CN114381170B - Soft oil painting stick and preparation method thereof - Google Patents
Soft oil painting stick and preparation method thereof Download PDFInfo
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- CN114381170B CN114381170B CN202111625576.3A CN202111625576A CN114381170B CN 114381170 B CN114381170 B CN 114381170B CN 202111625576 A CN202111625576 A CN 202111625576A CN 114381170 B CN114381170 B CN 114381170B
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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
- C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
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Abstract
The invention relates to a soft oil painting stick and a preparation method thereof. The soft oil painting stick comprises, by weight, 15-40 parts of composite wax, 10-30 parts of vegetable oil, 40-60 parts of filler and 3-15 parts of pigment. Wherein the composite wax comprises 5-25 parts of soft wax, 1-15 parts of hard wax and 3-20 parts of emulsifying agent. The soft oil painting stick painting of the invention has the characteristics of gorgeous color and smooth hand feeling, has strong painting tinting strength, good spreadability and excellent color overlapping performance on paper, has more fine color and stronger adhesive force compared with the common oil painting stick, obtains thicker coating during painting, and enhances the stereoscopic impression and texture of painting. Meanwhile, the formula of the paint does not contain organic solvents, is low in VOC, environment-friendly, safe and nontoxic, and has high safety.
Description
Technical Field
The invention relates to a soft oil painting stick and a preparation method thereof, the formula does not contain organic solvent, has low VOC, is environment-friendly, safe and nontoxic, and materials in the production process can be recycled and remelted for use, and has high recycling value and obvious economic effect. The painting has the characteristics of bright color and smooth hand feeling, and the painting on the paper has strong coloring power, good spreadability and excellent color overlapping performance.
Background
The oil painting stick is an oily color painting pigment, has the characteristics of fine and smooth hand feeling, good spreadability, color overlapping, excellent color mixing performance, bright color and the like, has a certain thickness, has stronger adhesive force and covering power on paper, has texture, can fully display oil painting effect, and meets the requirements of various painting technologies. However, the conventional oil painting stick generally adopts an oily system composed of wax, mineral oil, filler and pigment, and although the texture is slightly softer than that of crayon, the hand feeling of the painting is still hard, so that the thickness of the coating cannot be obviously increased due to repeated coating, and the thickness of the painting is difficult to be increased in the process of painting by using the oil painting stick, so that the stereoscopic impression of the oil painting cannot be fully represented.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art, and provides a soft oil painting stick and a manufacturing method thereof.
According to the invention, soft wax with softer texture and hard wax with harder texture are selected for combination, vegetable oil is added to enhance adhesive force, meanwhile, the smoothness of painting is ensured by adding an emulsifying agent, and the addition amount of filler is adjusted to develop a soft oil painting stick with a brand new formula system.
The invention also ensures the overall color uniformity of the soft oil painting stick through a special manufacturing process of an intermediate product, the wax and the emulsifying agent are heated, mixed and dispersed to form a novel compound wax, and then the pigment and the compound wax are mixed, dispersed and ground, so that more uniform pigment distribution in the finished oil painting stick can be obtained, and the painting feel is finer and more gorgeous in color.
The invention provides a soft oil painting stick, which comprises composite wax, vegetable oil, filler and environment-friendly pigment.
Further, the flexible oil painting stick comprises, by weight: 15-40 parts, preferably 25-35 parts, of composite wax; 10-30 parts of vegetable oil and fat, preferably 15-25 parts; 40-60 parts of filler, preferably 40-55 parts; 3-15 parts of environment-friendly pigment, preferably 5-10 parts.
Further, the composite wax includes a soft wax, a hard wax, and an emulsifier.
Further, the composite wax comprises, in parts by weight: 5-25 parts, preferably 10-20 parts, of soft wax; 1-15 parts, preferably 5-10 parts, of hard wax; 3-20 parts, preferably 5-15 parts, of emulsifier.
