JP7066146B2 - Clay for work - Google Patents

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JP7066146B2
JP7066146B2 JP2017009868A JP2017009868A JP7066146B2 JP 7066146 B2 JP7066146 B2 JP 7066146B2 JP 2017009868 A JP2017009868 A JP 2017009868A JP 2017009868 A JP2017009868 A JP 2017009868A JP 7066146 B2 JP7066146 B2 JP 7066146B2
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龍辞 坂口
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本発明は、幼稚園や保育園或いは小学校等で用いられる工作用の粘土に関する。詳しくは、冷凍庫内等の低温環境下でも凍らず、手で持って温める程度の加熱により造形可能な程度に軟化し、べたつかず、さらさらした手触り感があり、伸展性があり、所望の形状を良好に造形でき、造形された形状を室温環境下で維持でき、その後、手で持って温める程度の再加熱により造形可能な程度に軟化して、再度、造形可能になるという優れた特性を備えた粘土に関する。 The present invention relates to clay for work used in kindergartens, nursery schools, elementary schools and the like. Specifically, it does not freeze even in a low temperature environment such as in a freezer, it is softened to the extent that it can be shaped by heating it by holding it by hand, it is not sticky, it has a silky feel, it has extensibility, and it has the desired shape. It has excellent characteristics that it can be shaped well, the shaped shape can be maintained in a room temperature environment, and then it is softened to the extent that it can be shaped by reheating to the extent that it can be held by hand and warmed, and then it can be shaped again. Regarding clay.

幼稚園や保育園或いは小学校等では、図工の教材として用いる粘土として、手触り感がさらさらしていてべたつかない、造形し易い等の特性を備えた粘土が望まれている。
例えば、特開2004-102163号公報(特許文献1)には、誤って口に入れても無害であり、臭いも無く、手への非付着性、伸展性、保形性、作業性、造形性に優れているという粘土組成物が開示されている。
また、特開平10-020768号公報(特許文献2)には、適度な硬さを有するとともに伸び易さを有し、また、適度な脆さといった創作し易さを有し、乾燥後は長期間堅牢さを維持し得るという軽量粘土が開示されている。
In kindergartens, nursery centers, elementary schools, etc., clays having characteristics such as smooth texture, non-greasyness, and easy modeling are desired as clays used as teaching materials for arts and crafts.
For example, Japanese Patent Application Laid-Open No. 2004-102163 (Patent Document 1) states that it is harmless even if it is accidentally put into the mouth, has no odor, and is non-adhesive to the hand, extensibility, shape retention, workability, and modeling. A clay composition having excellent properties is disclosed.
Further, Japanese Patent Application Laid-Open No. 10-020768 (Patent Document 2) has appropriate hardness and stretchability, and also has moderate brittleness and other creativity, and is long after drying. Lightweight clays that can maintain robustness for a period of time have been disclosed.

特開2004-102163号公報Japanese Unexamined Patent Publication No. 2004-102163 特開平10-020768号公報Japanese Unexamined Patent Publication No. 10-020768

優れた特性を備えた粘土が望まれている。例えば、べたつかない、さらさらした手触り感がある、伸展性が有る、所望の形状を良好に造形できる、造形後は長期間に渡って形状を保持できる、等の特性を備えた粘土が望まれている。 Clays with excellent properties are desired. For example, a clay having characteristics such as non-greasy, silky feel, extensibility, good shaping of a desired shape, and retention of shape for a long period of time after molding is desired. There is.

本発明は、冷凍庫内等の低温環境下でも凍らず、手で持って温める程度の加熱により造形可能な程度に軟化し、べたつかず、さらさらした手触り感があり、伸展性が有り、所望の形状を造形し易く、造形された形状を室温環境下で維持でき、その後、手で持って温める程度の再加熱により造形可能な程度に軟化して、再度、造形可能になるという特性を備えた粘土を提供することを目的とする。 INDUSTRIAL APPLICABILITY The present invention does not freeze even in a low temperature environment such as in a freezer, is softened to the extent that it can be shaped by heating to the extent that it can be held and warmed by hand, is not sticky, has a silky feel, has extensibility, and has a desired shape. Clay with the characteristics that it is easy to form, the formed shape can be maintained in a room temperature environment, and then it is softened to the extent that it can be formed by reheating to the extent that it can be held by hand and warmed, and then it can be formed again. The purpose is to provide.

