CN107227095A - A kind of far infrared heating slurry and preparation method thereof - Google Patents
A kind of far infrared heating slurry and preparation method thereof Download PDFInfo
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- CN107227095A CN107227095A CN201710442346.0A CN201710442346A CN107227095A CN 107227095 A CN107227095 A CN 107227095A CN 201710442346 A CN201710442346 A CN 201710442346A CN 107227095 A CN107227095 A CN 107227095A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D5/24—Electrically-conducting paints
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
-
- 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
Abstract
The present invention provides a kind of far infrared heating slurry and preparation method thereof, and in terms of mass fraction, the slurry includes：15 20 parts of graphite, 5 10 parts of nano bamboo powdered carbon, ceramic 10 15 parts of cast charge, 20 25 parts of epoxy resin coating, 25 30 parts of epoxy resin white spirit, 24 parts of curing agent, 5 10 parts of silicon powder, 24 parts of auxiliary agent；The present invention improves the electric conductivity and elevated temperature cohesiveness of heat generating pastes by introducing nano bamboo powdered carbon, polycarboxylic acid's ammonia salt ceramic dispersants and silicon powder.
Description
Technical field
The present invention relates to electric slurry field, more particularly, to a kind of far infrared heating slurry and preparation method thereof.
Background technology
Carbon crystal heating board is the addition far infrared transmission agent and temperature limiting agent etc. in microcrystal grain, with special process with preparing
Fabrication techniques are formed.Adopted suitable for domestic heating, office building heating, school dormitory's office building, StoreFront heating, central heating auxiliary
Warm, chess and card room, hospital, hotel, bath center, greenhouse booth thermal insulation, warehouse insulation etc..Carbon crystal heating board is used as one kind
Emerging heating product, environmental protection and health care, are promoted well in south China area, and then carbon crystal heating board generates heat
Slurry is widely studied, but current heat generating pastes there are problems that poorly conductive, too high in resistance, therefore have
Necessity provides a kind of combination property good far infrared heating slurry.
The content of the invention
It is an object of the invention to provide a kind of heat generating pastes, can overcoming the defect of prior art, there is provided one kind is comprehensive
The good far infrared heating slurry of energy.
To achieve these goals, a kind of far infrared heating slurry is provided according to an aspect of the present invention, with mass fraction
Meter, the slurry includes：15-20 parts of graphite, 5-10 parts of nano bamboo powdered carbon, ceramic 10-15 parts of cast charge, epoxy resin coating 20-25
Part, 25-30 parts of epoxy resin white spirit, 2-4 parts of curing agent, 5-10 parts of silicon powder, 2-4 parts of auxiliary agent.
A kind of preparation method of heat generating pastes is provided according to another aspect of the present invention, and the preparation method includes：
(1) graphite, nano bamboo powdered carbon, ceramic cast charge, silicon powder and auxiliary agent are well mixed；
(2) epoxy resin coating and epoxy resin white spirit are well mixed, then added mixed obtained by step (1)
Material and curing agent, are mixed again.
Technical scheme has the following advantages that：
(1) by introducing nano bamboo powdered carbon, using the cooperation of nano bamboo powdered carbon and graphite, the conduction of heat generating pastes is improved
Property；
(2) by adding silicon powder, heat generating pastes solidification cracking can be prevented, improves the elevated temperature cohesiveness of heat generating pastes；
(3) present invention improves the dispersiveness of powder, and then improve by introducing polycarboxylic acid's ammonia salt ceramic dispersants
The electric conductivity of heat generating pastes；
(4) present invention is combined by the suitable ceramic cast charge of selection so that the far infrared transmissivity of heat generating pastes reaches
More than 80%.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describing being preferable to carry out for the present invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by embodiments set forth herein.Phase
Instead there is provided these embodiments be in order that the present invention is more thorough and complete, and can be by the scope of the present invention intactly
Convey to those skilled in the art.
A kind of far infrared heating slurry is provided according to an aspect of the present invention, and in terms of mass fraction, the slurry includes：Graphite
15-20 parts, 5-10 parts of nano bamboo powdered carbon, ceramic 10-15 parts of cast charge, 20-25 parts of epoxy resin coating, epoxy resin white spirit
25-30 parts, 2-4 parts of curing agent, 5-10 parts of silicon powder, 2-4 parts of auxiliary agent.
Preferably, the average grain diameter of the nano bamboo powdered carbon is 9000-12500 mesh.
Preferably, the ceramic cast charge is Al2O3、MnO2、SiO2、TiO2、ZrO2One kind or many in ceramic cast charge
Kind.
