JPH0428656B2 - - Google Patents
Info
- Publication number
- JPH0428656B2 JPH0428656B2 JP30742986A JP30742986A JPH0428656B2 JP H0428656 B2 JPH0428656 B2 JP H0428656B2 JP 30742986 A JP30742986 A JP 30742986A JP 30742986 A JP30742986 A JP 30742986A JP H0428656 B2 JPH0428656 B2 JP H0428656B2
- Authority
- JP
- Japan
- Prior art keywords
- pigment
- neodymium
- glaze
- pigments
- fired
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000049 pigment Substances 0.000 claims description 22
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 claims description 5
- 230000031700 light absorption Effects 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010304 firing Methods 0.000 description 8
- 239000003973 paint Substances 0.000 description 5
- 229910052573 porcelain Inorganic materials 0.000 description 5
- 235000019646 color tone Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Description
【発明の詳細な説明】
(イ) 産業上の利用分野
本発明は陶磁器の加飾のために利用する顔料に
関し、さらに詳記すれば本焼でも使用でき、自然
光と人工光とで色調が変化するネオジウムの特異
な光の吸収特性を有する顔料に関する。[Detailed description of the invention] (a) Industrial application field The present invention relates to pigments used for decorating ceramics, and more specifically, pigments that can be used in hon-yaki, and whose color tone changes depending on natural light and artificial light. This invention relates to pigments that have the unique light absorption properties of neodymium.
(ロ) 従来の技術
陶磁器の加飾には下絵付け用・上絵付け用など
多くの絵具が用いられているものの、波佐見焼・
三川内焼などの磁器の本焼用絵具としては、色の
種類が少ない。また自然光と人工光とで色調が変
化するネオジウムを主成分とする顔料は使用され
ていない。(b) Conventional technology Although many paints are used to decorate ceramics, including underpainting and overpainting, Hasami ware and
There are only a few colors available for the final firing of porcelain such as Mikawachi ware. Additionally, it does not contain neodymium-based pigments that change color depending on natural and artificial light.
(ハ) 発明が解決しようとする問題点
磁器の本焼用絵具が少ない理由は、焼成温度が
SK10番（1300℃）以上の高火度焼成であり、な
おかつ還元焼成を行つているため、絵具の顔料組
成物が分解したり、釉薬に溶けてしまうためであ
る。そのため現在本焼用絵具の顔料として用いら
れているものは、アルミナ系・ジルコン系・ジル
コニア系・スピネル系などの限られた結晶構造を
持つ化合物であり、色調も限られている。(c) Problems to be solved by the invention The reason why there are few colors for final firing of porcelain is because the firing temperature is low.
This is because the paint is fired at a high temperature of SK10 (1300℃) or higher, and is also subjected to reduction firing, which can cause the pigment composition of the paint to decompose or dissolve into the glaze. For this reason, the pigments currently used in hon-firing paints are compounds with limited crystal structures such as alumina, zircon, zirconia, and spinel, and their color tones are also limited.
一方ネオジウムは特異な光の吸収特性を持つて
おり、自然光と蛍光燈のような人工光とでは色調
が変化する二色性がある。この性質を陶磁器顔料
に利用することが従来から試みられてきたが（名
古屋工業技術試験所報告、５，３，147〜150）、
今までのところ有効な顔料は開発されていない。 On the other hand, neodymium has unique light absorption properties, and is dichroic, meaning that its color tone changes when exposed to natural light and artificial light such as fluorescent lights. Previous attempts have been made to utilize this property in ceramic pigments (Nagoya Industrial Technology Research Institute Report, 5, 3, 147-150).
So far no effective pigments have been developed.
(ニ) 問題点を解決するための手段
本発明では、ネオジウムを含み従来の顔料には
無い結晶構造を有する物質として、Nd2O3・
Al2O3を利用することにより、高温の還元焼成下
においても発色させることが可能であり、陶磁器
の加飾に際して下絵付け用顔料あるいは色釉の着
色用顔料として有効な、本焼用の陶磁器顔料とす
ることができる。(d) Means for solving the problems In the present invention, Nd 2 O 3 is used as a substance containing neodymium and having a crystal structure not found in conventional pigments.