本発明は、下記[1A]、[2]~[5]のように記述され得る。
[1]構成1
骨材と、第1の糊剤と、第2の糊剤である塩化カルシウムと、粘着抑制成分と、水を練り合わせて成り、
前記骨材はタルクを含み、
前記第1の糊剤は、CMC、メチルセルロース、コーンスターチ、マンナン粉、多糖類から選ばれた1種以上を含み、
前記粘着抑制成分は、シリコーンオイル、グリセリン、プロピレングリコール、ヒアルロン酸ナトリウムから選ばれた1種以上を含む、
ことを特徴とする工作用粘度。
[1A]構成1A
骨材と、第1の糊剤と、第2の糊剤である塩化カルシウムと、粘着抑制成分と、水を練り合わせて成り、
前記骨材はタルクを含み、
前記第1の糊剤は、CMC、メチルセルロース、コーンスターチ、マンナン粉、多糖類から選ばれた1種以上を含み、
前記粘着抑制成分は、シリコーンオイル、グリセリン、プロピレングリコール、ヒアルロン酸ナトリウムから選ばれた1種以上を含み
前記骨材は12~36質量%、前記第1の糊剤は4~12質量%、前記第2の糊剤である塩化カルシウムは9~27質量%、前記粘着抑制成分は0.1~2質量%、前記水は40~60質量%の範囲であり、合計で100質量%である、
ことを特徴とする工作用粘土。
[2]構成2
構成1に於いて、
前記骨材は、さらに、硫酸カルシウム、硫酸ナトリウム、硫酸マグネシウム、二酸化珪素、炭酸マグネシウム、卵殻から選ばれた1種以上を含む、
ことを特徴とする工作用粘土。
骨材全体に於けるタルクの量は、例えば、骨材を100質量%としたとき、60質量%以上、好ましくは70質量%以上、更に好ましくは80質量%以上である。例えば、タルク20質量部、硫酸カルシウム4質量部で、骨材を構成するこができる。
[3]構成3
構成1又は構成2に於いて、
前記第1の糊剤(増粘剤)はCMCを必須的に含む、
ことを特徴とする工作用粘土。
第1の糊剤全体に於けるCMCの量は、例えば、第1の糊剤を100質量%としたとき、好ましくは75質量%以上、更に好ましくは85質量%以上である。
[4]構成4
構成1~構成3の何れかに於いて、
前記粘着抑制成分(離型成分)はシリコーンオイルを必須的に含む、
ことを特徴とする工作用粘土。
粘着抑制成分全体に於けるシリコーンオイルの量は、例えば、粘着抑制成分を100質量%としたとき、好ましくは80質量%以上、更に好ましくは90質量%以上である。
[5]構成5
構成4に於いて、
前記シリコーンオイルはジメチルポリシロキサンである、
ことを特徴とする工作用粘土。
[6]構成6
構成1~構成5の何れかに於いて、
前記骨材は12~36質量%、前記第1の糊剤は4~12質量%、前記第2の糊剤である塩化カルシウムは9~27質量%、前記粘着抑制成分は0.1~2質量%、前記水は40~60質量%の範囲であり、合計で100質量%である、
ことを特徴とする工作用粘土。
例えば、骨材としてタルク20gと硫酸カルシウム4g、第1の糊剤としてカルボキシメチルセルロースナトリウム(CMC)8g、第2の糊剤である塩化カルシウム18g、粘着抑制成分としてジメチルポリシロキサン0.5g、及び、水49.5gの配合である。
The present invention can be described as the following [1A], [2] to [5] .
[1] Configuration 1
It is made by kneading aggregate, a first adhesive, a second adhesive, calcium chloride, an adhesive inhibitor, and water.
The aggregate contains talc and
The first adhesive contains one or more selected from CMC, methylcellulose, cornstarch, mannan powder, and polysaccharides.
The pressure-sensitive adhesive component contains one or more selected from silicone oil, glycerin, propylene glycol, and sodium hyaluronate.
The viscosity for work is characterized by that.
[1A] Configuration 1A
It is made by kneading aggregate, a first adhesive, a second adhesive, calcium chloride, an adhesive inhibitor, and water.
The aggregate contains talc and
The first adhesive contains one or more selected from CMC, methylcellulose, cornstarch, mannan powder, and polysaccharides.
The pressure-sensitive adhesive component contains one or more selected from silicone oil, glycerin, propylene glycol, and sodium hyaluronate .
The aggregate is 12 to 36% by mass, the first sizing agent is 4 to 12% by mass, the second sizing agent is calcium chloride is 9 to 27% by mass, and the adhesion suppressing component is 0.1 to 2%. By mass, the water is in the range of 40-60% by mass, for a total of 100% by mass.
Work clay characterized by that.
[2] Configuration 2
In Configuration 1A
The aggregate further comprises one or more selected from calcium sulfate, sodium sulfate, magnesium sulfate, silicon dioxide, magnesium carbonate, eggshell.
Work clay characterized by that.
The amount of talc in the entire aggregate is, for example, 60% by mass or more, preferably 70% by mass or more, and more preferably 80% by mass or more when the aggregate is 100% by mass. For example, an aggregate can be composed of 20 parts by mass of talc and 4 parts by mass of calcium sulfate.
[3] Configuration 3
In Configuration 1A or Configuration 2,
The first glue (thickener) essentially contains CMC.
Work clay characterized by that.
The amount of CMC in the entire first adhesive is, for example, preferably 75% by mass or more, more preferably 85% by mass or more, when the first adhesive is 100% by mass.
[4] Configuration 4
In any of Configuration 1 A to Configuration 3,
The adhesive suppressing component (release component) indispensably contains silicone oil.
Work clay characterized by that.
The amount of the silicone oil in the entire pressure-sensitive adhesive component is, for example, preferably 80% by mass or more, more preferably 90% by mass or more, when the pressure-sensitive adhesive component is 100% by mass.
[5] Configuration 5
In configuration 4,
The silicone oil is dimethylpolysiloxane,
Work clay characterized by that.
[6] Configuration 6
In any of the configurations 1 to 5,
The aggregate is 12 to 36% by mass, the first glue is 4 to 12% by mass, the second glue, calcium chloride, is 9 to 27% by mass, and the adhesive inhibitory component is 0.1 to 2 by mass. By mass, the water is in the range of 40-60% by mass, for a total of 100% by mass.
Work clay characterized by that.
For example, 20 g of talc and 4 g of calcium sulfate as aggregate, 8 g of sodium carboxymethyl cellulose (CMC) as the first adhesive, 18 g of calcium chloride as the second adhesive, 0.5 g of dimethylpolysiloxane as an adhesive inhibitor, and It is a mixture of 49.5 g of water.

