CN1035671A - Method of producing black pigment - Google Patents
Method of producing black pigment Download PDFInfo
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- CN1035671A CN1035671A CN88108477A CN88108477A CN1035671A CN 1035671 A CN1035671 A CN 1035671A CN 88108477 A CN88108477 A CN 88108477A CN 88108477 A CN88108477 A CN 88108477A CN 1035671 A CN1035671 A CN 1035671A
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- combustion gas
- gas flowing
- top speed
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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
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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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- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Disclosed herein is to produce to have broad size distribution sooty method.
Description
By hydrocarbon polymer, for example oil, Sweet natural gas and other known substance, incomplete combustion at high temperature can be produced carbon black.When product separated from reactant gases, it was a kind of loose carbon black powder.
In producing the typical oven process of sooty, fuel and oxygenant (for example air) reaction is to provide a kind of hot burning gas stream.Hydrocarbon material is sprayed in the hot burning gas stream, produces carbon black.Then, the temperature that contains the carbon black air-flow utilizes any traditional method (for example jet of water) quenching to reduce.Can pass through known technology, for example cyclonic separator separates from air-flow with strainer and revolves the carbon black that floats on wherein, then granulation and drying.
Carbon black adds in the rubber compound, in order to give the reinforcing rubber performance.In the many performances of sooty, most important performance is the sooty size distribution for rubber industry.Rubber industry finds that for certain purpose, the carbon black with wide size distribution is very desirable.
Therefore, the purpose of this invention is to provide a kind of production sooty method, the carbon black of being produced has wide particle diameter by sooty △ D50 increase and distributes.
Method of the present invention relates to the form that liquid starting material is assembled air-flow or pre-atomization air flow with non-pre-atomizing, on two isolating positions, sprays into fractionated (typing) carbon black production device.Part raw material is that before gas-flow reaches top speed certain a bit sprays into, do not observing before this point owing to before combustion gas flowing reaches the position of top speed, material is sprayed into the structure of the DBP of institute's carbon black that causes pulverizing in the hot burning gas stream and further increase, and also can make particle size carbon black distribution broadening herein.Rest materials has reached at combustion gas flowing on the position of top speed and has sprayed into.
Although being 626,704 U.S. Patent application, on July 2nd, 1984 application, series number drape over one's shoulders Revealed and reached on the position of maximal rate and on the position before combustion-gas flow reaches maximal rate at combustion-gas flow, liquid material is sprayed into the pulverizing DBP structure that combustion-gas flow can increase carbon black, but do not propose along with raw material spray into a little between distance when increasing, the carbon black pulverizing DBP structure of producing by this method is not ad infinitum to increase.
Fig. 1 is that axial sectional view is illustrated in a kind of diagram of typical production of carbon black stove, and it is applicable to all examples of the present invention.
Fig. 2 is a frequency plot that shows the curve that particle size carbon black distributes, and illustrates the △ D50 of the size distribution of a carbon black sample.
Referring to Fig. 1, stove＜1〉for to utilize method of the present invention for the preparation of the stove schematic diagram of carbon black. Stove＜1〉generally include 4 districts, i.e. mixing chamber＜3, combustion zone＜10, limited proportionality＜13 and reaction zone＜31.
Mixing chamber＜3〉by wall＜4, the outside of internal partition＜9 and inlet wall＜6 limit. Inlet end at dividing plate is installed in dividing plate＜9〉inboard is flameholder＜11 〉. Combustion chamber＜10〉by dividing plate＜9 inboard, flameholder＜11 rear side limit, end at the port of export＜12 〉. Pass wall＜6〉insertion conduit＜8 〉, fuel is by conduit＜8〉and adding mixing chamber＜3 〉. Pass sidewall＜4〉insert conduit＜5, by conduit＜5〉oxidant added enter the room＜3. Pass conduit＜8〉insert probe＜19 〉, through inner probe＜19 〉, can before hot burning gas stream reaches the position of maximal rate, raw material be sprayed in the stove, no longer can observe herein owing to before hot burning gas stream reaches maximal rate, material is sprayed into the CDBP structure increase of the carbon black that causes in the hot burning gas stream. Jet probe＜19〉be axially-aligned probe, it can be by liquid cools, and ends at end cap＜27 〉. End cap＜27〉many apertures＜29 are arranged〉along its circumference arranged radially. Combustion chamber＜10〉the port of export be limited proportionality＜13, it is by wall＜17〉limit. Surrounding wall＜17〉on every side be many complete transversely arranged apertures＜21, by aperture＜21〉material is sprayed into district＜13.
