CN111393911A - Ferric oxide color paste and preparation method thereof - Google Patents
Ferric oxide color paste and preparation method thereof Download PDFInfo
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- CN111393911A CN111393911A CN202010346254.4A CN202010346254A CN111393911A CN 111393911 A CN111393911 A CN 111393911A CN 202010346254 A CN202010346254 A CN 202010346254A CN 111393911 A CN111393911 A CN 111393911A
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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
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
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Abstract
The invention discloses an iron oxide color paste which comprises the following raw materials in parts by weight: 55 parts of iron oxide pigment, 10 parts of impregnating compound, 3 parts of nano slurry, 5 parts of organic silicon defoamer, 10 parts of magnesium lithium silicate and 40 parts of deionized water. The impregnating compound added into the iron oxide pigment is formed by combining surfactants such as sodium dodecyl sulfate and silane coupling agent KH560 and coupling agent, and the like, so that the iron oxide pigment is subjected to double amphoteric surface treatment, the surface treatment effect is enhanced, and the contact effect of the impregnating compound and the iron oxide pigment can be improved by adding the modified silicon dioxide, so that the treatment capacity is improved.
Description
Technical Field
The invention relates to the technical field of color paste, and particularly relates to iron oxide color paste and a preparation method thereof.
Background
The color paste is a semi-product formed by dispersing pigment or pigment and filling material in the paint vehicle. The pure oil is used as the adhesive to be called as the oily color paste. Resin paint is used as adhesive and is called resin color paste. The pigment and filler pulp which is formed by dispersing water as a medium and adding a surfactant is called water-based color paste. Because the paint types are various, the color paste types are also various. In order to disperse the pigment and the like in the paint more well, a small amount of a surfactant, zinc naphthenate and the like are often added during the manufacturing process.
Although the existing color paste can play the functions of coloring and color mixing, the existing color paste has poor weather resistance and is easy to fade for a long time, thereby influencing the use effect of the color paste; the prior Chinese patent literature publication number is as follows: CN109943152A discloses a nano transparent ferric oxide ink-jet color paste, which is composed of ferric oxide, a dispersant, a pH regulator, a bactericide and water, and comprises the following raw materials in parts by weight: 30-35 parts of iron oxide; 15-20 parts of a dispersing agent; 0.4-0.6 part of pH regulator; 0.2-0.4 part of a bactericide; 45-55 parts of water, and the color paste is simple in raw material proportion and poor in weather resistance, so that further improvement treatment is still needed.
Disclosure of Invention
The invention aims to provide an iron oxide color paste and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an iron oxide color paste which comprises the following raw materials in parts by weight:
55-65 parts of iron oxide pigment, 10-20 parts of impregnating compound, 3-7 parts of nano slurry, 5-15 parts of organic silicon defoamer, 10-20 parts of lithium magnesium silicate and 40-60 parts of deionized water.
Preferably, the iron oxide color paste comprises the following raw materials in parts by weight:
60 parts of iron oxide pigment, 15 parts of impregnating compound, 5 parts of nano slurry, 10 parts of organic silicon defoamer, 15 parts of magnesium lithium silicate and 50 parts of deionized water.
Preferably, the preparation method of the impregnating compound comprises the following steps: adding sodium dodecyl sulfate into a cobalt chloride solution, stirring for 30-40min at a rotating speed of 100r/min, then adding a silane coupling agent KH560 and polyethylene glycol 200, continuing to stir for 30min at a rotating speed of 200-300r/min, finally adding modified silicon dioxide, and stirring for 1-2h at a rotating speed of 500-900r/min to obtain the impregnating compound.
Preferably, the preparation method of the modified silica comprises the following steps: the silicon dioxide is firstly placed in a calcining furnace for calcining for 20-30min at the calcining temperature of 500-600 ℃, and then is placed in an airflow grinder for grinding at the grinding temperature of 300-400 ℃ for 10-20min, so as to obtain the modified silicon dioxide.
Preferably, the preparation method of the nano-slurry comprises the following steps: adding nano montmorillonite into aluminum silicate solution according to the weight ratio of 1:5, stirring at the rotating speed of 200r/min for 30-40min, then adding rare earth lanthanum oxide, and then adding hydrochloric acid to adjust the pH value to 3.0 to obtain nano slurry.
Preferably, the addition amount of the rare earth lanthanum oxide is 2-10% of the total amount of the nano montmorillonite.