構成1の粘土は、骨材と、第1の糊剤と、第2の糊剤である塩化カルシウムと、粘着抑制成分と、水を練り合わせて成り、前記骨材はタルクを含み、前記第1の糊剤は、CMC、メチルセルロース、コーンスターチ、マンナン粉、多糖類から選ばれた1種以上を含み、前記粘着抑制成分は、シリコーンオイル、グリセリン、プロピレングリコール、ヒアルロン酸ナトリウムから選ばれた1種以上を含み、前記骨材は12~36質量%、前記第1の糊剤は4~12質量%、前記第2の糊剤である塩化カルシウムは9~27質量%、前記粘着抑制成分は0.1~2質量%、前記水は40~60質量%の範囲であり、合計で100質量%であることを特徴とする工作用粘土であるため、低温環境下でも凍らず、手で持って温める程度の加熱により造形可能な程度に軟化し、べたつかず、さらさらした手触り感があり、良好な伸展性が有り、所望の形状を良好に造形でき、造形された形状を室温環境下で長期間に渡って維持でき、その後、手で持って温める程度の再加熱により造形可能な程度に軟化して、再度、造形可能になるという特性を備えることができる。
The clay of composition 1A is made by kneading an aggregate, a first adhesive, a second adhesive, calcium chloride, an adhesion suppressing component, and water, and the aggregate contains talc, and the first The adhesive of 1 contains one or more selected from CMC, methyl cellulose, corn starch, mannan powder, and polysaccharide, and the adhesive inhibitory component is one selected from silicone oil, glycerin, propylene glycol, and sodium hyaluronate. Including the above, the aggregate is 12 to 36% by mass, the first adhesive is 4 to 12% by mass, the second adhesive, calcium chloride, is 9 to 27% by mass, and the adhesive inhibitory component is Since it is a work clay characterized by 0.1 to 2% by mass and 40 to 60% by mass of the water and 100% by mass in total, it does not freeze even in a low temperature environment and can be held by hand. It is softened to the extent that it can be shaped by heating it to the extent that it can be warmed up, it is not sticky, it has a silky feel, it has good extensibility, it can shape the desired shape well, and the shaped shape is long in a room temperature environment. It can be maintained for a period of time, and after that, it can be softened to a degree that it can be molded by reheating to the extent that it can be held by hand and warmed, and it can be provided with the property that it can be molded again.

定規(60cm)と並べて各造形物を置いた状態を上方から撮影した図面代用写真。本発明品によると小サイズの薄片でも良好に造形できることを示すため、従来品では小サイズでの造形が不可能だったフリル(デルモスパラオキピタル)を備えたトリケラトプス類似の動物像を造形した。A drawing substitute photograph taken from above with each model placed side by side with a ruler (60 cm). According to the product of the present invention, in order to show that even small-sized flakes can be modeled well, a triceratops-like animal image with frills (Delmos paraokipital), which was not possible with the conventional product in small size, was modeled. 各造形物の形状を理解し易くするべく図1の各造形物を正面から撮影した図面代用写真。なお、左端の造形物は図1では置かれていないが形状の理解補助のために図2で追加した。A drawing substitute photograph taken from the front of each modeled object in FIG. 1 in order to make it easier to understand the shape of each modeled object. The leftmost model is not placed in FIG. 1, but was added in FIG. 2 to assist in understanding the shape.

以下、本発明の実施の形態を説明する。
タルク(含水珪酸マグネシウム)としては、例えば、平均粒径が50~1[μm] 程度のものを好適に用いることができる。また、食品添加物として提供されているものであれば、安全性の面からも好ましい。
Hereinafter, embodiments of the present invention will be described.
As the talc (hydrous magnesium silicate), for example, one having an average particle size of about 50 to 1 [μm] can be preferably used. Further, if it is provided as a food additive, it is preferable from the viewpoint of safety.

