CN111808447A - Production process and production system of low-resistance carbon black for conductive plastics - Google Patents
Production process and production system of low-resistance carbon black for conductive plastics Download PDFInfo
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- CN111808447A CN111808447A CN202010712261.1A CN202010712261A CN111808447A CN 111808447 A CN111808447 A CN 111808447A CN 202010712261 A CN202010712261 A CN 202010712261A CN 111808447 A CN111808447 A CN 111808447A
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/56—Treatment of carbon black ; Purification
- C09C1/58—Agglomerating, pelleting, or the like by wet methods
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/19—Oil-absorption capacity, e.g. DBP values
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
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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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
Abstract
The invention discloses a production process and a production system of low-resistance carbon black for conductive plastics, wherein the production process comprises the following steps: feeding natural gas into a combustion chamber of a reaction furnace, and mixing and combusting the natural gas and hot air to form small particle size; simultaneously, preheating raw oil to 170-250 ℃ by a raw oil preheater, and spraying the raw oil into a throat section of a reaction furnace to generate carbon black flue gas; carrying out primary quenching on carbon black flue gas in a quenching section of a reaction furnace, sequentially carrying out heat exchange through an air preheater and a raw oil preheater, and then carrying out secondary quenching to reduce the temperature of the flue gas to 230-260 ℃; introducing the carbon black flue gas into a main filter bag device for collection; and adding the stable graphene suspension into carbon black granulation water, uniformly mixing by a mixer to form a mixed solution, and then carrying out wet granulation. The carbon black product of the invention has high carbon black oil absorption value, stable product performance, higher conductivity and uniformity, no more than 100mg/kg of screen residue and higher purity than the standard that national standard screen residue is no more than 1000 mg/kg.
Description
Technical Field
The invention relates to a production technology of conductive plastics, in particular to a production process and a production system of low-resistance carbon black for conductive plastics.
Background
Plastics are good insulators by themselves, and most plastics have volume resistivities exceeding 1015Omega. The plastic has excellent insulating property, so that the plastic is widely applied to the industries of electronics, electrics, machinery, chemical engineering and the like, static charges accumulated on the surface of a plastic product cannot be released due to the insulating property of the plastic, so that static voltage is formed, dirt such as dust and the like is easily adsorbed, and the phenomena of static discharge and electric shock can be generated after the static voltage reaches a certain degree.
Conductive plastics have applications such as prevention of electrification and removal of static electricity, and are widely used in many fields such as semiconductor materials, antistatic materials, and conductive materials.
At present, in China, except that the conductive carbon black for electronic components is basically made into a home-made product, most carbon black used for rubber and plastic, oil tanks, pipes, cables and the like in the market still depends on import and is expensive. Particularly, in recent years, the demand for conductive and static conductive carbon black for rubber and plastics in China is rapidly increased. Compared with the foreign countries, the carbon black in China has certain gaps in the aspects of production technology, equipment level, product performance and the like, mainly has more middle and low-grade products, has poorer performances in the aspects of dispersibility and resistivity, and has unstable product performance, particularly the product with good conductivity is often poorer in dispersibility, and the product with good dispersibility is insufficient in conductivity, thus being in an embarrassing situation.
Disclosure of Invention
The invention aims to provide a production process and a production system of low-resistance carbon black for conductive plastics, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a production process of low-resistance carbon black for conductive plastics comprises the following steps:
step S01, dehydrating the raw oil in advance through dehydrating equipment to reduce the moisture content of the raw oil to below 0.5%;
s02, preheating compressed air to 550-600 ℃ by an air preheater, and conveying the air to an air distribution chamber of the reaction furnace through a hot air pipeline;
step S03, feeding natural gas into a combustion chamber of the reaction furnace, and mixing and combusting the natural gas and the hot air fed out from the air distribution chamber in the step S02, wherein the temperature is controlled to be 1850-1900 ℃, and small particle sizes are formed; simultaneously, preheating raw oil to 170-250 ℃ by a raw oil preheater, and spraying the raw oil into a throat section of a reaction furnace to generate carbon black flue gas;
step S04, carrying out primary quenching on the carbon black flue gas in a quenching section of a reaction furnace, sequentially carrying out heat exchange through an air preheater and a raw oil preheater, and carrying out secondary quenching to reduce the temperature of the flue gas to 230-260 ℃;
step S05, introducing the carbon black flue gas into a main filter bag for collection, and conveying the collected carbon black to a cyclone separator through an air blower after the collected carbon black is crushed by a micron crusher 5;
step S05, adding the stable graphene suspension into carbon black granulating water, and uniformly mixing the stable graphene suspension and the carbon black granulating water through a mixer to form a mixed solution;
step S06, adding carbon black powder into a granulator by a wet granulation method, adding granulation water, wherein the pressure of the granulation water is 0.2-0.4 Mpa, the water contains 0.2-0.6% of graphene by mass percent of carbon black, and granulating to obtain carbon black granules.