Further, the vegetable oil is one or more selected from olive oil, coconut oil, castor oil, cotton seed oil, soybean oil, sesame oil, almond oil, peanut oil, corn oil, rice bran oil, linseed oil, tea seed oil, sea buckthorn oil, avocado oil, chestnut oil, european nut oil, walnut oil, cocoa butter, etc., preferably coconut oil, castor oil, cotton seed oil, soybean oil, linseed oil, tea seed oil, more preferably coconut oil, castor oil, linseed oil, tea seed oil.
Further, the filler is one or more selected from calcium carbonate, kaolin, talc, white carbon, aluminum silicate, aluminum hydroxide, calcium hydroxide, barium sulfate, etc., preferably calcium carbonate, kaolin, talc, white carbon, barium sulfate, more preferably calcium carbonate, kaolin, white carbon.
Further, the soft wax is one or more selected from paraffin wax, beeswax, microcrystalline wax, insect white wax, japan wax, wool wax, flax wax, etc., preferably paraffin wax, beeswax, microcrystalline wax, insect white wax, japan wax, more preferably paraffin wax, beeswax, microcrystalline wax.
Further, the hard wax is one or more selected from montan wax, wood wax, carnauba wax, candelilla wax, fischer-tropsch wax, polyethylene wax, polypropylene wax, ethylene-vinyl acetate copolymer wax, oxidized polyethylene wax, etc., preferably wood wax, carnauba wax, candelilla wax, fischer-tropsch wax, polyethylene wax, more preferably carnauba wax, polyethylene wax, fischer-tropsch wax.
Further, the emulsifier is one or more selected from glycerin monostearate, glycerin distearate, glycerin fatty acid ester, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate, and the like, and preferably glycerin monostearate, glycerin distearate, glycerin fatty acid ester, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, glycerin fatty acid ester, polyoxyethylene sorbitan trioleate, and more preferably glycerin monostearate, glycerin distearate, sorbitan monooleate, and polyoxyethylene sorbitan trioleate.
Further, the environmental-friendly pigment comprises environmental-friendly pigment with at least one color and harmful substance content meeting European Union EN71-3 standard.
On the other hand, the invention provides a preparation method of the soft oil painting stick, which comprises the following steps:
step (a): weighing 15-40 parts by weight of composite wax, melting, slowly adding 3-15 parts by weight of environment-friendly pigment under the condition of heating and stirring, and fully stirring to obtain a uniform mixture a;
step (b): grinding the uniform mixture a obtained in the step (a) into fine granular solid matters to obtain a grinding intermediate product b;
step (c): heating the grinding intermediate product b obtained in the step (b) until the grinding intermediate product b is completely melted, slowly and uniformly adding 10-30 parts by weight of vegetable oil and 40-60 parts by weight of filler under stirring, and continuously stirring until the grinding intermediate product b is in a uniform liquid state without visible agglomerates to obtain a uniform mixture c;
step (d): and (3) performing molding processing on the uniform mixture c obtained in the step (c) to obtain the soft oil painting stick.
Further, the composite wax in the step (a) is prepared by mixing, heating and melting 5-25 parts by weight of soft wax, 1-15 parts by weight of hard wax and 3-20 parts by weight of emulsifying agent, and stirring and dispersing until the mixture is completely and uniformly mixed.
Further, the melting temperature of the composite wax is 80-110 ℃, preferably 90-100 ℃; the melting time is 60-120min, preferably 70-100min.
Further, the heating temperature in the step (a) is 70-100 ℃, preferably 80-90 ℃, and the stirring time is 30-60 minutes, preferably 40-50 minutes;
the heating temperature of the fine particulate grinding intermediate b in the above step (c) is 70 to 90 ℃, preferably 80 to 85 ℃, and the stirring time is 30 to 60min, preferably 40 to 50min;
the shaping process of step (d) above comprises a cooling step at a cooling temperature of 5-25 ℃, preferably 10-15 ℃.
