CN105038374A - Cooling coating, cooling fin and manufacturing method - Google Patents
Cooling coating, cooling fin and manufacturing method Download PDFInfo
- Publication number
- CN105038374A CN105038374A CN201510555460.5A CN201510555460A CN105038374A CN 105038374 A CN105038374 A CN 105038374A CN 201510555460 A CN201510555460 A CN 201510555460A CN 105038374 A CN105038374 A CN 105038374A
- Authority
- CN
- China
- Prior art keywords
- electrographite
- silicon carbide
- aluminum oxide
- aluminium nitride
- carbon ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 title abstract description 10
- 238000007663 fining method Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims abstract description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 46
- 239000002270 dispersing agent Substances 0.000 claims description 29
- 229910017083 AlN Inorganic materials 0.000 claims description 23
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 23
- 125000003184 C60 fullerene group Chemical group 0.000 claims description 23
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 23
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 23
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 23
- 239000003575 carbonaceous material Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 16
- 239000004408 titanium dioxide Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- 229920000728 polyester Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000012876 carrier material Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of cooling and discloses a cooling coating, a cooling fin and a manufacturing method. The cooling coating, the cooling fin and the manufacturing method are used for dissipating heat of an electric heating device in a direct or indirect contact mode. The cooling coating comprises a carbon system material and a carrier material. The cooling efficiency is high. Compared with the prior art, the process is simple, and cost is low.
Description
Technical field
The present invention relates to cooling electronic component technical field, particularly relate in heating element thermal dispersant coatings, radiator element and manufacture method.
Background technology
In passive technical field of heat dissipation, Chinese patent: CN201310083816.0 discloses a kind of thermal dispersant coatings manufacture method, and use nano material, utilize the radiance of nano material to dispel the heat, heat dissipation is good.But because nano material price is more expensive, adds above-mentioned patent and make complex process, so product cost remains high.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of thermal dispersant coatings and manufacture method, this thermal dispersant coatings and manufacture method can take into account radiating efficiency during active heat removal, obtain the volume that when adopting passive heat radiation, electronic product is smaller and more exquisite simultaneously, improve electronic product radiating efficiency, reduce operating ambient temperature, technique is simple, and cost is low.
In order to solve the problems of the technologies described above, the invention provides a kind of thermal dispersant coatings, this thermal dispersant coatings, for directly or indirectly contacting the heat away produced by electric heating device, it comprises carbonaceous material and solid support material.
Say further, described carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
Say further, described solid support material is polyurethane series (PU), epoxy resin (EPOXY), urethane resin system (HYHRID), polyester (POLYESTER), fluoroolefin-vinyl ether (ester) copolymer coating (FEVE).
The present invention also provides a kind of radiator element, this radiator element is used for the heat away that electric heating device produces by directly or indirectly contact, this radiator element comprises heat-radiating substrate, and be at least simultaneously provided with thermal dispersant coatings at this heat-radiating substrate, described thermal dispersant coatings comprises carbonaceous material and solid support material.
Say further, described carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
Say further, described solid support material is polyurethane series (PU), epoxy resin (EPOXY), urethane resin system (HYHRID), polyester (POLYESTER), fluoroolefin-vinyl ether (ester) copolymer coating (FEVE).
Say further, described heat-radiating substrate and heat generating components contact surface are provided with bonding coat.
The present invention also provides a kind of manufacture method of thermal dispersant coatings, and transfer heat to ultrared thermal dispersant coatings for evenly arranging on electric heating device outside surface or heat-radiating substrate, this manufacture method comprises:
(1) powder body material preparation, carbonaceous material is comprised carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more and solid support material be polyurethane series, epoxy resin, urethane resin system, polyester, fluoroolefin-vinyl ether (ester) copolymer coating one or more mix, then melting and solidification, after extruding, carry out being ground into powder body material.
(2) step described powder body material being made thermal dispersant coatings comprises: heat sink material is uniformly distributed in heat source surface, and the thermal source that surface is provided with powder body material is placed on melting and solidification 1-20 minute at 100-200 DEG C of temperature.
Say further, described carbonaceous material carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
The present invention discloses a kind of for directly or indirectly contacting the thermal dispersant coatings of electric heating device heat away, radiator element and manufacture method.This thermal dispersant coatings comprises highly heat-conductive material, as graphite etc.During use by this thermal dispersant coatings directly or contacted with electric heating device by carrier, by the conductive material contained in thermal dispersant coatings, as graphite etc., heat is conducted fast and scatters.