Limited proportionality＜13〉the rear be reaction zone＜31, it is by wall＜37〉limit.Reaction zone＜31〉depend on required reaction conditions and can have different length and sectional area.In this example, reaction zone＜31〉36 inches of internal diameters.Quenching probe＜41〉pass wall＜37〉insertion reaction district＜31〉in.Water is through quenching probe＜41〉spray into reaction zone＜31 〉, to stop the soot formation reaction.
Usually, the present invention is used for producing and has broad size distribution sooty method and can realize as follows.Through the mixing section of fuel conductor, pass through oxidizer manifold with suitable oxygenant, for example air, oxygen, the mixture of air and oxygen or other oxygenant adding mixing section with suitable fuel adding stove.Comprise many easy incendiary materials in the combustion chamber, reacting with the fuel that produces hot burning gas with oxidizing gas stream being applicable to, the form of no matter gas, steam or liquid, for example hydrogen, carbon monoxide, methane, acetylene, ethanol, kerosene, liquid hydrocarbon fuel or the like.
Pointed as this paper, the amount that the primary combustion rate is illustrated in the oxygenant in fs of setting process produces the amount of carbonic acid gas and the required in theory oxygenant of water divided by the fs in this technology makes fuel perfect combustion, take advantage of 100, provide a percentage.Although the scope of primary combustion rate can be from 100～500%, preferably fs rate of combustion primary or technology can be in about 120～300% variations.By this way, producing one flows with high linear speed mobile hot burning gas.Have been found that 1.0p.s.i(6.9Kpa at least), preferably about 1.5p.s.i(10.3Kpa)～combustion chamber 10p.s.i(69Kpa) and the pressure reduction of reacting chamber space are desirable.Under these conditions, produce gas combustion product stream, this products of combustion stream has enough energy can be transformed into required carbon black product generating the sooty liquid hydrocarbonaceous feedstock.The product burning gas temperature of discharging from combustion phases reaches at least about 2400 °F (1350 ℃), and optimum temps is at least about on 3000 °F (1650 ℃).
Hot burning gas sprays on Way out, discharges with high linear velocity from the exit end of combustion chamber, and combustion gas flowing can be quickened this burning gas by a sealing limited proportionality than minor diameter, if necessary, the limited proportionality can be taper or slot.Combustion gas flowing reaches top speed in the close mid-way of stove limited proportionality.
According to the inventive method, the scope of liquid starting material amount is about 20～80% of required liquid hydrocarbonaceous feedstock total amount, be preferably about 25～75%, the form that the adding mode is assembled air-flow or pre-atomization air flow with non-pre-atomizing, the best right and wrong gathering airflow pattern that atomizes in advance, substantially laterally, in outside or inside mode, from its periphery, before reaching the position of top speed, combustion gas flowing sprays in the burning gas; Before the place ahead of this position does not observe owing to the position that reaches top speed at combustion gas flowing fully a part of raw material being sprayed into the pulverizing DBP structure that causes in the hot burning gas stream further increases, and also obtains a kind of size distribution of broad herein.When laterally outwards spraying into liquid starting material in the hot burning gas stream before hot burning gas stream reaches top speed, raw material preferably sprays into through the material jet probe.Reach the position of top speed at combustion gas flowing, liquid hydrocarbonaceous feedstock residual content scope is about 20～80% of total hydrocarbons raw material, and preferably its scope is about 25～75% of total material and is sprayed into.In this position, liquid starting material is assembled air-flow or pre-atomization air flow form with numerous non-pre-atomizings, the best pre-atomised form of right and wrong, with the relative combustion air current flow radially or horizontal direction, or spray into hot burning gas stream from the neighboring of combustion gas flowing or from inside circumference.In a preferred embodiment of this method, raw material reaches maximum flow rate position at combustion gas flowing, through many apertures that are horizontally arranged in the wall of stove limited proportionality, with the combustion gas flowing radius vector to inwardly spraying into.The hydrocarbon material that this paper is suitable for is the unsaturated hydrocarbon class, for example acetylene, olefines (for example ethene, propylene, butylene), aromatic hydrocarbons (for example benzene,toluene,xylene), some saturated hydrocarbons and volatile hydrocarbon, for example kerosene class, naphthalene class, terpenes, ethylene bottom oil class, aromatic ring material or the like.According to carry out the situation that as above material sprays in the position of determining, raw material can be identical or different.