Further, the particle fineness of the grinding intermediate b in the above step (b) is 3 to 70 μm, preferably 5 to 50 μm.
The soft oil painting stick obtained by the invention has the following advantages:
1. compared with the existing market racing products, the soft oil painting stick has the characteristics of bright color and smooth hand feeling, the painting on paper has strong coloring power, good spreadability and excellent color overlapping performance, is finer and finer than the common oil painting stick in color, has stronger adhesive force, obtains thicker coating during painting, and enhances the stereoscopic impression and the texture of painting.
2. The content of various harmful substances in the environment-friendly pigment used by the soft oil painting stick accords with European Union EN71 standard, and the content of substances such as heavy metals which harm human health is far lower than international limit standard.
3. The soft oil painting stick formula of the invention does not contain organic solvent, has low VOC, is environment-friendly, safe and nontoxic, and the materials in the production process can be recycled and remelted for use, thus having high recycling value and obvious economic effect.
Detailed Description
The technical scheme of the invention is further described below according to specific embodiments. The scope of the invention is not limited to the following examples, which are given for illustrative purposes only and do not limit the invention in any way.
The soft oil painting stick comprises, by weight, 15-40 parts of composite wax, 10-30 parts of vegetable oil, 40-60 parts of filler and 3-15 parts of pigment. Wherein the composite wax comprises 5-25 parts of soft wax, 1-15 parts of hard wax and 3-20 parts of emulsifying agent.
Wherein the composite wax comprises: 5-25 parts, preferably 10-20 parts, of soft wax; 1-15 parts, preferably 5-10 parts, of hard wax; 3-20 parts, preferably 5-15 parts, of emulsifier.
The soft wax plays a role in enhancing the softness of the oil painting stick in the system, and is selected from one or more of paraffin wax, beeswax, microcrystalline wax, insect white wax, japanese wax, wool wax, flax wax, etc., preferably paraffin wax, beeswax, microcrystalline wax, insect white wax, more preferably paraffin wax, beeswax, microcrystalline wax, etc.
The hard wax plays a role in ensuring the hardness of the oil painting stick and being not easy to break in the painting process in the system, and is selected from one or more of montan wax, wood wax, carnauba wax, candelilla wax, fischer-Tropsch wax, polyethylene wax, polypropylene wax, ethylene-vinyl acetate copolymer wax, oxidized polyethylene wax and the like, preferably carnauba wax, candelilla wax, fischer-Tropsch wax and polyethylene wax, more preferably carnauba wax, candelilla wax and Fischer-Tropsch wax.
The emulsifier plays a role in the fusion system uniformity and painting lubricity enhancement, and is selected from one or more of glyceryl monostearate, glyceryl distearate, fatty acid glyceride, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate and the like, preferably glyceryl monostearate, glyceryl distearate, fatty acid glyceride, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, more preferably glyceryl monostearate, glyceryl distearate and fatty acid glyceride.
Heating, mixing and dispersing soft wax, hard wax and emulsifying agent to form a novel compound wax, and then mixing, dispersing and grinding pigment and compound wax to obtain more uniform pigment distribution in the finished oil painting stick, so that the painting feel is finer and more gorgeous; in one embodiment, 12 parts by weight of paraffin wax, 3 parts by weight of Fischer-Tropsch wax, 5 parts by weight of polyethylene wax and 10 parts by weight of glyceryl monostearate are melted and dispersed to form a novel compound wax, and then 5 parts by weight of pigment orange 16 and the compound wax are mixed, ground and dispersed, so that pigment dispersibility can be obviously improved, and more gorgeous colors can be obtained.
