JP2009001458A - Glaze composition for glass lining - Google Patents

Glaze composition for glass lining Download PDF

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JP2009001458A
JP2009001458A JP2007164062A JP2007164062A JP2009001458A JP 2009001458 A JP2009001458 A JP 2009001458A JP 2007164062 A JP2007164062 A JP 2007164062A JP 2007164062 A JP2007164062 A JP 2007164062A JP 2009001458 A JP2009001458 A JP 2009001458A
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glass lining
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JP5156277B2 (en
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Yoshihiro Iizawa
吉弘 飯沢
Osamu Mori
修 森
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Ikebukuro Horo Kogyo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a glaze composition for glass lining by which the quality control of glass lining equipment and the major improvement of production technology can be offered. <P>SOLUTION: The glaze composition for glass lining is constituted of white glaze particles and colored glaze particles. In the blending ratio of the white glaze particles with the colored glaze particles, the content of one or more kinds of the colored glaze particles is in the range of 3-30 pts.mass in outer percentage based on 100 pts.mass of the white glaze particles. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、化学工業、医薬品工業、食品工業等における厳しい使用条件に耐え得る鋼板あるいはステンレス系鋼板を基材としたグラスライニング機器に施釉するためのグラスライニング用上ぐすり組成物、及び該グラスライニング用上ぐすり組成物を施釉することにより得られるグラスライニング施釉層に関するものである。   The present invention relates to a glass lining top coating composition for glazing on a glass lining device based on a steel plate or stainless steel plate that can withstand severe use conditions in the chemical industry, pharmaceutical industry, food industry, and the like, and the glass The present invention relates to a glass-lined glazed layer obtained by glazing a lining top coating composition.

グラスライニング施釉層は、金属基材表面上に下ぐすり組成物を施釉し、次に、上ぐすり組成物を施釉することにより得られる。上ぐすり組成物としては、例えばSiO+TiO+ZrO:55〜70質量%、ただし、SiO:55〜70質量%、TiO:0〜10質量%、ZrO:0〜12質量%;RO(R=Na、KまたはLi):5〜22質量%、ただし、NaO:5〜22質量%、KO:0〜16質量%、LiO:0〜10質量%;R’O(R’=Ca、BaまたはMg):0〜8質量%、ただし、CaO:0〜8質量%、BaO:0〜6質量%、MgO:0〜6質量%;B+Al:0〜22質量%、ただし、B:0〜22質量%、Al:0〜6質量%;CoO:0〜5質量%の組成を有するフリットから構成される。 The glass-lined glazed layer is obtained by glazing the lower glazing composition on the surface of the metal substrate and then glazing the upper glazing composition. For example, SiO 2 + TiO 2 + ZrO 2 : 55 to 70% by mass, but SiO 2 : 55 to 70% by mass, TiO 2 : 0 to 10% by mass, ZrO 2 : 0 to 12% by mass ; R 2 O (R = Na , K or Li): 5 to 22 wt%, however, Na 2 O: 5 to 22 wt%, K 2 O: 0 to 16 wt%, Li 2 O: 0 wt %; R′O (R ′ = Ca, Ba or Mg): 0 to 8 mass%, provided that CaO: 0 to 8 mass%, BaO: 0 to 6 mass%, MgO: 0 to 6 mass%; B 2 From a frit having a composition of O 3 + Al 2 O 3 : 0 to 22% by mass, but B 2 O 3 : 0 to 22% by mass, Al 2 O 3 : 0 to 6% by mass; CoO: 0 to 5% by mass Composed.

従来の上ぐすり施釉層の色相は、濃紺ないし青色または白色であったが、上ぐすり施釉層が濃い色相であると、グラスライニング機器の内部が暗くなり、内部の汚れを確認しずらく、また、上ぐすり施釉層の亀裂や剥離等の損傷を見つけ難いといった問題点があった。また、上ぐすり施釉層が白色であると、グラスライニング機器の内部は、濃紺ないし青色に着色されたものに比べて明るいが、白色系結晶などによる汚れを確認し難い。   The hue of the conventional top coat layer was dark blue or blue or white. However, if the top coat layer is dark, the inside of the glass lining device will become dark and it will be difficult to check the internal stains. In addition, there has been a problem that it is difficult to find damage such as cracks or peeling of the upper coating layer. In addition, when the upper glazed layer is white, the inside of the glass lining device is brighter than that colored in dark blue or blue, but it is difficult to check for stains due to white crystals.

