JP2006316141A - Solid-like paint - Google Patents

Solid-like paint Download PDF

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JP2006316141A
JP2006316141A JP2005138674A JP2005138674A JP2006316141A JP 2006316141 A JP2006316141 A JP 2006316141A JP 2005138674 A JP2005138674 A JP 2005138674A JP 2005138674 A JP2005138674 A JP 2005138674A JP 2006316141 A JP2006316141 A JP 2006316141A
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silicone
wetting agent
pigment
solid
paint
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JP4771519B2 (en
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Hiroyuki Mizuishi
博之 水石
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Pilot Precision KK
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Pilot Precision KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a solid-like paint, having smooth wrighting feeling, fresh color tone and good setting property and free from long-term change of hue. <P>SOLUTION: The solid-like paint is obtained by formulating at least constitutional material and a colored pigment or further wetting agent with a silicone. A polyether-modified silicone is preferably used as the silicone and suitably used within the range of 1-20 wt.%, and a polyethylene glycol having ≤1,000 molecular weight is preferably used as the wetting agent and the polyethylene glycol is suitably used within the range of 5-20 wt.%. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、パステルやコンテなどに代表される固形状絵具に関するものである。   The present invention relates to a solid paint typified by a pastel or a container.

従来パステルやコンテなどの固形状絵具は、ワックスやゲル化剤などの形成材を含まずに、体質顔料および着色顔料を水と共に混練し、押出成形後乾燥して作製されており、水を含まずに体質顔料と着色顔料とから構成されているが、これだけでは描画後の絵具組成物が温度や湿度など外的環境の影響を受けて色相が変化するという問題が生じ、また書き味自体も好ましいものではなく、画面への定着性も十分なものではない。これを解決する方策として、樹脂を配合して定着性を向上させたり、色相の変化を防止する方法が挙げられるが、この場合には顔料の持つ本来の新鮮な色調が失われるという問題がある。そこで、体質顔料と着色顔料以外に湿潤剤を配合して前記問題を解決する方法が知られている(特許文献1参照)。湿潤剤を用いることにより、画面への定着性が良好となると共に、顔料粒子を外的環境の影響から保護して、色相の変化を防止するなどの特徴が得られるのである。
特開平9−78024号公報
Conventionally, solid paints such as pastels and containers have been prepared by kneading extender pigments and colored pigments with water without forming materials such as waxes and gelling agents, and drying after extrusion molding. It is composed of extender pigments and colored pigments, but this alone causes a problem that the paint composition after drawing changes in hue due to the influence of the external environment such as temperature and humidity, and the writing taste itself is also It is not preferable, and the fixing property to the screen is not sufficient. As a measure to solve this, there is a method of improving the fixability by blending a resin or preventing a change in hue, but in this case, there is a problem that the original fresh color tone of the pigment is lost. . Therefore, a method is known in which a wetting agent is blended in addition to the extender pigment and the color pigment to solve the above problem (see Patent Document 1). By using the wetting agent, the fixability to the screen is improved, and the pigment particles are protected from the influence of the external environment, and the characteristics such as preventing the change in hue can be obtained.
JP-A-9-78024

しかしながら、特許文献1のようにグリセリン、エチレングリコールなどの湿潤剤を用いても、長期間の色相変化の防止には十分ではなく、色調も劣化してしまう。この理由としては、湿潤剤と体質顔料および着色顔料とが分離し易く、分散性が劣るためと考えられ、これが原因で色調も劣り、書き味も好ましいものではなくなるのである。分散性を向上させる方法として界面活性剤の添加が考えられるが、界面活性剤自体が物理的、化学的に安定したものではないため、結局外的環境により変化してしまうという問題は避けられない。そこで、本願発明は上記問題を解決すべく検討した。   However, even if a wetting agent such as glycerin or ethylene glycol is used as in Patent Document 1, it is not sufficient for preventing a long-term hue change, and the color tone is also deteriorated. The reason is considered that the wetting agent, the extender pigment and the color pigment are easily separated and the dispersibility is inferior, which causes the color tone to be inferior and the writing quality to be unfavorable. The addition of a surfactant can be considered as a method for improving dispersibility, but since the surfactant itself is not physically and chemically stable, the problem of eventually changing due to the external environment is inevitable. . Therefore, the present invention has been studied to solve the above problems.