The vegetable oil and fat has effect in enhancing adhesion in the system, and is selected from one or more of oleum Olivarum, oleum Cocois, oleum ricini, oleum gossypii semen, soybean oil, oleum Sesami, oleum Armeniacae amarum, peanut oil, oleum Maydis, rice bran oil, oleum Lini, tea seed oil, oleum Hippophae, avocado oil, semen Castaneae oil, european nut oil, oleum Juglandis, and oleum cocoa, preferably oleum Cocois, oleum ricini, oleum gossypii semen, soybean oil, oleum Lini, and tea seed oil, more preferably oleum Cocois, oleum ricini, oleum Lini, and tea seed oil. In one embodiment, the use of castor oil in place of white oil used in conventional oil painting sticks can significantly increase the adhesion of the finished oil painting stick to the media.
The filler plays a role of a supporting structure framework in the system, and is selected from one or more of calcium carbonate, kaolin, talcum powder, white carbon black, aluminum silicate, aluminum hydroxide, calcium hydroxide, barium sulfate and the like, preferably calcium carbonate, kaolin, talcum powder and white carbon black, more preferably calcium carbonate, kaolin and talcum powder.
The soft oil painting stick formula of the invention does not contain organic solvent, has low VOC, is environment-friendly, safe and nontoxic, and the materials in the production process can be recycled and remelted for use, thus having high recycling value and obvious economic effect. The painting has the characteristics of bright color and smooth hand feeling, and the painting on the paper has strong coloring power, good spreadability and excellent color overlapping performance.
The soft oil painting stick can be prepared by the following method:
step (a): weighing 15-40 parts by weight of composite wax, melting, slowly adding 3-15 parts by weight of environment-friendly pigment under the condition of heating and stirring, and fully stirring to obtain a uniform mixture a;
step (b): grinding the uniform mixture a obtained in the step (a) into fine granular solid matters to obtain a grinding intermediate product b;
step (c): heating the grinding intermediate product b obtained in the step (b) until the grinding intermediate product b is completely melted, slowly and uniformly adding 10-30 parts by weight of vegetable oil and 40-60 parts by weight of filler under stirring, and continuously stirring until the grinding intermediate product b is in a uniform liquid state without visible agglomerates to obtain a uniform mixture c;
step (d): and (3) performing molding processing on the uniform mixture c obtained in the step (c) to obtain the soft oil painting stick.
The present invention will be described in further detail by examples.
Examples
Example 1:
mixing 12 parts by weight of paraffin (CAS No.64742-51-4, nanjing Tianshi New Material Co., ltd.), 3 parts by weight of Fischer-Tropsch wax (Shandong Denno New Material Co., ltd., CAS No. 768-08-1), 5 parts by weight of polyethylene wax (Nanjing Tianshi New Material Co., ltd., CAS No. 9002-88-4), 10 parts by weight of glyceryl monostearate (Shen county New Star oil Co., CAS No. 123-94-4), and stirring for 80min to obtain composite wax;
slowly adding 5 parts by weight of environment-friendly pigment orange 16 (CAS No.6505-28-8, shanghai Kayinji chemical Co., ltd.) into the composite wax obtained in the above step under the condition of heating and stirring, and fully stirring at 80 ℃ for 40min to obtain a uniform mixture;
grinding the uniform mixture obtained in the previous step into fine granular solid matters with the size of 20-40 mu m by a three-roller grinder;
the fine granular solid obtained in the above step was heated to 85℃until it was completely melted, and 20 parts by weight of castor oil (CAS No.8001-78-3, inc. of Zhenghua chemical Co., ltd.), 20 parts by weight of calcium carbonate (1250 mesh, shanghai river chemical Co., ltd., CAS No. 471-34-1), 30 parts by weight of kaolin (1250 mesh, shanghai river chemical Co., ltd., CAS No. 1332-58-7) were slowly and uniformly added with stirring, and stirring was continued for 50 minutes until no visible agglomerates were formed in a uniform liquid slurry mixture;
and (3) obtaining the soft oil painting stick from the obtained uniform mixture through a molding process, wherein the cooling temperature is 15 ℃ during molding.