そこで、特許文献1には、母材金属をグラスライニング層で被覆したグラスライニング機器であって、グラスライニング層(6)の表面色が、淡色であることを特徴とするグラスライニング機器(請求項1);グラスライニング層の表面色が、不透明な淡色である請求項1記載のグラスライニング機器(請求項2);グラスライニング層の表面色が、淡青色である請求項1又は2記載のグラスライニング機器(請求項3);淡青色の明度が、マンセル表色系の表示で5.5〜8.5の範囲にある請求項3記載のグラスライニング機器(請求項4);淡青色の発色成分が、2価のコバルト化合物、2価の銅化合物、3価のチタン化合物、又は2価の鉄化合物の少なくともいずれかである請求項3又は4記載のグラスライニング機器(請求項5);C.I.G.NameでB−1からB−28に相当する色の無機顔料で表色させたものである請求項3乃至5のいずれかに記載のグラスライニング機器(請求項6);グラスライニング層の表面色が、淡緑色である請求項1又は2記載のグラスライニング機器(請求項7);淡緑色の明度が、マンセル表色系の表示で5.5〜8.5の範囲にある請求項7記載のグラスライニング機器(請求項8);淡緑色の発色成分が、3価のクロム化合物、4価のマンガン、及び鉄と銅の酸化物である請求項7又は8記載のグラスライニング機器(請求項9);淡緑色の発色が、請求項3乃至5に記載の淡青色のグラスライニング層を銀処理したものである請求項7又は8記載のグラスライニング機器(請求項10);C.I.G.NameでG−1からG−50に相当する色の無機顔料で表色させたものである請求項7乃至10のいずれかに記載のグラスライニング機器(請求項11);乳濁剤としてCeO、ZrO、SiZrO、TiOが0.5〜5.0重量%(質量%)含有されている請求項2乃至11のいずれかに記載のグラスライニング機器(請求項12)が開示されている。 Therefore, Patent Document 1 discloses a glass lining device in which a base metal is covered with a glass lining layer, and the surface color of the glass lining layer (6) is light. The glass lining device according to claim 1, wherein the surface color of the glass lining layer is an opaque light color (Claim 2); the surface color of the glass lining layer is a light blue color. Lining device (Claim 3); Light blue lightness is in the range of 5.5 to 8.5 in Munsell color system display (Claim 4); Light blue color development The glass lining device according to claim 3 or 4, wherein the component is at least one of a divalent cobalt compound, a divalent copper compound, a trivalent titanium compound, or a divalent iron compound. C. I. G. The glass lining device according to any one of claims 3 to 5, which is represented by an inorganic pigment having a color corresponding to B-1 to B-28 by Name; surface color of the glass lining layer The glass lining device according to claim 1 or 2 (claim 7); the light green lightness is in the range of 5.5 to 8.5 in the Munsell color system display. The glass lining device according to claim 8 (Claim 8); the light green coloring component is a trivalent chromium compound, tetravalent manganese, and an oxide of iron and copper. 9); The glass lining device according to claim 7 or 8 (Claim 10), wherein the light green color is a silver treatment of the light blue glass lining layer according to any one of Claims 3 to 5. I. G. The glass lining device according to any one of claims 7 to 10 (Claim 11); CeO 2 as an emulsion, wherein the glass lining is colored with an inorganic pigment having a color corresponding to G-1 to G-50. , ZrO 2 , SiZrO 4 , TiO 2 is contained in an amount of 0.5 to 5.0% by weight (mass%), and the glass lining device according to claim 2 (claim 12) is disclosed. Yes.

また、特許文献2には、金属基板上に設けた下釉ほうろう層の上に、乳白フリットを主剤とする上釉ほうろう層を設け、この上釉ほうろう層の上に、透明フリットと顔料を主剤とし前記上釉ほうろう層よりも低明度の環状部と、該環状部により包囲され該環状部よりもさらに低明度の核状部とで構成された斑点状ほうろう層を点在させたことを特徴とする自然石調ほうろう製品(請求項1);金属基板上に設けた下釉ほうろう層の上に、乳白フリットを主剤とする上釉ほうろう層を設け、この上釉ほうろう層の上に、透明フリットと顔料を主剤とし前記上釉ほうろう層よりも低明度の環状部と、該環状部により包囲され該環状部よりもさらに低明度の核状部とで構成された斑点状ほうろう層を点在させるとともに、前記上釉ほうろう層と前記斑点状ほうろう層の上に、粒径2mm以下で前記上釉ほうろう層より高明度の白色の小斑点状ほうろう層を点在させたことを特徴とする自然石調ほうろう製品(請求項2);金属基板上に設けた下釉ほうろう層の上に、乳白フリットを主剤とし水で調製した成る上釉薬を施釉し、湿潤状態の前記上釉薬の施釉層の上に、透明フリットと顔料を主剤としアルコールで調製して成る釉薬をスティップル打ち後、焼成することを特徴とする自然石調ほうろう製品の製造方法(請求項3);金属基板上に設けた下釉ほうろう層の上に、乳白フリットを主剤とし水で調製して成る上釉薬を施釉し、湿潤状態の前記上釉薬の施釉層の上に、透明フリットと顔料を主剤とし発色助剤として金属硝酸塩を添加しアルコールで調製して成る釉薬をスティップル打ち後、焼成することを特徴とする自然石調ほうろう製品の製造方法(請求項4)が開示されている。   In Patent Document 2, an upper enamel layer mainly composed of milky white frit is provided on a lower enamel layer provided on a metal substrate, and a transparent frit and a pigment are mainly formed on the upper enamel layer. And a spotted enamel layer composed of an annular portion having a lightness lower than that of the upper enamel layer and a core portion surrounded by the annular portion and having a lightness lower than that of the annular portion. A natural stone enamel product (Claim 1); an upper enamel layer mainly composed of milky white frit is provided on a lower enamel layer provided on a metal substrate, and the upper enamel layer is transparent. Interspersed with a fritted and enameled layer mainly composed of a frit and a pigment having a lower brightness than the upper enamel layer, and a spot-like enamel layer surrounded by the annulus and having a lighter core than the annulus. The upper enamel layer and the A natural stone-like enamel product characterized by interspersing a spotted enamel layer with a white small spotted enamel layer having a particle size of 2 mm or less and higher brightness than the upper enamel layer (Claim 2); On the lower glaze layer provided on the metal substrate, an upper glaze prepared with water containing milky white frit as the main ingredient is applied, and on the moistened layer of the upper glaze, the transparent frit and pigment are used as the main ingredients. A method for producing a natural stone enamel product characterized in that a glaze prepared with alcohol is stippleted and then fired (Claim 3); a milky white frit is formed on a lower enamel layer provided on a metal substrate. A glaze prepared by applying an upper glaze prepared with water as a main ingredient, and adding a metal nitrate as a coloring aid with a transparent frit and a pigment as a main ingredient on the wet glaze layer of the upper glaze. Stippling After, natural stone tone enameled product manufacturing method, characterized by sintering (claim 4) is disclosed.