本発明は、色相の変化がなく新鮮な色調を保持し、かつ書き味および定着性に優れた固形状絵具に関するものであり、少なくとも体質材と着色顔料とからなり、かつ前記素材の他にシリコーンを配合することを第1の要旨とする。   The present invention relates to a solid color paint which has no hue change and maintains a fresh color tone and is excellent in writing quality and fixability, and is composed of at least a constitution material and a coloring pigment. It is the first gist to blend.

また、少なくとも体質材と着色顔料および湿潤剤とからなり、かつ前記素材の他にシリコーンを配合することを第2の要旨とする。   Further, the second gist is to include at least an extender, a color pigment, and a wetting agent, and to mix silicone in addition to the material.

さらに、シリコーンがポリエーテル変性シリコーンであることを第3の要旨とする。   Furthermore, the third gist is that the silicone is a polyether-modified silicone.

さらに、湿潤剤がポリエチレングリコールであることを第4の要旨とする。   Furthermore, the fourth gist is that the wetting agent is polyethylene glycol.

本発明の固形状絵具は、描画面での色相が長期間損なわれず、顔料自体の持つ新鮮な色調が得られ、かつ定着性よく書き味も良好となるという特徴を有する。   The solid paint of the present invention is characterized in that the hue on the drawing surface is not impaired for a long period of time, the fresh color tone of the pigment itself is obtained, the fixing property is good, and the writing quality is also good.

本発明の固形状絵具は、少なくとも体質材と着色顔料あるいはさらに湿潤剤の他に、シリコーンを配合することにより、色相の安定性を確保するという目的を実現した。   The solid paint of the present invention achieves the object of ensuring the stability of hue by blending at least the extender and the color pigment or the wetting agent with silicone.

次に、本発明の固形状絵具について具体的に説明する。体質材としては、従来公知のものであればいずれも用いることができ、例えばタルク、クレー、シリカ、炭酸カルシウム、硫酸バリウム、アルミナ、マイカ、窒化硼素、チタン酸カリウム、ガラスフレーク、でんぷんなどが挙げられ、特に成形性の点からタルク、炭酸カルシウムが好適である。体質材の配合量は任意であるが、固形状絵具全量に対し、10〜85重量%程度が好ましい。10重量%未満では成形性が劣化し、85重量%を越えると発色が弱くなり、定着性に劣る。   Next, the solid paint of the present invention will be specifically described. As the extender, any conventionally known material can be used, and examples thereof include talc, clay, silica, calcium carbonate, barium sulfate, alumina, mica, boron nitride, potassium titanate, glass flakes and starch. In particular, talc and calcium carbonate are preferable from the viewpoint of moldability. The amount of the extender is arbitrary, but is preferably about 10 to 85% by weight based on the total amount of the solid paint. If it is less than 10% by weight, the moldability deteriorates, and if it exceeds 85% by weight, the color development becomes weak and the fixability is poor.

着色顔料としては、従来公知の顔料であればいずれも用いることができ、例えば無機顔料、有機顔料、白色顔料、パール顔料、金属顔料、蛍光顔料などが挙げられ、単独又は組み合わせて用いるが、発色性の点から有機顔料が最も好ましい。具体的には、無機顔料としてカーボンブラック、鉄黒、群青、弁柄などが、また有機顔料としてはアゾ系顔料、インジゴ系顔料、フタロシアニン系顔料、キナクリドン系顔料、チオインジゴ系顔料などが挙げられる。白色顔料としては酸化チタン、酸化亜鉛などが、また蛍光顔料としては昼光蛍光顔料や蓄光顔料などが挙げられる。着色顔料の配合量は任意であるが、固形状絵具全量に対し1〜40重量%が好ましい。1重量%未満であると発色が十分でなくなり、40重量%を越えると固形状に成形し難く、また書き味が劣化する。   As the color pigment, any conventionally known pigment can be used, and examples thereof include inorganic pigments, organic pigments, white pigments, pearl pigments, metal pigments, fluorescent pigments, and the like. From the viewpoint of properties, organic pigments are most preferable. Specific examples of the inorganic pigment include carbon black, iron black, ultramarine blue, and petal, and examples of the organic pigment include azo pigments, indigo pigments, phthalocyanine pigments, quinacridone pigments, and thioindigo pigments. Examples of white pigments include titanium oxide and zinc oxide, and examples of fluorescent pigments include daylight fluorescent pigments and phosphorescent pigments. The blending amount of the color pigment is arbitrary, but is preferably 1 to 40% by weight based on the total amount of the solid paint. If it is less than 1% by weight, the color development becomes insufficient, and if it exceeds 40% by weight, it is difficult to form a solid and the writing quality is deteriorated.