As a further scheme of the invention: in the step S01, the raw oil is anthracene oil, and potassium carbonate is added as an additive.
As a further scheme of the invention: the mass concentration of the potassium carbonate is 2.0-2.5%, and the mass ratio of the mixed solution raw oil added with the potassium carbonate to the additive solution is 1000: 1-1500: 1.
As a further scheme of the invention: in step S04, the pressure of primary quenching water sprayed by the carbon black flue gas in the reaction furnace through primary quenching is 0.7-1.3 MPa; the pressure of the secondary quenching water sprayed by the secondary quenching is 0.7-1.3 MPa.
As a further scheme of the invention: in step S05, the graphene in the mixed solution accounts for 0.2-0.6% by mass of the mixed solution.
As a further scheme of the invention: further comprising step S07: putting the carbon black into a dryer for drying treatment.
As a further scheme of the invention: the outlet temperature of the dryer is 150-250 ℃.
A system for producing a low resistance carbon black for conductive plastics, comprising: the system comprises a reaction furnace, an air preheater, a raw oil preheater, a main filter bag device, a micron crusher, a cyclone separator, a granulator and a dryer, wherein the reaction furnace is respectively connected with the air preheater and the raw oil preheater, the air preheater and the raw oil preheater are respectively used for heating compressed air and raw oil, and the main filter bag device, the micron crusher, the cyclone separator, the granulator and the dryer are sequentially connected.
Compared with the prior art, the invention has the beneficial effects that: the carbon black product of the invention has high carbon black oil absorption value, stable product performance, higher conductivity and uniformity, no more than 100mg/kg of screen residue and higher purity than the standard that national standard screen residue is no more than 1000 mg/kg.
Drawings
FIG. 1 is a schematic diagram of a system for producing low resistance carbon black for conductive plastics.
Fig. 2 is an SEM image of a conventional conductive carbon black particle.
FIG. 3 is an SEM image of carbon black particles obtained in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in a first embodiment, a process for producing low resistance carbon black for conductive plastics includes the following steps:
step S01, dehydrating raw oil in advance through dehydrating equipment to reduce the original 2-3% moisture content of the raw oil to below 0.5%, wherein the raw oil is anthracene oil, potassium carbonate is added as an additive, the mass concentration of the potassium carbonate is 2.0-2.5%, and the mass ratio of the raw oil of a mixed solution added with the potassium carbonate to an additive solution is 1000: 1;
step S02, filtering the compressed air (the temperature before preheating is 80-110 ℃) to remove impurities, preheating the air to 550 ℃ by the air preheater 2 (the heat exchange process of the compressed air and the air preheater is about 3-5 seconds), and the flow of the air entering the furnace is 7.0-7.5 km3H, delivering the mixture to an air distribution chamber of the reaction furnace 1 through a hot air pipeline;
step S03, feeding natural gas and additives into a combustion chamber of the reaction furnace 1, mixing and combusting the natural gas and the additives with hot air fed from the air distribution chamber in the step S02, controlling the temperature at 1850-1900 ℃, and enhancing the reaction strength at high temperature so as to form small particle size;
simultaneously, preheating raw oil (with the temperature of 60-90 ℃) to 170-250 ℃ through a raw oil preheater (with the heat exchange process of 3-5 minutes), and then spraying the raw oil into a throat section of the reaction furnace 1, wherein the furnace inlet pressure of a raw oil gun is not lower than 2.5MPa, the flow of the raw oil gun is 2800kg/h, the temperature of the raw oil is 170-250 ℃, the atomization effect of the raw oil is ensured, and the content of screen residues is reduced; carrying out 15-25 mu s cracking reaction on the raw oil in a reaction section of a reaction furnace 1 to generate carbon black smoke;
step S04, carrying out primary quenching on the carbon black flue gas in a quenching section of a reaction furnace 1, wherein the pressure of the injected primary quenching water is 0.7-1.3 MPa, heating the carbon black flue gas to 570 ℃, sequentially carrying out heat exchange through an air preheater 2 and a raw oil preheater 3, wherein the heat exchange process is 3-5 minutes to 170-250 ℃, and finally carrying out secondary quenching, wherein the pressure of the injected secondary quenching water is 0.7-1.3 MPa, so that the temperature of the flue gas is reduced to 230-260 ℃;