Preferably, the ceramic cast charge is Al2O3、SiO2And ZrO2Mixture, the Al2O3、SiO2And ZrO2Matter
Amount is than being 3:(2-3):(2-3).
In accordance with the present invention it is preferred that, the average grain diameter of the graphite is 9000-12500 mesh.
Preferably, the epoxy resin coating is bisphenol A type epoxy resin paint, bisphenol-A epoxy resin paint and Bisphenol F
One or more in type epoxy resin coating.
Preferably, the epoxy resin white spirit is butanol, isobutanol, cresols, alkyl phenol, polypropylene glycol glycidol
One or more in ether, polyethylene glycol glycidol and turpentine oil；The curing agent be kitimine, m-xylene diamine,
One or more in different Buddhist diketone diamines, thio-alcohol.
Preferably, the auxiliary agent includes dispersant and coupling agent, and the dispersant is polycarboxylic acid's ammonia salt ceramic dispersants.
Preferably, the dispersant can be suitable any dispersant of the invention, preferably polycarboxylic acid's ammonia
Salt ceramic dispersants；The coupling agent can be suitable any coupling agent of the invention, preferably silane coupler.
The powder handled with silane coupler, can improve the wellability of powder and resin so that powder is easily mixed, without knot
Group's phenomenon.It can make the dispersiveness of powder more preferable from polycarboxylic acid's ammonia salt ceramic dispersants, and then improve heat generating pastes
Electric conductivity.
In accordance with the present invention it is preferred that, the mass ratio of the dispersant and the coupling agent is 1：0.5-1.
Each component material used in the present invention can be by commercially available.
A kind of preparation method of heat generating pastes is provided according to a further aspect of the invention, and the preparation method includes：
(1) graphite, nano bamboo powdered carbon, ceramic cast charge, silicon powder and auxiliary agent are well mixed；
(2) epoxy resin coating and epoxy resin white spirit are well mixed, then added mixed obtained by step (1)
Material and curing agent, are mixed again.
In accordance with the present invention it is preferred that, the mixing condition of the step (1) and the step (2) includes：Mixing speed is
550-650 revs/min, mixing time is 20-30min.
Further illustrate by the following examples：
Polycarboxylic acid's ammonia salt ceramic dispersants used in following examples are purchased from Weifang Heng Hai Chemical Co., Ltd.s, model
Dispersant9327。
Embodiment 1
The present invention provides a kind of far infrared heating slurry, and in terms of mass fraction, the slurry includes：15 parts of graphite, nano bamboo
5 parts of powdered carbon, ceramic 10 parts of cast charge, 20 parts of epoxy resin coating, 25 parts of epoxy resin white spirit, 2 parts of curing agent, 5 parts of silicon powder,
The matter of 2 parts of polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler, polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler
Amount is than being 1:0.8；Wherein, the ceramic cast charge is Al2O3、SiO2And ZrO2Mixture, the Al2O3、SiO2And ZrO2's
Mass ratio is 3:2:Epoxy resin coating described in 2 is bisphenol A type epoxy resin paint, and the epoxy resin white spirit is turpentine oil, institute
Curing agent is stated for m-xylene diamine；
The preparation method of the far infrared heating slurry of the present embodiment includes：(1) graphite, nano bamboo powdered carbon, ceramics are launched
Agent, silicon powder, polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler are well mixed；(2) by epoxy resin coating and asphalt mixtures modified by epoxy resin
Fat white spirit is well mixed, and is then added mixed material and curing agent obtained by step (1), is mixed again；Wherein,
The mixing condition of the step (1) and the step (2) includes：Mixing speed is 600 revs/min, and mixing time is 25min.
Embodiment 2
The present invention provides a kind of far infrared heating slurry, and in terms of mass fraction, the slurry includes：18 parts of graphite, nano bamboo
8 parts of powdered carbon, ceramic 13 parts of cast charge, 23 parts of epoxy resin coating, 28 parts of epoxy resin white spirit, 3 parts of curing agent, 8 parts of silicon powder,
The matter of 3 parts of polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler, polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler
Amount is than being 1:0.8；Wherein, the ceramic cast charge is Al2O3、SiO2And ZrO2Mixture, the Al2O3、SiO2And ZrO2's
Mass ratio is 3:2:2, the epoxy resin coating is bisphenol-A epoxy resin paint, and the epoxy resin white spirit is turpentine
Oil, the curing agent is m-xylene diamine；
The preparation method be the same as Example 1 of the far infrared heating slurry of the present embodiment.