CMC(カルボキシメチルセルロース/カルボキシメチルセルロースナトリウム)としては、1%水溶液・25℃での粘度が800~8000[mPa・s]、好ましくは2000~7000[mPa・s]、更に好ましくは2500~6000[mPa・s]の範囲を、好適に用いることができる。
例えば、ダイセルファインケム株式会社製の「CMCダイセル(同社の登録商標)の品番2200,2260;何れも高純度品でエーテル化度0.8~1.0」や、日本製紙株式会社製の「サンローズ(SUNROSEは同社の登録商標)の品種F」、或いは、第1工業製薬株式会社製の「セロゲン(同社の登録商標)3H,4H,BSH-6,BSH-12,F3H,F-BSH-12,F-6HS9」等が該当するか、又は部分的に該当する。また、食品添加物として提供されているものであれば安全性の面からも好ましい。エーテル化度は、好ましくは0.60~1.00、更に好ましくは、0.65~0.95の範囲を好適に用いることができる。
メチルセルロースとしてもCMCと同等の粘度のものを好適に用いることができる。例えば、信越化学工業株式会社から「メトローズ(同社の登録商標)」の商品名で提供されているものであって、上述したCMCの粘度と同等の粘度のものを好適に用いることができる。
The CMC (carboxymethyl cellulose / sodium carboxymethyl cellulose) has a viscosity of 800 to 8000 [mPa · s], preferably 2000 to 7000 [mPa · s], and more preferably 2500 to 6000 [mPa · s] at a 1% aqueous solution at 25 ° C. The range of [s] can be preferably used.
For example, Daicel FineChem Co., Ltd.'s "CMC Daicel (registered trademark of the company) product numbers 2200, 2260; both are high-purity products with an etherification degree of 0.8 to 1.0" and Nippon Paper Co., Ltd.'s "Sun". Rose (SUNROSE is a registered trademark of the company), "Cerogen (registered trademark of the company) 3H, 4H, BSH-6, BSH-12, F3H, F-BSH-" manufactured by Daicel FineChem Pharmaceutical Co., Ltd. 12, F-6HS9 ”etc. are applicable or partially applicable. Further, if it is provided as a food additive, it is preferable from the viewpoint of safety. The degree of etherification is preferably in the range of 0.60 to 1.00, more preferably 0.65 to 0.95.
As the methyl cellulose, one having a viscosity equivalent to that of CMC can be preferably used. For example, a product provided by Shin-Etsu Chemical Co., Ltd. under the trade name of "Metro's (registered trademark of the same company)" and having a viscosity equivalent to that of CMC described above can be preferably used.

シリコーンオイルとしては、25℃での動粘度が1~1000[mm2/s]、好ましくは10~900[mm2/s]、更に好ましくは50~800[mm2/s]の範囲を好適に用いることができる。また、シリコーンオイルとしては、例えば、ジメチルポリシロキサン等のジメチルシリコーンオイルを好適に用いることができる。例えば、信越化学工業株式会社製の「KF-96」シリーズ等が該当するか、又は部分的に該当する。食品用に提供されている「KF-96ADF」シリーズであれば、安全性の面からも好ましい。 The silicone oil preferably has a kinematic viscosity at 25 ° C. in the range of 1 to 1000 [mm 2 / s], preferably 10 to 900 [mm 2 / s], and more preferably 50 to 800 [mm 2 / s]. Can be used for. Further, as the silicone oil, for example, dimethylsilicone oil such as dimethylpolysiloxane can be preferably used. For example, the "KF-96" series manufactured by Shin-Etsu Chemical Co., Ltd. is applicable or partially applicable. The "KF-96ADF" series provided for food is also preferable from the viewpoint of safety.

以下、実施例、比較例を述べる。
実施例(12例)と比較例(2例)の工作用粘土をそれぞれ作成して、それぞれの特性を評価した。なお、実施例1は、実質的に6例から成る。即ち、CMCの粘度,ジメチルポリシロキサンの動粘度を変えた6例から成る。
(1)実施例1
骨材-1:タルク(含水珪酸マグネシウム) 20[g]
(商品名:食添タルクS-1,平均粒径8.7[μm])
骨材-2:硫酸カルシウム 4[g]
(商品名:食品添加物硫酸カルシウム,物質名:硫酸カルシウム二水和物)
糊剤:CMC 8[g]
(商品名:セロゲンFシリーズ(食品工業用),物質名:カルボキシメチルセルロースナトリウム,25℃・1%水溶液での粘度範囲:3000~5000[mPa・s]で3種(3000,4000,5000程度))
塩化カルシウム:塩化カルシウム 18[g]
(商品名:RS(塩化カルシウム),物質名:塩化カルシウム二水和物)
粘着抑制成分:シリコーンオイル 0.5[g]
(信越化学株式会社,商品名:KF-96ADFシリーズ,物質名:ジメチルポリシロキサン,25℃での動粘度:60~500[mm2/s]で4種(60,150,350,500程度))
水:水 49.5[g]
を、配合して練り合わせた。
ここで、上記CMCの粘度[mPa・s]とジメチルポリシロキサンの動粘度[mm2/s]の組み合わせは、
(1)「3000,60」
(2)「3000,150」
(3)「3000,350」
(4)「3000,500」
(5)「4000,150」
(6)「5000,150」
の6例であり、後述の実施例2~12、及び、比較例1~2で引用する「実施例1」とは、(2)「3000,150」の組み合わせを言う。
評価結果は、他の実施例や比較例とともに表に示す。評価の基準は下記の通り。