The formula of the present invention to heat sink material improves, and do not add expensive nanometer class material, and technique is also improved, so cost reduces greatly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, and the accompanying drawing in describing is some embodiments of the present invention, to those skilled in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is radiator element embodiment cross-sectional view of the present invention.
Fig. 2 is that radiator element of the present invention uses schematic diagram.
Below in conjunction with embodiment, and with reference to accompanying drawing, the realization of the object of the invention, functional characteristics and advantage are described further.
Embodiment
In order to make object, technical scheme and the advantage that will invent clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, the invention provides that a kind of this radiator element comprises heat-radiating substrate 2 for directly or indirectly contacting the radiator element of electric heating device 1 heat away, this heat-radiating substrate 2 at least one side be provided with thermal dispersant coatings 3.
Specifically, this thermal dispersant coatings 2 comprises carbonaceous material and solid support material, carbonaceous material at least comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
Described solid support material can comprise polyurethane series (PU), epoxy resin (EPOXY), urethane resin system (HYHRID), polyester (POLYESTER) or fluoroolefin-vinyl ether (ester) copolymer coating (FEVE) etc.
During use, this radiator element is directly or indirectly contacted with electric heating device 1, as shown in Figure 2, can by be located at viscose glue on heat-radiating substrate 2 directly or indirectly and thermoelectric heating device fix.Because thermal dispersant coatings 3 comprises the material of high conduction performance, as graphite etc., when the heat on heater members reaches thermal dispersant coatings 3, heat is scattered by these high conduction materials thereupon.
Described heat-radiating substrate 2 is heat radiation material, comprises aluminium, copper, magnesium and alloy thereof etc., heat-radiating substrate 2 is provided with and is provided with bonding coat 4 with heat generating components 1 contact surface, is fixed during use by bonding coat 4 and heat generating components 1, easy for installation.
In order to the radiating effect of radiator element of the present invention is better described, test with metal-oxide-semiconductor, to post China Patent No.: the product of CN201310083816.0 is contrast, be called comparison product, find out with thermal imager and determine the hottest two points in metal-oxide-semiconductor surface, be respectively T1, T2 temperature to test, under using comparison product and using radiator element situation of the present invention, test acquisition temperature data is as shown in the table:
| Specification | Comparison product | Post radiator element |
| Envrionment temperature | 30.4 0C | 30.5 0C |
| T1 temperature | 66.2 0C | 66.5 0C |
| T2 temperature | 67.7 0C | 68.1 0C |
| T1 ascending temperature | 35.8 0C | 36 0C |
| T2 ascending temperature | 37.3 0C | 37.6 0C |
Data Comparison as can be seen from upper table, compared with comparison product, radiating effect is more or less the same, but because improves batching, so cost reduces greatly.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or equivalent replacement is carried out to wherein portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a thermal dispersant coatings, for directly or indirectly contacting the heat away produced by electric heating device, is characterized in that: it comprises carbonaceous material and solid support material.
2. thermal dispersant coatings according to claim 1, is characterized in that:
Described carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
3. thermal dispersant coatings according to claim 1, is characterized in that:
Described solid support material is polyurethane series, epoxy resin, urethane resin system, polyester, fluoroolefin-vinyl ether (ester) copolymer coating.
4. a radiator element, directly or indirectly contact is by the heat away of electric heating device generation, and this radiator element comprises heat-radiating substrate, it is characterized in that:
At least simultaneously be provided with thermal dispersant coatings at this heat-radiating substrate, described thermal dispersant coatings comprises carbonaceous material and solid support material.
5. radiator element according to claim 4, is characterized in that:
Described carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
6. radiator element according to claim 4, is characterized in that:
Described solid support material is polyurethane series, epoxy resin, urethane resin system, polyester, fluoroolefin-vinyl ether (ester) copolymer coating.
7. a manufacture method for thermal dispersant coatings, this manufacture method comprises:
(1) powder body material preparation, carbonaceous material is comprised carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more and solid support material be polyurethane series, epoxy resin, urethane resin system, polyester, fluoroolefin-vinyl ether (ester) copolymer coating one or more mix, then melting and solidification, after extruding, carry out being ground into powder body material.
Step 8.(2) described powder body material being made thermal dispersant coatings comprises: heat sink material is uniformly distributed in heat source surface, and the thermal source that surface is provided with powder body material is placed on melting and solidification 1-20 minute at 100-200 DEG C of temperature.