Embodiment 3
The present invention provides a kind of far infrared heating slurry, and in terms of mass fraction, the slurry includes：20 parts of graphite, nano bamboo
10 parts of powdered carbon, ceramic 15 parts of cast charge, 25 parts of epoxy resin coating, 30 parts of epoxy resin white spirit, 4 parts of curing agent, silicon powder 10
4 parts of part, polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler, polycarboxylic acid's ammonia salt ceramic dispersants and silane coupler
Mass ratio is 1:0.8；Wherein, the ceramic cast charge is Al2O3、SiO2And ZrO2Mixture, the Al2O3、SiO2And ZrO2
Mass ratio be 3:2:2, the epoxy resin coating is bisphenol f type epoxy resin paint, and the epoxy resin white spirit is turpentine oil,
The curing agent is m-xylene diamine；
The preparation method be the same as Example 1 of the far infrared heating slurry of the present embodiment.
Embodiment 4
The present embodiment is distinguished as the ceramic cast charge for ZrO with embodiment 12And MnO2Mixture, the ZrO2With
MnO2Mass ratio be 2:1, other each components and consumption and preparation method are same as Example 1.
Embodiment 5
The present embodiment is distinguished as the ceramic cast charge for ZrO with embodiment 12And TiO2Mixture, the ZrO2With
TiO2Mass ratio be 2:1, other each components and consumption and preparation method are same as Example 1.
Comparative example 1
Being distinguished as in component of the far infrared heating slurry of comparative example 1 and embodiment 1 does not add nano bamboo powdered carbon, and graphite is
20 parts, other each components and consumption and preparation method are same as Example 1.
Comparative example 2
Being distinguished as in component of the far infrared heating slurry of comparative example 2 and embodiment 1 does not add polycarboxylic acid's ammonia salt ceramics
Dispersant, dispersant used is polyvinylpyrrolidone, and other each components and consumption and preparation method are same as Example 1.
Comparative example 3
Being distinguished as in component of the far infrared heating slurry of comparative example 3 and embodiment 1 does not add silicon powder, other each components
And consumption and preparation method it is same as Example 1.
Test case 1
The heat generating pastes of embodiment 1- embodiments 5 and comparative example 1- comparative examples 2 are coated on to the epoxy plate for being pasted with copper sheet
On, wherein, copper sheet is contacted with heat generating pastes, and coating zone is 4cm × 6cm rectangular region, and thickness is 3mm, is then placed in
Dried, taken out after 20 minutes in 120 DEG C of baking oven, the resistance value of each heat generating pastes, test result are tested after room temperature cooling
Such as table 1；
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | |
| Resistance, Ω | 500 | 490 | 480 | 498 | 502 | 550 | 520 |
By test result, the present invention is by adding nano bamboo powdered carbon, using the cooperation of nano bamboo powdered carbon and graphite,
Improve the electric conductivity of heat generating pastes；The present invention improves the scattered of powder by introducing polycarboxylic acid's ammonia salt ceramic dispersants
Property, and then improve the electric conductivity of heat generating pastes.
Test case 2
The heat generating pastes of embodiment 1- embodiments 5 and comparative example 3 are coated into one piece of area on epoxy plate and thickness is homogeneous
Dried in same rectangular region, the baking oven for being then placed in 120 DEG C, oven temperature is transferred to 150 DEG C, progress after 20 minutes
High temperature resistant split test, takes out, test result such as table 2 after 3 hours；
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 3 | |
| Cracking situation | Without cracking | Without cracking | Without cracking | Without cracking | Without cracking | There are fine cracks on surface |
By test result, the present invention can prevent heat generating pastes solidification cracking, improve hair by adding silicon powder
The elevated temperature cohesiveness of hot slurry.
Test case 3
By the heat generating pastes of embodiment 1- embodiments 3 and embodiment 4- embodiments 5 coated on epoxy plate one piece of area and
Dried, taken out within 20 minutes, natural cooling is laggard in the rectangular region of thickness all same, the baking oven for being then placed in 120 DEG C
The test of row normal spectral emissivity, by test, embodiment 1- embodiments 3 are in 8-15 microns of wavelength band, normal direction
Spectral emissivity reaches more than 82%, and embodiment 4- embodiments 5 are in 8-15 microns of wavelength band, and Normal Luminous Intensity compares spoke
Penetrate rate and reach 80%.