(a)2日間冷凍庫に保管した後に取り出したときの状態
×:凍っている, △:少し凍っている, ○:凍っていない
(b)取り出し後、手で2分間持って捏ねたときの軟化の状態
×:軟化しない, △:少し軟化した, ○:軟化した
(c)軟化したときの手触り感
×:手に付着する, △:べたつくが手に付着しない, ○:さらさらしている
(d)造形性
×:脆く壊れて造形できない, △:手間取るが概ね造形可能, ○:造形可能
ここで、評価対象の造形物としては、図1及び図2に示す形状(薄片状の部位を有するトリケラトプス類似の動物像)で、幅が5mm程度のサイズのものとした。
なお、市販の商品で、手への非付着性、伸展性等を謳い、さらに、特許製品である旨を表示(特許番号の表示は見当たらない)している商品を購入して調べたところ、幅3cm以下でトリケラトプス類似の動物像(薄片状の部位を有する像)を造形することはできなかった。
(e)伸展性(造形前の塊状物の両端を持って引っ張ったとき切れた長さ)
×:長さ≦50cm, △:50cm<長さ≦1m, ○:1m<長さ
(f)形状維持性(前記(d)の造形後、室温環境下で2週間放置)
×:崩れた, △:少し崩れた, ○:崩れなかった
(g)リサイクル性(造形後、密封して室温環境下で2週間放置,再造形の可否)
×:再造形不可, △:手間取るが再造形可能, ○:再造形可能
Examples and comparative examples will be described below.
The working clays of Example (12 cases) and Comparative Example (2 cases) were prepared and their characteristics were evaluated. In addition, Example 1 is substantially composed of 6 cases. That is, it consists of 6 cases in which the viscosity of CMC and the kinematic viscosity of dimethylpolysiloxane were changed.
(1) Example 1
Aggregate-1: Talc (hydrous magnesium silicate) 20 [g]
(Product name: food additive talc S-1, average particle size 8.7 [μm])
Aggregate-2: Calcium sulfate 4 [g]
(Product name: food additive calcium sulfate, substance name: calcium sulfate dihydrate)
Adhesive: CMC 8 [g]
(Product name: Cellogen F series (for food industry), Substance name: Sodium carboxymethyl cellulose, Viscosity range at 25 ° C. in 1% aqueous solution: 3000 to 5000 [mPa · s], 3 types (about 3000, 4000, 5000) )
Calcium chloride: Calcium chloride 18 [g]
(Product name: RS (calcium chloride), substance name: calcium chloride dihydrate)
Adhesive inhibitor: Silicone oil 0.5 [g]
(Shin-Etsu Chemical Co., Ltd., product name: KF-96ADF series, substance name: dimethylpolysiloxane, kinematic viscosity at 25 ° C: 60 to 500 [mm 2 / s], 4 types (about 60, 150, 350, 500) )
Water: Water 49.5 [g]
Was mixed and kneaded.
Here, the combination of the viscosity of CMC [mPa · s] and the kinematic viscosity of dimethylpolysiloxane [mm 2 / s] is
(1) "3000, 60"
(2) "3000,150"
(3) "3000,350"
(4) "3000,500"
(5) "4000,150"
(6) "5000,150"
The "Example 1" cited in Examples 2 to 12 and Comparative Examples 1 and 2 described later refers to the combination of (2) "3000, 150".
The evaluation results are shown in the table together with other examples and comparative examples. The evaluation criteria are as follows.
Note (a) State when taken out after being stored in the freezer for 2 days ×: Frozen, △: Slightly frozen, ○: Not frozen (b) After taking out, hold for 2 minutes and knead Softened state ×: Not softened, △: Slightly softened, ○: Softened (c) Feeling when softened ×: Adhering to hands, △: Sticky but not adhering to hands, ○: Smooth ( d) Formability ×: Fragile and broken and cannot be modeled, Δ: It takes time but can be modeled in general, ○: Formable An animal image similar to Triceratops) with a width of about 5 mm.
In addition, when I purchased and investigated a commercially available product that claims non-adhesiveness to the hand, extensibility, etc., and further indicates that it is a patented product (the patent number is not displayed). It was not possible to form an animal image similar to Triceratops (an image having a flaky part) with a width of 3 cm or less.
(E) Extensibility (length cut when pulled by holding both ends of the lump before modeling)
X: Length ≤ 50 cm, Δ: 50 cm <Length ≤ 1 m, ◯: 1 m <Length (f) Shape retention (after the modeling in (d) above, leave it in a room temperature environment for 2 weeks)
×: Collapsed, △: Slightly collapsed, ○: Not collapsed (g) Recyclability (after modeling, seal and leave in room temperature environment for 2 weeks, remodeling possible)
×: Remodeling is not possible, △: It takes time, but remodeling is possible, ○: Remodeling is possible

以下の実施例2~12、及び、比較例1~2で引用する「実施例1」とは、前記した実施例1の(1)~(6)の中の(2)の組み合わせ、即ち、
CMC:25℃・1%水溶液での粘度が3000[mPa・s]程度、
ジメチルポリシロキサン:25℃での動粘度が150[mm2/s]程度、
の組み合わせの例を言う。
The "Example 1" referred to in Examples 2 to 12 and Comparative Examples 1 and 2 below is a combination of (2) in (1) to (6) of Example 1 described above, that is,
CMC: Viscosity at 25 ° C. in 1% aqueous solution is about 3000 [mPa · s],
Dimethylpolysiloxane: kinematic viscosity at 25 ° C is about 150 [mm 2 / s],
Here is an example of a combination of.