By using Al 2 O 3 , it is possible to develop color even under high-temperature reduction firing, and it is effective as a pigment for underpainting or for coloring colored glazes when decorating ceramics. It can be a pigment.
(ホ) 作用
本発明で利用しているNd2O3・Al2O3は三方晶
に属するペロブスカイト型構造を有し、2165℃の
融点を持つ物質である（名古屋工業技術試験所報
告、27，４，131〜137）。本組成物は酸化ネオジ
ウムと酸化アルミニウムをモル比で１：１の割合
で混合して焼成することにより得られ、焼成物を
微粉砕して顔料として用いる。(E) Effect Nd 2 O 3・Al 2 O 3 used in the present invention has a trigonal perovskite structure and has a melting point of 2165°C (Nagoya Institute of Technology Report, 27 , 4, 131-137). This composition is obtained by mixing neodymium oxide and aluminum oxide in a molar ratio of 1:1 and firing the mixture, and the fired product is pulverized and used as a pigment.
下絵付け用の顔料として用いる場合は、素焼し
た素地に筆などで着色した後施釉し、また色釉と
して用いる場合は釉薬と混合した後施釉し、それ
ぞれ本焼きすることにより発色させる。 When used as a pigment for underpainting, it is colored with a brush or the like on an unglazed base and then glazed. When used as a colored glaze, it is mixed with a glaze and then glazed, and then fired to develop the color.
(ヘ) 実施例
１ 下絵付け用顔料としての利用方法
酸化ネオジウムと酸化アルミニウムを１：１の
モル比で配合し、電気炉で1500℃、１時間焼成す
ることによりNd2O3・Al2O3が得られる。これを
ポツトミルで24時間粉砕した後乾燥し、顔料粉末
とした。粉末の色は柴色であり、原料の酸化ネオ
ジウムより赤味が強い。(F) Example 1 How to use it as a pigment for underpainting Neodymium oxide and aluminum oxide were mixed in a molar ratio of 1:1 and baked in an electric furnace at 1500°C for 1 hour to form Nd 2 O 3 · Al 2 O. 3 is obtained. This was ground in a pot mill for 24 hours and then dried to obtain a pigment powder. The color of the powder is dark brown, with a stronger reddish hue than the raw material neodymium oxide.
この粉末をめのう乳鉢で十分に微粉砕して、運
筆性を良くする助剤を混合した後、天草陶石立て
の磁器素焼素地に任意の絵柄を書き、石灰釉を施
した。この試料をSK10番で還元焼成したところ、
肉眼的には自然光で赤紫色、蛍光燈の下では青色
を呈した。 After thoroughly pulverizing this powder in an agate mortar and mixing with an auxiliary agent to improve brush strokes, arbitrary designs were drawn on the unglazed porcelain base made of Amakusa pottery stone and glazed with lime. When this sample was reduced and fired with No. SK10,
Visually, it appeared reddish-purple under natural light and blue under fluorescent light.
発色の強い部分を釉の上から分光反射率を測定
した結果、第１図に示すごとく530nmおよび
590nm付近に強い吸収が認められ、ネオジウムの
吸収特性が失われていないことがわかる。 As a result of measuring the spectral reflectance of the strongly colored part from above the glaze, as shown in Figure 1, the spectral reflectance was 530 nm and
Strong absorption was observed around 590 nm, indicating that neodymium's absorption characteristics were not lost.
２ 色釉の着色用顔料としての利用方法
実施例１と同様にして合成した顔料を、石灰釉
に重量％で約６％添加してポツトミルで湿式混合
し、天草陶石立ての磁器素焼素地に施釉して、
SK10番で還元焼成した。その結果実施例１と同
様の色調をした色釉となり、分光反射率の測定結
果も実施例１と同様であつた。2. How to use colored glaze as a pigment for coloring Approximately 6% by weight of the pigment synthesized in the same manner as in Example 1 was added to lime glaze, mixed wet in a pot mill, and applied to the unglazed porcelain base of Amakusa pottery stone stand. Glazed and
Reduction firing was performed using SK10. As a result, a colored glaze with the same color tone as in Example 1 was obtained, and the measurement results of the spectral reflectance were also the same as in Example 1.