特開2005−60746号公報JP 2005-60746 A 特開平2−166286号公報Japanese Patent Laid-Open No. 2-166286

しかしながら、上述の特許文献1に記載されているような淡色のグラスライニング施釉層では、グラスライニング焼成工程での表面の凹凸が判り難い;施釉工程での釉薬接合面や乾燥が不十分であることにより発生する色ムラ現象や気泡等の欠陥が判り難い;焼成中に発生するヘアーライン、カラーライン等の欠陥色調が判り難い;グラスライニング施釉層の腐食初期の光沢の変化が判り難い;薬液、付着物等による汚れが充分には観察できないといった問題点がある。
また、特許文献2は、建材等に使用することを意図した自然石調ほうろう製品に関するものであり、自然石調をだすために透明フリットと顔料を主剤とする釉薬で模様付けするものであるが、このようなほうろう製品は、化学工業、医薬品工業、食品工業等に使用されるグラスライニング機器に要求される耐食性等を具備するものではなく、また、特許文献1と同様も問題も存在する。
However, in the light-colored glass-lined glazed layer as described in Patent Document 1 described above, surface irregularities in the glass-lined baking process are difficult to understand; glaze bonding surface and drying in the glazed process are insufficient. The color unevenness phenomenon and the defects such as bubbles are difficult to understand due to the above; the color tone of defects such as hair lines and color lines generated during firing is difficult to understand; the change in gloss of the glass-lined glazed layer at the initial stage of corrosion is difficult to understand; There is a problem that dirt due to a kimono or the like cannot be sufficiently observed.
Patent Document 2 relates to a natural stone-like enamel product intended to be used for building materials and the like, and is designed with a glaze mainly composed of a transparent frit and a pigment to produce a natural stone tone. Such enamel products do not have the corrosion resistance and the like required for glass lining equipment used in the chemical industry, pharmaceutical industry, food industry and the like, and there are problems as in Patent Document 1.

従って、本発明の目的は、グラスライニング機器の品質管理と生産技術の大幅な改善を提供できるグラスライニング用上ぐすり組成物を提供することにある。   Accordingly, it is an object of the present invention to provide a glass lining topcoat composition that can provide significant improvements in quality control and production techniques of glass lining equipment.

本発明者らは、上記課題を解決するために鋭意検討を行った結果、白色系釉薬粒子と着色系釉薬粒子とからなるグラスライニング用上ぐすり組成物を用いて施釉することにより、白色地に着色されたドットが混在するグラスライニング施釉層が得られ、上記課題を解決できることを見出し、本発明を完成するに至った。   As a result of intensive studies to solve the above-mentioned problems, the present inventors have applied a glass lining top composition comprising white glaze particles and colored glaze particles, A glass-lined glazed layer in which colored dots are mixed is obtained, and it has been found that the above problems can be solved, and the present invention has been completed.

即ち、本発明は、グラスライニング用上ぐすり組成物において、白色系釉薬粒子と着色系釉薬粒子とから構成され、白色系釉薬粒子と着色系釉薬粒子の配合割合が、白色系釉薬粒子100質量部に対し、1種または2種以上の着色系釉薬粒子を外割で3〜30質量部の範囲内であることを特徴とするグラスライニング用上ぐすり組成物を提供することにある。   That is, the present invention is a glass lining top composition, which is composed of white glaze particles and colored glaze particles, and the blending ratio of white glaze particles and colored glaze particles is 100 masses of white glaze particles. An object of the present invention is to provide a glass lining topping composition characterized in that one or two or more colored glaze particles are in the range of 3 to 30 parts by mass.

また、本発明は、金属製支持体上に施釉された下ぐすり層の上に、上記のグラスライニング用上ぐすり組成物を施釉することにより得られるグラスライニング施釉層であって、白色地に着色された円相当径が20〜500μmのドット模様を有してなり、かつ着色されたドットの合計面積がグラスライニング面積あたり2〜25%の範囲内にあることを特徴とするグラスライニング施釉層を提供することにある。   Further, the present invention is a glass lining glazing layer obtained by glazing the above glass lining top coating composition on a glazing layer glazed on a metal support, The glass-lined glazing is characterized in that it has a dot pattern with a circle-equivalent diameter of 20 to 500 μm and the total area of the colored dots is in the range of 2 to 25% per glass-lining area. To provide a layer.