(2)実施例2(粘着抑制成分少なめ)
粘着抑制成分である「ジメチルポリシロキサン」を「0.2[g]」(少なめ)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(3)実施例3(粘着抑制成分多め)
粘着抑制成分である「ジメチルポリシロキサン」を「1.9[g]」(多め)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(4)実施例4(粘着抑制成分かなり少なめ)
粘着抑制成分である「ジメチルポリシロキサン」を「0.05[g]」(かなり少なめ)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(5)実施例5(粘着抑制成分かなり多め)
粘着抑制成分である「ジメチルポリシロキサン」を「2.1[g]」(かなり多め)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(2) Example 2 (less adhesive inhibitor)
Work clay was prepared with the same materials and formulations as in Example 1 except that "dimethylpolysiloxane", which is an adhesive suppressing component, was set to "0.2 [g]" (less).
(3) Example 3 (more adhesive inhibitor component)
Work clay was prepared with the same materials and formulations as in Example 1 except that "dimethylpolysiloxane", which is an adhesive suppressing component, was set to "1.9 [g]" (more).
(4) Example 4 (adhesion-suppressing component is considerably less)
Work clay was prepared with the same materials and formulations as in Example 1 except that "dimethylpolysiloxane", which is an adhesive suppressing component, was set to "0.05 [g]" (quite less).
(5) Example 5 (adhesion-suppressing component considerably large)
A clay for work was prepared with the same materials and formulations as in Example 1 except that "dimethylpolysiloxane", which is an adhesive suppressing component, was set to "2.1 [g]" (a considerably large amount).

(6)実施例6(水少なめ)
水を「42[g]」(少なめ)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(7)実施例7(水多め)
水を「58[g]」(多め)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(8)実施例8(水かなり少なめ)
水を「35[g]」(かなり少なめ)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(9)実施例9(水かなり多め)
水を「65[g]」(かなり多め)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(10)実施例10(CMC低粘度)
CMCの粘度を「1000[mPa・s](低粘度)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(11)実施例11(CMC高粘度)
CMCの粘度を「6000[mPa・s](高粘度)とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(6) Example 6 (less water)
Work clay was prepared with the same materials and formulations as in Example 1 except that the water was set to "42 [g]" (less).
(7) Example 7 (more water)
Work clay was prepared with the same materials and formulations as in Example 1 except that the water was set to "58 [g]" (more).
(8) Example 8 (water is considerably less)
Work clay was prepared with the same materials and formulations as in Example 1 except that the water was set to "35 [g]" (quite less).
(9) Example 9 (quite a lot of water)
Work clay was prepared with the same materials and formulations as in Example 1 except that the water was set to "65 [g]" (quite large).
(10) Example 10 (CMC low viscosity)
Work clay was prepared with the same materials and formulations as in Example 1 except that the viscosity of CMC was set to "1000 [mPa · s] (low viscosity).
(11) Example 11 (CMC high viscosity)
Work clay was prepared with the same materials and formulations as in Example 1 except that the viscosity of CMC was set to "6000 [mPa · s] (high viscosity).

(12)実施例12(ジメチルポリシロキサン高粘度)
ジメチルポリシロキサンの25℃での動粘度:950[mm2/s]とした他は、実施例1と同じ材料・配合で、工作用粘土を作成した。
(12) Example 12 (Didimethylpolysiloxane high viscosity)
Work clay was prepared with the same materials and formulations as in Example 1 except that the kinematic viscosity of dimethylpolysiloxane at 25 ° C. was 950 [mm 2 / s].

(13)比較例1(塩化カルシウム無し)
実施例1に於いて塩化カルシウムを用いること無く作成した。
練り合わせようとしても、ダマになってべたつき、練り合わすことが極めて困難で、工作用の粘土と言い得るものを作成できなかった。
(14)比較例2(粘着抑制成分無し)
実施例1に於いてシリコーンオイルを用いること無く作成した。
べたつき感がひどく、手に酷く付着するため、本発明の目的に適う「工作用粘土」と言い得るものではなかった。
(13) Comparative Example 1 (without calcium chloride)
It was prepared in Example 1 without using calcium chloride.
Even when I tried to knead it, it became lumpy and sticky, and it was extremely difficult to knead it, so I could not make what could be called clay for work.
(14) Comparative Example 2 (without adhesive inhibitor)
It was prepared in Example 1 without using silicone oil.
It was not a "working clay" suitable for the purpose of the present invention because it was very sticky and adhered severely to the hands.