9. thermal dispersant coatings manufacture method according to claim 7, is characterized in that:
Described carbonaceous material comprise carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titanium dioxide wherein one or more, when carbonaceous material primarily of carbon ball C60, silicon carbide, electrographite, the mixture of aluminium nitride, aluminum oxide, titanium dioxide composition time, carbon ball C60, silicon carbide, electrographite, aluminium nitride, aluminum oxide, titania weight ratio is respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
10. the thermal dispersant coatings manufacture method according to claim 7 or 8, is characterized in that:
Described solid support material is polyurethane series, epoxy resin, urethane resin system, polyester, fluoroolefin-vinyl ether (ester) copolymer coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555460.5A CN105038374A (en) | 2015-09-02 | 2015-09-02 | Cooling coating, cooling fin and manufacturing method |
| PCT/CN2016/095271 WO2017036299A1 (en) | 2015-09-02 | 2016-08-15 | Heat dissipating coating, heat sink, and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510555460.5A CN105038374A (en) | 2015-09-02 | 2015-09-02 | Cooling coating, cooling fin and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105038374A true CN105038374A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510555460.5A Pending CN105038374A (en) | 2015-09-02 | 2015-09-02 | Cooling coating, cooling fin and manufacturing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105038374A (en) |
| WO (1) | WO2017036299A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017036299A1 (en) * | 2015-09-02 | 2017-03-09 | 普罗旺斯科技（深圳）有限公司 | Heat dissipating coating, heat sink, and manufacturing method |
| CN106793716A (en) * | 2017-02-28 | 2017-05-31 | 北京奇虎科技有限公司 | The heat abstractor and robot of robot control mainboard |
| CN106817883A (en) * | 2017-02-28 | 2017-06-09 | 北京奇虎科技有限公司 | A kind of heat abstractor and cam device of camera control mainboard |
| CN106960832A (en) * | 2016-01-08 | 2017-07-18 | Bgt材料有限公司 | Hexagonal boron nitride radiator structure |
| CN107529540A (en) * | 2017-10-16 | 2018-01-02 | 普罗旺斯科技（深圳）有限公司 | A kind of thermal dispersant coatings and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103436066A (en) * | 2012-04-13 | 2013-12-11 | 普罗旺斯科技（深圳）有限公司 | Heat dissipation coating, heat dissipation fin and manufacturing method |
| CN104861831A (en) * | 2015-06-10 | 2015-08-26 | 普罗旺斯科技（深圳）有限公司 | Graphene coating, graphene cooling fin and manufacturing methods of graphene coating and graphene cooling fin |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376655C (en) * | 2004-06-30 | 2008-03-26 | 鸿富锦精密工业（深圳）有限公司 | Thermal interface material |
| WO2010027070A1 (en) * | 2008-09-08 | 2010-03-11 | 新日鐵化学株式会社 | Highly heat conductive polyimide film, highly heat conductive metal-clad laminate and method for producing same |
| CN105038374A (en) * | 2015-09-02 | 2015-11-11 | 普罗旺斯科技（深圳）有限公司 | Cooling coating, cooling fin and manufacturing method |
-
2015
- 2015-09-02 CN CN201510555460.5A patent/CN105038374A/en active Pending
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2016
- 2016-08-15 WO PCT/CN2016/095271 patent/WO2017036299A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436066A (en) * | 2012-04-13 | 2013-12-11 | 普罗旺斯科技（深圳）有限公司 | Heat dissipation coating, heat dissipation fin and manufacturing method |
| CN104861831A (en) * | 2015-06-10 | 2015-08-26 | 普罗旺斯科技（深圳）有限公司 | Graphene coating, graphene cooling fin and manufacturing methods of graphene coating and graphene cooling fin |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017036299A1 (en) * | 2015-09-02 | 2017-03-09 | 普罗旺斯科技（深圳）有限公司 | Heat dissipating coating, heat sink, and manufacturing method |
| CN106960832A (en) * | 2016-01-08 | 2017-07-18 | Bgt材料有限公司 | Hexagonal boron nitride radiator structure |
| CN106793716A (en) * | 2017-02-28 | 2017-05-31 | 北京奇虎科技有限公司 | The heat abstractor and robot of robot control mainboard |
| CN106817883A (en) * | 2017-02-28 | 2017-06-09 | 北京奇虎科技有限公司 | A kind of heat abstractor and cam device of camera control mainboard |
| CN106793716B (en) * | 2017-02-28 | 2019-05-31 | 北京奇虎科技有限公司 | The radiator and robot of robot control mainboard |
| CN107529540A (en) * | 2017-10-16 | 2018-01-02 | 普罗旺斯科技（深圳）有限公司 | A kind of thermal dispersant coatings and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2017036299A1 (en) | 2017-03-09 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Jingsong Inventor after: Chen Yingfei Inventor after: Wu Zhengxuan Inventor before: Wu Zhengxuan |
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Application publication date: 20151111 |