CN105349013A - Nano carbon paste and preparation method thereof - Google Patents
Nano carbon paste and preparation method thereof Download PDFInfo
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- CN105349013A CN105349013A CN201510844611.9A CN201510844611A CN105349013A CN 105349013 A CN105349013 A CN 105349013A CN 201510844611 A CN201510844611 A CN 201510844611A CN 105349013 A CN105349013 A CN 105349013A
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Abstract
The invention relates to the field of thermal interface materials. The invention provides nano carbon paste which consists of the following components in parts by weight: 5-50 parts of resin, 10-60 parts of a solvent, 0.1-5 parts of auxiliaries, and 0.5-35 parts of a nano-scale filler; the nano-scale filler is one or a mixture of two or more than two of nano graphite, nano graphene, a carbon nano tube, conductive channel black, acetylene black, furnace black and nano carbon fiber. A preparation method of the nano carbon paste comprises the following steps: A, weighing raw materials in proportion; B, mixing the nano-scale filler with the solvent to obtain a mixture, adding the auxiliaries into the mixture, mixing the mixture at a high speed, oscillating the mixture and grinding the mixture; and C, adding the resin into the mixture after uniformly dispersing the mixture, and grinding the mixture to obtain the nano carbon paste. The nano carbon paste is good in heat-conducting property, high in adhesion, high in hardness, good in wear resistance and excellent in chemical resistance. The preparation method of the nano carbon paste is simple in process and high in yield, and can be effectively applied to industrial production, so that commercial use of the nano carbon paste is promoted.
Description
Technical field
The present invention relates to heat interfacial material field, particularly a kind of nano-sized carbon slurry and preparation method thereof.
Background technology
Since the nineties in 20th century, the heat dissipation problem of electronic product has become one of pendulum ultimate challenge in face of designers undoubtedly.Along with printed circuit board industry (PCB) is towards the development in high-density, multiple stratification direction, components and parts carry on PCB, the space of installation is significantly reduced, and the power requirement of complete machine electronic product to power component is more and more higher.Little space is high-power inevitably produces more heat accumulation, causes components and parts electric property to decline and even damages.On the other hand, constantly promptly must expand in the application market of the PCB of the heat-resisting environment long term operation of height, as the IC base plate for packaging, LED-baseplate, novel power supply module etc. of automotive electronics, high integration; For carrying components and parts and the substrate of the circuit of their quality inspections of conducting, then need higher heat-conductive characteristic.Therefore, the heat dispersion how improving circuit card by heat interfacial material becomes the major issue that Material Field needs to solve.
Nano-sized carbon slurry has excellent heat conductivility, sticking power, hardness, wear-resisting and chemical resistance etc., can be coated on substrate and make it to reach higher heat-conductive characteristic.
Summary of the invention
The object of the present invention is to provide a kind of nano-sized carbon slurry with excellent heat conductivity performance, the present invention proposes following technical scheme:
A kind of nano-sized carbon slurry, this nano-sized carbon slurry component and each component proportion as follows:
Resin: 5 ~ 50 parts;
Solvent: 10 ~ 60 parts;
Auxiliary agent: 0.1 ~ 5 part;
Nano-sized filler: 0.5 ~ 35 part;
Described nano-sized filler is one in nano-graphite, nano-graphene, carbon nanotube, conductive channel black, acetylene black, furnace treated black, carbon nano fiber or two or more mixture.
As a preferred embodiment of the present invention, described resin comprises one or more the mixture in the synthetics of vinylformic acid, urethane, vinylformic acid and urethane.
As another kind of preferred version of the present invention, described solvent comprises the one or more kinds of mixtures in deionized water, aromatic hydrocarbon solvent, fat hydrocarbon solvent, ketones solvent, alcoholic solvent, esters solvent, alcohol ether solvent, animal oils, mineral oil.
As another preferred version of the present invention, described auxiliary agent comprises the one or more kinds of mixtures in dispersion agent, wetting agent, defoamer, protective material, membrane-forming agent, coupling agent, softening agent, thickening material, flow agent, thixotropic agent, sterilant, matting agent.
As another preferred version of the present invention, the particle diameter of described nano-sized filler is 1 ~ 100 nanometer.
As another preferred version of the present invention, the fineness of described nano-sized carbon slurry is 10 ~ 200 nanometers.
Another object of the present invention is the preparation method providing a kind of nano-sized carbon to starch, and this preparation method comprises the following steps:
A, take raw material according to proportioning;
B, by nano-sized filler and solvent, and add auxiliary agent, high-speed stirring, vibration, grinding; C, be uniformly dispersed after add resin, grinding, obtain described nano-sized carbon slurry.
The beneficial effect that the present invention brings is:
Nano-sized carbon slurry good heat conductivity of the present invention, strong adhesion, hardness is high, and wear resisting property is good, and chemical resistance is excellent, can be coated on circuit card, makes circuit card and electronic product have very high heat-conductive characteristic.
