CN108059892A - A kind of preparation method of insulated type heat radiation coating material - Google Patents
A kind of preparation method of insulated type heat radiation coating material Download PDFInfo
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- CN108059892A CN108059892A CN201711469855.9A CN201711469855A CN108059892A CN 108059892 A CN108059892 A CN 108059892A CN 201711469855 A CN201711469855 A CN 201711469855A CN 108059892 A CN108059892 A CN 108059892A
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- heat radiation
- radiation coating
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- 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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of preparation methods of insulated type heat radiation coating material, belong to technical field of coatings.Technical solution of the present invention uses rapeseed oil and methanol as raw material, in sodium hydroxide catalyzed lower carry out transesterification, generate fatty acid methyl ester rapeseed insulating oil, make it have higher dielectric constant, be conducive to improve the electric field distribution of combined insulation, extend the service life of insulated particle, by the modified particles vacuum freeze drying of preparation and be used as modified particles, effectively improve the insulation performance of heat radiation coating；And the present invention is by the way that inorganic filler is loaded in coating inside, due to inorganic filler particle contacting with each other in resin, form heat conduction network, therefore, the filler of different-grain diameter is selected to be compounded, increase contact point of the filler in resin, it is ensured that coating has higher thermal conductivity, the heat dissipation of the coating after the completion of raising heat radiation coating coating and heat conductivility.
Description
Technical field
The present invention relates to a kind of preparation methods of insulated type heat radiation coating material, belong to technical field of coatings.
Background technology
The progress of technology so that electronic product is in update at full speed.Such as：Light emitting semiconductor device LED, Yin Qifa
Light efficiency height, power saving, it is environmentally protective, stability is high the advantages that, will progressively substitute conventional light source；And with the continuous leather of technology
Newly, application field will constantly expand, particularly the current energy, the epoch of environmental constraints development, before LED has development well
Scape.But electronic component is in the prevalence of a key technology difficulty：Heat dissipation problem.For heat dissipation existing for current electronic component
Problem solves heat dissipation using coating technology and has been increasingly becoming current research hotspot.But current heat radiation coating generally existing attachment
The problem of force difference, thermo-labile and cooling-down effect is bad, limits application of the coating technology on electronic radiation.In order to make electronics first
Part temperature is controlled in normal scope, is ensured its normal work, is prepared the excellent combination properties such as heat dissipation effect, adhesive force
Coating is extremely urgent.
With the development of science and technology electronic industry develops rapidly, LED light, cpu pcb and high-power electronic device radiator
Deng the new demand that multifunction is proposed to heat generating device interface coating, in some electric insulation occasions, heat conducting coating is gone back sometimes
Must possess good electrical insulating property, the cooling requirements of insulation situations could be met.It is each that traditional thermal dispersant coatings rely primarily on addition
The filler of high heat conductance is planted to realize high thermal conductivity, generally using metal such as Au, Ag, Cu, Al, Mg etc. or nonmetallic materials such as
Graphite, carbon black etc. are used as filler, although with higher thermal conductivity, there is also some shortcomings：Electrical insulating property and chemically-resistant
Medium is poor, high expensive.In order to improve the disadvantages mentioned above of heat conducting coating, people focus onto oxide (such as A12O3、
MgO, BeO, ZnO etc.) and nitride (such as AlN, Si3N4, BN etc.) on, they not only have high heat conductance, but also have both good
Electrical insulating property disclosure satisfy that the application demand of insulating heat-conduction material.So how to prepare one kind have both insulation, heat conduction, radiation dissipate
The functional coating of thermal characteristics meets heat radiation coating for high IR emissivity, high thermal conductivity coefficient and high volume resistivity compatibility one
The demand of body is necessary.