湿潤剤としては、保水性を有する成分であれば何でもよく、例えばグリセリン、ソルビトール、エチレングリコール、プロピレングリコール、ポリエチレングリコール、トリエタノールアミン、ポリグリセリンなどが挙げられ、特には平均分子量1000以下の液状またはペースト状のポリエチレングリコールが好適である。湿潤剤を添加することにより、湿度などによる色相の変化がより以上に防止され、描画面に対する定着性もさらに良好なものとなる。また、湿潤剤には造粒作用があり、成形性も良好となる。この湿潤剤の配合量は、固形状絵具全量に対して5〜20重量%の範囲が好ましい。5重量%未満では定着性が劣化すると共に造粒作用に劣り、20重量%を越えると書き味が劣化してしまう。   The wetting agent may be anything as long as it has a water retention property, and examples thereof include glycerin, sorbitol, ethylene glycol, propylene glycol, polyethylene glycol, triethanolamine, and polyglycerin. Pasty polyethylene glycol is preferred. By adding the wetting agent, the change in hue due to humidity or the like is further prevented, and the fixing property to the drawing surface is further improved. In addition, the wetting agent has a granulating action and good moldability. The amount of the wetting agent is preferably in the range of 5 to 20% by weight with respect to the total amount of the solid paint. If it is less than 5% by weight, the fixability is deteriorated and the granulating action is inferior, and if it exceeds 20% by weight, the writing quality is deteriorated.

本発明に用いるシリコーンとしては、ポリジメチルシロキサン、ポリメチルハイドロジェンシロキサン、ポリメチルフェニルシロキサンなどの直鎖型シリコーンや、ポリジメチルシロキサンのメチル基の一部が有機官能基によって置換された変性シリコーンなどが挙げられ、いずれを用いてもよいが、好ましくは変性シリコーンが好適で、さらに有機官能基としてアミノ基、エポキシ基、カルボキシル基、カルビノール基、メタクリル基、アルコキシ基、ポリエーテル基、アルキル基、メチルスチリル基、トリフルオロアルキル基などが挙げられるが、特にはポリエーテル変性シリコーンが親水性であるという点で最も好ましい。またシリコーンの粘度は、25℃で10〜2000cStが好ましい。10cSt未満だと揮発性が高くなって本発明の目的が達成できず、2000cStを越えると筆記感が重くなる。シリコーンの配合量は、固形状絵具全量に対し1〜20重量%が好適である。1重量%未満では書き味が劣ると共に色相の変化が防止できず、20重量%を越えると色調の新鮮さが劣化してくる。   Examples of the silicone used in the present invention include linear silicones such as polydimethylsiloxane, polymethylhydrogensiloxane, and polymethylphenylsiloxane, and modified silicones in which a part of the methyl group of polydimethylsiloxane is substituted with an organic functional group. Any of these may be used, but modified silicones are preferred, and amino groups, epoxy groups, carboxyl groups, carbinol groups, methacryl groups, alkoxy groups, polyether groups, alkyl groups are preferred as organic functional groups. , Methyl styryl group, trifluoroalkyl group, and the like. In particular, polyether-modified silicone is most preferable in that it is hydrophilic. The viscosity of the silicone is preferably 10 to 2000 cSt at 25 ° C. If it is less than 10 cSt, the volatility becomes high and the object of the present invention cannot be achieved, and if it exceeds 2000 cSt, the writing feeling becomes heavy. The blending amount of silicone is preferably 1 to 20% by weight based on the total amount of solid paint. If it is less than 1% by weight, the writing quality is inferior and the hue cannot be prevented. If it exceeds 20% by weight, the freshness of the color deteriorates.

