CN116082881A - Azo treasured red base ink with high color saturation and preparation process thereof - Google Patents
Azo treasured red base ink with high color saturation and preparation process thereof Download PDFInfo
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- CN116082881A CN116082881A CN202211356301.9A CN202211356301A CN116082881A CN 116082881 A CN116082881 A CN 116082881A CN 202211356301 A CN202211356301 A CN 202211356301A CN 116082881 A CN116082881 A CN 116082881A
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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
- 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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- C—CHEMISTRY; METALLURGY
- 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
- C09D11/52—Electrically conductive inks
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Abstract
The invention provides azo treasured red base ink with high color saturation, which comprises the following raw materials in parts by weight: 40-85 parts of filter cake, 25-65 parts of valve water, 5-22 parts of mixed oil, 0.2-0.5 part of demulsifier, 0.5-1 part of Vaseline, 2-5 parts of expanded perlite powder, 0.3-0.5 part of graphite powder, 0.1-0.3 part of dispersing agent and 0.1-0.3 part of conductive powder. The demulsifier is favorable for kneading water, so that the water content is reduced; the graphite powder can directly improve the light resistance of the ink, so that the ink can better keep stable color after being subjected to light; vaseline alone cannot improve the light resistance of the ink, but can assist graphite powder in better improving the light resistance of the ink; the expanded perlite powder is beneficial to improving the adhesive force of the printing ink; the epoxy resin, the titanium dioxide, the curing agent and the active silicon micro powder form a mixed fluid environment, so that the effects of uniformly dispersing and fixing the graphene are achieved, the graphene is uniformly and stably dispersed in the mixed environment, and further the resistivity difference of each position point of the brushed ink is small, and the electric conductivity is stable and excellent.
Description
Technical Field
The invention relates to the technical field of ink, in particular to azo treasured red base ink with high color saturation and a preparation process thereof.
Background
In the prior art, when producing ink base ink, after all the filter cake pigment is put into a kneader, valve water is added, and water in the filter cake pigment is extruded through kneading. While presscake pigments generally contain 40 to 70% of water, these are kneaded by using a kneader, and the valve water and presscake pigment are separated by stirring to separate out water, which is then discharged by vacuum dehydration.
However, the water is directly dehydrated in vacuum after one-time water kneading operation, which is unfavorable for the reduction of the water content; and the prepared ink has poor comprehensive performance, and light resistance, adhesive force and electric conductivity are all to be improved. Therefore, it is necessary to provide an azo treasured red base ink having high color saturation and a preparation process thereof, so as to solve the above existing problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides azo treasured red base ink with high color saturation and a preparation process thereof, and adopts the following technical scheme:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
40-85 parts of filter cake, 25-65 parts of valve water, 5-22 parts of mixed oil, 0.2-0.5 part of demulsifier, 0.5-1 part of Vaseline, 2-5 parts of expanded perlite powder, 0.3-0.5 part of graphite powder, 0.1-0.3 part of dispersing agent and 0.1-0.3 part of conductive powder.
Further, the production raw materials comprise the following components in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
Further, the conductive powder comprises the following raw materials in parts by weight:
20-35 parts of epoxy resin, 15-27 parts of titanium dioxide, 1-3 parts of curing agent, 0.2-0.8 part of graphene and 0.2-0.6 part of active silicon micropowder.
Further, the preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during the stirring, and uniformly stirring to obtain the conductive powder.
Further, in the step a2, stirring is performed at a stirring speed of 800-1200rpm for 5-20min.
Further, the preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
at room temperature, putting the filter cake pigment into a kneader, slowly stirring for 20-30min, sampling, rubbing by hand to feel whether hard particles exist or not, if the hand feeling is hard, adding water to moisten until no obvious hard particles exist, and obtaining a moistening material;
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and uniformly stirring for 8-15min to obtain a first-stage kneaded material;
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 10-18min to obtain a second-stage kneading material;
b4, three-stage kneading water treatment;
adding conductive powder into the secondary kneading material obtained in the step b3, controlling the temperature at 75+/-3 ℃, and uniformly stirring for 5-8min to obtain a tertiary kneading material;
b5, vacuumizing and color changing;
heating to 110deg.C under negative pressure, and maintaining for 30min;
b6, sampling and comparing;
and b7, oiling and diluting.
In step b1, the heat conducting oil is started to heat during stirring, and the temperature is raised to 40 ℃.