本発明のグラスライニング用上ぐすり組成物を用いて得られた着色されたドット模様を有するグラスライニング施釉層は、グラスライニング焼成工程で表面の凹凸が光の干渉作用により観察し易く、焼成状態:焼甘(凹凸大)、適正(平滑)、過度(波打ち状)等の判断がし易い。
また、施釉工程での釉薬接合面や乾燥不十分によって発生する色ムラ現象や気泡等の欠陥が観察し易い。
更に、焼成中に発生するヘアーライン、カラーライン等の欠陥色調が観察し易く、欠陥色調を検出して適正な焼成対処を行うことができる。
また、グラスライニング機器が客先で使用される際に、その表面が若干腐食された場合、初期の腐食は光沢の変化が軽微で見過ごすことがあるが、着色されたドット模様のグラスライニング表面は光の干渉作用で、腐食状況を見極め易く、メンテナンスが容易となる。
更に、グラスライニング施釉層を着色されたドット模様にすると、薬液、結晶物等の付着についても、同様に観察し易い。
The glass-lined glazed layer having a colored dot pattern obtained by using the top-line composition for glass-lining of the present invention is easy to observe surface irregularities due to light interference in the glass-lined baking process, : Easy determination of baked sweetness (large unevenness), proper (smooth), excessive (waving), etc.
In addition, it is easy to observe defects such as color unevenness and bubbles generated due to glaze bonding surfaces in the glazing process and insufficient drying.
Furthermore, it is easy to observe the defect color tone such as a hair line and a color line generated during firing, and it is possible to detect the defect color tone and appropriately deal with firing.
Also, when the glass lining equipment is used at the customer's site, if the surface is slightly corroded, the initial corrosion may be overlooked with a slight change in gloss, but the colored dot-patterned glass lining surface is The interference of light makes it easy to determine the corrosion status and facilitate maintenance.
Furthermore, if the glass-lined glazed layer is made into a colored dot pattern, it is easy to observe the adhesion of chemicals, crystals and the like as well.

本発明のグラスライニング用上ぐすり組成物は、白色系釉薬粒子と着色系釉薬粒子とから構成され、白色系釉薬粒子と着色系釉薬粒子の配合割合が、白色系釉薬粒子100質量部に対し、1種または2種以上の着色系釉薬粒子を外割で3〜30質量部の範囲内であることを特徴とするものである。   The top lining composition for glass lining of the present invention is composed of white glaze particles and colored glaze particles, and the blending ratio of the white glaze particles and the colored glaze particles is 100 parts by mass of the white glaze particles. One type or two or more types of colored glaze particles are within the range of 3 to 30 parts by mass.

ここで、白色系釉薬組成物は、下記の(A)〜(F)からなる組成を有する:
(A)SiO+TiO:60〜80質量%
ただし、SiO:60〜80質量%
TiO:0〜10質量%
なお、(A)成分についての質量%表示は、酸化物換算量である;
(B)ZrO:4〜12質量%
なお、(B)成分についての質量%表示は、酸化物換算量である;
(C)RO(RはNa、KまたはLiを表わす):8〜20質量%
ただし、NaO:8〜20質量%
O:0〜16質量%
LiO:0〜10質量%
なお、(C)成分についての質量%表示は、酸化物換算量である;
(D)R’O(R’はCa、Ba、ZnまたはMgを表わす):0.9〜7質量%
ただし、CaO:0.9〜7質量%
BaO:0〜6質量%
ZnO:0〜6質量%
MgO:0〜5質量%
なお、(D)成分についての質量%表示は、酸化物換算量である;
(E)B+Al:0.5〜5質量%
ただし、B:0.5〜5質量%
Al:0〜5質量%
なお、(E)成分についての質量%表示は、酸化物換算量である;
(F)Sb+CeO:1〜4質量%
ただし、Sb:0〜4質量%
CeO:1〜4質量%
なお、(F)成分についての質量%表示は、酸化物換算量である。
Here, the white glaze composition has a composition comprising the following (A) to (F):
(A) SiO 2 + TiO 2 : 60-80% by mass
However, SiO 2: 60~80 mass%
TiO 2: 0 wt%
In addition, the mass% display about (A) component is an oxide conversion amount;
(B) ZrO 2 : 4 to 12% by mass
In addition, the mass% display about (B) component is an oxide conversion amount;
(C) R 2 O (R represents Na, K or Li): 8 to 20% by mass
However, Na 2 O: 8~20 wt%
K 2 O: 0 to 16% by mass
Li 2 O: 0 to 10% by mass
In addition, the mass% display about (C) component is an oxide conversion amount;
(D) R′O (R ′ represents Ca, Ba, Zn or Mg): 0.9 to 7% by mass
However, CaO: 0.9-7 mass%
BaO: 0 to 6% by mass
ZnO: 0 to 6% by mass
MgO: 0 to 5% by mass
In addition, the mass% display about (D) component is an oxide conversion amount;
(E) B 2 O 3 + Al 2 O 3: 0.5~5 wt%
However, B 2 O 3: 0.5~5 wt%
Al 2 O 3 : 0 to 5% by mass
In addition, the mass% display about (E) component is an oxide conversion amount;
(F) Sb 2 O 3 + CeO 2: 1~4 wt%
However, Sb 2 O 3: 0~4 wt%
CeO: 1-4% by mass
In addition, the mass% display about (F) component is an oxide conversion amount.