体質材と着色顔料あるいはさらに湿潤剤の他に、シリコーンを配合することにより性能が向上する理由は定かではないが、体質材と着色顔料からなる粒子の外周にシリコーンが皮膜を形成し、均一に分散させていることと、さらに湿潤剤を添加することで、湿潤剤の造粒作用により粒状の粒子が形成され易く、より一層均一な粒子がばらつきなく分散されるためではないかと考えられる。つまり、物理的、化学的に安定した性状を有するシリコーンが、体質材と着色顔料あるいはさらに湿潤剤との組み合わせによる好ましい特性を保護している構成となり、これが色調の新鮮さや色相の変化などにおいて安定した性状をもたらす理由とも考えられる。なお、シリコーン自体が滑らかさを有しているため、書き味も必然的に好ましいものになると思われる。   The reason why the performance is improved by adding silicone in addition to the extender and the color pigment or further the wetting agent is not clear, but the silicone forms a film on the outer periphery of the particles consisting of the extender and the color pigment, and it is uniform. It is thought that the dispersion and the addition of a wetting agent facilitates the formation of granular particles by the granulating action of the wetting agent, and the more uniform particles are dispersed without variation. In other words, silicone with physically and chemically stable properties protects the favorable characteristics of the combination of the extender and the color pigment or further the wetting agent, which is stable in terms of freshness of hue and changes in hue. It is also thought to be the reason that brings about the properties. In addition, since silicone itself has smoothness, it seems that a writing taste will necessarily become preferable.

ここで、上述したシリコーンは一般的に疎水性であるため、水溶性である湿潤剤を添加する際には当初混合させるために界面活性剤の添加が好ましいが、ポリエーテル変性シリコーンの場合は親油性でしかも親水性でもあるため、体質材および着色顔料と湿潤剤とを分離させることなく混合、分散させる界面活性効果も有していることから特に好ましい素材となる。   Here, since the above-mentioned silicone is generally hydrophobic, it is preferable to add a surfactant for the initial mixing when adding a water-soluble wetting agent. Since it is oily and hydrophilic, it has a surface-active effect of mixing and dispersing the extender, the color pigment, and the wetting agent without separating them, making it a particularly preferred material.

上記成分以外に、必要に応じて粘度調整剤、防かび剤、防腐剤、抗菌剤、香料などを添加してもよい。また、上述したように成分どうしの相溶化のために非イオン性、陽イオン性、陰イオン性などの界面活性剤を必要に応じて添加してもよい。   In addition to the above components, viscosity modifiers, fungicides, preservatives, antibacterial agents, fragrances and the like may be added as necessary. Further, as described above, a surfactant such as nonionic, cationic or anionic may be added as necessary for compatibilization of the components.

本発明の固形状絵具の製造方法として、まず着色顔料と体質材を水中に入れて、粉砕しながら混合したのち水を蒸発させ、次にこの粉砕物をシリコーンと湿潤剤が混入された水中に加えて混合させたのち、水を蒸発させ、容器に入れて成形し固形状絵具とする。ここで、溶媒として水を用いたが、有機溶剤を使用してもよい。また、所定の容器に入れて成形したあとの形状としては、固形状であればどのような形でもよく、例えば棒状、角状などが挙げられる。次に、本発明の実施例を述べる。なお、「部」は「重量部」である。   As a method for producing a solid paint according to the present invention, first, a colored pigment and an extender are put in water, mixed while being pulverized, water is evaporated, and then this pulverized product is submerged in water mixed with silicone and a wetting agent. In addition, after mixing, the water is evaporated, put into a container and molded into a solid paint. Here, water is used as a solvent, but an organic solvent may be used. Further, the shape after being molded in a predetermined container may be any shape as long as it is solid, and examples thereof include a rod shape and a square shape. Next, examples of the present invention will be described. “Parts” is “parts by weight”.