Further, the specific operation steps of b5 are as follows:
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
Further, the specific operation steps of b6 are as follows:
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
The technical scheme of the invention at least comprises the following beneficial effects:
1. the raw materials of the production formula comprise the demulsifier, and the demulsifier is favorable for kneading out water under the same production process, so that the water content is reduced;
2. in the preparation process, raw materials are added successively through three steps and the operation condition of water kneading and water discharging is changed to carry out three times of water kneading and discharging operations, and compared with the process that all the rest raw materials are put into the water kneading and discharging operation at one time, the preparation process is more beneficial to water kneading and discharging, so that the water content is reduced;
3. the raw materials of the production formula comprise graphite powder, and under the same production process, the light resistance of the ink can be directly improved, so that the ink can better keep stable color after being subjected to light; the production raw materials also comprise vaseline which cannot independently improve the light resistance of the ink, but can assist the graphite powder to better improve the light resistance of the ink;
4. the raw materials of the production formula comprise the expanded perlite powder, and the adhesive force of the printing ink is improved under the same production process;
5. the production raw material formula comprises conductive powder, wherein the preparation raw materials of the conductive powder comprise epoxy resin, titanium dioxide, a curing agent, graphene and active silicon micro powder, wherein the graphene directly provides a medium for electron transfer, so that the conductivity of the color ink is directly improved; the epoxy resin, the titanium dioxide, the curing agent and the active silicon micro powder form a mixed fluid environment, so that the effects of uniformly dispersing and fixing the graphene are achieved, the graphene is uniformly and stably dispersed in the mixed environment, and the resistivity of each position point of the brushed ink is small in difference, uniform in distribution and stable and excellent in conductivity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Example 1
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 14min to obtain a second-stage kneading material.
b4, three-stage kneading water treatment;
and (3) adding conductive powder into the secondary kneading material obtained in the step (b 3), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 6min to obtain the tertiary kneading material.
b5, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b6, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b7, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b8, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Example 2
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
65 parts of filter cake, 30 parts of valve water, 14 parts of mixed oil, 0.4 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.4 part of graphite powder, 0.2 part of dispersing agent and 0.2 part of conductive powder.
In this example, the preparation method of the conductive powder, the preparation method of the expanded perlite powder and the preparation process of the azo treasured red base ink with high color saturation are the same as in example 1.
Example 3
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
80 parts of filter cake, 50 parts of valve water, 20 parts of mixed oil, 0.2 part of demulsifier, 0.6 part of Vaseline, 3 parts of expanded perlite powder, 0.3 part of graphite powder, 0.1 part of dispersing agent and 0.1 part of conductive powder.
In this example, the preparation method of the conductive powder, the preparation method of the expanded perlite powder and the preparation process of the azo treasured red base ink with high color saturation are the same as in example 1.
Example 4
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
40 parts of filter cake, 25 parts of valve water, 6 parts of mixed oil, 0.5 part of demulsifier, 0.8 part of Vaseline, 4 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.3 part of conductive powder.
Example 5
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
50 parts of filter cake, 30 parts of valve water, 10 parts of mixed oil, 0.3 part of demulsifier, 0.8 part of Vaseline, 4 parts of expanded perlite powder, 0.4 part of graphite powder, 0.2 part of dispersing agent and 0.2 part of conductive powder.
Example 6
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
75 parts of filter cake, 26 parts of valve water, 6 parts of mixed oil, 0.4 part of demulsifier, 0.6 part of Vaseline, 3 parts of expanded perlite powder, 0.3 part of graphite powder, 0.3 part of dispersing agent and 0.1 part of conductive powder.
Example 7
This embodiment differs from embodiment 1 only in that:
the azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
85 parts of filter cake, 65 parts of valve water, 6 parts of mixed oil, 0.2 part of demulsifier, 0.5 part of Vaseline, 2 parts of expanded perlite powder, 0.3 part of graphite powder, 0.1 part of dispersing agent and 0.1 part of conductive powder.
