JP6168512B2 - Molded article forming material for firing and molded article forming method - Google Patents
Molded article forming material for firing and molded article forming method Download PDFInfo
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Description
本発明は、焼成用造形物形成材料及び造形物形成方法に関する。 The present invention relates to a firing shaped article forming material and a shaped article forming method.
焼成用造形物形成材料は、従来例えば焼成することにより金属光沢が出る材料として銀粘土と称するものがあり、これは銀粉末、水分、有機バインダー、界面活性剤等の混合物で、粘土状の可塑性物に形成してあるものがあり（例えば、特許文献１参照）、また、その銀粘土による造形物の形成方法（例えば、特許文献２参照）が、知られている。 For example, as a material for forming a molded article for firing, there is a material called silver clay as a material that gives a metallic luster by firing, for example, and this is a mixture of silver powder, moisture, an organic binder, a surfactant, etc. There is what is formed in a thing (for example, refer to patent documents 1), and the formation method (for example, refer to patent documents 2) of the modeling thing by the silver clay is known.
上述した従来の銀粘土は、予め常温で成形した造形物を、焼成により銀粉末どうしが融着して造形物の形状を維持したまま銀の塊になるものである。
しかし、その表面は、焼結現象による融着のために、表面が凹凸で銀が露出しているために、金属光沢を得るためには表面を研磨する必要があったり、空気中で銀表面が腐食して黒化したりする問題点がある。
The above-mentioned conventional silver clay is a lump of silver that is preliminarily molded at room temperature and the silver powder is fused by firing to maintain the shape of the model.
However, because the surface is uneven and the silver is exposed due to fusion due to the sintering phenomenon, it is necessary to polish the surface to obtain a metallic luster, or in the air the silver surface There is a problem that the steel corrodes and blackens.
従って、本発明の目的は、上記問題点を解消し、常温で造形できながら焼成を行っても、従来の銀粘土などにない特徴が得られるものを提供するところにある。 Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a material that has characteristics not found in conventional silver clay and the like even if firing is performed while being shaped at room temperature.
本発明の第１の焼成用造形物形成材料の特徴構成は、貴金属粉末を１００重量部に対して、Ｂｉ2Ｏ3を７０〜９０質量％、ＺｎＯを１〜２０質量％、Ｂ2Ｏ3を１〜２０質量％で、且つ、０．１μｍ〜１０ｍｍの粒径からなるガラス組成物の粉末を３０〜９９重量部を配合し、前記貴金属粉末及び前記ガラス組成物の粉末からなる混合粉末１００重量部に対して、焼成時に気体になって消失する水、油、有機バインダーの中から選択された少なくとも１種から成る液体を、常温で所定形状に成形体を造形可能に、５〜１００重量部添加して可塑性材にしたところにある。 The first characteristic feature of the firing shaped object forming material of the present invention, with respect to 100 parts by weight of the precious metal powder, the Bi 2 O 3 70 to 90 wt%, 20 wt% of ZnO, B 2 O 3 1 to 20% by mass, and 30 to 99 parts by weight of a glass composition powder having a particle diameter of 0.1 μm to 10 mm is blended, and a mixed powder 100 comprising the noble metal powder and the glass composition powder. 5 to 100 weights with respect to parts by weight so that a molded body can be formed into a predetermined shape at room temperature with a liquid consisting of at least one selected from water, oil, and organic binder that disappears as a gas upon firing. It is in the place where a part was added to make a plastic material.
本発明の第１の特徴構成によれば、貴金属粉末とガラス組成物の混合粉末１００重量部に、５〜１００重量部の液体を添加して可塑性材にしてあるために、粘土を成形するように常温で自在な形状に造形でき、その造形した可塑性材を、焼成することにより貴金属粉末が焼結して金属塊になろうとするばかりか、貴金属粉末１００重量部に対して３０〜９９重量部のガラス組成物が軟化溶融して金属表面に保護被膜を形成し、そのために、金属塊の表面は腐食しにくく、光沢が得られる。
また、ガラス組成物に含まれる酸化物が金属粉と化学反応を起こすと、鮮やかな色彩が得られる。
従って、使用する金属粉が金属特有の光沢のある表面状態を、長期に亘って維持し、且つ、本来金属にはない質感や色彩を表面に持った造形物が得られる。
According to the first characteristic configuration of the present invention, 5-100 parts by weight of a liquid is added to 100 parts by weight of the mixed powder of the noble metal powder and the glass composition, so that the clay is molded. Can be shaped into any shape at room temperature, and the shaped plastic material is not only sintered into a metal lump by firing, but also 30 to 99 parts by weight with respect to 100 parts by weight of the noble metal powder. The glass composition softens and melts to form a protective film on the metal surface, and the surface of the metal lump is less likely to corrode and gloss is obtained.