シリコーン 15部
(ポリエーテル変性シリコーン)
(粘度:25℃で100cSt)
着色顔料(有機顔料:赤色) 10部
体質材(タルク) 75部
水 100部
上記材料を用い、まず有機顔料とタルクを水50部中に入れて、よく粉砕しながら混合したのち水を蒸発させる。次に、シリコーンが混入された水50部中に、前記粉砕物を加えて混合し、水を蒸発させたのち、所定の容器に充填して成形、固形化して、赤色の固形状絵具を得た。
Silicone 15 parts
(Polyether-modified silicone)
(Viscosity: 100 cSt at 25 ° C)
Colored pigment (organic pigment: red) 10 parts Body material (talc) 75 parts Water 100 parts Using the above materials, first put the organic pigment and talc in 50 parts of water, mix well while crushing, and then evaporate the water . Next, the pulverized product is added and mixed in 50 parts of water mixed with silicone, and after evaporating the water, it is filled into a predetermined container, molded and solidified to obtain a red solid paint. It was.

シリコーン 3部
(ポリエーテル変性シリコーン)
(粘度:25℃で100cSt)
ポリエチレングリコール(分子量1000) 10部
着色顔料(有機顔料:赤色) 17部
体質材(タルク) 70部
水 100部
上記材料を用い、まず有機顔料とタルクを水50部中に入れて、よく粉砕しながら混合したのち水を蒸発させる。次に、シリコーンとポリエチレングリコールが混入された水50部中に、前記粉砕物を加えて混合し、水を蒸発させたのち、所定の容器に充填して成形、固形化して、赤色の固形状絵具を得た。
Silicone 3 parts
(Polyether-modified silicone)
(Viscosity: 100 cSt at 25 ° C)
Polyethylene glycol (molecular weight 1000) 10 parts Colored pigment (organic pigment: red) 17 parts Body material (talc) 70 parts Water 100 parts First, put the organic pigment and talc in 50 parts of water and pulverize well. The water is evaporated after mixing. Next, in 50 parts of water mixed with silicone and polyethylene glycol, the pulverized product is added and mixed, and after evaporating the water, it is filled into a predetermined container, molded, solidified, and then red solid I got the paint.

シリコーン 7.5部
(ポリジメチルシロキサン)
(粘度:25℃で20cSt)
グリセリン 10部
着色顔料(有機顔料:赤色) 10部
体質材(タルク) 72部
界面活性剤(ラウリル硫酸ナトリウム) 0.5部
水 100部
上記材料を用い、まず有機顔料とタルクを水50部中に入れて、よく粉砕しながら混合したのち水を蒸発させる。次に、シリコーンとグリセリンおよび界面活性剤が混入された水50部中に、前記粉砕物を加えて混合し、水を蒸発させたのち、所定の容器に充填して成形、固形化して、赤色の固形状絵具を得た。
7.5 parts of silicone
(Polydimethylsiloxane)
(Viscosity: 20 cSt at 25 ° C)
Glycerin 10 parts Colored pigment (organic pigment: red) 10 parts Body material (talc) 72 parts Surfactant (sodium lauryl sulfate) 0.5 part Water 100 parts First, organic pigment and talc in 50 parts water And evaporate the water after mixing well. Next, in 50 parts of water mixed with silicone, glycerin and surfactant, the pulverized product is added and mixed, and after evaporating the water, it is filled into a predetermined container, molded, solidified, and reddish A solid paint was obtained.

(比較例1)
実施例1において、シリコーンを除いた他の材料を用い、エタノール中に有機顔料とタルクを入れて、よく粉砕しながら混合し、エタノールを蒸発させたのち、所定の容器に充填して成形、固形化して赤色の固形状絵具を得た。
(Comparative Example 1)
In Example 1, using other materials excluding silicone, putting organic pigment and talc in ethanol, mixing while thoroughly pulverizing, evaporating ethanol, filling into a predetermined container, molding, solid A red solid paint was obtained.

(比較例2)
実施例2において、シリコーンを除いた他の材料を用いて、実施例2と同様の工程にて赤色の固形状絵具を得た。
(Comparative Example 2)
In Example 2, a red solid paint was obtained in the same process as Example 2 using other materials excluding silicone.

(比較例3)
実施例2のシリコーンの代わりに流動パラフィンを用いて、実施例2と同様の工程にて赤色の固形状絵具を得た。
(Comparative Example 3)
Using liquid paraffin instead of the silicone of Example 2, a red solid paint was obtained in the same process as in Example 2.