Comparative example 1
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
and (3) sequentially adding graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and stirring at a constant speed for 14min to obtain a second-stage kneading material.
b4, three-stage kneading water treatment;
and (3) adding conductive powder into the secondary kneading material obtained in the step (b 3), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 6min to obtain the tertiary kneading material.
b5, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b6, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b7, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b8, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 2
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 14min to obtain a second-stage kneading material.
b4, three-stage kneading water treatment;
and (3) adding conductive powder into the secondary kneading material obtained in the step (b 3), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 6min to obtain the tertiary kneading material.
b5, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b6, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b7, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b8, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 3
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil and vaseline into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 14min to obtain a second-stage kneading material.
b4, three-stage kneading water treatment;
and (3) adding conductive powder into the secondary kneading material obtained in the step (b 3), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 6min to obtain the tertiary kneading material.
b5, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b6, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b7, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b8, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 4
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding valve water, mixed oil and demulsifier into the wet material obtained in b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 14min to obtain a second-stage kneading material.
b4, three-stage kneading water treatment;
and (3) adding conductive powder into the secondary kneading material obtained in the step (b 3), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 6min to obtain the tertiary kneading material.
b5, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b6, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b7, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b8, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 5
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and stirring at constant speed for 12min to obtain a first-stage kneaded material.
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 14min to obtain a second-stage kneading material.
b4, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b5, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b6, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b7, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 6
The azo treasured red base ink with high color saturation comprises the following raw materials in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
The conductive powder comprises the following raw materials in parts by weight:
22 parts of epoxy resin, 18 parts of titanium dioxide, 2 parts of curing agent, 0.4 part of graphene and 0.3 part of active silicon micro powder.
The preparation method of the conductive powder comprises the following steps:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring at a stirring speed of 800-1200rpm under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during stirring for 10min, and uniformly stirring to obtain the conductive powder.
The preparation method of the expanded perlite powder comprises the following steps:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
The preparation process of the azo treasured red base ink with high color saturation comprises the following steps:
b1, determining the wettability of a filter cake;
and (3) confirming the types and the quantity of the filter cakes according to the production type number, putting the filter cake pigment into a kneader at room temperature, starting heat conduction oil for heating, heating to 40 ℃, slowly stirring for 25min, sampling, rubbing by hands to feel whether hard particles exist, and if the hand feeling is hard, adding water for wetting until no obvious hard particles exist, thus obtaining the wetting material.
b2, kneading and yielding water treatment;
and (3) sequentially adding vaseline, mixed oil, vaseline, demulsifier, expanded perlite powder, graphite powder, dispersing agent and conductive powder into the wet material obtained in the step (b 1), controlling the temperature at 75+/-3 ℃, and uniformly stirring for 30min to obtain the kneaded material.
b3, vacuumizing and color changing;
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
b4, sampling and comparing;
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
b5, oiling and diluting;
after the ink color of the basic ink is not obviously abnormal, oiling according to a production list; mineral oil is added for multiple times, and the wall of the kneader is shoveled once every other mineral oil is added, so that the water squeezing is ensured to be full and the kneading is uniform, and the detection concentration and the ink color are not abnormal.
b6, discharging;
after no obvious particles and abnormal substances exist in the water squeezing process, the pipeline is connected to the motor for normal discharging.
The temperatures involved in the process are all cavity temperatures, and the actual squeezing temperature is about 12-15 ℃ lower than the cavity temperature.
Comparative example 7
This comparative example differs from example 1 only in that: the conductive powder is single-component graphene.
In examples 1-7 and comparative examples 1-7, the blend oil was formulated from vegetable oil and mineral oil in a mass ratio of 1:1.
Summarizing: examples 1-7 and comparative examples 1-5, the statistics of the components are shown in Table 1 (in parts by weight).
| Filter cake | Valve water | Mixed oil | Demulsifier | Vaseline | Expanded perlite powder | Graphite powder | Dispersing agent | Conductive powder | |
| Example 1 | 70 | 40 | 16 | 0.3 | 0.7 | 3 | 0.5 | 0.3 | 0.2 |
| Example 2 | 65 | 30 | 14 | 0.4 | 0.7 | 3 | 0.4 | 0.2 | 0.2 |
| Example 3 | 80 | 50 | 20 | 0.2 | 0.6 | 3 | 0.3 | 0.1 | 0.1 |
| Example 4 | 40 | 25 | 6 | 0.5 | 0.8 | 4 | 0.5 | 0.3 | 0.3 |
| Example 5 | 50 | 30 | 10 | 0.3 | 0.8 | 4 | 0.4 | 0.2 | 0.2 |
| Example 6 | 75 | 26 | 6 | 0.4 | 0.6 | 3 | 0.3 | 0.3 | 0.1 |
| Example 7 | 85 | 65 | 6 | 0.2 | 0.5 | 2 | 0.3 | 0.1 | 0.1 |
| Comparative example 1 | 70 | 40 | 16 | 0.3 | 0.7 | - | 0.5 | 0.3 | 0.2 |
| Comparative example 2 | 70 | 40 | 16 | 0.3 | 0.7 | 3 | - | 0.3 | 0.2 |
| Comparative example 3 | 70 | 40 | 16 | - | 0.7 | 3 | 0.5 | 0.3 | 0.2 |
| Comparative example 4 | 70 | 40 | 16 | 0.3 | - | 3 | 0.5 | 0.3 | 0.2 |
| Comparative example 5 | 70 | 40 | 16 | 0.3 | 0.7 | 3 | 0.5 | 0.3 | - |
Table 1.