Raw material used herein, fuel and/or oxygenant will be adjusted so that obtain a total percentage rate of combustion, and scope is about 15～60%, is preferably 15～40%.Total rate of combustion represents that the total amount of used oxygenant in the carbon black production method is removed so that the total amount perfect combustion of fuel of using in the carbon black production method and raw material to produce the amount of the required oxygenant of carbonic acid gas and water, takes advantage of 100 again, obtains a percentage.
Enough residence time are provided,, the sooty reaction take place to generate to allow before the quenching termination reaction.By water is finished typical quenching through the method that the quenching nozzle sprays into.Yet, many known other method of quenching are arranged in carbon black production technology.Then, the hot flue gases that wherein contains the suspension carbon black product will pass through step process such as traditional cooling, separation, collection carbon black.Use arbitrary traditional method, for example settling vessel, cyclonic separator, deep bed filter or they are used in combination and are easy to separating off carbon black from gas.
Find that the method according to this invention sprays into raw material at two positions can produce the carbon black with broad size distribution.
Following testing sequence can determine the present invention and produce the sooty analytical performance.
The iodine adsorption number of carbon black sample can be measured by ASTMD-1510-81.
Can measure a kind of carbon black sample with respect to the painted tinting strength of a kind of industry according to ASTMD-3265-76a with reference to carbon black.Measure a kind of sooty DBP adsorption number according to ASTMD-2414-84.The result of report shows that this carbon black is fluffy or particle shape.
Can measure a kind of carbon black pellet CDBP adsorption number according to ASTMD-3493-84.
Can measure a kind of size distribution (△ D50) of carbon black sample as follows.Frequency plot is made by the particulate stokes diameter of carbon black sample and the relation curve of the frequency that they occur in given sample.As shown in Figure 2, be parallel to the Y direction line (B) that draws from the peak (A) of frequency curve, end at frequency plot X-axis point (C).Obtain the central point (F) of gained line (B), paralleled by X axis is through central point (F) line (G) that draws.Line (G) intersects at D and 2 distribution curves with frequency plot of E.Carbon black pellet is exactly a △ D50 value at the absolute value of the stokes diameter difference of 2 of D and E.Utilize disk centrifuge, for example the disk centrifuge of the Joyce Loebl company limited of Britain Tyne and Wear manufacturing draws the data that are used for making frequency plot.Following program is the revision of the program described in the Joyce Loebl disk centrifuge specification sheets of publishing on February 1st, 1985, and its content is used for reference herein, and is used to determination data.
In weighing disk, weigh up the 10mg carbon black sample.With three Shell Chemical company production and sellings, registered trademark is that the tensio-active agent of NONIDETP-40 is added in this carbon black, stirs the gained mixture then to produce a kind of uniform paste.50cc is added in this paste by the solution that the distilled water of 20% ethanol solution and 80% is made into, use model that the Heat Systems Ultrasonics company of a New York Far-mingdale makes rattler then, utilize the method for ultrasonic energy that it was disperseed 15 minutes as W385.