Moreover, a vivid color is obtained when the oxide contained in the glass composition causes a chemical reaction with the metal powder.
Therefore, the metal powder to be used maintains a glossy surface state peculiar to metal for a long period of time, and a shaped article having a texture and color that are not originally found in metal can be obtained.
水、油、有機バインダーの中から選択された少なくとも１種から成る液体が、混合粉体１００重量部に対して５〜１００重量部添加してあるために、常温で造形しやすく、しかも、前記液体は焼成時には気体になって消失し、造形物の強度が大きくなる。
従って、造形しやすくしながら高強度の造形物を形成することができる。
Since the liquid consisting of at least one selected from water, oil and organic binder is added in an amount of 5 to 100 parts by weight with respect to 100 parts by weight of the mixed powder, it is easy to form at room temperature, The liquid disappears as a gas upon firing, and the strength of the shaped object increases.
Therefore, it is possible to form a high-strength shaped object while facilitating modeling.
ガラス組成物の粒径が０．１μｍより小さくなると、ガラス組成物、自体の製造が困難になり、１０ｍｍより大きくなると、可塑性材を形成するのが困難になるために、０．１μｍ〜１０ｍｍの粒径のガラス組成物により、本発明の焼成用造形物形成材料を良好に製造できる。 When the particle size of the glass composition is smaller than 0.1 μm, it becomes difficult to produce the glass composition itself, and when it is larger than 10 mm, it becomes difficult to form a plastic material. With the glass composition having a particle diameter, the shaped article forming material for firing of the present invention can be produced satisfactorily.
本発明の第２の特徴構成は、前記可塑性材を用いて所定形状の成形体を造形し、その成形体を乾燥した後、前記成形体をバーナーで加熱して、前記貴金属粉末又は前記ガラス組成物の内の少なくとも一方を溶融させて前記成形体を一体化するところにある。 According to a second characteristic configuration of the present invention, a molded body having a predetermined shape is formed using the plastic material, and after drying the molded body, the molded body is heated with a burner, and the noble metal powder or the glass composition is formed. The molded body is integrated by melting at least one of the objects.
本発明の第２の特徴構成によれば、前記成形体をバーナーで加熱することにより、短時間で成形体表面にガラス組成物の軟化による保護皮膜層を形成でき、成形体全体の形状を変形させずに強固な造形物を製造できる。 According to the second characteristic configuration of the present invention, by heating the molded body with a burner, a protective coating layer can be formed on the surface of the molded body in a short time by softening the glass composition, and the shape of the entire molded body is deformed. It is possible to produce a strong model without making it.
金属の特色である光沢ばかりか、ガラスとの反応で生じる発色を具備した独特の造形物が得られる。
また、ガラスの有する光沢が、金属を一層輝かせることができるばかりか、長期に亘ってその輝きが維持できる造形物を形成することができる。
A unique shaped object having not only the gloss that is a characteristic of metal but also a color produced by reaction with glass can be obtained.
Moreover, the gloss which glass has can not only make a metal shine more, but can also form the molded article which can maintain the shine over a long period of time.
以下に本発明の実施の形態を図面に基づいて説明する。
本発明の焼成用造形物形成材料は、金属粉末を１００重量部に対して、ガラス組成物の粉末を０.１〜９９重量部を配合し、金属粉末及びガラス組成物の粉末からなる混合粉末１００重量部に対して液体を５〜１００重量部添加して可塑性材にしてある。
前記金属粉末としては、金、銀、白金等の貴金属粉を一種以上使用し、ガラス組成物は、粒径０．１μｍ〜１０ｍｍの酸化鉛や酸化ビスマスを主成分とする低融点ガラスとして、例えば、Ｂｉ2Ｏ3を７０〜９０質量％、ＺｎＯを１〜２０質量％、Ｂ2Ｏ3を１〜２０質量％のガラス組成物、又は、ガラス瓶や板ガラス等に使用される高融点ガラス、あるいは、それらの両方のガラスを混合したりして使用される。
また、前記液体は、水、油、有機バインダーの中から選択された少なくとも１種から成るものが使用され、可塑性材の加工形状や焼成温度、あるいは、混合粉末の粒径や混合割合によって選択使用される。
Embodiments of the present invention will be described below with reference to the drawings.
