CN112795274A - Preparation method of blue pigment - Google Patents
Preparation method of blue pigment Download PDFInfo
- Publication number
- CN112795274A CN112795274A CN202110005831.8A CN202110005831A CN112795274A CN 112795274 A CN112795274 A CN 112795274A CN 202110005831 A CN202110005831 A CN 202110005831A CN 112795274 A CN112795274 A CN 112795274A
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- China
- Prior art keywords
- pigment
- blue pigment
- solution
- filtering
- sphenoidea
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09D103/02—Starch; Degradation products thereof, e.g. dextrin
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/06—Artists' paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses a method for preparing blue pigment, which comprises the steps of extracting and filtering to obtain sphenoidea solution, adding a swelling agent and epoxy resin, adding edible alkali to adjust the pH value, adding starch to obtain thick paste-shaped blue pigment, and storing, wherein coptis chinensis and sodium chloride are also added into the blue pigment. The invention uses the sphenoides flower as the raw material, extracts the anthocyanin, and mixes the anthocyanin with starch to prepare the blue pigment, and in order to ensure the purity of the blue color of the obtained pigment, edible alkali is added into the pigment. The anthocyanin has good oxidation resistance, so that the color retention time of the obtained pigment is long, and in order to further improve the color retention time, the epoxy resin and the sodium chloride are added, so that the pigment has compact and stable texture and certain viscosity, the painting can be stored for a long time and is not easy to change color, the growth of mold can be effectively inhibited, the paint is mildew-proof and antibacterial, and the paint has the functions of color fixation and fresh keeping, so that the obtained pigment is not faded for a long time, and the storage time is long.
Description
Technical Field
The invention relates to the technical field of pigment preparation, in particular to a preparation method of a blue pigment.
Background
In the drawing process of oil paintings and landscape paintings, pigments with various colors are often needed to be used for coloring the oil paintings and the landscape paintings. Blue pigments are the primary color in pigments. Most of blue pigments sold on the market at present are made of chemical raw materials, and the blue pigments after chemical treatment can cause harm to the environment and can also cause harm to the environment in the chemical treatment process.
In addition, when a blue pigment prepared by chemical synthesis using chemical raw materials is used, the blue pigment may remain on the user's body, and if the user touches food with a hand to which the pigment is stuck without cleaning the user, the pigment may enter the human body to cause damage to the human body. Especially, a lot of children begin to study and draw at very small time now, and children eat the pigment by mistake more easily in the drawing process, if the pigment that uses the chemical industry raw materials synthesis, probably cause serious injury to children's health after eating by mistake.
Disclosure of Invention
In view of the above disadvantages, the present invention provides a method for preparing a blue pigment, which is characterized in that the prepared blue pigment is not easy to fade, has good durability, is non-toxic and harmless, and is environment-friendly.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a method for preparing a blue pigment comprises the following steps:
s1: boiling the clitoria terniflora in boiling water for 30-60 min, and filtering to remove the clitoria terniflora to obtain a clitoria terniflora solution;
s2: adding a swelling agent and epoxy resin into the sphenoidea solution;
s3: adding edible alkali into the butterflybush flower solution, and adjusting the pH value to be more than 11;
s4: adding starch into the sphenoidea solution while stirring to uniformly mix the solution with the sphenoidea solution, and stopping adding the starch when the solution becomes thick paste to obtain a blue pigment;
s5: and (4) sealing and storing the blue pigment in dark.
Preferably, the filtering is performed by using a molecular sieve, the filtering comprises primary filtering and secondary filtering, the first filtering removes the sphenoides flower, and the secondary filtering removes the residual part of the sphenoides flower remaining in the solution, so that the obtained solution of the sphenoides flower has no other impurities.
Preferably, coptis chinensis is also added into the blue pigment.
Preferably, sodium chloride is also added into the blue pigment.
Preferably, the ratio of the buttercup flower to the leavening agent to the epoxy resin to the coptis chinensis to the sodium chloride is 1:1:1:0.5: 0.8.