さらにこの色釉の粉末Ｘ線回折試験を行つたと
ころ、Nd2O3・Al2O3とは異なつた回折パターン
が得られた。そのパターンはASTMカードの20
−1132に登録されている（Na2Nd8）（SiO2）6F2
という物質に良く一致しているが、本試料にはフ
ツ素が含まれている可能性は極めて少なく、真の
組成は不明である。いずれにしても最初の顔料は
一旦分解されて、別の化合物に変化していると考
えられる。 Furthermore, when this colored glaze was subjected to a powder X-ray diffraction test, a diffraction pattern different from that of Nd 2 O 3 .Al 2 O 3 was obtained. The pattern is ASTM card 20
-1132 (Na 2 Nd 8 ) (SiO 2 ) 6 F 2
However, the possibility that this sample contains fluorine is extremely low, and its true composition is unknown. In any case, it is thought that the initial pigment is once decomposed and transformed into another compound.
(ト) 発明の効果
この発明は以上説明したように、Nd2O3・
Al2O3を陶磁器用顔料として利用することによ
り、ネオジウムの特異な光の吸収特性を兼ね備え
た、本焼で使用が可能な絵具が実用化され、陶磁
器の加飾の範囲が拡大した。(g) Effects of the invention As explained above, this invention
By using Al 2 O 3 as a pigment for ceramics, a paint that combines the unique light absorption properties of neodymium and can be used in hon-yaki has been put into practical use, expanding the range of decorations for ceramics.
第１図は天草陶石立ての磁器素焼素地に本発明
の顔料を塗り、石灰釉を施してSK10番で還元焼
成したものを、釉の上から分光反射率を測定した
結果である。横軸は光の波長、縦軸は反射率であ
る。
Figure 1 shows the results of measuring the spectral reflectance from above the glaze of an unglazed porcelain base made of Amakusa pottery, coated with the pigment of the present invention, glazed with lime, and reduced and fired with No. SK10. The horizontal axis is the wavelength of light, and the vertical axis is the reflectance.
Claims (1)
ムと酸化アルミニウムを混合して所定の温度で焼
成し、Nd2O3・Al2O3を合成し、それを微粉砕し
たものを、あるいは下絵付け用顔料としてあるい
は色釉の着色用顔料として利用することにより、
ネオジウムの持つ特異な光の吸収特性を損なうこ
となく発色させることを特徴とする方法。1. When decorating ceramics, neodymium oxide and aluminum oxide are mixed and fired at a specified temperature to synthesize Nd 2 O 3 and Al 2 O 3 , which is finely pulverized or used for underpainting. By using it as a pigment or as a coloring pigment for colored glazes,
A method characterized by producing color without damaging neodymium's unique light absorption properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30742986A JPS63159247A (en) | 1986-12-24 | 1986-12-24 | Use of neodymium to chinaware pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30742986A JPS63159247A (en) | 1986-12-24 | 1986-12-24 | Use of neodymium to chinaware pigment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63159247A JPS63159247A (en) | 1988-07-02 |
| JPH0428656B2 true JPH0428656B2 (en) | 1992-05-14 |
Family
ID=17968955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30742986A Granted JPS63159247A (en) | 1986-12-24 | 1986-12-24 | Use of neodymium to chinaware pigment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159247A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4900745B2 (en) * | 2001-02-28 | 2012-03-21 | 岐阜県 | Color rendering ceramic products and coloring materials |
| JP3813469B2 (en) * | 2001-06-18 | 2006-08-23 | 株式会社イワサキ | Emulsions and glazes |
-
1986
- 1986-12-24 JP JP30742986A patent/JPS63159247A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63159247A (en) | 1988-07-02 |
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