Before operation, following data input computer, this computer recording are from the data of disk centrifuge:
1. sooty proportion is got and is made 1.86g/cc,
2. the volume that is dispersed in carbon black solution in above-mentioned water and the ethanol solution is 0.5cc in this example,
3. the volume of rotating fluid is 14cc water in this example,
4. the viscosity of rotating fluid is got 0.933 centipoise when doing 23 ℃ in this example,
5. the density of rotating fluid, 0.9975g/cc when being 23 ℃ in this example,
6. rotary speed is 8 in this example, 000rpm,
7. data sampling is 1 second at interval in this example.
When stroboscope was operated, disk centrifuge changeed operation with per minute 8,000.14cc distilled water injects the rotating disk of rotation as rotating fluid.Turbidity value places 0, and 1cc is injected into as buffered soln by the solution that 20% dehydrated alcohol and 80% distilled water are made into.Operate the cut-out of disk centrifuge then and quicken button, so that produce a level and smooth concentration gradient between rotating fluid and buffering liquid, and this gradient can with the naked eye be monitored.When gradient reaches smoothly, so that between two kinds of liquid during no obvious boundary, the carbon black that 0.5cc is dispersed in the aqueous ethanolic solution injects the rotating disk that rotates, and gets started the collection data then.Flow shut-down operation at once if take place.After the dispersive carbon black injects in aqueous ethanolic solution, rotating disk rotation 20 minutes.After rotating 20 minutes, stop rotating disk, measure the temperature of rotating fluid, the rotating fluid temperature is input to from the computer of rotating disk whizzer record data when rotating fluid medial temperature of measuring during the operation beginning and EO.Stokes equation according to standard is analyzed this data, and the frequency plot shown in expression imaging Fig. 2.
Will be readily appreciated that with reference to following example production has sooty the inventive method of broad size distribution.Certainly, the present invention also has many other specific exampless, as long as these specific exampless are full disclosure of the present invention, for those people that are proficient in this technology is conspicuous, therefore can admit, the purpose that provides following example only is in order to illustrate, in any case can not think and limit the scope of the invention.
The stove of describing among Fig. 1 is to be used for illustrating of following each stove of example.In example 1～3, use identical liquid hydrocarbon to act as a fuel.In addition, with example 1～3 in be used as fuel the different liqs hydrocarbon polymer also can be used as raw material.
Example 1
Use stove as shown in fig. 1, will be preheating to 1238 °F (670 ℃), with 500mscfh(3.933Nm
3/ sec) speed air and with 238gal/hr(900L/h) liquid hydrocarbon fuel feed mixing section＜3.From wherein producing hot burning gas stream, its primary combustion rate is 154%, and it flows to Way out with high linear speed.The potassium of liquor form is added in the burning gas, make that the potassium that adds with respect to employed raw material total amount is 84ppm.
Then, the mode that 25% total raw material is assembled liquid stream with non-pre-atomizing is through probe＜19 〉, before reaching the position of top speed, combustion gas flowing radially outward sprays in the hot burning gas stream.Probe＜19〉external diameter is 2 inches (5.1cm), and is equipped with end cap＜27 of 1/4 inch American standard taper pipe thread 〉, end cap＜27〉have the aperture of 6 0.070 inch (1.78mm) diameter, vertical isogonism is arranged on the periphery of end cap.In this example, positioning probe＜19〉so that end cap＜27 be positioned at aperture＜21 the place ahead 11.8 inches (30cm) locate.
All the other raw materials of 75% are with the form of non-pre-atomizing aggregate flow, through 12 aperture＜21 〉, reached the position of Peak Flow Rate in burning gas, promptly in the limited proportionality＜13 the central position, radially inwardly spray into hot burning gas stream.Limited proportionality＜13〉length be 11 inches (27.9cm), 12.4 inches of internal diameters (31.5cm).Aperture＜21〉each diameter be 0.078 inch (1.99mm), equi-angularly space in one plane is horizontally arranged in limited proportionality＜13〉wall＜17 periphery on.The total amount material is with 1437gal/hr(5439L/h) total speed sprays into.
