CN108948796A - A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate - Google Patents
A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate Download PDFInfo
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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
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
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- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
- C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
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- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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Abstract
The invention discloses a kind of preparation methods of high transparency high-grade lithographic ink nanometer calcium carbonate, specific step is as follows: S1 for the preparation method of the high transparency high-grade lithographic ink nanometer calcium carbonate: natural limestone being carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 9:1-10:1；S2: being added hot water and digest to CaO, S3: specific carbonization synthesis: S4: S5: the nanometer calcium carbonate after surface treatment is carried out filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink nano-calcium carbonate calcium product by surface treatment.The present invention carries out the production of calcium carbonate by the way of being carbonized synthesis after calcining, calcium carbonate granule fineness can be made more uniform, nanometer calcium carbonate after being surface-treated simultaneously carries out filter-press dehydration, drying, it is broken, available high transparency high-grade lithographic ink nano-calcium carbonate calcium product, improves the final product quality of nanometer calcium carbonate.
Description
Technical field
The present invention relates to the preparation technical field of calcium carbonate, specially a kind of high transparency high-grade lithographic ink nano-calcium carbonate
The preparation method of calcium.
Background technique
Nanometer calcium carbonate is also known as super fine calcium carbonate.Title, that is, calcium carbonate superfine powder of standard.Nanometer calcium carbonate application most at
Ripe industry is that plastics industry is mainly used in high-grade plastic products.The rheological characteristic that plastic matrix can be improved improves its mouldability.
Have the function of as plastic filler toughened and reinforced, improve the bending strength and bending elastic modulus of plastics, heat distortion temperature and
Dimensional stability, while it is stagnant hot also to assign plastics.Nanometer calcium carbonate is for having embodied excellent dispersibility in ink product
With the transparency and fabulous gloss and excellent ink absorption and high drying property.Nanometer calcium carbonate is made in resin type ink
The advantages that ink filler has stability good, and glossiness is high, does not influence the drying property for printing ink, adaptable.But
Nanometer calcium carbonate quality is not high enough in actual production, and a kind of high transparency high-grade lithographic ink is that we need now with nanometer calcium carbonate
It wants.
Summary of the invention
A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate, the high transparency high-grade lithographic ink is with receiving
Specific step is as follows for the preparation method of rice calcium carbonate:
S1: natural limestone is carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 9:1-10:1；
S2: hot water is added, CaO is digested, obtain Ca (OH)2Slurry, the temperature of hot water is 60-80 DEG C when digestion, still aging
Time is greater than 24 hours, filtering, for use；
S3: specific carbonization synthesis:
1) by Ca (OH)2It under suspension, puts into reaction kettle, the investment 70% when carburizing reagent carries out 10 minutes
Chemical additives A simultaneously continues to be carbonized, the control of carburizing temperature initial temperature at 18-25 DEG C, process temperature control 40 DEG C with
Under, 30% chemical additives B is put into after 15 minutes；
2) 2 hours are stood after all slurries of a chemical combination are sent to secondary chemical combination device；
3) after 2 hours, CO is added in circulation stirring2(4.5m3/ min), pH value is down to 10.0；
4) maturation starts (circulation, stirring), and secondary chemical combination starts to maturation to end to take around 12 hours, also needs during maturation
PH adjusts (2-3 time), and maturation, which ends, determines that BET is 20-21, viscosity 10rpm, 500Pas or more, air specific surface 58000, qualification
After final CO is added2, pH value is down to 7；
5) final CO2It is warming up to 59 DEG C after addition, is then surface-treated；
S4: surface treatment,
1) 80 DEG C of hot water is first injected into mulser；
2) NaOH is injected, specific gravity 1.27, injection rate 27.2L；
3) fatty acid mixed 66.1L is injected；
4) liquid rosin 22.3L (specific gravity 1.05) is added；
5) dispersing agent is added, mulser is all added, stirring can be fed together storage tank with maturation end of a period liquid after 1 hour, stir
It can be dehydrated after mixing one hour, dry, for mulser temperature at 80 DEG C, surface treating agent answers transparent color after emulsifying completely,
It does not precipitate；
S5: the nanometer calcium carbonate after surface treatment is subjected to filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink
With nano-calcium carbonate calcium product.
