CN113429809A - Processing technology of carbon black for ultrablue phase color matching - Google Patents
Processing technology of carbon black for ultrablue phase color matching Download PDFInfo
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- CN113429809A CN113429809A CN202110603939.7A CN202110603939A CN113429809A CN 113429809 A CN113429809 A CN 113429809A CN 202110603939 A CN202110603939 A CN 202110603939A CN 113429809 A CN113429809 A CN 113429809A
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- carbon black
- blue phase
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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
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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
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/65—Chroma (C*)
Abstract
The invention discloses a processing technology of carbon black for ultra-blue phase toning, which relates to the field of carbon black processing and comprises the processing steps of material taking and screening, dispersion liquid preparation, acid soaking, raw material taking, air drying and crushing processing. The processing technology of the carbon black for the color matching of the super-blue phase can process the carbon black for the color matching of the super-blue phase, further improves the blackness and is convenient to use. Carbon black with the average particle size of 30nm-60nm is used, the dispersion liquid of the carbon black is soaked by peracid at the constant temperature of 180-190 ℃, the soaking time is 4-6 hours, then the carbon black is filtered and separated, and then the carbon black is dried by low-temperature air to obtain the oxidized carbon black, so that the blackness of the product is improved and reaches a super blue phase, the blackness seen by naked eyes is greatly different from the color of the existing blue phase, the blackness is further improved, and finally, crushing processing is carried out, so that the carbon black can be fully mixed with various media to carry out color mixing during color mixing, and the requirements of customers are met.
Description
The technical field is as follows:
the invention relates to the field of carbon black processing, in particular to a processing technology of carbon black for ultra-blue phase toning.
Background art:
carbon black, which is an amorphous carbon. The black powder is light, loose and extremely fine, and carbon black is a conductor, but in some industries, black paint is required and has certain insulation, such as mobile phone panels, numerical control panels, automobile finish and the like. The domestic carbon black industry is limited by the problem of raw oil, so that the hue of a product is seriously reddish yellow, the degree of polymerization of the carbon black of a blue phase is insufficient, and the hue with the sufficient degree of blackness is obviously different, so that the carbon black of the blue phase cannot be well matched with a pigment in a color mixing manner during color mixing.
The invention content is as follows:
in order to solve the problems in the background art, the invention provides a processing technology of carbon black for the color matching of the ultrablue phase.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a processing technology of carbon black for ultra-blue phase toning comprises the processing steps of material taking and screening, dispersion liquid preparation, acid soaking, raw material taking, air drying and crushing.
A processing technology of carbon black for ultra-blue phase toning comprises the following specific processing steps:
s1, taking and screening: selecting carbon black to grind and screen, and screening for later use;
s2, preparing a dispersion liquid: placing the carbon black in water to be uniformly dispersed to obtain a carbon black dispersion liquid;
s3, peracid soaking: placing the carbon black dispersion liquid in a 1% nitric acid solution at a constant temperature for soaking;
s4, taking out raw materials: after the carbon black is soaked by peracid, carrying out solid-liquid separation on the carbon black dispersion liquid and a 1% nitric acid solution;
s5, air drying: and (4) wrapping the carbon black subjected to solid-liquid separation by using breathable paper, and air-drying by using air-drying equipment.
S6, crushing: and crushing the air-dried carbon black.
Preferably, the average particle size of the carbon black after screening is 30nm to 60 nm.
Preferably, the carbon black is soaked in a 1% nitric acid solution for 4 to 6 hours.
Preferably, the constant temperature of the step S2 is set to 180 ℃ to 190 ℃.
Preferably, the solid-liquid separation mode is filtration separation.
Compared with the prior art, the invention has the beneficial effects that: the processing technology of the carbon black for the color matching of the super-blue phase can process the carbon black for the color matching of the super-blue phase, further improves the blackness and is convenient to use. Carbon black with the average particle size of 30nm-60nm is used, the dispersion liquid of the carbon black is soaked by peracid at the constant temperature of 180-190 ℃, the soaking time is 4-6 hours, then the carbon black is filtered and separated, and then the carbon black is dried by low-temperature air to obtain the oxidized carbon black, so that the blackness of the product is improved and reaches a super blue phase, the blackness seen by naked eyes is greatly different from the color of the existing blue phase, the blackness is further improved, and finally, crushing processing is carried out, so that the carbon black can be fully mixed with various media to carry out color mixing during color mixing, and the requirements of customers are met.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic sectional view of the air drying apparatus;
FIG. 2 is a schematic structural view of a part of the structure of the air drying device;
wherein: 1. a box body; 2. a bearing; 3. a turntable; 4. a motor; 5. an arc-shaped housing; 6. an arc-shaped splint; 7. a fan; 8. placing a box; 9. a through hole; 10. a cover plate; 11. and (4) bolts.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Example 1:
a processing technology of carbon black for ultra-blue phase toning comprises the processing steps of material taking and screening, dispersion liquid preparation, acid soaking, raw material taking out and air drying.
A processing technology of nano-scale insulating carbon black comprises the following specific processing steps:
s1, taking and screening: selecting carbon black to carry out grinding and screening, wherein the average particle size of the screened carbon black is 30-60 nm, and screening is carried out for later use;
s2, preparing a dispersion liquid: placing the carbon black in water to be uniformly dispersed to obtain a carbon black dispersion liquid;
s3, peracid soaking: placing the carbon black dispersion liquid in a 1% nitric acid solution at a constant temperature for soaking; the constant temperature is set to be 180-190 ℃, and the carbon black is soaked in 1% nitric acid solution for 4-6 hours.