Carry out the operation of this method, so that total rate of combustion reaches 20.5%.Reaction chamber＜31〉diameter is 36 inches (91cm).Quenching mouth＜41〉be positioned at from aperture＜21 below about 10 feet (2.45m) the position.The sooty analytical performance is recorded in the table.
Example 2
Except following exception, the device in the use-case 1, raw material and method are produced carbon black.In this example, positioning probe＜19〉so that end cap＜27 be positioned at limited proportionality＜13 aperture＜21 the place ahead 19.7 inches (50cm) locate, and will be with respect to the 123ppm potassium of raw materials used total amount, add in the hot burning gas stream with the form of the aqueous solution.The sooty analytical performance is recorded in the table.
Example 3
Except following exception, the device in the use-case 1, raw material and method are produced carbon black.Positioning probe＜19〉so that end cap＜27 be positioned at aperture＜21 the place ahead 23.6 inches (60cm) locate, and will be with respect to the 123ppm potassium of raw materials used total amount, add in the combustion gas flowing with the form of the aqueous solution.The sooty analytical performance is recorded in the table.
Table
Analytical performance
Example 1 example 2 examples 3
The potassium of relative material quantity
Add-on (ppm) 84 123 123
3.6 inches of 11.8 inch 19.7 in2s of spacing of raw material adding point
（30cm） （50cm） （60cm）
△D50mμ 68 77 83
Tinting strength % 98 98 96
The iodine number
MgI
2/ g carbon black 60 60 59
The DBP adsorptive value
Particle cc/k100g 109 106 107
CDBP（24M4）
cc/100g 90 88 90
Data show shown in the table, and the sooty △ D50 value that the inventive method is produced increases, and has kept identical numerical value for structure substantially with surface-area.In addition, people can draw such conclusion from data and example, promptly spray into the distance increase of point-to-point transmission along with raw material of the present invention, and carbon black △ D50 value can further increase.
In example 1～3,, add the potassium of different amounts in order to obtain carbon black to fixed structure.Like this, effect of the present invention can show indirectly by noting the potassium that adds equivalent in example 2 and 3, and in order to obtain given carbon structure value, the potassium add-on of the two all surpasses desired amount in the example 1.Used potassium amount shows than the numerical value that is increased with the potassium amount in the example 1 in example 2 and 3, under the separating distance of example 1, along with increase raw material spray into dot spacing from, this structure is still increasing.Further increase raw material between spraying into a little apart from the time, in example 2 and 3, use the potassium of same amount to show, in example 2 and 3, increase raw material between spraying into a little apart from the time, heat burn part material is sprayed into the further increase that can not cause CDBP in the hot burning gas before reaching Peak Flow Rate.
Although with regard to some instantiations, described the present invention, yet the present invention is not limited, should be appreciated that, in the situation of not violating spirit and scope of the invention, it can carry out modification and improvement, and this is apparent for those people that are proficient in technique.
Claims (7)
1, a kind of method for shaping of producing furnace treated black, wherein fuel and oxidant reaction, making provides an elementary hot burning gas stream, it has enough energy and is transformed into carbon black producing the sooty hydrocarbon polymer, and wherein with the form of numerous non-pre-atomizing aggregate flows or pre-atomized flow, reached the position of top speed at combustion gas flowing, the direction that flows to transverse intersection with basic and combustion gas flowing, and enough for to make under the pressure of the required diffusion to a certain degree of the suitable shear-mixed of raw material, liquid hydrocarbonaceous feedstock is sprayed into the gas combustion product stream from circumferential direction, and wherein stop before the soot formation reaction by quenching, raw material decomposition being transformed into carbon black is then by cooling, separate and recovery gained carbon black; Its improvements are, position before combustion gas flowing reaches top speed adds the enough parts in the hydrocarbon material total amount in the combustion gas flowing, Gu and produce the carbon black of broad size distribution, do not observing fully before this position owing to raw material position before combustion gas flowing reaches top speed added institute's sooty CDBP structure that causes increases in the hot burning gas stream.