Test example 1
Test object: examples 1-7, comparative example 3 and comparative example 6.
Test item: moisture content (%);
and detecting after the vacuumizing is finished.
Test results: see table 2.
| Moisture content (%) | |
| Example 1 | 10 |
| Example 2 | 11 |
| Example 3 | 12 |
| Example 4 | 11 |
| Example 5 | 12 |
| Example 6 | 11 |
| Example 7 | 11 |
| Comparative example 3 | 17 |
| Comparative example 6 | 16 |
Table 2.
Conclusion of the test: as can be seen from table 2, example 1 is a preferred example;
comparative example 3 the single variable relative to example 1 is that no demulsifier was added to the raw material formulation, and as a result, the water content of comparative example 3 was significantly higher than that of example 1, and it was found that the addition of demulsifier to the raw material formulation was advantageous for kneading out water under the same production process, thereby reducing the water content;
the single variables for comparative example 6 with respect to example 1 are: in the production process of example 1, the raw materials were successively added in three steps and the kneading and water-discharging operation conditions were changed to conduct the kneading and water-discharging operation three times, whereas in comparative example 6, all the remaining raw materials were all put into the kneading and water-discharging operation at one time, and as a result, the water content of comparative example 6 was significantly higher than that of example 1, and it was found that the kneading and water-discharging operation was conducted in a plurality of times by successively adding the raw materials, thereby reducing the water content.
Test example 2
Test object: example 1, comparative example 2 and comparative example 4.
Test item: light resistance;
the light resistance of the ink refers to a property of the ink to maintain a stable color after the ink is exposed to light;
dividing the printed or plate-printed color sample into two parts, wherein one part is irradiated under sunlight for about 4 hours, and the other part is placed at a dark place; or the color sample is folded in half and then placed under sunlight, a part of the printing surface is placed upwards, the sunlight is irradiated, and a part of the printing surface is placed downwards to backlight; after 4 hours, the color deviation of the two partial color samples is compared, and recording is carried out according to the following standard;
no obvious color shift: optimizing;
slightly color-shifted: good quality;
there is a pronounced color shift: and (3) difference.
The presence of a significant color shift indicates that the ink has inadequate light fastness.
Test results: see table 3.
| Light resistance | |
| Example 1 | Excellent (excellent) |
| Comparative example 2 | Difference of difference |
| Comparative example 4 | Good grade (good) |
Table 3.
Conclusion of the test: as can be seen from table 3, under the same production process, the graphite powder is added into the raw material formulation, so that the light resistance of the ink can be directly improved, and the ink can better keep stable color after being exposed to light; the addition of vaseline to the raw materials alone cannot improve the light resistance of the ink, but can assist the graphite powder in better improving the light resistance of the ink.
Test example 3
Test object: example 1 and comparative example 1.
Test item: adhesion force;
according to DINEN ISO92409, testing the adhesive force of an ink layer to coated paper by using a hundred-grid method, uniformly applying force on the surface of the ink layer by using a hundred-grid knife, drawing a hundred-grid pattern, cleaning for three times by using a soft brush, pulling out a 3M 360# adhesive tape, pasting on a grid, applying force to the surface of the adhesive tape to press the adhesive tape, then tearing the adhesive tape within 0.5-1s while keeping the angle of the adhesive tape and a sample at 60 degrees, observing the falling condition of the ink layer, and recording according to the following standard;
the ink layer is well attached: class a;
the color of the part of the ink layer becomes light: b stage;
the ink layer portion is torn off: and C stage.
Test results: see table 4.
| Adhesion force | |
| Example 1 | Class A |
| Comparative example 1 | Class B |
Table 4.