ここで、(A)成分の配合割合が80質量%を超えると、フリットの溶融粘性が高くなり過ぎるために好ましくなく、また、60質量%未満であると、耐酸性及び耐水性が低下するために好ましくない。なお、(A)成分の好適な配合割合は、67〜72質量%の範囲内である。また、SiO源としては、例えばSiO、SiO・ZrO等を使用することができ、TiO源としては、例えばTiO等を使用することができる。 Here, when the blending ratio of the component (A) exceeds 80% by mass, it is not preferable because the melt viscosity of the frit becomes too high, and when it is less than 60% by mass, the acid resistance and water resistance decrease. It is not preferable. In addition, the suitable mixture ratio of (A) component exists in the range of 67-72 mass%. As the SiO 2 source, for example, SiO 2 , SiO 2 .ZrO 2 or the like can be used, and as the TiO 2 source, for example, TiO 2 or the like can be used.

また、(B)成分の配合割合が12質量%を超えると、焼成時に施釉層が結晶化し易くなり、且つフリットの溶融粘性が高くなり過ぎるために好ましくなく、また、4質量%未満であると、耐水性及び耐アルカリ性が低下するために好ましくない。なお、(B)成分の好適な配合割合は、6〜10質量%の範囲内である。また、ZrO源としては、例えばZrO、SiO・ZrO等を使用することができる。 Further, when the blending ratio of the component (B) exceeds 12% by mass, the glazed layer is easily crystallized during firing, and the melt viscosity of the frit becomes too high, which is not preferable, and is less than 4% by mass. This is not preferable because water resistance and alkali resistance are lowered. In addition, the suitable mixture ratio of (B) component exists in the range of 6-10 mass%. As the ZrO 2 source, for example, ZrO 2 , SiO 2 .ZrO 2 or the like can be used.

更に、(C)成分の配合割合が20質量%を超えると、耐水性が低下するために好ましくなく、また、8質量%未満であると、フリットの溶融粘性が高くなり過ぎるために好ましくない。なお、(C)成分の好適な配合割合は、14〜18質量%の範囲内である。また、NaO源としては、例えばNaCO等を使用することができ、KO源としては、例えばKCO等を使用することができ、LiO源としては、例えばLiCO等を使用することができる。 Furthermore, when the blending ratio of the component (C) exceeds 20% by mass, the water resistance decreases, which is not preferable, and when it is less than 8% by mass, the melt viscosity of the frit becomes too high. In addition, the suitable mixture ratio of (C) component exists in the range of 14-18 mass%. As the Na 2 O source, for example, Na 2 CO 3 or the like can be used, as the K 2 O source, for example, it can be used K 2 CO 3, etc., as the Li 2 O source, e.g. Li 2 CO 3 or the like can be used.

また、(D)成分の配合割合が7質量%を超えたり、0.7質量%未満であると、耐酸性が低下するために好ましくない。なお、(D)成分の好適な配合割合は、2〜6質量%の範囲内である。また、CaO源としては、例えばCaCO等を使用することができ、BaO源としては、例えばBaCO等を使用することができ、ZnO源としては、例えばZnCO等を使用することができ、MgO源としては、例えばMgCO等を使用することができる。 Moreover, since the acid resistance falls that the mixture ratio of (D) component exceeds 7 mass% or is less than 0.7 mass%, it is unpreferable. In addition, the suitable mixture ratio of (D) component exists in the range of 2-6 mass%. Further, as the CaO source, for example, CaCO 3 or the like can be used, as the BaO source, for example, BaCO 3 or the like can be used, and as the ZnO source, for example, ZnCO 3 or the like can be used, As the MgO source, for example, MgCO 3 can be used.

更に、(E)成分の配合割合が5質量%を超えると、耐酸性が低下するために好ましくなく、また、0.5質量%未満であると、フリットの溶融粘性が高くなり過ぎるために好ましくない。なお、(E)成分の好適な配合割合は、1〜3質量%の範囲内である。また、B源としては、例えばNa・10HO等を使用することができ、Al源としては、例えばAl等を使用することができる。 Furthermore, when the blending ratio of the component (E) exceeds 5% by mass, the acid resistance is not preferable, and when it is less than 0.5% by mass, the melt viscosity of the frit becomes too high. Absent. In addition, the suitable mixture ratio of (E) component exists in the range of 1-3 mass%. As the B 2 O 3 source, for example, Na 2 B 4 O 7 · 10H 2 O and the like can be used, as the Al 2 O 3 source may be used, for example Al 2 O 3, or the like.

また、(F)成分の配合割合が4質量%を超えると、発泡するために好ましくなく、また、1質量%未満であると、白色が不足するために好ましくない。(F)成分の好適な配合割合は、1〜2質量%の範囲内である。また、Sb源としては、例えばSb等を使用することができ、CeO源としては、例えばCeO等を使用することができる。 Moreover, when the blending ratio of the component (F) exceeds 4% by mass, foaming is not preferable, and when it is less than 1% by mass, white is insufficient, which is not preferable. (F) The suitable mixture ratio of a component exists in the range of 1-2 mass%. As the Sb 2 O 3 source, for example, Sb 2 O 3 can be used, and as the CeO 2 source, for example, CeO 2 can be used.