step S05, collecting the cooled carbon black flue gas in a main filter bag 4, crushing the collected carbon black by a micron crusher 5, and conveying the crushed carbon black to a collecting cyclone separator 6 by an air blower;
step S05, adding the stable graphene suspension into carbon black granulating water, and uniformly mixing the stable graphene suspension and the carbon black granulating water through a mixer to form a mixed solution, wherein the graphene in the granulating water accounts for 0.2-0.6% of the mixed solution by mass percent;
and step S06, adopting wet granulation, adding carbon black powder into a granulator 7, adding granulation water, wherein the pressure of the granulation water is 0.2-0.4 Mpa, the water contains 0.2-0.6% of graphene by mass percent of carbon black, and granulating to obtain carbon black particles, so that the particle size of the carbon black particles is 0.5-1.4 mm.
Fig. 2 and 3 are SEM images of conventional conductive carbon black and carbon black particles produced in this example, respectively, and fig. 3 shows that carbon black is distributed between graphene sheets to achieve uniform dispersion. Conductivity analysis shows that the conductivity of the cyclostar carbon black can be improved by 30-50% by adding a small amount of modified graphene.
And step S07, adding the carbon black into the dryer 8, wherein the outlet temperature of the dryer 8 is 150-250 ℃, and packaging and storing after drying.
In a second embodiment, a process for producing a low resistance carbon black for conductive plastics comprises the steps of:
step S01, dehydrating raw oil in advance through dehydration equipment to reduce the original 2-3% moisture content of the raw oil to below 0.5%, wherein the raw oil is anthracene oil, potassium carbonate is added as an additive, the mass concentration of the potassium carbonate is 2.0-2.5%, and the mass ratio of the raw oil of the mixed solution added with the potassium carbonate to the additive solution is 1500: 1;
step S02, filtering the compressed air (the temperature before preheating is 80-110 ℃) to remove impurities, preheating the air to 600 ℃ by an air preheater (the heat exchange process of the compressed air and the air preheater is about 3-5 seconds), and controlling the flow of the air entering the furnace to be 7.0-7.5 km3H, delivering the mixture to an air distribution chamber of the reaction furnace 1 through a hot air pipeline;
step S03, feeding natural gas and additives into a combustion chamber of a reaction furnace 1, mixing and combusting the natural gas and the additives with hot air fed from the air distribution chamber, controlling the temperature at 1850-1900 ℃, and enhancing the reaction strength at high temperature so as to form small particle size;
simultaneously, preheating raw oil (with the temperature of 60-90 ℃) to 170-250 ℃ through a raw oil preheater 3 (with the heat exchange process of 3-5 minutes), and then spraying the raw oil into a throat section of the reaction furnace 1, wherein the furnace inlet pressure of a raw oil gun is not lower than 2.5MPa, the flow of the raw oil gun is 3300kg/h, the temperature of the raw oil is 170-250 ℃, the atomization effect of the raw oil is ensured, and the content of screen residues is reduced; carrying out 15-25 mu s cracking reaction on the raw oil in a reaction section of a reaction furnace 1 to generate carbon black smoke;
step S04, carrying out primary quenching on the carbon black flue gas in a quenching section of a reaction furnace 1, wherein the pressure of the injected primary quenching water is 0.7-1.3 MPa, bringing the carbon black flue gas to 670 ℃, sequentially carrying out heat exchange through an air preheater 2 and a raw oil preheater 3, wherein the heat exchange process is 3-5 minutes to 170-250 ℃, and finally carrying out secondary quenching, wherein the pressure of the injected secondary quenching water is 0.7-1.3 MPa, so that the temperature of the flue gas is reduced to 230-260 ℃;
step S05, collecting the cooled carbon black flue gas in a main filter bag 4, crushing the collected carbon black by a micron crusher 5, and sending the crushed carbon black to a cyclone separator 6 by an air blower;
step S05, adding the stable graphene suspension into carbon black granulating water, and uniformly mixing the stable graphene suspension and the carbon black granulating water through a mixer to form a mixed solution, wherein the graphene in the granulating water accounts for 0.2-0.6% of the mixed solution by mass percent;
and step S06, adopting wet granulation, adding carbon black powder into a granulator 7, adding granulation water, wherein the pressure of the granulation water is 0.2-0.4 Mpa, and the granulation water contains 0.2-0.6% of graphene in terms of mass percent of carbon black, and granulating to obtain carbon black particles, so that the particle size of the carbon black particles is 0.5-1.4 mm.