The molded article forming material for firing according to the present invention is a mixed powder comprising 100 parts by weight of metal powder and 0.1 to 99 parts by weight of glass composition powder, and consisting of metal powder and glass composition powder. The liquid is added to 5 to 100 parts by weight with respect to 100 parts by weight to obtain a plastic material.
As the metal powder, one or more precious metal powders such as gold, silver, and platinum are used, and the glass composition is, for example, a low melting point glass mainly composed of lead oxide or bismuth oxide having a particle size of 0.1 μm to 10 mm. , Bi 2 O 3 of 70 to 90% by mass, ZnO of 1 to 20% by mass, B 2 O 3 of 1 to 20% by mass of glass composition, or high melting point glass used for glass bottles, plate glass, etc., or They are used by mixing both glasses.
The liquid is made of at least one selected from water, oil, and organic binder, and is selected and used depending on the processing shape and firing temperature of the plastic material, or the particle size and mixing ratio of the mixed powder. Is done.
次に、焼成用造形物形成材料による造形物形成方法を説明する。
（焼成用造形物形成材料による造形物形成方法）
前記可塑性材を用いて、常温で粘土を用いて成形するように所定形状の成形体を造形し、乾燥工程によりその成形体中の含有液体の一部を気化させて形状を安定化した後、加熱炉内での焼成工程によって、金属粉末又はガラス組成物の内の少なくとも一方を溶融させて成形体を一体化する。
Next, a method for forming a shaped article using a shaped article for firing is described.
(Model formation method using a model formation material for firing)
Using the plastic material, after shaping a molded body of a predetermined shape so as to be molded using clay at room temperature, after stabilizing the shape by vaporizing a part of the liquid contained in the molded body by a drying process, In the baking step in the heating furnace, at least one of the metal powder and the glass composition is melted to integrate the formed body.
次に、前記焼成用造形物形成材料によりペンダント等のアクセサリーを、銀（Ａｇ）粉末１００重量部に対して、ガラス組成物の粉末を３０重量部配合し、それらの混合粉末１００重量部に対して有機バインダーを２５重量部添加して粘土状の可塑性材にした材料を使用して、製作した例の写真を、図１〜図３に示す。
図１の写真のリング形状に成形して焼成した第１アクセサリー１は、焼成によって銀の光沢を示す金属光沢部２と、金属がガラス組成物と化学反応して発色した発色部３とが形成されている。
図２の写真では、リング状の第２アクセサリー４、及び、略ひし形の第３アクセサリー５の主装飾部７に対する枠体６は、焼成により銀（Ａｇ）の金属光沢が出ているもので、その銀の表面がガラス層に覆われて光沢を更に強くしている。
図３に示す第４アクセサリー８は、主装飾部７の周囲を取り囲む枠体６を、本発明の造形物形成材料で形成されたものである。
この枠体６も、焼成により銀の金属光沢がガラスの被覆層により、更に強調されている。
Next, 30 parts by weight of the glass composition powder is blended with 100 parts by weight of the silver (Ag) powder and the accessory such as a pendant with the shaped article forming material for firing, and with respect to 100 parts by weight of the mixed powder. FIGS. 1 to 3 show photographs of examples manufactured using a material made of clay-like plastic by adding 25 parts by weight of an organic binder.
The first accessory 1 formed and fired into the ring shape shown in FIG. 1 is formed with a metallic luster portion 2 that shows silver luster by firing and a coloring portion 3 that is colored by the chemical reaction of the metal with the glass composition. Has been.
In the photograph of FIG. 2, the frame body 6 for the main decorative portion 7 of the ring-shaped second accessory 4 and the substantially diamond-shaped third accessory 5 has a metallic luster of silver (Ag) due to firing, The silver surface is covered with a glass layer to further enhance the gloss.
The 4th accessory 8 shown in FIG. 3 forms the frame 6 surrounding the circumference | surroundings of the main decoration part 7 with the molded article formation material of this invention.