Preferably, the addition amount of the rare earth lanthanum oxide is 6 percent of the total amount of the nano montmorillonite.
The invention also provides a preparation method of the ferric oxide color paste, which comprises the following steps:
the method comprises the following steps: weighing the raw materials of each component as required:
step two, sequentially adding iron oxide pigment, impregnating compound, nano slurry, organic silicon defoamer, magnesium lithium silicate and deionized water into a reaction kettle, reacting at the temperature of 90-100 ℃ for 35-45min, and obtaining a reaction material after the reaction is finished;
and step three, feeding the reaction materials into a magnetization tank for magnetization treatment with the magnetization intensity of 2-5BT and the magnetization time of 10-20min, and then carrying out hydrothermal treatment for 20-30min to obtain the iron oxide color paste.
Preferably, the temperature of the hydrothermal treatment is 65-75 ℃, and the rotation speed of the hydrothermal treatment is 200-300 r/min.
Compared with the prior art, the invention has the following beneficial effects:
the sizing agent added in the iron oxide pigment is formed by combining surfactants such as sodium dodecyl sulfate and silane coupling agent KH560 and the like, the purpose is to perform double amphoteric surface treatment on the iron oxide pigment so as to enhance the surface treatment effect, the added modified silicon dioxide can improve the contact effect of the sizing agent and the iron oxide pigment so as to improve the treatment capability, the nano slurry is prepared by matching raw materials such as nano montmorillonite and aluminum silicate solution so as to be matched with the sizing agent, the stability of the product is enhanced, the purpose is to improve the stability of the iron oxide, and the capacities of coloring, color mixing and the like can be realized for a long time.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the iron oxide color paste provided by the embodiment comprises the following raw materials in parts by weight:
55 parts of iron oxide pigment, 10 parts of impregnating compound, 3 parts of nano slurry, 5 parts of organic silicon defoamer, 10 parts of magnesium lithium silicate and 40 parts of deionized water.
The preparation method of the impregnating compound in this embodiment is as follows: adding sodium dodecyl sulfate into a cobalt chloride solution, stirring for 30min at a rotating speed of 100r/min, then adding a silane coupling agent KH560 and polyethylene glycol 200, continuing to stir for 30min at a rotating speed of 200r/min, finally adding modified silicon dioxide, and stirring for 1h at a rotating speed of 500r/min to obtain the impregnating compound.
The preparation method of the modified silica of this example is: and (2) calcining the silicon dioxide in a calcining furnace for 20min at the calcining temperature of 500 ℃, and then grinding the silicon dioxide in an airflow grinder at the grinding temperature of 300 ℃ for 10min to obtain the modified silicon dioxide.
The preparation method of the nano-slurry in the embodiment comprises the following steps: adding nano montmorillonite into aluminum silicate solution according to the weight ratio of 1:5, stirring at the rotating speed of 200r/min for 30min, then adding rare earth lanthanum oxide, and then adding hydrochloric acid to adjust the pH value to 3.0 to obtain nano slurry.
The addition amount of the rare earth lanthanum oxide in the embodiment is 2% of the total amount of the nano montmorillonite.
The invention also provides a preparation method of the ferric oxide color paste, which comprises the following steps:
the method comprises the following steps: weighing the raw materials of each component as required:
step two, sequentially adding iron oxide pigment, impregnating compound, nano slurry, organic silicon defoamer, magnesium lithium silicate and deionized water into a reaction kettle, reacting at 90 ℃ for 35min, and obtaining a reaction material after the reaction is finished;
and step three, feeding the reaction materials into a magnetization tank for magnetization treatment, wherein the magnetization intensity is 2BT, the magnetization time is 10min, and then carrying out hydrothermal treatment for 20min to obtain the iron oxide color paste.
The temperature of the hydrothermal treatment in this example was 65 ℃ and the rotation speed of the hydrothermal treatment was 200 r/min.
Example 2:
the iron oxide color paste provided by the embodiment comprises the following raw materials in parts by weight:
65 parts of iron oxide pigment, 20 parts of impregnating compound, 7 parts of nano slurry, 15 parts of organic silicon defoamer, 20 parts of magnesium lithium silicate and 60 parts of deionized water.
The preparation method of the impregnating compound in this embodiment is as follows: adding sodium dodecyl sulfate into a cobalt chloride solution, stirring for 40min at a rotating speed of 100r/min, then adding a silane coupling agent KH560 and polyethylene glycol 200, continuing to stir for 30min at a rotating speed of 300r/min, finally adding modified silicon dioxide, and then stirring for 2h at a rotating speed of 900r/min to obtain the impregnating compound.
