CN114410142A - Color-changing oil painting pigment and preparation method thereof - Google Patents
Color-changing oil painting pigment and preparation method thereof Download PDFInfo
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- CN114410142A CN114410142A CN202210112941.9A CN202210112941A CN114410142A CN 114410142 A CN114410142 A CN 114410142A CN 202210112941 A CN202210112941 A CN 202210112941A CN 114410142 A CN114410142 A CN 114410142A
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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
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Abstract
The invention relates to the field of pigments, in particular to a color-changing oil painting pigment. The color-changing oil painting pigment comprises the following components in percentage by mass: 12-18% of a thermosensitive color-changing pigment; 18-22% of a color developing agent; 8-12% of a sensitizer; 4-6% of a filler; 7.5-8.8% of an adhesive; 9-11% of a stabilizer; 4-6% of lubricating oil; 4-6% of color-adjusting oil; 8-12% of toner; 6-8% of linseed oil; 4-6% of glycerol. The color-changing oil painting pigment overcomes the problem of single color of the oil painting pigment, and can change the color of the oil painting pigment at 35-40 ℃ to change the color into the color of a diagonal line on a hue circle.
Description
Technical Field
The invention relates to the field of pigments, in particular to a color-changing oil painting pigment and a preparation method thereof.
Background
The existing pigment is a pigment with single inherent color, and is only one color for painting and coloring. Although the existing oil painting pigments have a plurality of types, the oil painting pigments lack innovation and are single in use and limited.
Moreover, the existing oil painting pigment has long drying time, which greatly influences the yield of the product.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The primary purpose of the invention is to provide a color-changing oil painting pigment, and the color-changing effect is that the color of the oil painting pigment is changed into the color at the diagonal position on a hue circle.
The second invention aims to provide a preparation method of the color-changing oil painting pigment.
In order to achieve the purpose of the invention, the technical scheme is as follows:
the invention provides a color-changing oil painting pigment which comprises the following components in percentage by mass:
preferably:
optionally, the thermochromic pigment is selected from an iodine compound or a urotropine compound; the iodine compound is selected from HgI2、Ag2HgI4、AgHgI4、Cu2HgI4、AgHgI4、Cu2HgI4(ii) a Said urotropine compound is selected from CoCl2·C6H12N4·10H2O、CoBr2·2C6H12N4·10H2O、CoI2·2C6H12N4·10H2O、CoSO4·C6H12N4·9H2O、NiBr2·2C6H12N4·10H2O、NiCl2·2C6H12N4·10H2O、Ni(NO3)2·2C6H12N4·10H2O。
Optionally, the color-developing agent is selected from bisphenol A, p-hydroxybenzoate, p-phenylphenol, methylene bis-naphthol salicylate, and 2, 4-dihydroxybenzoic acid.
Optionally, the filler is selected from calcium carbonate; the color-changing oil painting pigment contains filler.
Optionally, the calcium carbonate has an average particle size of 50 to 100 μm, preferably 75 μm.
Optionally, the sensitizer is selected from benzene sulfonic acid amides.
Optionally, the adhesive is selected from polyvinyl acetate.
Optionally, the stabilizer is selected from dibutyltin p-dilaurate; preferably, the lubricating oil is selected from medical liquid paraffin.
The invention provides a preparation method of the color-changing oil painting pigment, which at least comprises the following steps:
s1, stirring and mixing the thermochromic pigment, the color developing agent, the sensitizer and the filler with the first part of linseed oil to obtain slurry 1;
s2, mixing the toner with the color-mixing oil and glycerol to obtain slurry 2;
s3, mixing the slurry 1 and the slurry 2, adding an adhesive, and stirring;
and S4, finally adding a stabilizer, lubricating oil and a second part of linseed oil, and uniformly stirring to obtain the color-changing oil painting pigment.
Optionally, in S1, the first part of linseed oil accounts for 20 to 25% of the total volume; in S4, the second part of linseed oil accounts for 75-80% of the total volume.
The invention has at least the following beneficial effects:
the color-changing oil painting pigment overcomes the problem of single color of the oil painting pigment, and can change the color of the oil painting pigment at 35-40 ℃ to change the color into the color of a diagonal line on a hue circle.
The color-changing oil painting pigment can change color within about 30 minutes when the lamp distance of a radiation lamp is 40-50 cm. After the lamp is turned off, the temperature is reduced, and the color can return to the previous state, so that the color can be changed circularly.
