminoester emulsion adopts the PUD-C1217 aqueous polyurethane of ShangHai SiSheng polymer Materials Co., Ltd; ACRYLIC EMULSION adopts Korea S Han Hua aqueous acrylic emulsion R-20 type.
In the present embodiment, defoamer adopts the water-based mastic coatings defoamer DF-8202 type of De Feng Chemical Co., Ltd., fire retardant adopts the LM-8001 type flame retardant for coating of Qingdao Lian Mei Chemical Co., Ltd., and sterilant adopts the LM-10 type sterilant of Yong Yan Chemical Industry Science Co., Ltd.
A preparation method for the damping paint of above-mentioned the present embodiment, comprises the following steps:
(1) preparation of dispersion agent:
Start emulsion dispersed with stirring device, add successively wherein the polyaminoester emulsion of 25 weight parts, the ACRYLIC EMULSION of 15 weight parts, fully stir 30 minutes, stirring velocity is 1200 turn/min, then the defoamer that adds 1 weight part, reduce turn/min of stirring velocity to 300, continue to stir half an hour, obtain take polyaminoester emulsion and ACRYLIC EMULSION as main dispersion agent.
(2) adding and paint of filler and auxiliary agent:
The dispersion agent that step (1) is obtained adds in ball grinder, then adds successively the mica powder of 30 weight parts, the Al of 15 weight parts in ball grinder
2o
3the sterilant of the fire retardant of the aluminum fiber of microparticle, 5 weight parts, 8 weight parts and 1 weight part.Start ball mill, after Ball milling 30min, discharging, obtains damping paint.The test result of the dissipation factor of damping paint prepared by the present embodiment under differing temps and thermal conductivity is in Table 1.
Embodiment 3:
A damping paint of the present invention, comprises the component of following weight part: 25 parts of polyaminoester emulsions, 15 parts of ACRYLIC EMULSION, 25 parts of mica powder fillers, Al
2o
320 parts of microparticles, 5 parts of aluminum fibers, 8 parts of fire retardants, 1 part of defoamer, 1 part, sterilant.Wherein, Al
2o
3the particle diameter of microparticle is 5 microns～10 microns, and the diameter of aluminum fiber is 5 microns～10 microns, and the length of aluminum fiber is 80 microns～200 microns, and the particle diameter of mica powder is 1 micron～5 microns.
In the present embodiment, polyaminoester emulsion adopts the PUD-C1217 aqueous polyurethane of ShangHai SiSheng polymer Materials Co., Ltd; ACRYLIC EMULSION adopts Korea S Han Hua aqueous acrylic emulsion R-20 type.
In the present embodiment, defoamer adopts the water-based mastic coatings defoamer DF-8202 type of De Feng Chemical Co., Ltd., fire retardant adopts the LM-8001 type flame retardant for coating of Qingdao Lian Mei Chemical Co., Ltd., and sterilant adopts the LM-10 type sterilant of Yong Yan Chemical Industry Science Co., Ltd.
A preparation method for the damping paint of above-mentioned the present embodiment, comprises the following steps:
(1) preparation of dispersion agent:
Start emulsion dispersed with stirring device, add successively wherein the polyaminoester emulsion of 25 weight parts, the ACRYLIC EMULSION of 15 weight parts, fully stir 30 minutes, stirring velocity is 1200 turn/min, then the defoamer that adds 1 weight part, reduce turn/min of stirring velocity to 300, continue to stir half an hour, obtain take polyaminoester emulsion and ACRYLIC EMULSION as main dispersion agent.
(2) adding and paint of filler and auxiliary agent:
The dispersion agent that step (1) is obtained adds in ball grinder, then adds successively the mica powder of 25 weight parts, the Al of 20 weight parts in ball grinder
2o
3the sterilant of the fire retardant of the aluminum fiber of microparticle, 5 weight parts, 8 weight parts and 1 weight part.Start ball mill, after Ball milling 30min, discharging, obtains damping paint.The test result of the dissipation factor of damping paint prepared by the present embodiment under differing temps and thermal conductivity is in Table 1.
Following table 1 is the dissipation factor of damping paint under differing temps and the test result of thermal conductivity of above-described embodiment 1～3 preparation.As shown in Table 1, from embodiment 1 to embodiment 3, along with Al
2o
3the increase of weight part, the dissipation factor of damping declines to some extent, but thermal conductivity increases to some extent accordingly, therefore can match according to actual demand.
Dissipation factor and the thermal conductivity of the damping paint of table 1 embodiment 1～3 under differing temps
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment.All technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.Be noted that for those skilled in the art, improvements and modifications under the premise without departing from the principles of the invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a damping paint, is characterized in that, described damping paint comprises the component of following weight part:
2. damping paint according to claim 1, is characterized in that, described Al
2o
3particle diameter≤10 micron of microparticle; Diameter≤10 micron of described aluminum fiber, length≤200 micron of described aluminum fiber.
3. damping paint according to claim 2, is characterized in that, described Al
2o
3the particle diameter of microparticle is 5 microns～10 microns; The diameter of described aluminum fiber is 5 microns～10 microns, and the length of described aluminum fiber is 80 microns～200 microns.