The making method technique of nano-sized carbon slurry of the present invention is simple, and output is high, effectively can be applied to industrial production, and the commercialization promoting nano-sized carbon of the present invention to starch uses.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1: nano-sized carbon is starched, and its constitutive material composition and proportioning are: Nano graphite powder 14 parts, urethane resin 29 parts, deionized water 50 parts, ethanol 10 parts, dispersion agent 0.3 part, wetting agent 0.5 part, defoamer 0.1 part, matting agent 0.2 part.
The preparation method of nano-sized carbon slurry, comprises the following steps:
Nano graphite powder, deionized water, ethanol, dispersion agent, wetting agent and homogenizer high speed are disperseed 1h, vibrate mixed solution 1h, then after putting into basket type sand mill high speed grinding 2h, urethane resin, defoamer and matting agent is added in basket type sand mill, stir while adding, middle low speed grinding 2h.
Embodiment 2: nano-sized carbon is starched, and its constitutive material composition and proportioning are: acetylene black 1 part, Nano graphite powder 13 parts, urethane resin 29 parts, deionized water 55 parts, ethanol 5 parts, dispersion agent 0.5 part, wetting agent 0.5 part, defoamer 0.1 part, matting agent 0.2 part.
The preparation method of nano-sized carbon slurry, comprises the following steps:
Acetylene black, Nano graphite powder, deionized water, ethanol, dispersion agent, wetting agent and homogenizer high speed are disperseed 1h, vibrate mixed solution 1h, then after putting into basket type sand mill high speed grinding 3h, urethane resin, defoamer and matting agent is added in basket type sand mill, stir while adding, middle low speed grinding 3h.
Embodiment 3: nano-sized carbon is starched, and its constitutive material composition and proportioning are: acetylene black 1.5 parts, urethane resin 29, deionized water 60 parts, dispersion agent 1 part, wetting agent 0.1 part, defoamer 0.1 part, matting agent 0.2 part.
The preparation method of nano-sized carbon slurry, comprises the following steps:
Acetylene black, deionized water, dispersion agent, wetting agent and homogenizer high speed are disperseed 1h, vibrate mixed solution 1h, after then putting into basket type sand mill high speed grinding 2h, adds urethane resin, defoamer and matting agent in basket type sand mill, stir while adding, middle low speed grinding 2h.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (8)
1. nano-sized carbon slurry, is characterized in that: this nano-sized carbon slurry component and each component proportion as follows:
Resin: 5 ~ 50 parts;
Solvent: 10 ~ 60 parts;
Auxiliary agent: 0.1 ~ 5 part;
Nano-sized filler: 0.5 ~ 35 part;
Described nano-sized filler is one in nano-graphite, nano-graphene, carbon nanotube, conductive channel black, acetylene black, furnace treated black, carbon nano fiber or two or more mixture.
2. a kind of nano-sized carbon slurry according to claim 1, is characterized in that: described resin comprises one or more the mixture in the synthetics of vinylformic acid, urethane, vinylformic acid and urethane.
3. a kind of nano-sized carbon slurry according to claim 1, is characterized in that: described solvent comprises the one or more kinds of mixtures in deionized water, aromatic hydrocarbon solvent, fat hydrocarbon solvent, ketones solvent, alcoholic solvent, esters solvent, alcohol ether solvent, animal oils, mineral oil.
4. a kind of nano-sized carbon slurry according to claim 1, is characterized in that: described auxiliary agent comprises the one or more kinds of mixtures in dispersion agent, wetting agent, defoamer, protective material, membrane-forming agent, coupling agent, softening agent, thickening material, flow agent, thixotropic agent, sterilant, matting agent.
5. a kind of nano-sized carbon slurry according to claim 1, is characterized in that: the particle diameter of described nano-sized filler is 1 ~ 100 nanometer.
6. a kind of nano-sized carbon slurry according to claim 1, is characterized in that: the fineness of described nano-sized carbon slurry is 10 ~ 200 nanometers.
7. a preparation method for nano-sized carbon slurry described in claim 1, is characterized in that: this preparation method comprises the following steps:
A, take raw material according to proportioning;
B, by nano-sized filler and solvent, and add auxiliary agent, high-speed stirring, vibration, grinding;
C, be uniformly dispersed after add resin, grinding, obtain described nano-sized carbon slurry.