Preferably, the content of calcium carbonate is 98% or more in the calcined limestone, granularity 6-12cm, the fever of coke
Value is in 7000 kilocalories/Kg or more.
Preferably, the chemical additives A and B is citrate, sucrose or phosphate.
Preferably, the dispersing agent is sulfate or phosphate.
Preferably, the rosin is disproportionation rosin, hydrogenated rosin or rosin, and additional amount is the 3.5-4.5% of calcium carbonate.
Preferably, the Ca (OH)2It is 6-12% suspension that pulp suspension, which is configured to concentration,
Preferably, the CO when carbonization2Concentration is 26-30%.
Preferably, the filter cake moisture control is in 40-45%, and the drying temperature of filter cake is 85-110 DEG C.
Preferably, 1 hour when being by the PH process time for being down to 7 in the step S1, CO2Flow 4.5m3/min。
Preferably, the chemical combination end of a period specific gravity is 1.085, conductivity 150ws/cm, dilutes Ca (OH) before chemical combination2Than
When weight is 1.077,6660L is to cold water 2340L, and when specific gravity is 1.078,6580L is to cold water 2420L, the addition of chemical additives
Amount is with CaCO3Weight is calculated as 0.5-3%, and the temperature of the cold water is lower than 10 DEG C.
Compared with prior art, the beneficial effects of the present invention are: the present invention carries out by the way of being carbonized synthesis after calcining
The production of calcium carbonate can make calcium carbonate granule fineness more uniform, while the nanometer calcium carbonate after surface treatment is pressed
Filter dehydration, drying, are crushed, available high transparency high-grade lithographic ink nano-calcium carbonate calcium product improves nanometer calcium carbonate
Final product quality.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate, the high transparency high-grade lithographic ink nano-sized carbon
Specific step is as follows for the preparation method of sour calcium:
S1: natural limestone is carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 9:1；
S2: hot water is added, CaO is digested, obtain Ca (OH)2Slurry, the temperature of hot water is 60 DEG C, when still aging when digestion
Between be greater than 24 hours, filtering, for use；
S3: specific carbonization synthesis:
1) by Ca (OH)2It under suspension, puts into reaction kettle, the investment 70% when carburizing reagent carries out 10 minutes
Chemical additives A simultaneously continues to be carbonized, the control of carburizing temperature initial temperature at 18 DEG C, process temperature control at 40 DEG C hereinafter,
30% chemical additives B is put into after 15 minutes；
2) 2 hours are stood after all slurries of a chemical combination are sent to secondary chemical combination device；
3) after 2 hours, CO is added in circulation stirring2(4.5m3/ min), pH value is down to 10.0；
4) maturation starts (circulation, stirring), and secondary chemical combination starts to maturation to end to take around 12 hours, also needs during maturation
PH adjusts (2 times), and maturation, which ends, determines that BET is 20, and viscosity 10rpm, 500Pas or more, air specific surface 58000 are added after qualified
Final CO2, pH value is down to 7；
5) final CO2It is warming up to 59 DEG C after addition, is then surface-treated；
S4: surface treatment,
1) 80 DEG C of hot water is first injected into mulser；
2) NaOH is injected, specific gravity 1.27, injection rate 27.2L；
3) fatty acid mixed 66.1L is injected；
4) liquid rosin 22.3L (specific gravity 1.05) is added；
5) dispersing agent is added, mulser is all added, stirring can be fed together storage tank with maturation end of a period liquid after 1 hour, stir
It can be dehydrated after mixing one hour, dry, for mulser temperature at 80 DEG C, surface treating agent answers transparent color after emulsifying completely,
It does not precipitate；
S5: the nanometer calcium carbonate after surface treatment is subjected to filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink
With nano-calcium carbonate calcium product.
Specifically, 98% or more, the calorific capacity of granularity 6cm, coke exist the content of calcium carbonate in the calcined limestone
7000 kilocalories/Kg or more.
Specifically, the chemical additives A and B is citrate, sucrose or phosphate.
Specifically, the dispersing agent is sulfate or phosphate.
Specifically, the rosin is disproportionation rosin, hydrogenated rosin or rosin, additional amount is the 3.5% of calcium carbonate.