The content of the invention
The technical problems to be solved by the invention：Poor for existing heat radiation coating electrical insulating property and resistant to chemical media
Problem provides a kind of preparation method of insulated type heat radiation coating material.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
（1）It counts in parts by weight, weighs 45~50 portions of rapeseed oils, 10~15 parts of methanol, 1~2 part of sodium hydroxide respectively and stir and mix
Merge heating water bath, obtain reaction solution and be placed in separatory funnel, stand, take supernatant liquor and be evaporated under reduced pressure, obtain enriched oil；
（2）Count in parts by weight, weigh respectively 45~50 parts of deionized waters, 6~8 parts of enriched oils and 12~15 parts of hydroxy propyl-Betas-
Cyclodextrin is placed in conical flask, is stirred simultaneously heating water bath, is obtained mixed liquor and in mass ratio 1:8, absolute ethyl alcohol is added dropwise
Into mixed liquor；
（3）It after absolute ethyl alcohol is added dropwise to complete, is stirred and filters, obtain filtrate and vacuum freeze drying, milled 200 mesh
Sieve, obtains modified particles；
（4）It counts in parts by weight, weighs 45~50 parts of acrylic resins, 10~15 parts of modified particles, 3~5 parts of humic acids respectively
Sodium and 3~5 parts of BYK-ATU dispersants are placed in beaker, are stirred to obtain matrix liquid, then are counted in parts by weight, weigh 55 respectively
~60 parts of matrix liquid, 10~15 part of 100 mesh carbon fiber powder, 3~5 part of 500 mesh aluminium nitride, 1~2 part of 200 mesh mica powder and 1~
2 portions of anti-settling agents 9020 are placed in grinder, and grinding distribution simultaneously sieves, and obtains filtrate, you can are prepared into the insulated type heat-radiation coating
Expect material.
Step（1）The vacuum distillation is vacuum distillation to the 1/5 of upper strata supernatant volume.
Step（2）The absolute ethyl alcohol drop rate is 2mL/min.
Step（3）Described is filtered into 0.45~0.50 μm of filtering with microporous membrane.
Compared with other methods, advantageous effects are the present invention：
（1）Technical solution of the present invention uses rapeseed oil and methanol as raw material, in sodium hydroxide catalyzed lower carry out transesterification, generates fat
Fatty acid methyl esters-rapeseed insulating oil make it have higher dielectric constant, are conducive to improve the electric field distribution of combined insulation, extend
The service life of insulated particle by the modified particles vacuum freeze drying of preparation and is used as modified particles, effectively improves heat dissipation
The insulation performance of coating；
（2）The present invention is by the way that inorganic filler is loaded in coating inside, due to phase mutual connection of the inorganic filler particle in resin
It touches, forms heat conduction network, therefore, the filler of different-grain diameter is selected to be compounded, increase contact point of the filler in resin, can protect
Demonstrate,proving coating has higher thermal conductivity, the heat dissipation of the coating after the completion of raising heat radiation coating coating and heat conductivility.
Specific embodiment
It counts in parts by weight, weighs 45~50 portions of rapeseed oils, 10~15 parts of methanol, 1~2 part of sodium hydroxide respectively and be placed in three
In the flask of angle, then 45~60min of heating water bath at 55~65 DEG C, it obtains reaction solution and is placed in separatory funnel, stand 6~8h
Afterwards, take supernatant liquor and be evaporated under reduced pressure to the 1/5 of upper strata supernatant volume, obtain enriched oil；Count in parts by weight, respectively weigh 45~
50 parts of deionized waters, 6~8 parts of enriched oils and 12~15 parts of hydroxypropyl-β-cyclodextrins are placed in conical flask, are stirred juxtaposition
1~2h of heating water bath at 25~30 DEG C, obtains mixed liquor and in mass ratio 1:8, absolute ethyl alcohol is added dropwise in mixed liquor, is controlled
Drop rate is 2mL/min, after being added dropwise to complete, is stirred and with 0.45~0.50 μm of filtering with microporous membrane, obtains filtrate simultaneously
Vacuum freeze drying, milled 200 mesh sieve, obtains modified particles；It counts in parts by weight, weighs 45~50 parts of acrylic acid trees respectively
Fat, 10~15 parts of modified particles, 3~5 parts of sodium humates and 3~5 parts of BYK-ATU dispersants are placed in beaker, are stirred
Matrix liquid, then count in parts by weight, weigh respectively 55~60 parts of matrix liquid, 10~15 part of 100 mesh carbon fiber powder, 3~5 parts
500 mesh aluminium nitride, 1~2 part of 200 mesh mica powder and 1~2 portion of anti-settling agent 9020 are placed in grinder, in 1250~1300r/min
1~2h of lower grinding distribution, 200 mesh sieves, which obtain filtrate, excessively can be prepared into the insulated type heat radiation coating material.