Conclusion of the test: as can be seen from table 4, under the same production process, the addition of the expanded perlite powder to the raw material formulation is beneficial to improving the adhesion of the ink.
Test example 4
Test object: example 1, comparative example 5 and comparative example 7.
Test item: conductivity;
printing a plurality of strip samples on coated paper by using the color ink prepared in the example 1 and the comparative example 5, and then transferring the strip samples into a vacuum drying oven at the temperature of 100 ℃ for processing for 35min; then, the resistances of the ink film surface at different positions were measured with four probes, and the resistivity ρ=rd of the color ink was calculated, where R is the resistance measurement value and d is the ink layer thickness.
Test results: see table 5.
Table 5.
Conclusion of the test: as can be seen from table 5, the conductive powder is added in the formulation of the production raw materials, and the preparation raw materials of the conductive powder comprise epoxy resin, titanium dioxide, curing agent, graphene and active silicon micro powder, wherein the graphene directly provides a medium for electron transfer, so that the conductivity of the color ink is directly improved; the epoxy resin, the titanium dioxide, the curing agent and the active silicon micro powder form a mixed fluid environment, so that the effects of uniformly dispersing and fixing the graphene are achieved, the graphene is uniformly dispersed in the mixed environment, the resistivity difference of each position point of the brushed ink is small, the distribution is uniform, and the conductivity is stable and excellent.
The foregoing is a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention and are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The azo treasured red base ink with high color saturation is characterized by comprising the following raw materials in parts by weight:
40-85 parts of filter cake, 25-65 parts of valve water, 5-22 parts of mixed oil, 0.2-0.5 part of demulsifier, 0.5-1 part of Vaseline, 2-5 parts of expanded perlite powder, 0.3-0.5 part of graphite powder, 0.1-0.3 part of dispersing agent and 0.1-0.3 part of conductive powder.
2. The azo treasured red base ink having high color saturation according to claim 1, wherein the raw materials for producing the same comprise the following components in parts by weight:
70 parts of filter cake, 40 parts of valve water, 16 parts of mixed oil, 0.3 part of demulsifier, 0.7 part of Vaseline, 3 parts of expanded perlite powder, 0.5 part of graphite powder, 0.3 part of dispersing agent and 0.2 part of conductive powder.
3. The azo treasured red base ink having high color saturation according to claim 1 or 2, wherein the conductive powder comprises the following raw materials in parts by weight:
20-35 parts of epoxy resin, 15-27 parts of titanium dioxide, 1-3 parts of curing agent, 0.2-0.8 part of graphene and 0.2-0.6 part of active silicon micropowder.
4. The azo treasured red base ink having high color saturation according to claim 3, wherein the conductive powder is prepared by the following method:
a1, uniformly mixing epoxy resin, titanium pigment and a curing agent, and then melting, extruding, tabletting, cooling and crushing to obtain mixed powder;
and a2, mixing the mixed powder obtained in the step a1 with graphene and active silicon micro powder, stirring under the protection of neon, controlling the ambient temperature to be 55-65 ℃ during the stirring, and uniformly stirring to obtain the conductive powder.
5. The azo treasured red base ink having high color saturation according to claim 4, wherein the stirring speed of 800-1200rpm is used in the step a2, and the stirring is performed for 5-20min.
6. The azo treasured red base ink having high color saturation according to claim 1, wherein the expanded perlite powder is prepared by the following process:
crushing perlite ore to form ore sand with certain granularity, preheating and roasting, rapidly heating at the temperature of more than 1000 ℃, vaporizing water in the ore sand, expanding inside the softened ore sand containing glass to form a porous structure, grinding, and sieving with a sieve with 45 mu m to obtain the expanded perlite powder.
7. A process for preparing an azo bao red base ink having a high color saturation according to any one of claims 1 to 6, comprising the steps of:
b1, determining the wettability of a filter cake;
at room temperature, putting the filter cake pigment into a kneader, slowly stirring for 20-30min, sampling, rubbing by hand to feel whether hard particles exist or not, if the hand feeling is hard, adding water to moisten until no obvious hard particles exist, and obtaining a moistening material;
b2, first-stage kneading effluent treatment;
sequentially adding vaseline, mixed oil, vaseline and demulsifier into the wet material obtained in step b1, controlling the temperature at 65+/-3 ℃, and uniformly stirring for 8-15min to obtain a first-stage kneaded material;
b3, secondary kneading effluent treatment;
sequentially adding expanded perlite powder, graphite powder and a dispersing agent into the first-stage kneading material obtained in the step b2, controlling the temperature at 70+/-3 ℃, and uniformly stirring for 10-18min to obtain a second-stage kneading material;
b4, three-stage kneading water treatment;
adding conductive powder into the secondary kneading material obtained in the step b3, controlling the temperature at 75+/-3 ℃, and uniformly stirring for 5-8min to obtain a tertiary kneading material;
b5, vacuumizing and color changing;
heating to 110deg.C under negative pressure, and maintaining for 30min;
b6, sampling and comparing;
and b7, oiling and diluting.