2, method according to claim 1, wherein about 20～80% of the liquid starting material total amount, position before combustion gas flowing reaches top speed is added in the combustion gas flowing, do not observe fully herein owing to institute's sooty CDBP structure that causes during position adding hot burning gas flows before combustion gas flowing reaches top speed with raw material increases, all the other raw materials have reached the position adding of top speed at combustion gas flowing.
3, method according to claim 1, wherein about 25～75% of the liquid starting material total amount, position before combustion gas flowing reaches top speed is added in the combustion gas flowing, do not observe fully herein owing to institute's sooty CDBP structure that causes during position adding hot burning gas flows before combustion gas flowing reaches top speed with raw material increases, all the other raw materials have reached the position adding of top speed at combustion gas flowing.
4, method according to claim 1 wherein adds liquid hydrocarbon right and wrong in the hot burning gas stream and atomizes in advance and assemble the form of air-flow in the position that combustion gas flowing reaches top speed.
5, method according to claim 1, wherein to join the liquid hydrocarbonaceous feedstock in the combustion gas flowing be to be basically perpendicular to hot burning gas stream mobile direction to the position before combustion gas flowing reaches top speed, assemble with non-pre-atomizing that the form of air-flow adds, and do not observe fully in the place ahead of adding place owing to raw material position before combustion gas flowing reaches top speed is added the sooty CDBP structure that is caused in the hot burning gas stream increase.
6, as method as described in the claim 5, wherein the liquid hydrocarbon in the adding of the position before burning gas the reaches top speed hot burning gas stream is outwards spraying into inside from hot burning gas stream, before this position, do not observe fully because the carbon black CDBP structure that raw material was caused in the position adding hot burning gas stream before combustion gas flowing reaches top speed increases.
7, method according to claim 1, wherein liquid hydrocarbonaceous feedstock is the form of assembling air-flow with non-pre-atomizing, position before combustion gas flowing reaches top speed, with vertical substantially direction, outwards add the combustion gas flowing from the inner periphery of combustion gas flowing, and not observing fully before this position owing to position before combustion gas flowing reaches top speed adds raw material causes sooty CDBP further to increase in the combustion gas flowing, the form that liquid hydrocarbonaceous feedstock is also assembled air-flow with non-pre-atomizing, with vertical substantially direction, the excircle that flows from hot burning gas adds the combustion gas flowing to the position that inherent combustion gas flowing has reached top speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13086187A | 1987-12-10 | 1987-12-10 | |
| US130,861 | 1987-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1035671A true CN1035671A (en) | 1989-09-20 |
Family
ID=22446703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88108477A Pending CN1035671A (en) | 1987-12-10 | 1988-12-10 | Method of producing black pigment |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JP2582879B2 (en) |
| KR (1) | KR920002625B1 (en) |
| CN (1) | CN1035671A (en) |
| AR (1) | AR245762A1 (en) |
| AU (1) | AU591618B2 (en) |
| BR (1) | BR8806415A (en) |
| CA (1) | CA1336475C (en) |
| DE (1) | DE3841285A1 (en) |
| ES (1) | ES2010042A6 (en) |
| FR (1) | FR2624517B1 (en) |