And step S07, adding the carbon black into the dryer 8, wherein the outlet temperature of the dryer 8 is 150-250 ℃, and packaging and storing after drying.
Technical tests are carried out on the carbon black particles in the above examples, and the technical indexes shown in table 1 are obtained, so that the carbon black product has a high oil absorption value, the more particles forming the aggregate, the higher the probability of forming a network structure, and the better the conductivity. The screen residue is less than or equal to 100mg/kg, and the purity of the screen residue is higher than that of the national standard screen residue, less than or equal to 1000 mg/kg.
Table 1, technical indices of carbon black products in the examples of the present invention:
| item | Index (I) |
| Iodine absorption value g/kg | 73～78 |
| Oil absorption number 10-5m3/kg | 120～126 |
| NSA 103m2/kg | 65～75 |
| Ash content is less than or equal to% | 0.5 |
| Heating decrement% | 1.0 |
| The mg/kg of the screenings is less than or equal to | 100 |
| Impurities | Is free of |
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A production process of low-resistance carbon black for conductive plastics is characterized by comprising the following steps: the method comprises the following steps:
step S01, dehydrating the raw oil in advance through dehydrating equipment to reduce the moisture content of the raw oil to below 0.5%;
s02, preheating compressed air to 550-600 ℃ by an air preheater, and conveying the air to an air distribution chamber of the reaction furnace through a hot air pipeline;
step S03, feeding natural gas into a combustion chamber of the reaction furnace, and mixing and combusting the natural gas and the hot air fed out from the air distribution chamber in the step S02, wherein the temperature is controlled to be 1850-1900 ℃, and small particle sizes are formed; simultaneously, preheating raw oil to 170-250 ℃ by a raw oil preheater, and spraying the raw oil into a throat section of a reaction furnace to generate carbon black flue gas;
step S04, carrying out primary quenching on the carbon black flue gas in a quenching section of a reaction furnace, sequentially carrying out heat exchange through an air preheater and a raw oil preheater, and then carrying out secondary quenching;
step S05, introducing the carbon black flue gas into a main filter bag for collection, and conveying the collected carbon black to a cyclone separator through an air blower after the collected carbon black is crushed by a micron crusher;
step S05, adding the stable graphene suspension into carbon black granulating water, and uniformly mixing the stable graphene suspension and the carbon black granulating water through a mixer to form a mixed solution;
step S06, adding carbon black powder into a granulator by a wet granulation method, adding granulation water, wherein the pressure of the granulation water is 0.2-0.4 Mpa, the water contains 0.2-0.6% of graphene by mass percent of carbon black, and granulating to obtain carbon black granules.
2. The process for producing a low-resistance carbon black for conductive plastics according to claim 1, wherein: in the step S01, the raw oil is anthracene oil, and potassium carbonate is added as an additive.
3. The process for producing a low-resistance carbon black for conductive plastics according to claim 2, wherein: the mass concentration of the potassium carbonate is 2.0-2.5%, and the mass ratio of the mixed solution raw oil added with the potassium carbonate to the additive solution is 1000: 1-1500: 1.
4. The process for producing a low-resistance carbon black for conductive plastics according to claim 1, wherein: in step S04, the pressure of the primary quenching water sprayed by the primary quenching and the pressure of the secondary quenching water sprayed by the secondary quenching in the reaction furnace are both 0.7-1.3 MPa.
5. The process for producing a low-resistance carbon black for conductive plastics according to claim 1, wherein: in step S05, the graphene in the mixed solution accounts for 0.2-0.6% by mass of the mixed solution.