8. The process for preparing azo treasured red base ink having high color saturation according to claim 7, wherein in b1, the heat conducting oil is started to heat up to 40 ℃ during stirring.
9. The process for preparing azo treasured red base ink having high color saturation according to claim 3, wherein the specific operating steps of b5 are as follows:
before vacuumizing, when the temperature is confirmed to be 100 ℃, vacuumizing is started, whether a sealing adhesive tape of the kneader is damaged or not is observed, after no abnormality exists, an exhaust hand valve and a steam valve of a vacuum pump are closed, a cold water valve of a cooling vacuum machine is opened, normal water flow is kept, the vacuumizing process is started, after the temperature is increased to be 110 ℃, heat conduction oil is closed, the final negative pressure is 0.7+/-0.2 MPa, and the temperature is kept at 113 ℃ for 30 minutes.
10. The process for preparing azo treasured red base ink having high color saturation according to claim 3, wherein the specific operating steps of b6 are as follows:
closing vacuumizing, uniformly stirring the sample and standard base ink in a ratio of 1:1, scraping to observe the ink color, and continuously vacuumizing until the vacuumizing color change time is not reached and the color change is not completed; the color of the ink turns yellow and the color of the ink turns blue, which means that the vacuumizing time is too long and the vacuumizing can not be continued; and the contrast color scraping of the base ink is observed and detected for many times, so that the vacuum pumping over head is avoided.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080743A (en) * | 2000-09-11 | 2002-03-19 | Toyo Ink Mfg Co Ltd | Method for producing pigment composition and the pigment composition |
| CN101434772A (en) * | 2007-11-15 | 2009-05-20 | 于士井 | Construction exterior wall paint with superior heat preserving performance |
| CN103045004A (en) * | 2012-12-27 | 2013-04-17 | 茂名阪田油墨有限公司 | Preparation method for producing basic ink of printing ink through staged kneading |
| CN108395677A (en) * | 2018-04-24 | 2018-08-14 | 江苏如东高新石墨烯产业研究院有限公司 | Graphene modified powder epoxy resin and preparation method thereof |
| CN109694636A (en) * | 2017-10-20 | 2019-04-30 | 常州第六元素材料科技股份有限公司 | Graphene conductive powdery paints and preparation method thereof, application method |
| CN109943127A (en) * | 2019-04-04 | 2019-06-28 | 苏州格瑞丰纳米科技有限公司 | A kind of thin graphene dispersed paste, preparation method and application |
-
2022
- 2022-11-01 CN CN202211356301.9A patent/CN116082881A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080743A (en) * | 2000-09-11 | 2002-03-19 | Toyo Ink Mfg Co Ltd | Method for producing pigment composition and the pigment composition |
| CN101434772A (en) * | 2007-11-15 | 2009-05-20 | 于士井 | Construction exterior wall paint with superior heat preserving performance |
| CN103045004A (en) * | 2012-12-27 | 2013-04-17 | 茂名阪田油墨有限公司 | Preparation method for producing basic ink of printing ink through staged kneading |
| CN109694636A (en) * | 2017-10-20 | 2019-04-30 | 常州第六元素材料科技股份有限公司 | Graphene conductive powdery paints and preparation method thereof, application method |
| CN108395677A (en) * | 2018-04-24 | 2018-08-14 | 江苏如东高新石墨烯产业研究院有限公司 | Graphene modified powder epoxy resin and preparation method thereof |
| CN109943127A (en) * | 2019-04-04 | 2019-06-28 | 苏州格瑞丰纳米科技有限公司 | A kind of thin graphene dispersed paste, preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 机械制造工艺材料技术手册编写组: "《机械制造工艺材料技术手册 中册》", vol. 1, 中国石化出版社, pages: 406 - 407 * |
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