また、着色系釉薬粒子の組成は、上記(A)成分ないし(E)成分に、下記の(G)成分を配合してなるものである:
(G)CoO+Cr+Fe:1〜4質量%
ただし、Cr:0〜3質量%
Fe:0〜3質量%
なお、(G)成分についての質量%表示は、酸化物換算量である。
Further, the composition of the colored glaze particles is obtained by blending the following component (G) with the above components (A) to (E):
(G) CoO + Cr 2 O 3 + Fe 2 O 3 : 1 to 4% by mass
However, Cr 2 O 3: 0~3 wt%
Fe 2 O 3 : 0 to 3% by mass
In addition, the mass% display about (G) component is an oxide conversion amount.

ここで、(G)成分の配合割合が4質量%を超えると、発泡するために好ましくなく、また、1質量%未満であると、充分に着色することができないために好ましくない。なお、(G)成分の好適な配合割合は、1〜2質量%の範囲内である。また、CoO源としては、例えばCoO等を使用することができ、Cr源としては、例えばCr等を使用することができ、Fe源としては、例えばFe等を使用することができる。 Here, when the blending ratio of the component (G) exceeds 4% by mass, it is not preferable because foaming occurs, and when it is less than 1% by mass, it cannot be sufficiently colored, which is not preferable. In addition, the suitable mixture ratio of (G) component exists in the range of 1-2 mass%. As the CoO source, for example, CoO can be used, for example, as the Cr 2 O 3 source, for example, Cr 2 O 3 can be used, and as the Fe 2 O 3 source, for example, Fe 2 O. 3 etc. can be used.

本発明のグラスライニング用上ぐすり組成物において、上記白色系釉薬粒子と着色系釉薬粒子の配合割合は、白色系釉薬粒子100質量部に対して着色系釉薬粒子を外割で3〜30質量部、好ましくは4〜20質量部の範囲内である。ここで、着色系釉薬粒子の配合割合が30質量部を超えると、後述するように本発明のグラスライニング用上ぐすり組成物を施釉して得られた施釉層の着色されたドット模様の合計面積が25%を超えるために好ましくなく、また、3質量部未満では、着色されたドット模様の割合が2%未満となるために好ましくない。   In the glass lining top composition of the present invention, the blending ratio of the white glaze particles and the colored glaze particles is 3 to 30 masses of the colored glaze particles based on 100 parts by mass of the white glaze particles. Parts, preferably in the range of 4 to 20 parts by weight. Here, when the blending ratio of the colored glaze particles exceeds 30 parts by mass, the total of the colored dot patterns of the glazing layer obtained by glazing the glass lining top composition of the present invention as described later Since the area exceeds 25%, it is not preferable, and when it is less than 3 parts by mass, the ratio of the colored dot pattern is less than 2%, which is not preferable.

なお、白色系釉薬粒子の粒径は、250μm(フルイメッシュNo.60全通)以下であり、スプレー施釉作業性を配慮すると、177μm(フルイメッシュNo.80全通)以下が好ましい。白色系釉薬粒子は、通常のボールミルで粉砕することができ、粒子径の下限は特に限定されないが、通常0.1μm程度である。従って、白色系釉薬粒子の粒径は0.1〜250μm、好ましくは0.1〜177μmの範囲内である。また、白色系釉薬粒子の50%平均粒径は、20〜28μm、好ましくは24〜26μmの範囲内が好ましい。   The particle size of the white glaze particles is 250 μm (fluid mesh No. 60 all through), and in consideration of spray glazing workability, it is preferably 177 μm (fluid mesh No. 80 all through). The white glaze particles can be pulverized by a normal ball mill, and the lower limit of the particle diameter is not particularly limited, but is usually about 0.1 μm. Therefore, the particle size of the white glaze particles is in the range of 0.1 to 250 μm, preferably 0.1 to 177 μm. The 50% average particle size of the white glaze particles is preferably in the range of 20 to 28 μm, preferably 24 to 26 μm.

また、着色系釉薬粒子は、白色地に着色されたドット模様を形成するために、白色系釉薬粒子に比べて粗い粒子として使用することが好ましく、粒径が3360μm(フルイメッシュNo.6全通)以下のものを使用することができ、好ましくは595μm(フルイメッシュNo.30全通)以下のものが好ましい。着色系釉薬粒子は、通常のボールミルで粉砕することができ、粒子径の下限は特に限定されないが、通常0.1μm程度である。従って、着色系釉薬粒子の粒径は0.1〜3360μm、好ましくは74〜595μm、より好ましくは250〜500μmの範囲内である。また、着色系釉薬粒子の50%平均粒径は、30〜100μm、好ましくは35〜65μmの範囲内が好ましい。なお、白色系釉薬粒子及び着色系釉薬粒子の粒径や50%平均粒径を調節することにより、着色されたドット模様の寸法等を適宜制御することができる。   The colored glaze particles are preferably used as coarse particles compared to the white glaze particles in order to form a colored dot pattern on a white background, and the particle size is 3360 μm (fluid mesh No. 6 all through). ) The following can be used, and preferably 595 μm (fluid mesh No. 30 through) is preferable. The colored glaze particles can be pulverized by a normal ball mill, and the lower limit of the particle diameter is not particularly limited, but is usually about 0.1 μm. Accordingly, the particle size of the colored glaze particles is in the range of 0.1 to 3360 μm, preferably 74 to 595 μm, more preferably 250 to 500 μm. The 50% average particle size of the colored glaze particles is preferably 30 to 100 μm, and preferably 35 to 65 μm. In addition, by adjusting the particle size and 50% average particle size of the white glaze particles and the colored glaze particles, the size of the colored dot pattern can be appropriately controlled.