4. according to the damping paint described in any one in claim 1～3, it is characterized in that, described polyaminoester emulsion is aqueous polyurethane emulsion; Described ACRYLIC EMULSION is aqueous acrylic emulsion.
5. according to the damping paint described in any one in claim 1～3, it is characterized in that, the particle diameter of described mica powder is 1 micron～5 microns.
6. according to the damping paint described in any one in claim 1～3, it is characterized in that, described defoamer is one or more in DF-851 defoamer, DF-8202 defoamer, DF-8205 defoamer, DF-8206 defoamer; Described fire retardant is one or more in LM-8001 fire retardant, LM-NPP8081 fire retardant, LM-NPP8083 fire retardant; Described sterilant is one or more in LM-10 sterilant, YDL-15 sterilant, HTK-30 sterilant.
7. a preparation method for the damping paint as described in any one in claim 1～6, comprises the following steps:
(1) preparation of dispersion agent: the ACRYLIC EMULSION of the polyaminoester emulsion of 20～30 weight parts and 10～15 weight parts mixed and stirred, then add the defoamer of 1～2 weight part, continuing to stir, obtaining dispersion agent;
(2) adding and paint of filler and auxiliary agent: add the mica powder of 25～40 weight parts, the Al of 10～20 weight parts in dispersion agent
2o
3the sterilant of the fire retardant of the aluminum fiber of microparticle, 5～10 weight parts, 2～8 weight parts and 0.5～1 weight part, after dispersed with stirring, obtains damping paint.
8. preparation method according to claim 7, is characterized in that, in described step (1), adds before defoamer, and the speed of described stirring is 1000 turn/min of turn/min～1200, and the time of described stirring is 25min～35min; Add after defoamer, the speed of described stirring is 280 turn/min of turn/min～380, and the time of described stirring is 25min～35min.
9. according to the preparation method described in claim 7 or 8, it is characterized in that, in described step (2), the time of described stirring is 25min～35min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523281.9A CN104212327B (en) | 2014-09-30 | 2014-09-30 | damping paint and preparation method thereof |
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|---|---|---|---|
| CN201410523281.9A CN104212327B (en) | 2014-09-30 | 2014-09-30 | damping paint and preparation method thereof |
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| CN104212327B CN104212327B (en) | 2016-07-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936741A (en) * | 2015-12-22 | 2016-09-14 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN106590203A (en) * | 2016-12-21 | 2017-04-26 | 深圳摩方新材科技有限公司 | Preparation and application of thermal conductive wide temperature range damping coating |
| CN107434936A (en) * | 2017-08-03 | 2017-12-05 | 合肥泓定科技有限公司 | High-temperature-range water-based damping paint and preparation method thereof |
| CN107987703A (en) * | 2017-12-18 | 2018-05-04 | 海宁迪万沃浦建材科技有限公司 | A kind of damping paint and its processing method |
| CN110028865A (en) * | 2019-04-15 | 2019-07-19 | 国网湖南省电力有限公司 | A kind of electronic irradiation modified damping paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101113241A (en) * | 2006-07-24 | 2008-01-30 | 住友化学株式会社 | Thermal conductive resin composition |
| CN102702900A (en) * | 2012-05-17 | 2012-10-03 | 青岛爱尔家佳新材料有限公司 | Novel water-based damping sound-absorbing paint and preparation method thereof |
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2014
- 2014-09-30 CN CN201410523281.9A patent/CN104212327B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113241A (en) * | 2006-07-24 | 2008-01-30 | 住友化学株式会社 | Thermal conductive resin composition |
| CN102702900A (en) * | 2012-05-17 | 2012-10-03 | 青岛爱尔家佳新材料有限公司 | Novel water-based damping sound-absorbing paint and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936741A (en) * | 2015-12-22 | 2016-09-14 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN105936741B (en) * | 2015-12-22 | 2019-06-28 | 海德恩（天津）科技有限公司 | Polymer damping material and preparation method thereof |
| CN106590203A (en) * | 2016-12-21 | 2017-04-26 | 深圳摩方新材科技有限公司 | Preparation and application of thermal conductive wide temperature range damping coating |
| CN106590203B (en) * | 2016-12-21 | 2019-03-19 | 深圳摩方新材科技有限公司 | A kind of preparation and application of thermal conductivity wide temperature range damping coating |
| CN107434936A (en) * | 2017-08-03 | 2017-12-05 | 合肥泓定科技有限公司 | High-temperature-range water-based damping paint and preparation method thereof |
| CN107987703A (en) * | 2017-12-18 | 2018-05-04 | 海宁迪万沃浦建材科技有限公司 | A kind of damping paint and its processing method |
| CN110028865A (en) * | 2019-04-15 | 2019-07-19 | 国网湖南省电力有限公司 | A kind of electronic irradiation modified damping paint and preparation method thereof |
| CN110028865B (en) * | 2019-04-15 | 2021-11-26 | 国网湖南省电力有限公司 | Electron irradiation modified damping coating and preparation method thereof |
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| CN104212327B (en) | 2016-07-06 |
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