Example 2:
mixing 12 parts by weight of beeswax (Hebei Xueshi beeswax limited company, CAS No. 8006-40-4), 4 parts by weight of polyethylene wax (Nanjing Tianshi new material science and technology limited company, CAS No. 9002-88-4), 2 parts by weight of microcrystalline wax (Hebei Xueshi beeswax limited company, CAS No. 67742-51-2) and 5 parts by weight of glyceryl distearate (Shen county new star grease limited company, CAS No. 1323-83-7), melting at 80 ℃, stirring for 80min, and uniformly mixing to obtain compound wax;
slowly adding 8 parts by weight of environment-friendly pigment violet 19 (yellow phase) (CAS No.1047-16-1, shanghai Kaijin chemical engineering Co., ltd.) into the composite wax obtained in the steps under the condition of heating and stirring, and fully stirring for 45min at 85 ℃ to obtain a uniform mixture;
grinding the uniform mixture obtained in the previous step into fine granular solid matters with the size of 20-40 mu m by a three-roller grinder;
heating the fine granular solid obtained in the above step to 80 ℃ to completely melt it, slowly and uniformly adding 21 parts by weight of coconut oil (Jinan Yeqing biotechnology Co., ltd., CAS No. 8001-31-8), 30 parts by weight of calcium carbonate (1250 mesh, shanghai's river chemical Co., ltd., CAS No. 471-34-1), 18 parts by weight of kaolin (1250 mesh, shanghai's river chemical Co., ltd., CAS No. 1332-58-7) with stirring, and continuously stirring for 50 minutes until there is no uniform liquid slurry mixture of visible agglomerates;
and (3) obtaining the soft oil painting stick from the obtained uniform mixture through a molding process, wherein the cooling temperature is 17 ℃ during molding.
Example 3:
15 parts by weight of microcrystalline wax (Hebei Xueshi beeswax limited company, CAS No. 67742-51-2), 2 parts by weight of beeswax (Hebei Xueshi beeswax limited company, CAS No. 8006-40-4), 5 parts by weight of polyethylene wax (Nanjing Tianshi new material science and technology limited company, CAS No. 9002-88-4) and 8 parts by weight of sorbitan monooleate (Zibohaijie chemical industry limited company, CAS No. 9005-65-6) are mixed, melted and dispersed, the melting temperature is 100 ℃, and the mixture is fully stirred for 80 minutes to obtain composite wax;
slowly adding 3 parts by weight of environment-friendly pigment carbon black (CAS No.1333-86-4 of Shanghai Kayinji chemical Co., ltd.) into the composite wax obtained in the above steps under the condition of heating and stirring, and fully stirring at 85 ℃ for 45min to obtain a uniform mixture;
grinding the uniform mixture obtained in the previous step into fine granular solid matters with the size of 20-40 mu m by a three-roller grinder;
heating the fine granular solid obtained in the above step to 83 ℃ to completely melt it, slowly and uniformly adding 22 parts by weight of linseed oil (CAS No.8001-26-1, shangxi Xin Jinzhen Biotechnology Co., ltd.), 15 parts by weight of calcium carbonate (1250 mesh, shanghai river chemical Co., ltd., CAS No. 471-34-1), 30 parts by weight of kaolin (1250 mesh, shanghai river chemical Co., ltd., CAS No. 1332-58-7) with stirring, and continuing stirring for 50 minutes until there is no uniform liquid slurry mixture of visible agglomerates;
and (3) obtaining the soft oil painting stick from the obtained uniform mixture through a molding process, wherein the cooling temperature is 17 ℃ during molding.