Specifically, the Ca (OH)2It is 6% suspension that pulp suspension, which is configured to concentration,
Specifically, CO when the carbonization2Concentration is 26%.
Specifically, the filter cake moisture is controlled 40%, and the drying temperature of filter cake is 85 DEG C.
Specifically, 1 hour when being by the PH process time for being down to 7 in the step S1, CO2Flow 4.5m3/min。
Specifically, the chemical combination end of a period specific gravity is 1.085, conductivity 150ws/cm, Ca (OH) is diluted before chemical combination2Than
When weight is 1.077,6660L is to cold water 2340L, and when specific gravity is 1.078,6580L is to cold water 2420L, the addition of chemical additives
Amount is with CaCO3Weight is calculated as 0.5%, and the temperature of the cold water is lower than 10 DEG C.
Embodiment 2
A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate, the high transparency high-grade lithographic ink nano-sized carbon
Specific step is as follows for the preparation method of sour calcium:
S1: natural limestone is carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 9:1；
S2: hot water is added, CaO is digested, obtain Ca (OH)2Slurry, the temperature of hot water is 70 DEG C, when still aging when digestion
Between be greater than 24 hours, filtering, for use；
S3: specific carbonization synthesis:
1) by Ca (OH)2It under suspension, puts into reaction kettle, the investment 70% when carburizing reagent carries out 10 minutes
Chemical additives A simultaneously continues to be carbonized, the control of carburizing temperature initial temperature at 20 DEG C, process temperature control at 40 DEG C hereinafter,
30% chemical additives B is put into after 15 minutes；
2) 2 hours are stood after all slurries of a chemical combination are sent to secondary chemical combination device；
3) after 2 hours, CO is added in circulation stirring2(4.5m3/ min), pH value is down to 10.0；
4) maturation starts (circulation, stirring), and secondary chemical combination starts to maturation to end to take around 12 hours, also needs during maturation
PH adjusts (2 times), and maturation, which ends, determines that BET is 20, and viscosity 10rpm, 500Pas or more, air specific surface 58000 are added after qualified
Final CO2, pH value is down to 7；
5) final CO2It is warming up to 59 DEG C after addition, is then surface-treated；
S4: surface treatment,
1) 80 DEG C of hot water is first injected into mulser；
2) NaOH is injected, specific gravity 1.27, injection rate 27.2L；
3) fatty acid mixed 66.1L is injected；
4) liquid rosin 22.3L (specific gravity 1.05) is added；
5) dispersing agent is added, mulser is all added, stirring can be fed together storage tank with maturation end of a period liquid after 1 hour, stir
It can be dehydrated after mixing one hour, dry, for mulser temperature at 80 DEG C, surface treating agent answers transparent color after emulsifying completely,
It does not precipitate；
S5: the nanometer calcium carbonate after surface treatment is subjected to filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink
With nano-calcium carbonate calcium product.
Specifically, the content of calcium carbonate is 98% or more in the calcined limestone, and granularity 6-12cm, the fever of coke
Value is in 7000 kilocalories/Kg or more.
Specifically, the chemical additives A and B is citrate, sucrose or phosphate.
Specifically, the dispersing agent is sulfate or phosphate.
Specifically, the rosin is disproportionation rosin, hydrogenated rosin or rosin, additional amount is the 4% of calcium carbonate.
Specifically, the Ca (OH)2It is 9% suspension that pulp suspension, which is configured to concentration,
Specifically, CO when the carbonization2Concentration is 28%.
Specifically, the filter cake moisture is controlled 43%, and the drying temperature of filter cake is 100 DEG C.
Specifically, 1 hour when being by the PH process time for being down to 7 in the step S1, CO2Flow 4.5m3/min。
Specifically, the chemical combination end of a period specific gravity is 1.085, conductivity 150ws/cm, Ca (OH) is diluted before chemical combination2Than
When weight is 1.077,6660L is to cold water 2340L, and when specific gravity is 1.078,6580L is to cold water 2420L, the addition of chemical additives
Amount is with CaCO3Weight is calculated as 0.5-3%, and the temperature of the cold water is lower than 10 DEG C.