Also in this frame body 6, the metallic luster of silver is further emphasized by the glass coating layer by firing.
〔別実施形態〕
以下に他の実施の形態を説明する。
〈１〉 前記金属粉末は、上記貴金属以外の金属を使用することもでき、この場合には、貴金属にはない酸化物や、硫化物などの異なった状態の金属化合物として、特有の色彩の表面状態を有する造形物が得られる。
〈２〉 前記焼成用造形物形成材料による造形物形成方法以外の方法としては、成形体を乾燥した後、成形体をバーナーで加熱して、金属粉末又はガラス組成物の内の少なくとも一方を溶融させて成形体を一体化するようにしてもよい。
[Another embodiment]
Other embodiments will be described below.
<1> The metal powder may use a metal other than the noble metal. In this case, a surface of a specific color as a metal compound in a different state such as an oxide or sulfide that is not present in the noble metal. A shaped object having a state is obtained.
<2> As a method other than the molded object forming method using the molded object forming material for firing, after drying the molded body, the molded body is heated with a burner to melt at least one of the metal powder or the glass composition. You may make it make a molded object integrate.
１ 第１アクセサリー
２ 金属光沢部
３ 発色部
４ 第２アクセサリー
５ 第３アクセサリー
６ 枠体
７ 主装飾部
８ 第４アクセサリー
DESCRIPTION OF SYMBOLS 1 1st accessory 2 Metal gloss part 3 Color development part 4 2nd accessory 5 3rd accessory 6 Frame 7 Main decoration part 8 4th accessory
Claims (2)
Ｂｉ2Ｏ3を７０〜９０質量％、ＺｎＯを１〜２０質量％、Ｂ2Ｏ3を１〜２０質量％で、且つ、０．１μｍ〜１０ｍｍの粒径からなるガラス組成物の粉末を３０〜９９重量部を配合し、
前記貴金属粉末及び前記ガラス組成物の粉末からなる混合粉末１００重量部に対して、焼成時に気体になって消失する水、油、有機バインダーの中から選択された少なくとも１種から成る液体を、常温で所定形状に成形体を造形可能に、５〜１００重量部添加して可塑性材にしてある焼成用造形物形成材料。 100 parts by weight of noble metal powder,
30 to 90% by weight of Bi 2 O 3 , 1 to 20% by weight of ZnO, 1 to 20% by weight of B 2 O 3 , and 30 powder of a glass composition having a particle size of 0.1 μm to 10 mm. ~ 99 parts by weight,
A liquid composed of at least one selected from water, oil, and an organic binder, which disappears as a gas upon firing, with respect to 100 parts by weight of the mixed powder composed of the noble metal powder and the glass composition powder, A molded article forming material for firing, which is made into a plastic material by adding 5 to 100 parts by weight so that the molded body can be shaped into a predetermined shape.
その成形体を乾燥した後、前記成形体をバーナーで加熱して、前記貴金属粉末又は前記ガラス組成物の内の少なくとも一方を溶融させて前記成形体を一体化する造形物形成方法。 Using the plastic material according to claim 1 to form a molded body having a predetermined shape,
A method of forming a molded article, in which, after the molded body is dried, the molded body is heated by a burner to melt at least one of the noble metal powder or the glass composition to integrate the molded body.
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| JPH08134501A (en) * | 1994-11-09 | 1996-05-28 | Aida Kagaku Kogyo Kk | Sintered material for noble-metal product |
| JP2000080404A (en) * | 1998-06-26 | 2000-03-21 | Mitsubishi Materials Corp | Method for firing noble metal clay and jig for firing |
| JP4532621B2 (en) * | 1999-05-24 | 2010-08-25 | 相田化学工業株式会社 | Precious metal sintering composition and method for producing precious metal decorative product |
| JP3784342B2 (en) * | 2002-04-10 | 2006-06-07 | 相田化学工業株式会社 | Decorative product and method of manufacturing the same |
| JP4297896B2 (en) * | 2005-10-25 | 2009-07-15 | 相田化学工業株式会社 | Precious metal paste, method for producing decorative article, and method for producing precious metal product |
| JP2008169426A (en) * | 2007-01-11 | 2008-07-24 | Aida Kagaku Kogyo Kk | Composition of lightweight precious metal to be sintered, sintered body of lightweight precious metal, and method for manufacturing sintered body of lightweight precious metal |
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