The invention has the beneficial effects that:
1. according to the invention, the Clitoria ternatea flower is placed into boiling water to be steamed and boiled to obtain blue liquid, then starch is added while stirring to form thick paste-shaped pigment, edible alkali is added into the pigment to keep the pH value of the pigment to be more than 11, so that the obtained pigment is ensured to be blue, and the extracted Clitoria ternatea flower solution contains anthocyanin, so that the pigment has good oxidation resistance;
2. according to the invention, the swelling agent is added into the sphenoidea solution to enable the obtained pigment to be fluffy, and after the epoxy resin is added for curing, the obtained pigment is compact, firm and stable in texture and has certain viscosity, so that the painting drawn by using the pigment can be stored for a long time and is not easy to change color.
3. According to the invention, a little coptis chinensis is added into the blue pigment, so that the prepared pigment has bitter taste, and after being eaten by children by mistake, the pigment is not swallowed but is spitted out by the children due to the bitter taste, so that the pigment can be prevented from being eaten by the children by mistake, and the habit that the children do not eat the pigment by mistake in the subsequent pigment using process can be developed.
4. According to the invention, sodium chloride is added into the blue pigment, so that the growth of mould can be effectively inhibited, and the blue pigment is mildew-proof and anti-bacterial and has the functions of color fixation and freshness preservation, so that the obtained pigment is durable and fadeless, and the storage time is long.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in detail with reference to the embodiments.
Example 1:
a method for preparing a blue pigment comprises the following steps:
s1: boiling the clitoria sphenanthera flower in boiling water for 30-60 min, filtering the clitoria sphenanthera flower to obtain a clitoria sphenanthera flower solution, wherein the filtering adopts a molecular sieve for filtering, the filtering comprises primary filtering and secondary filtering, the primary filtering is used for removing the clitoria sphenanthera flower, and the secondary filtering is used for removing the residual part of the clitoria sphenanthera flower in the solution, so that the obtained clitoria sphenanthera flower solution has no other impurities, and thus the prepared blue pigment has pure texture and uniform coloring, and does not have fine particles in the picture making;
s2: adding a swelling agent and epoxy resin into the sphenoidea solution to enable the obtained pigment to be fluffy, adding the epoxy resin to cure, and enabling the obtained pigment to be compact, firm and stable in texture and to have certain viscosity, so that the painting drawn by using the pigment can be stored for a long time and is not easy to change color;
s3: adding edible alkali into the sphenoidea solution, and adjusting the pH value to be more than 11, so as to ensure that the color of the obtained pigment is blue and prevent color difference;
s4: adding starch into the sphenoidea solution while stirring to uniformly mix the solution with the sphenoidea solution, and stopping adding the starch when the solution becomes thick paste to obtain a blue pigment;
s5: and (4) sealing and storing the blue pigment in dark.
Example 2:
steps S1 to S5 are the same as in example 1, except that sodium chloride is added to the blue pigment, which can effectively inhibit the growth of mold, prevent mold and bacteria, and have the functions of color fixation and freshness preservation, so that the obtained pigment is durable and does not fade, and the storage time is long.
The coptis chinensis is also added into the blue pigment, so that the prepared pigment has bitter taste, and after being eaten by children by mistake, the pigment cannot be swallowed by the children due to the bitter taste, but is spit out, so that the pigment can be prevented from being eaten by the children by mistake (although the pigment is nontoxic and harmless), and a habit of not eating the pigment by mistake can be developed by the children in the subsequent pigment using process.
In this embodiment, the ratio of the buttercup flower, the leavening agent, the epoxy resin, the coptis root and the sodium chloride is 1:1:1:0.5: 0.8.
The preparation method comprises the steps of extracting anthocyanin from the butterflybush flower by using the butterflybush flower as a raw material, mixing the anthocyanin serving as a blue coloring agent with starch to prepare the blue pigment, and adding edible alkali into the pigment to ensure that the pH value of the pigment is more than 11 in order to ensure the blue color of the pigment to be pure. The anthocyanin has good oxidation resistance, so that the color retention time of the obtained pigment is long, and in order to further improve the color retention time, the epoxy resin and the sodium chloride are added, the texture is compact, firm and stable, and the pigment has certain viscosity, so that the painting drawn by using the pigment can be stored for a long time and is not easy to change color, the growth of mold can be effectively inhibited, the pigment is mildew-proof and antibacterial, and has the functions of color fixation and freshness preservation, so that the obtained pigment is not faded for a long time and has long storage time.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention.