Example 1
It counts in parts by weight, weighs 45 portions of rapeseed oils, 10 parts of methanol, 1 part of sodium hydroxide respectively and be placed in conical flask, then 55
Heating water bath 45min at DEG C obtains reaction solution and is placed in separatory funnel, after standing 6h, takes supernatant liquor and is evaporated under reduced pressure supreme
The 1/5 of layer supernatant volume, obtains enriched oil；It counts in parts by weight, weighs 45 parts of deionized waters, 6 parts of enriched oils and 12 parts of hydroxyls respectively
Propyl-beta-cyclodextrin is placed in conical flask, is stirred and is placed in heating water bath 1h at 25 DEG C, obtains mixed liquor and in mass ratio
1:8, absolute ethyl alcohol is added dropwise in mixed liquor, drop rate is controlled after being added dropwise to complete, to be stirred and be used in combination for 2mL/min
0.45 μm of filtering with microporous membrane, obtains filtrate and vacuum freeze drying, and milled 200 mesh sieve obtains modified particles；In parts by weight
Meter weighs 45 parts of acrylic resins, 10 parts of modified particles, 3 parts of sodium humates and 3 parts of BYK-ATU dispersants and is placed in beaker respectively
In, be stirred to obtain matrix liquid, then count in parts by weight, weigh respectively 55 parts of matrix liquid, 10 part of 100 mesh carbon fiber powder, 3 parts
500 mesh aluminium nitride, 1 part of 200 mesh mica powder and 1 portion of anti-settling agent 9020 are placed in grinder, the grinding distribution under 1250r/min
1h, 200 mesh sieves, which obtain filtrate, excessively can be prepared into the insulated type heat radiation coating material.
Example 2
It counts in parts by weight, weighs 47 portions of rapeseed oils, 12 parts of methanol, 2 parts of sodium hydroxides respectively and be placed in conical flask, then 60
Heating water bath 47min at DEG C obtains reaction solution and is placed in separatory funnel, after standing 7h, takes supernatant liquor and is evaporated under reduced pressure supreme
The 1/5 of layer supernatant volume, obtains enriched oil；It counts in parts by weight, weighs 47 parts of deionized waters, 7 parts of enriched oils and 13 parts of hydroxyls respectively
Propyl-beta-cyclodextrin is placed in conical flask, is stirred and is placed in heating water bath 1h at 27 DEG C, obtains mixed liquor and in mass ratio
1:8, absolute ethyl alcohol is added dropwise in mixed liquor, drop rate is controlled after being added dropwise to complete, to be stirred and be used in combination for 2mL/min
0.47 μm of filtering with microporous membrane, obtains filtrate and vacuum freeze drying, and milled 200 mesh sieve obtains modified particles；In parts by weight
Meter weighs 47 parts of acrylic resins, 12 parts of modified particles, 4 parts of sodium humates and 4 parts of BYK-ATU dispersants and is placed in beaker respectively
In, be stirred to obtain matrix liquid, then count in parts by weight, weigh respectively 57 parts of matrix liquid, 12 part of 100 mesh carbon fiber powder, 4 parts
500 mesh aluminium nitride, 2 part of 200 mesh mica powder and 2 portions of anti-settling agents 9020 are placed in grinder, the grinding distribution under 1275r/min
2h, 200 mesh sieves, which obtain filtrate, excessively can be prepared into the insulated type heat radiation coating material.
Example 3
It counts in parts by weight, weighs 50 portions of rapeseed oils, 15 parts of methanol, 2 parts of sodium hydroxides respectively and be placed in conical flask, then 65
Heating water bath 60min at DEG C obtains reaction solution and is placed in separatory funnel, after standing 8h, takes supernatant liquor and is evaporated under reduced pressure supreme
The 1/5 of layer supernatant volume, obtains enriched oil；It counts in parts by weight, weighs 50 parts of deionized waters, 8 parts of enriched oils and 15 parts of hydroxyls respectively
Propyl-beta-cyclodextrin is placed in conical flask, is stirred and is placed in heating water bath 2h at 30 DEG C, obtains mixed liquor and in mass ratio
1:8, absolute ethyl alcohol is added dropwise in mixed liquor, drop rate is controlled after being added dropwise to complete, to be stirred and be used in combination for 2mL/min
0.50 μm of filtering with microporous membrane, obtains filtrate and vacuum freeze drying, and milled 200 mesh sieve obtains modified particles；In parts by weight
Meter weighs 50 parts of acrylic resins, 15 parts of modified particles, 5 parts of sodium humates and 5 parts of BYK-ATU dispersants and is placed in beaker respectively
In, be stirred to obtain matrix liquid, then count in parts by weight, weigh respectively 60 parts of matrix liquid, 15 part of 100 mesh carbon fiber powder, 5 parts
500 mesh aluminium nitride, 2 part of 200 mesh mica powder and 2 portions of anti-settling agents 9020 are placed in grinder, the grinding distribution under 1300r/min
2h, 200 mesh sieves, which obtain filtrate, excessively can be prepared into the insulated type heat radiation coating material.