Example 4:
mixing, melting and dispersing 18 parts by weight of beeswax (Hebei Xueshi beeswax limited company, CAS No. 8006-40-4), 5 parts by weight of carnauba wax (Jinan Huijian chemical Co., ltd., CAS No. 8015-86-9) and 9 parts by weight of polyoxyethylene sorbitan trioleate (Zibo Hajie chemical Co., ltd., CAS No. 9005-70-3), wherein the melting temperature is 100 ℃, and fully stirring for 80min to uniformly mix to obtain composite wax;
slowly adding 5 parts by weight of environment-friendly pigment phthalocyanine blue (CAS No.2429-74-5, shanghai Kaijin chemical Co., ltd.) into the composite wax obtained in the above step under the condition of heating and stirring, and fully stirring for 50min at 85 ℃ to obtain a uniform mixture;
grinding the uniform mixture obtained in the previous step into fine granular solid matters with the size of 20-40 mu m by a three-roller grinder;
heating the fine granular solid obtained in the above step to 85 ℃ to completely melt, slowly and uniformly adding 20 parts by weight of tea seed oil (Shandong's New Material Co., ltd., CAS No. 68917-75-9), 40 parts by weight of kaolin (1250 mesh, shanghai's chemical Co., ltd., CAS No. 1332-58-7), 3 parts by weight of white carbon black (1000 mesh, shanghai's chemical Co., ltd., CAS No. 60676-86-0) with stirring, and continuously stirring for 60 minutes to a uniform liquid slurry mixture without visible agglomerates;
and (3) obtaining the soft oil painting stick from the obtained uniform mixture through a molding process, wherein the cooling temperature is 15 ℃ during molding.
In addition to the above embodiments, the present invention also provides commercial bid item 1 (model 6964, model # of the winning brand), bid item 2 (model # 1100, model # of the equine brand), and bid item 3 (model # 2966, model # of the true brand) as comparative examples 1-3 to illustrate the effects of the present invention.
In the experiment, the oil painting sticks of examples 1 to 4 and the oil painting sticks of comparative examples 1 to 3 were evaluated by hardness, breaking strength, coloring strength, plottability, and heaviness test, and the test results are shown in table 1.
The hardness test is carried out by adopting a Brinell hardness tester, the oil painting stick is sliced and then placed on an instrument test table, and the maximum value is read after the test is started until the value is stable.
The method for measuring the breaking strength refers to the QB/T2586-2014 oil painting stick industry standard, and requires the breaking strength to be more than 4N.
The tinting strength test is to paint a sample on various surfaces such as paper, skin, cloth, plastic, glass, marble, metal, etc., and score the tinting strength (a-C):
a: the surface of various mediums can be painted and colored, and the coloring power is good;
b: the color is easy to color on rough surfaces such as paper surfaces, cloth materials and the like, but not easy to color on smooth surfaces, and the color can be developed only by repeatedly painting;
c: only on paper surface and cloth, the paint can be painted and colored, and other smooth surfaces can not be painted.
The plottability test is to uniformly apply a 50mm x 50mm size area of the sample on sketch paper and score the plottability (a-C):
a: drawing fluency and uniform coating color;
b: fluency is depicted, but the color of the paint sample is uneven;
c: rendering is unfavorable and the paint color is uneven.
The thick feel test is to uniformly and fully coat a sample with a size of 50mm by 50mm on sketch paper, and score the thick feel from the three-dimensional sense of the picture and the visual thickness of the coating (A-C):
a: the coating sample has stronger third dimension and obvious coating thickness;
b: the coating has a general three-dimensional sense, and the thickness of the coating is not obvious;
c: the coating sample has no stereoscopic impression, and the coating is thin.
Table 1 evaluation of the properties of the formulations
From the results shown in Table 1, it can be seen that the present invention of examples 1 to 4 has significant advantages over the comparative examples:
in terms of hardness, the hardness of the test sample is obviously lower than that of the test sample of the comparative example, and the hand feeling is softer;
the coloring power of the embodiment of the invention is stronger than that of the comparative example, and the coloring power can be applied to various surfaces such as paper surfaces, skin, cloth, plastics, glass, marble, metal and the like;
with respect to the descriptive aspect, the embodiment of the invention has better smoothness, color fineness and uniformity;
in terms of heavy feel, compared with the comparative example, the coating thickness of the embodiment of the invention is obviously thicker, and can bring stronger stereoscopic impression for painting;
meanwhile, the bending resistance of the steel plate meets the industry requirements.