8. a preparation method for nano-sized carbon slurry described in claim 7, is characterized in that: in described step B, stirs 0.5 ~ 4h, vibration 0.5 ~ 4h, and grinding 2 ~ 80h, grinds 0.5 ~ 80h in step C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510844611.9A CN105349013A (en) | 2015-11-26 | 2015-11-26 | Nano carbon paste and preparation method thereof |
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| CN201510844611.9A CN105349013A (en) | 2015-11-26 | 2015-11-26 | Nano carbon paste and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433319A (en) * | 2016-10-14 | 2017-02-22 | 中国科学院山西煤炭化学研究所 | Waterborne environment-friendly conducive carbon paste based on graphene-carbon black composite filler and preparation method |
| CN106498465A (en) * | 2016-11-18 | 2017-03-15 | 珠海特普力高精细化工有限公司 | A kind of water-soluble conducting carbon nano-metal slurry and electrical-conductive nanometer metal carbon film bushing pipe |
| CN106952677A (en) * | 2017-03-28 | 2017-07-14 | 北京印刷学院 | A kind of high temperature resistant sensing conductive carbon paste and preparation method thereof |
| CN107416795A (en) * | 2017-09-06 | 2017-12-01 | 张永霞 | A kind of preparation method of conductive carbon nanotube tube material |
| CN107502205A (en) * | 2017-08-24 | 2017-12-22 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of graphene heat conduction and heat radiation copper foil slurry, heat conduction copper foil and preparation method thereof |
| CN108676436A (en) * | 2018-05-24 | 2018-10-19 | 林荣铨 | A kind of water-borne acrylic coatings |
| CN108844395A (en) * | 2018-04-23 | 2018-11-20 | 深圳市邦德威尔新型材料有限公司 | A kind of thermal component and its manufacture craft |
| CN108948840A (en) * | 2018-07-20 | 2018-12-07 | 张家港市山牧新材料技术开发有限公司 | A kind of formula of heat resistant type conductive coating |
| CN112011071A (en) * | 2019-05-31 | 2020-12-01 | 苏州清丰兴业塑胶有限公司 | Preparation method of anti-vomiting yellow-black glue |
| CN114213945A (en) * | 2021-11-18 | 2022-03-22 | 河南克莱威纳米碳材料有限公司 | Preparation method and application of carbon nanofiber functional coating |
| CN115279838A (en) * | 2020-03-11 | 2022-11-01 | 住友金属矿山株式会社 | Heat conductive paste |
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| CN104693897A (en) * | 2015-02-28 | 2015-06-10 | 济宁利特纳米技术有限责任公司 | Conductive ink based on graphene composite material and preparation method thereof |
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Patent Citations (3)
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| CN101691470A (en) * | 2009-10-12 | 2010-04-07 | 东莞市艾斯迪新材料有限公司 | Conductive and fire-retardant waterborne coating |
| CN103113786A (en) * | 2013-03-07 | 2013-05-22 | 苏州牛剑新材料有限公司 | Graphene conductive ink and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433319A (en) * | 2016-10-14 | 2017-02-22 | 中国科学院山西煤炭化学研究所 | Waterborne environment-friendly conducive carbon paste based on graphene-carbon black composite filler and preparation method |
| CN106498465A (en) * | 2016-11-18 | 2017-03-15 | 珠海特普力高精细化工有限公司 | A kind of water-soluble conducting carbon nano-metal slurry and electrical-conductive nanometer metal carbon film bushing pipe |
| CN106498465B (en) * | 2016-11-18 | 2019-02-01 | 珠海特普力高精细化工有限公司 | A kind of water-soluble conducting carbon nano-metal slurry and electrical-conductive nanometer metal carbon film bushing pipe |
| CN106952677A (en) * | 2017-03-28 | 2017-07-14 | 北京印刷学院 | A kind of high temperature resistant sensing conductive carbon paste and preparation method thereof |
| CN107502205A (en) * | 2017-08-24 | 2017-12-22 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of graphene heat conduction and heat radiation copper foil slurry, heat conduction copper foil and preparation method thereof |
| CN107416795A (en) * | 2017-09-06 | 2017-12-01 | 张永霞 | A kind of preparation method of conductive carbon nanotube tube material |
| CN108844395A (en) * | 2018-04-23 | 2018-11-20 | 深圳市邦德威尔新型材料有限公司 | A kind of thermal component and its manufacture craft |
| CN108676436A (en) * | 2018-05-24 | 2018-10-19 | 林荣铨 | A kind of water-borne acrylic coatings |
| CN108948840A (en) * | 2018-07-20 | 2018-12-07 | 张家港市山牧新材料技术开发有限公司 | A kind of formula of heat resistant type conductive coating |
| CN112011071A (en) * | 2019-05-31 | 2020-12-01 | 苏州清丰兴业塑胶有限公司 | Preparation method of anti-vomiting yellow-black glue |
| CN115279838A (en) * | 2020-03-11 | 2022-11-01 | 住友金属矿山株式会社 | Heat conductive paste |
| CN114213945A (en) * | 2021-11-18 | 2022-03-22 | 河南克莱威纳米碳材料有限公司 | Preparation method and application of carbon nanofiber functional coating |
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Address after: 215000, No. 9, Sheng Lu, Luzhi Town, Wuzhong District, Jiangsu, Suzhou Applicant after: Suzhou Tianmai Thermal Technology Co., Ltd. Address before: Wuzhong District Luzhi town Suzhou city Jiangsu province 215000 Huikai Road No. 6 Applicant before: Suzhou Tianmai Thermal Technology Co., Ltd. |
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Application publication date: 20160224 |
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| RJ01 | Rejection of invention patent application after publication |