Coating prepared by the present invention is carried out forming test, specific test result is as shown in following table table 1：
1 performance test table of table
As seen from the above table, the coating that prepared by the present invention has good water resistance, has both excellent mechanical property and insulation characterisitic.
Claims (4)
1. a kind of preparation method of insulated type heat radiation coating material, it is characterised in that specifically preparation process is：
（1）It counts in parts by weight, weighs 45~50 portions of rapeseed oils, 10~15 parts of methanol, 1~2 part of sodium hydroxide respectively and stir and mix
Merge heating water bath, obtain reaction solution and be placed in separatory funnel, stand, take supernatant liquor and be evaporated under reduced pressure, obtain enriched oil；
（2）Count in parts by weight, weigh respectively 45~50 parts of deionized waters, 6~8 parts of enriched oils and 12~15 parts of hydroxy propyl-Betas-
Cyclodextrin is placed in conical flask, is stirred simultaneously heating water bath, is obtained mixed liquor and in mass ratio 1:8, absolute ethyl alcohol is added dropwise
Into mixed liquor；
（3）It after absolute ethyl alcohol is added dropwise to complete, is stirred and filters, obtain filtrate and vacuum freeze drying, milled 200 mesh
Sieve, obtains modified particles；
（4）It counts in parts by weight, weighs 45~50 parts of acrylic resins, 10~15 parts of modified particles, 3~5 parts of humic acids respectively
Sodium and 3~5 parts of BYK-ATU dispersants are placed in beaker, are stirred to obtain matrix liquid, then are counted in parts by weight, weigh 55 respectively
~60 parts of matrix liquid, 10~15 part of 100 mesh carbon fiber powder, 3~5 part of 500 mesh aluminium nitride, 1~2 part of 200 mesh mica powder and 1~
2 portions of anti-settling agents 9020 are placed in grinder, and grinding distribution simultaneously sieves, and obtains filtrate, you can are prepared into the insulated type heat-radiation coating
Expect material.
2. a kind of preparation method of insulated type heat radiation coating material according to claim 1, it is characterised in that：Step（1）
The vacuum distillation is vacuum distillation to the 1/5 of upper strata supernatant volume.
3. a kind of preparation method of insulated type heat radiation coating material according to claim 1, it is characterised in that：Step（2）
The absolute ethyl alcohol drop rate is 2mL/min.
4. a kind of preparation method of insulated type heat radiation coating material according to claim 1, it is characterised in that：Step（3）
Described is filtered into 0.45~0.50 μm of filtering with microporous membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469855.9A CN108059892A (en) | 2017-12-29 | 2017-12-29 | A kind of preparation method of insulated type heat radiation coating material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711469855.9A CN108059892A (en) | 2017-12-29 | 2017-12-29 | A kind of preparation method of insulated type heat radiation coating material |
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| CN108059892A true CN108059892A (en) | 2018-05-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181212A (en) * | 2011-01-28 | 2011-09-14 | 谢金庚 | Radiating material and preparation method of radiating material |
| CN102682869A (en) * | 2012-04-11 | 2012-09-19 | 中国电力科学研究院 | Vegetable insulating oil, and preparation method of vegetable insulating oil |
| CN104293195A (en) * | 2014-09-22 | 2015-01-21 | 铜陵市新泰电容电器有限责任公司 | Electrolytic capacitor shell cooling coating containing rare-earth elements |
-
2017
- 2017-12-29 CN CN201711469855.9A patent/CN108059892A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181212A (en) * | 2011-01-28 | 2011-09-14 | 谢金庚 | Radiating material and preparation method of radiating material |
| CN102682869A (en) * | 2012-04-11 | 2012-09-19 | 中国电力科学研究院 | Vegetable insulating oil, and preparation method of vegetable insulating oil |
| CN104293195A (en) * | 2014-09-22 | 2015-01-21 | 铜陵市新泰电容电器有限责任公司 | Electrolytic capacitor shell cooling coating containing rare-earth elements |
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Application publication date: 20180522 |
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