By test result, the ceramic cast charge of present invention addition is Al2O3、SiO2And ZrO2Combination normal direction light
Compose emissivity and be better than ZrO2And MnO2And ZrO2And TiO2Combination, i.e., ceramic cast charge is Al2O3、SiO2And ZrO2Group
During conjunction, the far infrared transmissivity of obtained heat generating pastes is more preferable.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (10)
1. a kind of far infrared heating slurry, it is characterised in that in terms of mass fraction, the slurry includes：15-20 parts of graphite, nanometer
5-10 parts of bamboo charcoal powder, ceramic 10-15 parts of cast charge, 20-25 parts of epoxy resin coating, 25-30 parts of epoxy resin white spirit, curing agent
2-4 parts, 5-10 parts of silicon powder, 2-4 parts of auxiliary agent.
2. far infrared heating slurry according to claim 1, wherein, the ceramic cast charge is Al2O3、MnO2、SiO2、
TiO2、ZrO2One or more in ceramic cast charge.
3. far infrared heating slurry according to claim 1, wherein, the ceramic cast charge is Al2O3、SiO2And ZrO2's
Mixture, the Al2O3、SiO2And ZrO2Mass ratio be 3:(2-3):(2-3).
4. far infrared heating slurry according to claim 1, wherein, the average grain diameter of the graphite is 9000-12500
Mesh.
5. far infrared heating slurry according to claim 1, wherein, the epoxy resin coating is bisphenol A type epoxy resin
One or more in paint, bisphenol-A epoxy resin paint and bisphenol f type epoxy resin paint.
6. far infrared heating slurry according to claim 1, wherein, the epoxy resin white spirit be butanol, isobutanol,
One or more in cresols, alkyl phenol, polypropylene glycol glycidol ether, polyethylene glycol glycidol and turpentine oil；It is described solid
Agent is the one or more in kitimine, m-xylene diamine, different Buddhist diketone diamines, thio-alcohol.
7. far infrared heating slurry according to claim 1, wherein, the auxiliary agent includes dispersant and coupling agent, described
Dispersant is polycarboxylic acid's ammonia salt ceramic dispersants.
8. far infrared heating slurry according to claim 7, wherein, the mass ratio of the dispersant and the coupling agent is
1：0.5-1.
9. a kind of preparation method of the far infrared heating slurry in 1-8 according to claim described in any one, it is characterised in that
The preparation method includes：
(1) graphite, nano bamboo powdered carbon, ceramic cast charge, silicon powder and auxiliary agent are well mixed；
(2) epoxy resin coating and epoxy resin white spirit are well mixed, then add the mixed material obtained by step (1)
And curing agent, mixed again.
10. preparation method according to claim 9, wherein, the mixing condition bag of the step (1) and the step (2)
Include：Mixing speed is 550-650 revs/min, and mixing time is 20-30min.
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|---|---|---|---|---|
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| CN103214910A (en) * | 2013-04-03 | 2013-07-24 | 上海三思电子工程有限公司 | Radiation heat dissipation coating for reducing light-emitting diode (LED) chip junction temperature and preparation method thereof |
| CN104293095A (en) * | 2014-09-22 | 2015-01-21 | 铜陵市新泰电容电器有限责任公司 | Special water-based radiant heat dissipation coating for capacitor shell |
| CN106243913A (en) * | 2016-07-21 | 2016-12-21 | 乾坤（深圳）石墨烯科技有限公司 | LED shell nano ceramics dry powder of heat radiation electrostatic spraying and preparation method thereof |
| CN106470505A (en) * | 2016-07-29 | 2017-03-01 | 李哲元 | Energy-conserving and environment-protective high temperature resistant type far-infrared health-care semiconductor heating slurry |
-
2017
- 2017-06-13 CN CN201710442346.0A patent/CN107227095A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031051A (en) * | 2009-09-24 | 2011-04-27 | 广东骏丰投资有限公司 | Spectrum generator, preparation method thereof and preparation method of far-infrared radiant coating |
| CN103214910A (en) * | 2013-04-03 | 2013-07-24 | 上海三思电子工程有限公司 | Radiation heat dissipation coating for reducing light-emitting diode (LED) chip junction temperature and preparation method thereof |
| CN104293095A (en) * | 2014-09-22 | 2015-01-21 | 铜陵市新泰电容电器有限责任公司 | Special water-based radiant heat dissipation coating for capacitor shell |
| CN106243913A (en) * | 2016-07-21 | 2016-12-21 | 乾坤（深圳）石墨烯科技有限公司 | LED shell nano ceramics dry powder of heat radiation electrostatic spraying and preparation method thereof |
| CN106470505A (en) * | 2016-07-29 | 2017-03-01 | 李哲元 | Energy-conserving and environment-protective high temperature resistant type far-infrared health-care semiconductor heating slurry |
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Application publication date: 20171003 |