上記実施例1、2、3および比較例1、2、3について色相の変化、定着性、描画性(書き味)、色調の比較を行った。なお色相の変化は、紙面に描画して1ヵ月後の色相についてその変化の程度を目視で観察した。定着性、描画性は実際に描画したときの官能試験、色調は目視で観察したものである。   The above-described Examples 1, 2, and 3 and Comparative Examples 1, 2, and 3 were compared in hue change, fixability, drawability (writing quality), and color tone. The hue change was visually observed for the hue one month after drawing on the paper. The fixability and the drawability are sensory tests when the image is actually drawn, and the color tone is visually observed.

Figure 2006316141
Figure 2006316141

表1から明らかなように、本発明の固形状絵具は長期間経過しても色相の変化がなく、しかも新鮮な色調を有し、さらに書き味も滑らかで安定した性能を有するなど優れた特徴を有することがわかる。   As is clear from Table 1, the solid paint of the present invention has excellent characteristics such as no change in hue even after a long period of time, a fresh color tone, and a smooth and stable performance. It can be seen that

書き味、色調に優れ、色相の変化がないため安定した使用が可能となる。   Stable use is possible because of excellent writing and color tone and no change in hue.

Claims (4)

少なくとも体質材と着色顔料とからなり、かつ前記素材の他にシリコーンを配合することを特徴とする固形状絵具。   A solid paint comprising at least an extender and a coloring pigment, and containing silicone in addition to the material. 少なくとも体質材と着色顔料および湿潤剤とからなり、かつ前記素材の他にシリコーンを配合することを特徴とする固形状絵具。   A solid paint comprising at least an extender, a color pigment, and a wetting agent, and containing silicone in addition to the material. シリコーンがポリエーテル変性シリコーンであることを特徴とする請求項1又は2記載の固形状絵具。   The solid paint according to claim 1 or 2, wherein the silicone is a polyether-modified silicone. 湿潤剤がポリエチレングリコールであることを特徴とする請求項2又は3記載の固形状絵具。   The solid paint according to claim 2 or 3, wherein the wetting agent is polyethylene glycol.
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
DE112007002847T5 (en) 2006-11-22 2009-09-24 Mitsuba Corp., Kiryu-shi DC motor
JP2019123848A (en) * 2017-02-09 2019-07-25 株式会社サクラクレパス Solid water color composition
WO2022210306A1 (en) * 2021-03-31 2022-10-06 ぺんてる株式会社 Baked pencil lead

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JPH06184488A (en) * 1992-09-25 1994-07-05 Pilot Ink Co Ltd Solid writing body for writing board
JPH10168378A (en) * 1996-12-12 1998-06-23 Sakura Color Prod Corp Solid drawing material composition
JP2002201400A (en) * 2001-01-04 2002-07-19 Bunchou:Kk Solid drawing material
JP2003231856A (en) * 2002-02-08 2003-08-19 Bunchou:Kk Solid drawing material
JP2003261812A (en) * 2002-03-06 2003-09-19 Mitsubishi Pencil Co Ltd Colored pencil lead and its manufacturing process

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06184488A (en) * 1992-09-25 1994-07-05 Pilot Ink Co Ltd Solid writing body for writing board
JPH10168378A (en) * 1996-12-12 1998-06-23 Sakura Color Prod Corp Solid drawing material composition
JP2002201400A (en) * 2001-01-04 2002-07-19 Bunchou:Kk Solid drawing material
JP2003231856A (en) * 2002-02-08 2003-08-19 Bunchou:Kk Solid drawing material
JP2003261812A (en) * 2002-03-06 2003-09-19 Mitsubishi Pencil Co Ltd Colored pencil lead and its manufacturing process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112007002847T5 (en) 2006-11-22 2009-09-24 Mitsuba Corp., Kiryu-shi DC motor
JP2019123848A (en) * 2017-02-09 2019-07-25 株式会社サクラクレパス Solid water color composition
JP7028440B2 (en) 2017-02-09 2022-03-02 株式会社サクラクレパス Solid watercolor paint composition
WO2022210306A1 (en) * 2021-03-31 2022-10-06 ぺんてる株式会社 Baked pencil lead

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