Figure 0007066146000001
Figure 0007066146000001

実施例1~3、6、7より分かるように、骨材であるタルク12~36質量%と、第1の糊剤であるCMC4~12質量%と、第2の糊剤である塩化カルシウム9~27質量%と、離型剤であるジメチルポリシロキサン0.1~2質量%と、水40~60質量%を、合計で100質量%となる配合としたとき、十分に良好な結果を得た。 As can be seen from Examples 1 to 3, 6 and 7, talc 12 to 36% by mass as an aggregate, CMC 4 to 12% by mass as a first adhesive, and calcium chloride 9 as a second adhesive. Sufficiently good results were obtained when ~ 27% by mass, 0.1 to 2% by mass of dimethylpolysiloxane as a release agent, and 40 to 60% by mass of water were blended to a total of 100% by mass. rice field.

実施例1と実施例4から分かるように、シリコーンオイルを少なめとした場合は、手で持ったときに「若干のべたつき感」は生じたが、手に付着はしなかった。また、実施例1と実施例5から分かるように、シリコーンオイルを多めとした場合は、手で持ったとき軟化はしたが速やかではなく、手に付着はしなかったが、若干のべたつき感は生じた。
なお、実施例4と5の何れも、一応は、本発明の目的に適う程度であった。
As can be seen from Examples 1 and 4, when the amount of silicone oil was small, a "slight sticky feeling" occurred when the silicone oil was held by hand, but it did not adhere to the hands. Further, as can be seen from Examples 1 and 5, when a large amount of silicone oil was used, it softened when held by hand but was not rapid and did not adhere to the hands, but a slight sticky feeling was felt. occured.
It should be noted that all of Examples 4 and 5 were tentatively suitable for the object of the present invention.

実施例1と実施例8から分かるように、水を少なめとした場合は、造形性、伸展性、形状維持性に若干の問題は生じたが、一応は、本発明の目的に適う程度であった。
また、実施例1と実施例9から分かるように、水を多めとした場合は、手で持ったとき速やかには軟化せず、手に付着はしなかったが若干のべたつき感は生じた。また、伸展性に若干の問題が生じた。なお、何れも、一応は、本発明の目的に適う程度であった。
As can be seen from Examples 1 and 8, when the amount of water was reduced, there were some problems in formability, extensibility, and shape retention, but for the time being, it was only suitable for the object of the present invention. rice field.
Further, as can be seen from Examples 1 and 9, when a large amount of water was used, it did not soften quickly when held by hand and did not adhere to the hand, but a slight sticky feeling occurred. In addition, there was a slight problem in extensibility. In addition, all of them were tentatively suitable for the object of the present invention.

実施例1と実施例10から分かるように、CMCの粘度を低粘度とした場合は手に付着はしないが若干のべたつき感は生じた。また、造形性、形状維持性にも若干の問題が生じた。また、実施例1と実施例11から分かるように、CMCの粘度を高粘度とした場合は手に付着はしないが若干のべたつき感は生じた。また、造形性、伸展性にも若干の問題が生じた。なお、実施例10と11の何れも、一応は、本発明の目的に適う程度であった。 As can be seen from Examples 1 and 10, when the viscosity of CMC was set to low viscosity, it did not adhere to the hand, but a slight sticky feeling occurred. In addition, there are some problems in formability and shape retention. Further, as can be seen from Examples 1 and 11, when the viscosity of CMC was set to high viscosity, it did not adhere to the hand, but a slight sticky feeling occurred. In addition, there were some problems in formability and extensibility. In addition, all of Examples 10 and 11 were tentatively suitable for the object of the present invention.

また、実施例1と実施例12から分かるように、シリコーンオイルの動粘度を高粘度とした場合、若干のべたつき感は生じたが、手に付着はせず、一応は、本発明の目的に適う程度であった。 Further, as can be seen from Examples 1 and 12, when the kinematic viscosity of the silicone oil was set to high viscosity, a slight sticky feeling occurred, but it did not adhere to the hand, and for the time being, it was the object of the present invention. It was suitable.

比較例1から分かるように、塩化カルシウムを欠いた場合、実施例と比較するまでもなく、そもそも、工作用粘土と言い得るものを作成することはできなかった。
また、比較例2から分かるように、シリコーンオイルを欠いた場合、粘土は作成できたが、本発明の目的に適う工作用粘土と言い得るものではなかった。
As can be seen from Comparative Example 1, in the case of lacking calcium chloride, it was not possible to produce what could be called working clay in the first place, without comparing with Examples.
Further, as can be seen from Comparative Example 2, when the silicone oil was lacking, clay could be produced, but it could not be said to be a working clay suitable for the object of the present invention.