| GB (1) | GB2213477B (en) |
| IN (1) | IN171963B (en) |
| IT (1) | IT1227512B (en) |
| MX (1) | MX169842B (en) |
| MY (1) | MY107373A (en) |
| NL (1) | NL8803035A (en) |
| PT (1) | PT89184B (en) |
| TR (1) | TR23831A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2889326B2 (en) * | 1989-09-14 | 1999-05-10 | 昭和キャボット株式会社 | Carbon black and rubber composition |
| US5236992A (en) * | 1991-11-18 | 1993-08-17 | Cabot Corporation | Carbon blacks and their use in rubber applications |
| DE10336575A1 (en) * | 2003-08-08 | 2005-03-10 | Degussa | soot |
| WO2018069837A1 (en) * | 2016-10-10 | 2018-04-19 | King Abdullah University Of Science And Technology | Burners for conversion of methane to olefins, aromatics, and nanoparticles |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952087A (en) * | 1974-09-13 | 1976-04-20 | Cabot Corporation | Production of high structure carbon blacks |
| US4018878A (en) * | 1975-12-29 | 1977-04-19 | Ashland Oil, Inc. | Process for producing carbon black |
| US4315902A (en) * | 1980-02-07 | 1982-02-16 | Phillips Petroleum Company | Method for producing carbon black |
| JPS5717422A (en) * | 1980-07-04 | 1982-01-29 | Dow Chemical Co | Removal of chlorate in caustic solution by electrodeposition iron |
| IN163294B (en) * | 1983-12-23 | 1988-09-03 | Cabot Corp | |
| DE3443872A1 (en) * | 1983-12-23 | 1985-07-04 | Cabot Corp., Boston, Mass. | METHOD FOR THE PRODUCTION OF FURNACE RUSS |
| CA1300342C (en) * | 1985-06-24 | 1992-05-12 | E. Webb Henderson | Process and apparatus for producing carbon black |
-
1988
- 1988-08-18 IN IN589/MAS/88A patent/IN171963B/en unknown
- 1988-09-29 MX MX013218A patent/MX169842B/en unknown
- 1988-12-06 CA CA000585090A patent/CA1336475C/en not_active Expired - Fee Related
- 1988-12-06 BR BR888806415A patent/BR8806415A/en not_active Application Discontinuation
- 1988-12-06 IT IT8822880A patent/IT1227512B/en active
- 1988-12-07 PT PT89184A patent/PT89184B/en not_active IP Right Cessation
- 1988-12-08 TR TR88/0885A patent/TR23831A/en unknown
- 1988-12-08 AU AU26666/88A patent/AU591618B2/en not_active Ceased
- 1988-12-08 DE DE3841285A patent/DE3841285A1/en not_active Withdrawn
- 1988-12-08 GB GB8828651A patent/GB2213477B/en not_active Expired - Fee Related
- 1988-12-09 AR AR88312676A patent/AR245762A1/en active
- 1988-12-09 ES ES8803752A patent/ES2010042A6/en not_active Expired
- 1988-12-09 NL NL8803035A patent/NL8803035A/en not_active Application Discontinuation
- 1988-12-09 JP JP63310261A patent/JP2582879B2/en not_active Expired - Fee Related
- 1988-12-09 FR FR888816241A patent/FR2624517B1/en not_active Expired - Fee Related
- 1988-12-09 MY MYPI88001428A patent/MY107373A/en unknown
- 1988-12-10 KR KR1019880016491A patent/KR920002625B1/en not_active IP Right Cessation
- 1988-12-10 CN CN88108477A patent/CN1035671A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2213477B (en) | 1991-11-13 |
| KR890010129A (en) | 1989-08-07 |
| AU2666688A (en) | 1989-06-15 |
| DE3841285A1 (en) | 1989-06-22 |
| FR2624517A1 (en) | 1989-06-16 |
| JP2582879B2 (en) | 1997-02-19 |
| KR920002625B1 (en) | 1992-03-30 |
| MX169842B (en) | 1993-07-28 |
| NL8803035A (en) | 1989-07-03 |
| MY107373A (en) | 1995-11-30 |
| AU591618B2 (en) | 1989-12-07 |
| PT89184A (en) | 1989-12-29 |
| PT89184B (en) | 1994-11-30 |
| BR8806415A (en) | 1989-08-22 |
| TR23831A (en) | 1990-09-25 |
| IN171963B (en) | 1993-02-20 |
| GB2213477A (en) | 1989-08-16 |
| ES2010042A6 (en) | 1989-10-16 |
| AR245762A1 (en) | 1994-02-28 |
| FR2624517B1 (en) | 1990-08-24 |
| IT1227512B (en) | 1991-04-12 |
| JPH01190760A (en) | 1989-07-31 |
| CA1336475C (en) | 1995-08-01 |
| GB8828651D0 (en) | 1989-01-11 |
| IT8822880A0 (en) | 1988-12-06 |
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