The preparation method of the modified silica of this example is: and (2) calcining the silicon dioxide in a calcining furnace for 30min at the calcining temperature of 600 ℃, and then grinding the silicon dioxide in an airflow grinder at the grinding temperature of 400 ℃ for 20min to obtain the modified silicon dioxide.
The preparation method of the nano-slurry in the embodiment comprises the following steps: adding nano montmorillonite into aluminum silicate solution according to the weight ratio of 1:5, stirring at the rotating speed of 200r/min for 40min, then adding rare earth lanthanum oxide, and then adding hydrochloric acid to adjust the pH value to 3.0 to obtain nano slurry.
The addition amount of the rare earth lanthanum oxide in the embodiment is 10% of the total amount of the nano montmorillonite.
The invention also provides a preparation method of the ferric oxide color paste, which comprises the following steps:
the method comprises the following steps: weighing the raw materials of each component as required:
step two, sequentially adding iron oxide pigment, impregnating compound, nano slurry, organic silicon defoamer, magnesium lithium silicate and deionized water into a reaction kettle, reacting at 100 ℃ for 45min, and obtaining a reaction material after the reaction is finished;
and step three, feeding the reaction materials into a magnetization tank for magnetization treatment, wherein the magnetization intensity is 5BT, the magnetization time is 20min, and then carrying out hydrothermal treatment for 30min to obtain the iron oxide color paste.
The temperature of the hydrothermal treatment in this example was 75 ℃ and the rotation speed of the hydrothermal treatment was 300 r/min.
Example 3:
the iron oxide color paste provided by the embodiment comprises the following raw materials in parts by weight:
60 parts of iron oxide pigment, 15 parts of impregnating compound, 5 parts of nano slurry, 10 parts of organic silicon defoamer, 15 parts of magnesium lithium silicate and 50 parts of deionized water.
The preparation method of the impregnating compound in this embodiment is as follows: adding sodium dodecyl sulfate into a cobalt chloride solution, stirring for 35min at the rotating speed of 100r/min, then adding a silane coupling agent KH560 and polyethylene glycol 200, continuing to stir for 30min at the rotating speed of 250r/min, finally adding modified silicon dioxide, and then stirring for 1.5h at the rotating speed of 700r/min to obtain the impregnating compound.
The preparation method of the modified silica of this example is: and (2) calcining the silicon dioxide in a calcining furnace for 25min at the calcining temperature of 550 ℃, and then grinding the silicon dioxide in an airflow grinder at the grinding temperature of 350 ℃ for 15min to obtain the modified silicon dioxide.
The preparation method of the nano-slurry in the embodiment comprises the following steps: adding nano montmorillonite into aluminum silicate solution according to the weight ratio of 1:5, stirring at the rotating speed of 200r/min for 35min, then adding rare earth lanthanum oxide, and then adding hydrochloric acid to adjust the pH value to 3.0 to obtain nano slurry.
The addition amount of the rare earth lanthanum oxide in the embodiment is 6% of the total amount of the nano montmorillonite.
The invention also provides a preparation method of the ferric oxide color paste, which comprises the following steps:
the method comprises the following steps: weighing the raw materials of each component as required:
step two, sequentially adding iron oxide pigment, impregnating compound, nano slurry, organic silicon defoamer, magnesium lithium silicate and deionized water into a reaction kettle, reacting at 95 ℃ for 40min, and obtaining a reaction material after the reaction is finished;
and step three, feeding the reaction materials into a magnetization tank for magnetization treatment, wherein the magnetization intensity is 3.5BT, the magnetization time is 15min, and then carrying out hydrothermal treatment for 25min to obtain the iron oxide color paste.
The temperature of the hydrothermal treatment in this example was 70 ℃ and the rotation speed of the hydrothermal treatment was 250 r/min.
Comparative example 1:
the materials and preparation process were substantially the same as those of example 3, except that no nanopaste was added.
Comparative example 2:
the materials and preparation process are basically the same as those of the example 3, except that the color paste raw materials which are conventional in the market are adopted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The iron oxide color paste is characterized by comprising the following raw materials in parts by weight:
55-65 parts of iron oxide pigment, 10-20 parts of impregnating compound, 3-7 parts of nano slurry, 5-15 parts of organic silicon defoamer, 10-20 parts of lithium magnesium silicate and 40-60 parts of deionized water.