なお、CMCに代えて、及び/又は、CMCとともに、コーンスターチ、メチルセルロース、マンナン粉、多糖類の1種以上を用いて実施例1(実施例2~12、比較例1~2で引用した実施例1と同じ)と同様に配合した場合も、良好な結果を得た。
同様に、ジメチルポリシロキサンに代えて、及び/又は、ジメチルポリシロキサンとともに、ヒアルロン酸ナトリウム、グリセリン、プロピレングリコールの1種以上を用いて実施例1(実施例2~12、比較例1~2で引用した実施例1と同じ)と同様に配合した場合も、良好な結果を得た。
また、塩化カルシウムを配合することにより、本発明の目的に適う粘土を得られるとともに、防腐効果や防黴効果を得られた。
また、表の評価には示さなかったが、タルクを配合することにより、剥離性、硬化性、軟化防止、付着防止に、良好な結果を得た。
また、硫酸カルシウムを配合することにより、抗菌効果を得られた。
In addition, instead of CMC and / or using one or more of cornstarch, methylcellulose, mannan powder, and polysaccharide together with CMC, Examples 1 (Examples 2 to 12 and Comparative Examples 1 and 2) were cited. Good results were also obtained when blended in the same manner as in 1).
Similarly, in Example 1 (Examples 2 to 12, Comparative Examples 1 to 2) using one or more of sodium hyaluronate, glycerin, and propylene glycol in place of dimethylpolysiloxane and / or together with dimethylpolysiloxane. Good results were also obtained when blended in the same manner as in Example 1 cited).
Further, by blending calcium chloride, a clay suitable for the object of the present invention was obtained, and an antiseptic effect and an antifungal effect were obtained.
In addition, although not shown in the evaluation in the table, good results were obtained in terms of peelability, curability, softening prevention, and adhesion prevention by adding talc.
In addition, an antibacterial effect was obtained by blending calcium sulfate.

また、実施例1(実施例2~12、比較例1~2で引用した実施例1と同じ)と同じ配合で作成したサンプルについて、三栄源エフエフアイ(株)製の合成色素「商品名:食用赤色106号」を微量添加することにより、問題無く「赤色」に着色できた。
同様に、「商品名:青色1号」を微量添加することにより、問題無く「青色」に着色でき、「商品名:黄色4号,黄色5号」を微量添加することにより、問題無く「黄色」に着色でき、「(株)日本エイム製・商品名:竹炭パウダー」を微量添加することにより、問題無く「黒色」に着色できた。
Further, for a sample prepared with the same composition as in Example 1 (the same as in Examples 1 cited in Examples 2 to 12 and Comparative Examples 1 and 2), a synthetic dye "trade name:" manufactured by Saneigen FFI Co., Ltd. By adding a small amount of "edible red No. 106", it was possible to color "red" without any problem.
Similarly, by adding a small amount of "trade name: Blue No. 1", it can be colored "blue" without any problem, and by adding a small amount of "trade name: Yellow No. 4, Yellow No. 5", there is no problem with "yellow". By adding a small amount of "Nippon Aim Co., Ltd., trade name: bamboo charcoal powder", it was possible to color "black" without any problem.

Claims (5)

骨材と、第1の糊剤と、第2の糊剤である塩化カルシウムと、粘着抑制成分と、水を練り合わせて成り、
前記骨材はタルクを含み、
前記第1の糊剤は、CMC、メチルセルロース、コーンスターチ、マンナン粉、多糖類から選ばれた1種以上を含み、
前記粘着抑制成分は、シリコーンオイル、グリセリン、プロピレングリコール、ヒアルロン酸ナトリウムから選ばれた1種以上を含
前記骨材は12~36質量%、前記第1の糊剤は4~12質量%、前記第2の糊剤である塩化カルシウムは9~27質量%、前記粘着抑制成分は0.1~2質量%、前記水は40~60質量%の範囲であり、合計で100質量%である、
ことを特徴とする工作用粘土。
It is made by kneading aggregate, a first adhesive, a second adhesive, calcium chloride, an adhesive inhibitor, and water.
The aggregate contains talc and
The first adhesive contains one or more selected from CMC, methylcellulose, cornstarch, mannan powder, and polysaccharides.
The pressure-sensitive adhesive component contains one or more selected from silicone oil, glycerin, propylene glycol, and sodium hyaluronate.
The aggregate is 12 to 36% by mass, the first sizing agent is 4 to 12% by mass, the second sizing agent is calcium chloride is 9 to 27% by mass, and the adhesion suppressing component is 0.1 to 2%. By mass, the water is in the range of 40-60% by mass, for a total of 100% by mass.
Work clay characterized by that.
請求項1に於いて、
前記骨材は、さらに、硫酸カルシウム、硫酸ナトリウム、硫酸マグネシウム、二酸化珪素、炭酸マグネシウム、卵殻から選ばれた1種以上を含む、
ことを特徴とする工作用粘土。
In claim 1,
The aggregate further comprises one or more selected from calcium sulfate, sodium sulfate, magnesium sulfate, silicon dioxide, magnesium carbonate, eggshell .
Work clay characterized by that.
請求項1又は請求項2に於いて、
前記第1の糊剤はCMCを必須的に含む、
ことを特徴とする工作用粘土。
In claim 1 or claim 2.
The first adhesive essentially comprises CMC,
Work clay characterized by that.
請求項1~請求項3の何れかに於いて、
前記粘着抑制成分はシリコーンオイルを必須的に含む、
ことを特徴とする工作用粘土。
In any one of claims 1 to 3,
The anti-adhesive component essentially contains silicone oil.
Work clay characterized by that.
請求項4に於いて、
前記シリコーンオイルはジメチルポリシロキサンである、
ことを特徴とする工作用粘土。
In claim 4,
The silicone oil is dimethylpolysiloxane,
Work clay characterized by that.
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