Embodiment 3
A kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate, the high transparency high-grade lithographic ink nano-sized carbon
Specific step is as follows for the preparation method of sour calcium:
S1: natural limestone is carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 10:1；
S2: hot water is added, CaO is digested, obtain Ca (OH)2Slurry, the temperature of hot water is 80 DEG C, when still aging when digestion
Between be greater than 24 hours, filtering, for use；
S3: specific carbonization synthesis:
1) by Ca (OH)2It under suspension, puts into reaction kettle, the investment 70% when carburizing reagent carries out 10 minutes
Chemical additives A simultaneously continues to be carbonized, the control of carburizing temperature initial temperature at 25 DEG C, process temperature control at 40 DEG C hereinafter,
30% chemical additives B is put into after 15 minutes；
2) 2 hours are stood after all slurries of a chemical combination are sent to secondary chemical combination device；
3) after 2 hours, CO is added in circulation stirring2(4.5m3/ min), pH value is down to 10.0；
4) maturation starts (circulation, stirring), and secondary chemical combination starts to maturation to end to take around 12 hours, also needs during maturation
PH adjusts (3 times), and maturation, which ends, determines that BET is 21, and viscosity 10rpm, 500Pas or more, air specific surface 58000 are added after qualified
Final CO2, pH value is down to 7；
5) final CO2It is warming up to 59 DEG C after addition, is then surface-treated；
S4: surface treatment,
1) 80 DEG C of hot water is first injected into mulser；
2) NaOH is injected, specific gravity 1.27, injection rate 27.2L；
3) fatty acid mixed 66.1L is injected；
4) liquid rosin 22.3L (specific gravity 1.05) is added；
5) dispersing agent is added, mulser is all added, stirring can be fed together storage tank with maturation end of a period liquid after 1 hour, stir
It can be dehydrated after mixing one hour, dry, for mulser temperature at 80 DEG C, surface treating agent answers transparent color after emulsifying completely,
It does not precipitate；
S5: the nanometer calcium carbonate after surface treatment is subjected to filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink
With nano-calcium carbonate calcium product.
Specifically, the content of calcium carbonate is 98% or more in the calcined limestone, and granularity 12cm, the calorific capacity of coke
In 7000 kilocalories/Kg or more.
Specifically, the chemical additives A and B is citrate, sucrose or phosphate.
Specifically, the dispersing agent is sulfate or phosphate.
Specifically, the rosin is disproportionation rosin, hydrogenated rosin or rosin, additional amount is the 4.5% of calcium carbonate.
Specifically, the Ca (OH)2It is 12% suspension that pulp suspension, which is configured to concentration,
Specifically, CO when the carbonization2Concentration is 30%.
Specifically, the filter cake moisture is controlled 45%, and the drying temperature of filter cake is 110 DEG C.
Specifically, 1 hour when being by the PH process time for being down to 7 in the step S1, CO2Flow 4.5m3/min。
Specifically, the chemical combination end of a period specific gravity is 1.085, conductivity 150ws/cm, Ca (OH) is diluted before chemical combination2Than
When weight is 1.077,6660L is to cold water 2340L, and when specific gravity is 1.078,6580L is to cold water 2420L, the addition of chemical additives
Amount is with CaCO3Weight is calculated as 0.5-3%, and the temperature of the cold water is lower than 10 DEG C.