Drawings
FIG. 1 is a schematic view of a color wheel.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms also include the plural forms unless the context clearly dictates otherwise, and further, it is understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
The embodiment of the invention provides a color-changing oil painting pigment which comprises the following components in parts by weight:
the color-changing oil painting pigment overcomes the problem of single color of the oil painting pigment, and can change the color of the oil painting pigment at 35-40 ℃ to change the color into the color of a diagonal line on a hue circle. Color circle refers to a circular arrangement of color spectra (spectra) in which colors are arranged in the order in which the spectra appear in nature. The warm color is contained within the semicircle containing the colors red and yellow, and the cool color is contained within the semicircle containing the colors green and purple. Complementary colors (complementary colors) appear at positions opposite to each other. The hue circle of the embodiment of the invention is preferably a red-yellow-blue (RYB) hue circle. As shown in fig. 1.
In the embodiment of the application, after the thermo-sensitive color-changing pigment and other substances are added into the oil painting pigment, the composition of the pigment is systematically researched to ensure the hue, lightness and purity of the oil painting pigment, so that the obtained oil painting pigment with good color-changing effect still has similar hue, lightness and purity, and the corresponding color-changing oil painting pigment can be prepared according to different colors of toner. Specifically, the color brightness and the purity are ensured by adjusting the proportion of the auxiliary materials such as the color-adjusting oil, the sensitizer and the glycerol. If the proportion of the embodiment of the application is not adopted, the brightness and the purity of the pigment are inaccurate, and the pigment is difficult to prepare into a multi-color (such as 12-color and 24-color set) pigment which can be commercialized.
As an improvement of the embodiment of the invention, the color-changing oil painting pigment comprises the following components in parts by weight:
as an improvement of the embodiment of the present invention, the thermochromic pigment is selected from an iodine compound or a urotropine compound; the iodine compound is selected from HgI2、Ag2HgI4、AgHgI4、Cu2HgI4、AgHgI4、Cu2HgI4(ii) a The urotropin compound is selected from CoCl2·C6H12N4·10H2O、CoBr2·2C6H12N4·10H2O、CoI2·2C6H12N4·10H2O、CoSO4·C6H12N4·9H2O、NiBr2·2C6H12N4·10H2O、NiCl2·2C6H12N4·10H2O、Ni(NO3)2·2C6H12N4·10H2And O. If the addition amount of the thermosensitive color-changing pigment is too small, the color-changing effect is not obvious; whereas if the amount of the thermochromic pigment added is too large, the color of the pigment changes in advance, and the pigmentToo dry, which can lead to the work drying out after use.
As an improvement of the embodiment of the invention, the color developing agent is selected from bisphenol A, p-hydroxybenzoate, p-phenylphenol, methylene-bis-naphthol salicylate and 2, 4-dihydroxybenzoic acid. If the addition amount of the color developing agent is too small, the color changing effect is not obvious, and the color changing color is too light; if the amount of the developer added is too large, the color change is unstable, the desired color cannot be achieved, and the color becomes too heavy. The mass ratio of the iodine compound thermosensitive color-changing pigment to the color developing agent is 3: 4-5, preferably 3: the color change effect is optimal when the time is 4 hours. The developer is further preferably p-phenylphenol.
As a refinement of an embodiment of the invention, the filler is selected from calcium carbonate. The calcium carbonate has an average particle diameter of 40 to 50 μm, preferably 45 μm. If the addition amount of the calcium carbonate is too small, the color of the pigment is too light; if the amount is too large, the color of the pigment is too heavy.
As a refinement of an embodiment of the invention, the sensitizer is selected from benzene sulfonic acid amides. The sensitizer is used for improving the opacity of paper and improving the contrast between an image and a ground color. If the addition amount of the sensitizer is too small, the thermal reaction is not obvious, and the color change effect is slow; if the amount is too large, discoloration may occur prematurely.
As an improvement of the embodiment of the invention, the adhesive is selected from polyvinyl acetate, and the adhesive has the functions of bonding the components together to promote the compactness of the pigment paste and simultaneously can react with the stabilizer to enhance the stability of the pigment. If the addition amount of the adhesive is too small, the heat resistance is low, premature discoloration can be caused, and the aging resistance is weak; if the amount is too large, the pigment becomes too hard, and the use is impaired.
As a refinement of an embodiment of the present invention, the stabilizer is selected from the group consisting of dibutyltin dilaurate; the stabilizer has the function of enhancing the stability after reacting with the adhesive, so that the reaction of the pigment under photo-thermal condition is controllable. If the addition amount of the stabilizer is too small, the stability is poor and the color change effect is poor; if the amount is too large, the color does not change effectively.