6. The process for producing a low-resistance carbon black for conductive plastics according to claim 1, wherein: further comprising step S07: putting the carbon black into a dryer for drying treatment.
7. The process for producing a low-resistance carbon black for conductive plastics according to claim 6, wherein: the outlet temperature of the dryer is 150-250 ℃.
8. A production system of low-resistance carbon black for conductive plastics is characterized in that: the method comprises the following steps: the system comprises a reaction furnace, an air preheater, a raw oil preheater, a main filter bag device, a micron crusher, a cyclone separator, a granulator and a dryer, wherein the reaction furnace is respectively connected with the air preheater and the raw oil preheater, the air preheater and the raw oil preheater are respectively used for heating compressed air and raw oil, and the main filter bag device, the micron crusher, the cyclone separator, the granulator and the dryer are sequentially connected.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048196A (en) * | 2020-08-26 | 2020-12-08 | 茂名环星新材料股份有限公司 | Carbon black and production process thereof |
| CN112940542A (en) * | 2021-01-21 | 2021-06-11 | 山东联科科技股份有限公司 | Production method of carbon black with electromagnetic shielding performance |
| CN113667326A (en) * | 2021-09-08 | 2021-11-19 | 茂名环星新材料股份有限公司 | Method for preparing conductive carbon black |
| CN114437571A (en) * | 2021-12-31 | 2022-05-06 | 乌海黑猫炭黑有限责任公司 | Preparation method of ESD rubber and plastic product conductive carbon black |
| CN115430366A (en) * | 2022-08-30 | 2022-12-06 | 广州海印新材料研究发展有限公司 | Reforming reactor for producing conductive carbon black, conductive carbon black production device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099171A (en) * | 2016-11-03 | 2017-08-29 | 孙旭阳 | A kind of graphene strengthens carbon black preparation method |
| CN109135349A (en) * | 2018-09-26 | 2019-01-04 | 韩城黑猫炭黑有限责任公司 | A kind of production method of high-purity conductive black |
| CN111171606A (en) * | 2019-12-30 | 2020-05-19 | 青岛科技大学 | Graphene-carbon black composite granules and preparation method and application thereof |
-
2020
- 2020-07-22 CN CN202010712261.1A patent/CN111808447A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099171A (en) * | 2016-11-03 | 2017-08-29 | 孙旭阳 | A kind of graphene strengthens carbon black preparation method |
| CN109135349A (en) * | 2018-09-26 | 2019-01-04 | 韩城黑猫炭黑有限责任公司 | A kind of production method of high-purity conductive black |
| CN111171606A (en) * | 2019-12-30 | 2020-05-19 | 青岛科技大学 | Graphene-carbon black composite granules and preparation method and application thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048196A (en) * | 2020-08-26 | 2020-12-08 | 茂名环星新材料股份有限公司 | Carbon black and production process thereof |
| CN112048196B (en) * | 2020-08-26 | 2022-02-22 | 茂名环星新材料股份有限公司 | Carbon black and production process thereof |
| CN112940542A (en) * | 2021-01-21 | 2021-06-11 | 山东联科科技股份有限公司 | Production method of carbon black with electromagnetic shielding performance |
| CN112940542B (en) * | 2021-01-21 | 2022-02-25 | 山东联科科技股份有限公司 | Production method of carbon black with electromagnetic shielding performance |
| CN113667326A (en) * | 2021-09-08 | 2021-11-19 | 茂名环星新材料股份有限公司 | Method for preparing conductive carbon black |
| CN113667326B (en) * | 2021-09-08 | 2022-08-02 | 茂名环星新材料股份有限公司 | Method for preparing conductive carbon black |
| CN114437571A (en) * | 2021-12-31 | 2022-05-06 | 乌海黑猫炭黑有限责任公司 | Preparation method of ESD rubber and plastic product conductive carbon black |
| CN115430366A (en) * | 2022-08-30 | 2022-12-06 | 广州海印新材料研究发展有限公司 | Reforming reactor for producing conductive carbon black, conductive carbon black production device and method |
| CN115430366B (en) * | 2022-08-30 | 2023-10-27 | 广州海印新材料研究发展有限公司 | Reforming reactor for producing conductive carbon black, conductive carbon black production device and method |
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Application publication date: 20201023 |