The present invention uses the processing mode different to different depth soil, and the relatively low soil of deep layer salinization of soil is used
A small amount of improved materials are handled, and the place of more improved materials hybridization is used to the higher soil of surface layer salinization and alkalization
Reason realizes the processing separately changed to different soils, improves salt-soda soil treatment effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate, it is characterised in that: the high transparency top grade glue
Specific step is as follows for the preparation method of printing ink nanometer calcium carbonate:
S1: natural limestone is carried out to high-temperature calcination in shaft kiln into CaO, the ratio of lime stone and coke is 9:1-10:1；
S2: hot water is added, CaO is digested, obtain Ca (OH)2Slurry, the temperature of hot water is 60-80 DEG C when digestion, still aging
Time is greater than 24 hours, filtering, for use；
S3: specific carbonization synthesis:
1) by Ca (OH)2It under suspension, puts into reaction kettle, the crystalline substance of investment 70% when carburizing reagent carries out 10 minutes
Type controlling agent A simultaneously continues to be carbonized, the control of carburizing temperature initial temperature at 18-25 DEG C, process temperature control at 40 DEG C hereinafter,
30% chemical additives B is put into after 15 minutes；
2) 2 hours are stood after all slurries of a chemical combination are sent to secondary chemical combination device；
3) after 2 hours, CO is added in circulation stirring2(4.5m3/ min), pH value is down to 10.0；
4) maturation starts (circulation, stirring), and secondary chemical combination starts to maturation to end to take around 12 hours, and PH is also needed during maturation
It adjusts (2-3 time), maturation, which ends, determines that BET is 20-21, viscosity 10rpm, 500Pas or more, air specific surface 58000, after qualification
Final CO is added2, pH value is down to 7；
5) final CO2It is warming up to 59 DEG C after addition, is then surface-treated；
S4: surface treatment,
1) 80 DEG C of hot water is first injected into mulser；
2) NaOH is injected, specific gravity 1.27, injection rate 27.2L；
3) fatty acid mixed 66.1L is injected；
4) liquid rosin 22.3L (specific gravity 1.05) is added；
5) dispersing agent is added, mulser is all added, stirring can be fed together storage tank with maturation end of a period liquid after 1 hour, stir
It can be dehydrated after mixing one hour, dry, for mulser temperature at 80 DEG C, surface treating agent answers transparent color after emulsifying completely,
It does not precipitate；
S5: the nanometer calcium carbonate after surface treatment is subjected to filter-press dehydration, drying, is crushed, obtains high transparency high-grade lithographic ink
With nano-calcium carbonate calcium product.
2. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: for the content of calcium carbonate 98% or more, the calorific capacity of granularity 6-12cm, coke are big 7000 in the calcined limestone
Card/Kg or more.
3. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: the chemical additives A and B is citrate, sucrose or phosphate.
4. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: the dispersing agent is sulfate or phosphate.
5. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: the rosin is disproportionation rosin, hydrogenated rosin or rosin, and additional amount is the 3.5-4.5% of calcium carbonate.
6. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
It is: the Ca (OH)2It is 6-12% suspension that pulp suspension, which is configured to concentration,.
7. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
It is: the CO when carbonization2Concentration is 26-30%.
8. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: the filter cake moisture control is in 40-45%, and the drying temperature of filter cake is 85-110 DEG C.
9. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
It is: 1 hour when being by the PH process time for being down to 7 in the step S1, CO2Flow 4.5m3/min。
10. a kind of preparation method of high transparency high-grade lithographic ink nanometer calcium carbonate according to claim 1, feature
Be: the chemical combination end of a period specific gravity is 1.085, conductivity 150ws/cm, dilutes Ca (OH) before chemical combination2Specific gravity is 1.077
When, 6660L is to cold water 2340L, and when specific gravity is 1.078,6580L is to cold water 2420L, and the additional amount of chemical additives is with CaCO3
Weight is calculated as 0.5-3%, and the temperature of the cold water is lower than 20 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390277A (en) * | 2020-12-07 | 2021-02-23 | 江西华明纳米碳酸钙有限公司 | Preparation method of special nano calcium carbonate for printing ink |
| CN115744956A (en) * | 2022-11-19 | 2023-03-07 | 山西新泰恒信纳米材料有限公司 | Preparation method of high-dispersion transparent nano calcium carbonate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332207A (en) * | 2001-08-03 | 2002-01-23 | 上海卓越纳米新材料股份有限公司 | Prepn of transparent nanometer calcium carbonate for high-grade lithographic ink |
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2018
- 2018-08-16 CN CN201810936453.3A patent/CN108948796A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332207A (en) * | 2001-08-03 | 2002-01-23 | 上海卓越纳米新材料股份有限公司 | Prepn of transparent nanometer calcium carbonate for high-grade lithographic ink |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390277A (en) * | 2020-12-07 | 2021-02-23 | 江西华明纳米碳酸钙有限公司 | Preparation method of special nano calcium carbonate for printing ink |
| CN115744956A (en) * | 2022-11-19 | 2023-03-07 | 山西新泰恒信纳米材料有限公司 | Preparation method of high-dispersion transparent nano calcium carbonate |
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