In addition to the color change effect, the drying time of the pigment is also researched, and the drying time of the pigment can be greatly shortened after full reaction in the preparation process by adding the sensitizer benzenesulfonic acid amide and the adhesive polyvinyl acetate according to the proportion of the embodiment of the invention.
As an improvement of the embodiment of the present invention, the color-blended oil is selected from turpentine oil or other commercially available color-blended oil, wherein the best effect is in Beebuian (France), and turpentine oil is selected for cost saving. The embodiment of the invention is added with lubricating oil, color-adjusting oil, glycerol and linseed oil at the same time, and the total weight of the addition is 18-26%, preferably 20-23%, and most preferably 21.7%. According to the embodiment of the invention, multiple oils are compounded, so that the color can be kept bright, the moisture-keeping and moistening effects are achieved, and the color can not change color for a long time and the pigment can not deteriorate. Preferably, the weight ratio of the lubricating oil, the color-adjusting oil and the glycerol is 1: 1: 1.
in research and development, the inventors surprisingly found that by adding a color developing agent in a proper proportion and matching lubricating oil and a color-adjusting oil in a proper proportion, the light resistance of the pigment is improved, and the work storage time is longer.
The embodiment of the invention also relates to a preparation method of the color-changing oil painting pigment, which at least comprises the following steps:
s1, stirring and mixing the thermochromic pigment, the color developing agent, the sensitizer and the filler with the first part of linseed oil to obtain slurry 1;
s2, adding the toner, the color-mixing oil and the glycerol at the same time, and mixing to obtain slurry 2; the color regulating oil and the glycerol are added simultaneously, so that premature reaction and color change can be prevented, and the expressive force is improved;
s3, mixing the slurry 1 and the slurry 2, adding the adhesive and stirring;
and S4, finally adding a stabilizer, lubricating oil and a second part of linseed oil, and uniformly stirring to obtain the color-changing oil painting pigment.
Wherein in S1, the first part of linseed oil accounts for 20-25% of the total volume; in S4, the second part of linseed oil accounts for 75-80% of the total volume.
The starting materials used in the following examples are all commercially available starting materials.
Example 1
The color-changing oil painting pigment comprises the following components in percentage by mass:
the preparation method comprises the following steps:
s1, stirring and mixing the thermochromic pigment, the color developing agent, the sensitizer and the filler with linseed oil accounting for 25% of the total volume to obtain slurry 1;
s2, mixing the toner with the color-mixing oil and glycerol to obtain slurry 2;
s3, mixing the slurry 1 and the slurry 2, adding an adhesive, and stirring; the color-regulating oil and the glycerol can prevent premature reaction and color change;
and S4, finally adding a stabilizer, lubricating oil and linseed oil accounting for 75% of the total volume, and uniformly stirring to obtain the color-changing oil painting pigment.
Example 2
The color-changing oil painting pigment comprises the following components in percentage by mass:
the preparation method is the same as example 1.
Example 3
The color-changing oil painting pigment comprises the following components in percentage by mass:
the preparation method is the same as example 1.
Experimental example 1
The mass percent components of the examples and comparative examples prepared according to the above method are shown in table 1, and the comparative example was prepared according to the same method as example 1.
TABLE 1
The results of the experiment are shown in table 2:
TABLE 2
The commercially available oil painting pigment with the same color is a Chinese Marie brand.
As can be seen from the comparative examples, as shown in comparative examples 1 and 2, the thermochromic pigment has too small addition amount, slow color change effect, too long color change time, and unstable and complete color change effect, and cannot meet the use requirement.
As shown in comparative example 3, if the amount of the thermochromic pigment added is too large, the color change effect is unstable, the color is changed early, and the amount of the toner added is too small, resulting in insufficient color purity.
As shown in comparative example 5, if the addition of oil is insufficient, although the drying time becomes short, the pigment is cracked by drying, which affects the use effect.
The larger the value of lightness, the lighter the color, and the smaller the value, the darker the color. When the lightness is slightly lower than that of the commercially available raw material, the brightness is better. But if the brightness data difference is too large, the color is not positive. As shown in comparative examples 6 to 9, the pigment not only has a longer drying time but also has a poor color, which affects normal use.
Experimental example 2
Prepared according to example 1, except that the color tone oil was selected from the brands shown in table 3, and the effect differences are shown in table 3:
TABLE 3
| Bei Bi Ou (France) | The best effect |
| Mali (China) | Too thin and not enough oily |
| Wensha Newton (England) | Insufficient oil film persistence |
| Zhongsheng (China) | Insufficient brightness preservation |
Although the present application has been described with reference to preferred embodiments, it is not intended to limit the scope of the claims, and many possible variations and modifications may be made by one skilled in the art without departing from the spirit of the application.