According to the test result, compared with the conventional oil painting stick on the market at present, the soft oil painting stick has more excellent performances including folding resistance, tinting strength and drawing performance, and particularly has stronger substrate adhesion force compared with the common oil painting stick, so that thicker coating can be obtained during painting, the three-dimensional sense and texture of painting are enhanced, and the painting fun and the specialty are greatly increased.
It will be appreciated by persons skilled in the art that the embodiments described herein are merely exemplary and that various other alternatives, modifications and improvements may be made within the scope of the invention. Thus, the present invention is not limited to the above-described embodiments, but only by the claims.
Claims (22)
1. The soft oil painting stick is characterized by comprising the following raw materials in parts by weight:
23-32 parts of composite wax;
20-22 parts of vegetable oil;
43-50 parts of filler;
3-8 parts of environment-friendly pigment;
the composite wax consists of the following raw materials in parts by weight:
5-25 parts of soft wax;
1-15 parts of hard wax;
3-20 parts of an emulsifying agent;
wherein the soft wax is selected from one or more of paraffin wax, beeswax, microcrystalline wax, insect white wax, japanese wax, wool wax, and flax wax;
the hard wax is selected from one or more of montan wax, wood wax, carnauba wax, candelilla wax, fischer-Tropsch wax, polyethylene wax, polypropylene wax, ethylene-vinyl acetate copolymer wax, and oxidized polyethylene wax.
2. The flexible oil painting stick according to claim 1, wherein the composite wax is composed of the following raw materials in parts by weight:
10-20 parts of soft wax;
5-10 parts of hard wax;
5-15 parts of emulsifying agent.
3. A flexible oil painting stick as claimed in claim 1 or claim 2, wherein the vegetable oil is selected from one or more of olive oil, coconut oil, castor oil, cottonseed oil, soybean oil, sesame oil, almond oil, peanut oil, corn oil, rice bran oil, linseed oil, tea seed oil, sea buckthorn oil, avocado oil, chestnut oil, european nut oil, walnut oil, cocoa butter.
4. A flexible oil painting stick according to claim 3, characterized in that the vegetable oil is selected from one or more of coconut oil, castor oil, cottonseed oil, soybean oil, linseed oil, tea seed oil.
5. The flexible oil painting stick according to claim 4, wherein the vegetable oil is one or more selected from the group consisting of coconut oil, castor oil, linseed oil and tea seed oil.
6. A flexible oil painting stick as claimed in claim 1 or claim 2, wherein the filler is selected from one or more of calcium carbonate, kaolin, talc, white carbon black, aluminium silicate, aluminium hydroxide, calcium hydroxide, barium sulphate.
7. The flexible oil painting stick according to claim 6, wherein the filler is selected from one or more of calcium carbonate, kaolin, talc, white carbon, and barium sulfate.
8. The flexible oil painting stick according to claim 7, wherein the filler is one or more selected from the group consisting of calcium carbonate, kaolin, white carbon black.
9. A flexible oil painting stick as claimed in claim 1 or 2, characterized in that the flexible wax is selected from one or more of paraffin wax, beeswax, microcrystalline wax, chinese insect wax, japan wax.
10. The flexible oil painting stick according to claim 9, wherein the flexible wax is selected from one or more of paraffin wax, beeswax, microcrystalline wax.
11. A soft oil stick as claimed in claim 1 or 2, wherein the hard wax is selected from one or more of wood wax, carnauba wax, candelilla wax, fischer-tropsch wax, polyethylene wax.
12. The flexible oil painting stick according to claim 11, wherein the hard wax is selected from one or more of carnauba wax, polyethylene wax, fischer-tropsch wax.
13. A flexible oil painting stick as claimed in claim 1 or claim 2, wherein the emulsifier is selected from one or more of glyceryl monostearate, glyceryl distearate, glyceryl fatty acid esters, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, polyoxyethylene sorbitan trioleate.