Claims (5)
1. The preparation method of the blue pigment is characterized by comprising the following steps:
s1: boiling the clitoria terniflora in boiling water for 30-60 min, and filtering to remove the clitoria terniflora to obtain a clitoria terniflora solution;
s2: adding a swelling agent and epoxy resin into the sphenoidea solution;
s3: adding edible alkali into the butterflybush flower solution, and adjusting the pH value to be more than 11;
s4: adding starch into the sphenoidea solution while stirring to uniformly mix the solution with the sphenoidea solution, and stopping adding the starch when the solution becomes thick paste to obtain a blue pigment;
s5: and (4) sealing and storing the blue pigment in dark.
2. The method for producing a blue pigment according to claim 1, wherein: the filtering adopts molecular sieve filtering, the filtering comprises primary filtering and secondary filtering, the first filtering removes the sphenoidea flower, the secondary filtering removes the residual part of the sphenoidea flower remained in the solution, so that no other impurities exist in the obtained sphenoidea flower solution.
3. The method for producing a blue pigment according to claim 1, wherein: coptis chinensis is also added into the blue pigment.
4. A method for producing a blue pigment according to claim 3, characterized in that: sodium chloride is also added into the blue pigment.
5. The method for producing a blue pigment according to claim 4, wherein: the weight ratio of the butterflybush flower to the swelling agent to the epoxy resin to the coptis chinensis to the sodium chloride is 1:1:1:0.5: 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110005831.8A CN112795274A (en) | 2021-01-05 | 2021-01-05 | Preparation method of blue pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110005831.8A CN112795274A (en) | 2021-01-05 | 2021-01-05 | Preparation method of blue pigment |
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| Publication Number | Publication Date |
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| CN112795274A true CN112795274A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110005831.8A Pending CN112795274A (en) | 2021-01-05 | 2021-01-05 | Preparation method of blue pigment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350267A (en) * | 2021-06-15 | 2021-09-07 | 河南上恒医药科技有限公司 | Loxoprofen sodium gel and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532328A (en) * | 2011-12-14 | 2012-07-04 | 金东纸业（江苏）股份有限公司 | Starch pigment and preparation method thereof as well as coating and coated paper using the starch pigment |
| CN108864820A (en) * | 2018-06-27 | 2018-11-23 | 广州市美帮祈富文仪有限公司 | A kind of painting appliance has the anti-of dispersibility to eat color ink juice and its manufacturing method by mistake |
| CN109320994A (en) * | 2018-11-19 | 2019-02-12 | 北京工业大学 | A kind of production method of natural plants pigment |
| CN110117423A (en) * | 2018-02-07 | 2019-08-13 | 匠人之心（北京）产品设计有限公司 | A kind of formula and extraction process of composite natral purple pigment |
-
2021
- 2021-01-05 CN CN202110005831.8A patent/CN112795274A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532328A (en) * | 2011-12-14 | 2012-07-04 | 金东纸业（江苏）股份有限公司 | Starch pigment and preparation method thereof as well as coating and coated paper using the starch pigment |
| CN110117423A (en) * | 2018-02-07 | 2019-08-13 | 匠人之心（北京）产品设计有限公司 | A kind of formula and extraction process of composite natral purple pigment |
| CN108864820A (en) * | 2018-06-27 | 2018-11-23 | 广州市美帮祈富文仪有限公司 | A kind of painting appliance has the anti-of dispersibility to eat color ink juice and its manufacturing method by mistake |
| CN109320994A (en) * | 2018-11-19 | 2019-02-12 | 北京工业大学 | A kind of production method of natural plants pigment |
Non-Patent Citations (3)
| Title |
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| （英）雷•史密斯著: "《艺术家手册》", 30 June 2017, 北京美术摄影出版社 * |
| 董红兵: "《烹饪化学》", 30 November 2018, 汕头大学出版社 * |
| 陈卫等: "《微波食品》", 31 May 1999, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350267A (en) * | 2021-06-15 | 2021-09-07 | 河南上恒医药科技有限公司 | Loxoprofen sodium gel and preparation method thereof |
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Application publication date: 20210514 |