Claims (10)
1. The color-changing oil painting pigment is characterized by comprising the following components in percentage by mass:
preferably:
2. color-changing oil painting pigment according to claim 1,
the thermosensitive color-changing pigment is selected from an iodine compound or a urotropine compound;
the iodine compound is selected from HgI2、Ag2HgI4、AgHgI4、Cu2HgI4、AgHgI4、Cu2HgI4(ii) a Said urotropine compound is selected from CoCl2·C6H12N4·10H2O、CoBr2·2C6H12N4·10H2O、CoI2·2C6H12N4·10H2O、CoSO4·C6H12N4·9H2O、NiBr2·2C6H12N4·10H2O、NiCl2·2C6H12N4·10H2O、Ni(NO3)2·2C6H12N4·10H2O。
3. A colour-changing oil paint according to claim 1 characterised in that the colour developer is selected from bisphenol a, parabens, p-phenylphenol, methylene bisnaphthol salicylate, 2, 4-dihydroxybenzoic acid.
4. A colour-changing oil painting pigment according to claim 1, characterised in that the filler is selected from calcium carbonate.
5. The color-changing oil painting pigment according to claim 4, wherein the calcium carbonate has an average particle size of 50 to 100 μm, preferably 75 μm.
6. A colour-changing oil painting pigment according to claim 1, characterised in that the sensitiser is selected from benzene sulphonic acid amides.
7. A colour-changing oil painting pigment according to claim 1, characterised in that the binder is selected from polyvinyl acetate.
8. The color-changing oil painting pigment according to claim 1, wherein the stabilizer is selected from the group consisting of dibutyltin dilaurate;
more preferably, the lubricating oil is selected from medical liquid paraffin.
9. A method of preparing a colour-changing oil painting pigment according to any one of claims 1 to 8, characterised in that it comprises at least the following steps:
s1, stirring and mixing the thermochromic pigment, the color developing agent, the sensitizer and the filler with the first part of linseed oil to obtain slurry 1;
s2, mixing the toner with the color-mixing oil and glycerol to obtain slurry 2;
s3, mixing the slurry 1 and the slurry 2, adding an adhesive, and stirring;
and S4, finally adding a stabilizer, lubricating oil and a second part of linseed oil, and uniformly stirring to obtain the color-changing oil painting pigment.
10. The method of claim 9, wherein in S1, the first fraction of linseed oil is 20-25% of the total volume;
in S4, the second part of linseed oil accounts for 75-80% of the total volume.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618105A (en) * | 2012-02-23 | 2012-08-01 | 贝碧欧美术颜料(昆山)有限公司 | Oil paint with color change interference effect |
| CN108410360A (en) * | 2018-04-18 | 2018-08-17 | 河北青竹画材科技有限公司 | A kind of solid oil colour and preparation method thereof |
| CN109575664A (en) * | 2018-12-21 | 2019-04-05 | 上海晨光文具股份有限公司 | Discoloration artistic oil painting stick steady in a long-term and preparation method thereof |
| CN113931009A (en) * | 2021-10-18 | 2022-01-14 | 安徽睿智弘科技有限公司 | Environment-friendly thermal sensitive paper with clear color development and preparation method thereof |
-
2022
- 2022-01-29 CN CN202210112941.9A patent/CN114410142A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618105A (en) * | 2012-02-23 | 2012-08-01 | 贝碧欧美术颜料(昆山)有限公司 | Oil paint with color change interference effect |
| CN108410360A (en) * | 2018-04-18 | 2018-08-17 | 河北青竹画材科技有限公司 | A kind of solid oil colour and preparation method thereof |
| CN109575664A (en) * | 2018-12-21 | 2019-04-05 | 上海晨光文具股份有限公司 | Discoloration artistic oil painting stick steady in a long-term and preparation method thereof |
| CN113931009A (en) * | 2021-10-18 | 2022-01-14 | 安徽睿智弘科技有限公司 | Environment-friendly thermal sensitive paper with clear color development and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《化工百科全书》编辑委员会: "《化工百科全书 第16卷 天然药物-无机过氧化物和过氧化合物》", 31 December 1997 * |
| 吉玛•嘉丝奇等: "《15堂创意绘画课 形体的探索与表现》", 31 January 2017 * |
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