14. A flexible oil painting stick as claimed in claim 13, wherein the emulsifier is selected from one or more of glyceryl monostearate, glyceryl distearate, glyceryl fatty acid esters, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, polyoxyethylene sorbitan trioleate.
15. A flexible oil painting stick as claimed in claim 14, wherein the emulsifier is selected from one or more of glyceryl monostearate, glyceryl distearate, sorbitan monooleate, polyoxyethylene sorbitan trioleate.
16. A preparation method of a soft oil painting stick comprises the following steps:
step (a): weighing 23-32 parts by weight of composite wax, melting, slowly adding 3-8 parts by weight of environment-friendly pigment under the condition of heating and stirring, and fully stirring to obtain a uniform mixture a;
step (b): grinding the uniform mixture a obtained in the step (a) into fine granular solid matters to obtain a grinding intermediate product b;
step (c): heating the grinding intermediate product b obtained in the step (b) until the grinding intermediate product b is completely melted, slowly and uniformly adding 20-22 parts by weight of vegetable oil and 43-50 parts by weight of filler under stirring, and continuously stirring until the grinding intermediate product b is in a uniform liquid state without visible agglomerates to obtain a uniform mixture c;
step (d): molding the uniform mixture c obtained in the step (c) to obtain a soft oil painting stick;
wherein the compound wax in the step (a) comprises soft wax, hard wax and an emulsifying agent, and the preparation method of the compound wax comprises the following steps: mixing 5-25 parts by weight of soft wax, 1-15 parts by weight of hard wax and 3-20 parts by weight of emulsifying agent, heating and melting, stirring and dispersing until the materials are completely and uniformly mixed;
wherein the soft wax is selected from one or more of paraffin wax, beeswax, microcrystalline wax, insect white wax, japanese wax, wool wax, and flax wax;
the hard wax is selected from one or more of montan wax, wood wax, carnauba wax, candelilla wax, fischer-Tropsch wax, polyethylene wax, polypropylene wax, ethylene-vinyl acetate copolymer wax, and oxidized polyethylene wax.
17. The method of producing according to claim 16, wherein the melting temperature during the production of the composite wax in the step (a) is 80 to 110 ℃; the melting time is 60-120min.
18. The method of claim 17, wherein the melting temperature during the preparation of the composite wax in step (a) is from 90 ℃ to 100 ℃; the melting time is 70-100min.
19. The method of claim 16, wherein,
the heating temperature of the step (a) is 70-100 ℃, and the stirring time is 30-60min;
the heating temperature of the grinding intermediate b in the step (c) is 70-90 ℃, and the stirring time is 30-60min;
the molding process of step (d) includes a cooling step having a cooling temperature of 5-25 ℃.
20. The method of claim 19, wherein,
the heating temperature of the step (a) is 80-90 ℃, and the stirring time is 40-50min;
the heating temperature of the grinding intermediate b in the step (c) is 80-85 ℃, and the stirring time is 40-50min;
the forming process of step (d) includes a cooling step having a cooling temperature of 10-15 ℃.
21. The method according to claim 16, wherein the particle fineness of the ground intermediate b in the step (b) is 3 to 70 μm.
22. The method according to claim 21, wherein the grinding intermediate b in the step (b) has a particle fineness of 5 to 50 μm.
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| CN1306558A (en) * | 1998-06-17 | 2001-08-01 | 宾尼及史密斯公司 | Crayons contg. ester waxes |
| 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 |
| CN109627853A (en) * | 2019-01-09 | 2019-04-16 | 真彩文具股份有限公司 | Reversible thermochromic color pencil lead and preparation method thereof and pencil |
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| CN1306558A (en) * | 1998-06-17 | 2001-08-01 | 宾尼及史密斯公司 | Crayons contg. ester waxes |
| 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 |
| CN109627853A (en) * | 2019-01-09 | 2019-04-16 | 真彩文具股份有限公司 | Reversible thermochromic color pencil lead and preparation method thereof and pencil |
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