2. The iron oxide color paste according to claim 2, wherein the iron oxide color paste comprises the following raw materials in parts by weight:
60 parts of iron oxide pigment, 15 parts of impregnating compound, 5 parts of nano slurry, 10 parts of organic silicon defoamer, 15 parts of magnesium lithium silicate and 50 parts of deionized water.
3. The iron oxide color paste according to claim 1, wherein the preparation method of the impregnating compound comprises the following steps: adding sodium dodecyl sulfate into a cobalt chloride solution, stirring for 30-40min at a rotating speed of 100r/min, then adding a silane coupling agent KH560 and polyethylene glycol 200, continuing to stir for 30min at a rotating speed of 200-300r/min, finally adding modified silicon dioxide, and stirring for 1-2h at a rotating speed of 500-900r/min to obtain the impregnating compound.
4. The iron oxide color paste according to claim 3, wherein the preparation method of the modified silica comprises the following steps: the silicon dioxide is firstly placed in a calcining furnace for calcining for 20-30min at the calcining temperature of 500-600 ℃, and then is placed in an airflow grinder for grinding at the grinding temperature of 300-400 ℃ for 10-20min, so as to obtain the modified silicon dioxide.
5. The iron oxide color paste according to claim 1, wherein the preparation method of the nano paste comprises the following steps: adding nano montmorillonite into aluminum silicate solution according to the weight ratio of 1:5, stirring at the rotating speed of 200r/min for 30-40min, then adding rare earth lanthanum oxide, and then adding hydrochloric acid to adjust the pH value to 3.0 to obtain nano slurry.
6. The iron oxide color paste according to claim 5, wherein the addition amount of the rare earth lanthanum oxide is 2-10% of the total amount of the nano montmorillonite.
7. The iron oxide color paste according to claim 6, wherein the addition amount of the rare earth lanthanum oxide is 6% of the total amount of the nano montmorillonite.
8. The preparation method of the iron oxide color paste as claimed in claims 1 to 7, which is characterized by comprising the following steps:
the method comprises the following steps: weighing the raw materials of each component as required:
step two, sequentially adding iron oxide pigment, impregnating compound, nano slurry, organic silicon defoamer, magnesium lithium silicate and deionized water into a reaction kettle, reacting at the temperature of 90-100 ℃ for 35-45min, and obtaining a reaction material after the reaction is finished;
and step three, feeding the reaction materials into a magnetization tank for magnetization treatment with the magnetization intensity of 2-5BT and the magnetization time of 10-20min, and then carrying out hydrothermal treatment for 20-30min to obtain the iron oxide color paste.
9. The method for preparing the ferric oxide color paste according to claim 8, wherein the temperature of the hydrothermal treatment is 65-75 ℃, and the rotation speed of the hydrothermal treatment is 200-300 r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010346254.4A CN111393911A (en) | 2020-04-28 | 2020-04-28 | Ferric oxide color paste and preparation method thereof |
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| CN202010346254.4A CN111393911A (en) | 2020-04-28 | 2020-04-28 | Ferric oxide color paste and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321972A (en) * | 2021-06-25 | 2021-08-31 | 浙江纳美新材料股份有限公司 | POS machine color paste with zero VOC (volatile organic compound) emission |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300453A1 (en) * | 1993-01-11 | 1994-07-14 | Bayer Ag | Flocculation-stable pigments, process for their preparation and their use |
| CN101760088A (en) * | 2009-04-13 | 2010-06-30 | 昆山市世名科技开发有限公司 | Color paste for nanometer modified environmentally-friendly ferric oxide machine and preparation method thereof |
-
2020
- 2020-04-28 CN CN202010346254.4A patent/CN111393911A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300453A1 (en) * | 1993-01-11 | 1994-07-14 | Bayer Ag | Flocculation-stable pigments, process for their preparation and their use |
| CN101760088A (en) * | 2009-04-13 | 2010-06-30 | 昆山市世名科技开发有限公司 | Color paste for nanometer modified environmentally-friendly ferric oxide machine and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 叶扬祥 潘肇基主编: "《涂装技术实用手册》", 30 April 1998 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321972A (en) * | 2021-06-25 | 2021-08-31 | 浙江纳美新材料股份有限公司 | POS machine color paste with zero VOC (volatile organic compound) emission |
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