S4, taking out raw materials: after the carbon black is soaked by peracid, carrying out solid-liquid separation on the carbon black dispersion liquid and a 1% nitric acid solution; the solid-liquid separation mode is filtration separation.
S5, air drying: and (4) wrapping the carbon black subjected to solid-liquid separation by using breathable paper, and air-drying by using air-drying equipment.
S6, crushing: and crushing the air-dried carbon black.
Carbon black with the average particle size of 30nm-60nm is used, the dispersion liquid of the carbon black is soaked in peracid for 4-6 hours at the constant temperature of 180-190 ℃, then the carbon black is filtered and separated, and is dried at low temperature to obtain oxidized carbon black, and finally, the carbon black is crushed to improve the blackness of the product and reach a super blue phase, and the carbon black is fully colored with various media during color matching to meet the requirements of customers.
Example 2:
referring to fig. 1-2, a processing technology of carbon black for ultrablue phase color matching further comprises an air drying device, wherein the air drying device comprises a box body 1, a bearing 2, a rotary table 3, a motor 4, an arc-shaped shell 5, an arc-shaped clamping plate 6, a fan 7, a placing box 8, a through hole 9, a cover plate 10 and a bolt 11; a bearing 2 is fixedly connected to the inner wall of the bottom end of the box body 1, a rotary table 3 is fixedly connected to the inside of the bearing 2, an arc-shaped shell 5 is fixedly connected to the left end and the right end above the rotary table 3, an arc-shaped clamping plate 6 is clamped inside the arc-shaped shell 5, and a fan 7 is fixedly connected to one end of the arc-shaped clamping plate 6; the top inner wall fixedly connected with of box 1 places case 8, places the inside of case 8 and has seted up through-hole 9. The top fixedly connected with apron 10 of arc splint 6, the inside threaded connection of apron 10 has bolt 11, and bolt 11 passes apron 10 and arc shell 5 threaded connection. The inside fixedly connected with motor 4 of the middle-end of carousel 3, motor 4 fixed mounting is in the bottom top of box 1.
Specifically, because the carbon black particle diameter is less, for convenient collection, can not spread out and dry, need use ventilative paper to carry out the carbon black parcel after soaking through 3% nitric acid solution, carry out whole air-dry, open the door frame of box 1, place the carbon black after the parcel in the inside of placing case 8, then open fan 7, ventilate to the inside of placing case 8 through-hole 9, make the carbon black dry fast, and simultaneously, carry out external power supply with motor 4, make it drive carousel 3 and rotate, when carousel 3 rotates, arc shell 5, arc splint 6 and fan 7 can together rotate, and then can be with the drying that carries out of carbon black all sides. The cover plate 10 and the bolts 11 are arranged for fixing the arc-shaped clamping plate 6 and the fan 7 and facilitating the disassembly and replacement of the arc-shaped clamping plate 6 and the fan 7; the bearing 2 is arranged to realize that the motor 4 drives the turntable 3 to rotate.
Through the setting of this air-dry equipment, can make the carbon black remove quick air-dry of full aspect, compare with current natural air-dry, the effectual air-dry time that has shortened has improved the air-dry and the production efficiency of high pigment carbon black.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A processing technology of carbon black for ultra-blue phase toning is characterized in that: the method comprises the processing steps of material taking and screening, dispersion liquid preparation, acid soaking, raw material taking, air drying and crushing.
2. The process for preparing carbon black for ultra-blue phase toning according to claim 1, wherein the process comprises the following steps: the specific processing steps are as follows:
s1, taking and screening: selecting carbon black to grind and screen, and screening for later use;
s2, preparing a dispersion liquid: placing the carbon black in water to be uniformly dispersed to obtain a carbon black dispersion liquid;
s3, peracid soaking: placing the carbon black dispersion liquid in a 1% nitric acid solution at a constant temperature for soaking;
s4, taking out raw materials: after the carbon black is soaked by peracid, carrying out solid-liquid separation on the carbon black dispersion liquid and a 1% nitric acid solution;
s5, air drying: and (4) wrapping the carbon black subjected to solid-liquid separation by using breathable paper, and air-drying by using air-drying equipment.
S6, crushing: and crushing the air-dried carbon black.
3. The process for preparing carbon black for ultra-blue phase toning according to claim 2, wherein: the average particle size of the carbon black after screening is 30nm-60 nm.
4. The process for preparing carbon black for ultra-blue phase toning according to claim 2, wherein: the carbon black is soaked in a 1% nitric acid solution for 4-6 hours.
5. The process for preparing carbon black for ultra-blue phase toning according to claim 2, wherein: the constant temperature of the step S2 is set to 180 ℃ to 190 ℃.
6. The process for preparing carbon black for ultra-blue phase toning according to claim 2, wherein: the solid-liquid separation mode is filtration separation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110603939.7A CN113429809A (en) | 2021-05-31 | 2021-05-31 | Processing technology of carbon black for ultrablue phase color matching |
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| CN202110603939.7A CN113429809A (en) | 2021-05-31 | 2021-05-31 | Processing technology of carbon black for ultrablue phase color matching |
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