上述の構成を有する本発明のグラスライニング用上ぐすり組成物は、金属製支持体上に施釉された下ぐすり層の上に、慣用の操作により施釉することにより、グラスライニング施釉層を得ることができる。ここで、白色地に着色された円相当径が20〜500μmのドット模様を有してなり、かつ着色されたドット模様の合計面積がグラスライニング面積あたり2〜25%の範囲内にあることが好ましい。なお、着色されたドット模様の面積が25%を超えたり、2%未満では、着色されたドット模様が不鮮明となる。   The glass lining overglazing composition of the present invention having the above-described configuration is obtained by glazing by a conventional operation on the undercoat layer glazed on a metal support. be able to. Here, the circle-equivalent diameter colored on the white background has a dot pattern of 20 to 500 μm, and the total area of the colored dot pattern is in the range of 2 to 25% per glass lining area. preferable. If the area of the colored dot pattern exceeds 25% or less than 2%, the colored dot pattern becomes unclear.

なお、着色されたドット模様の面積は下記のようにして求めた。本発明のグラスライニング用上ぐすり組成物を用いて得られた施釉層表面をキーエンス社製のデジタルマイクロスコープを用いて100倍率で写真撮影し、着色されたドット部分の近似円相当直径を、20μm〜500μmまでの範囲で実測し、着色されたドット面積を算出した。なお、図1に五角形並びに三角形の着色されたドット模様(1)における近似円相当径の模式図を示す。   In addition, the area of the colored dot pattern was calculated | required as follows. The surface of the glazed layer obtained by using the top liner composition for glass lining of the present invention was photographed at 100 magnification using a digital microscope manufactured by Keyence, and the approximate equivalent circle diameter of the colored dot portion was The measurement was performed in the range of 20 μm to 500 μm, and the colored dot area was calculated. In addition, the schematic diagram of the approximate circle equivalent diameter in the colored dot pattern (1) of a pentagon and a triangle is shown in FIG.

なお、本発明において、金属製支持体の材質や下ぐすりの組成は特に限定されるものではなく、公知・慣用の材質を使用することができる。   In the present invention, the material of the metal support and the composition of the undercoat are not particularly limited, and known and commonly used materials can be used.

以下に実施例を挙げて本発明のグラスライニング用上ぐすり組成物を更に説明する。
実施例
まず、厚さ1mm、105mmφの鋼板上に、SiO+TiO+ZrO=41質量%、RO(NaCO+KCO+LiCO)=25質量%、R’O(CaCO+BaCO+MgCO+ZnCO)=11質量%、HBO+Al=21質量%、CoO+NiO+MnCO=2質量%の組成を有する下ぐすり100質量%に対して、粘土を外割で7質量%、珪石を外割で60質量%、亜硝酸ソーダを外割で0.3質量%、硼砂を外割で0.7質量%及び水を外割で50質量%配合して施釉した後、860℃で20分間焼成することにより下ぐすり層を形成した。
Examples The following examples further illustrate the glass lining top powder composition of the present invention.
Example First, on a steel plate having a thickness of 1 mm and 105 mmφ, SiO 2 + TiO 2 + ZrO 2 = 41% by mass, R 2 O (Na 2 CO 3 + K 2 CO 3 + Li 2 CO 3 ) = 25% by mass, R′O (CaCO 3 + BaCO 3 + MgCO 3 + ZnCO 3 ) = 11 wt%, H 3 BO 3 + Al 2 O 3 = 21 wt%, CoO + NiO + Mn 2 CO 3 = 2 wt% Clay 7% by weight, silica 60% by weight, sodium nitrite 0.3% by weight, borax 0.7% by weight, and water 50% by weight. After blending and glazing, the lower layer was formed by baking at 860 ° C. for 20 minutes.

次に、以下の組成(質量%)を有する白色系釉薬粒子(粒径=0.1〜177μm;50%平均粒径25μm)及び着色系釉薬粒子(粒径=0.1〜595μm;50%平均粒径45μm)を調製した:   Next, white glaze particles (particle size = 0.1 to 177 μm; 50% average particle size 25 μm) and colored glaze particles (particle size = 0.1 to 595 μm; 50%) having the following composition (mass%): An average particle size of 45 μm) was prepared:

Figure 2009001458
Figure 2009001458

次に、白色系釉薬粒子と着色系釉薬粒子を表2に示す割合で混合し、得られた混合物100質量%に対して、カルボキシメチルセルロース水溶液(濃度:1質量%)を外割で33質量%、塩化バリウム水溶液(濃度:1質量%)を外割で0.1質量%及び水を外割で15質量%添加してスリップを調製し、上記で作製した下ぐすり層の上に施釉して、800℃×20分間焼成する操作を3回反復(3回掛け)することにより、0.6〜0.7mm厚さの上ぐすり層を形成した。なお、下ぐすり層と上ぐすり層の合計厚さは約1.0mmであった。得られたグラスライニングの諸特性を表2に併記する。   Next, white glaze particles and colored glaze particles are mixed in the proportions shown in Table 2, and 33% by mass of an aqueous carboxymethyl cellulose solution (concentration: 1% by mass) with respect to 100% by mass of the obtained mixture. A slip was prepared by adding 0.1% by mass of barium chloride aqueous solution (concentration: 1% by mass) and 15% by mass of water by external division, and glazed on the undercoat layer prepared above. Then, an operation of baking at 800 ° C. for 20 minutes was repeated 3 times (3 times) to form an upper covering layer having a thickness of 0.6 to 0.7 mm. The total thickness of the lower layer and the upper layer was about 1.0 mm. Various characteristics of the obtained glass lining are listed in Table 2.

Figure 2009001458
Figure 2009001458

*1:着色されたドット部分の近似円相当直径を、20μm〜500μmの範囲内で実測 し、ドット面積を算出した。
*2:20%塩酸、107℃(b.p.)×14日
JIS R4301に規定されている沸騰耐酸試験装置を用いて試験した結果であ る。
*3:質量減耐食度を測定した後のテストピースの腐食されたグラスライニング表面を1 00Wのハンドランプを用いて目視観察した結果である:
[評価]
○:グラスライニング表面の腐食による光沢の低下が判る。
△:グラスライニング表面の腐食による光沢の低下が少し判る。
×:グラスライニング表面の腐食による光沢の低下が殆ど判らない。
* 1: The approximate circle equivalent diameter of the colored dot portion was measured within a range of 20 μm to 500 μm, and the dot area was calculated.
* 2: 20% hydrochloric acid, 107 ° C. (bp) × 14 days This is the result of testing using a boiling acid resistance test apparatus defined in JIS R4301.
* 3: The result of visual observation of the corroded glass lining surface of the test piece after measuring the mass corrosion resistance using a 100 W hand lamp:
[Evaluation]
○: It can be seen that the glossiness is lowered due to the corrosion of the glass lining surface.
Δ: A slight decrease in gloss due to corrosion of the glass lining surface can be seen.
X: A decrease in gloss due to corrosion of the glass lining surface is hardly recognized.

次に、100mm×100mm×4.5mm厚さの平板鋼板の上に、上記と同様の操作にて下ぐすりを施釉して下ぐすり層を形成した後、上ぐすりを1回施釉することにより上ぐすり層を得た。上ぐすりの焼成条件により、上ぐすり層の表面状態を変化させた時の上ぐすり層表面の目視観察のし易さを観察した。得られた結果を表3に併記する。また、焼成条件による表面状態の変化を図2に記載する。   Next, on the flat steel plate having a thickness of 100 mm × 100 mm × 4.5 mm, a lower layer is formed by applying the same method as described above, and then the upper layer is applied once. Thus, a top layer was obtained. The ease of visual observation of the surface of the upper coating layer when the surface state of the upper coating layer was changed depending on the firing conditions of the upper coating was observed. The results obtained are also shown in Table 3. Moreover, the change of the surface state by baking conditions is described in FIG.

Figure 2009001458
Figure 2009001458

[評価]
○:上ぐすり層の溶融表面変化が明確に判る。
△:上ぐすり層の溶融表面変化が観察角度を変えて見ると判る。
×:上ぐすり層の溶融表面変化が判り難い。
[Evaluation]
○: Melting surface change of the upper layer is clearly understood.
(Triangle | delta): It turns out that the melting surface change of an upper covering layer changes and sees an observation angle.
X: It is difficult to understand the melt surface change of the upper covering layer.

本発明のグラスライニング用上ぐすり組成物は、化学工業、医薬品工業、食品工業等における厳しい使用条件に耐え得るグラスライニング機器に好適に使用することができる。   The top-line composition for glass lining of the present invention can be suitably used for glass lining equipment that can withstand severe conditions in the chemical industry, pharmaceutical industry, food industry and the like.

五角形並びに三角形の着色されたドット模様(1)における近似円相当径の模式図である。It is a schematic diagram of an equivalent circle equivalent diameter in a pentagonal and triangular colored dot pattern (1). 焼成状態を変化させた時の上ぐすり層の溶融表面を変化を示す模式図である。It is a schematic diagram which shows a change in the melting surface of the upper covering layer when a baking state is changed.

符号の説明Explanation of symbols

1 着色されたドット模様
2 平板鋼板
3 下ぐすり層
4 上ぐすり層
DESCRIPTION OF SYMBOLS 1 Colored dot pattern 2 Flat steel plate 3 Lower drop layer 4 Upper drop layer

Claims (6)

グラスライニング用上ぐすり組成物において、白色系釉薬粒子と着色系釉薬粒子とから構成され、白色系釉薬粒子と着色系釉薬粒子の配合割合が、白色系釉薬粒子100質量部に対し、1種または2種以上の着色系釉薬粒子を外割で3〜30質量部の範囲内であることを特徴とするグラスライニング用上ぐすり組成物。   In the top lining composition for glass lining, it is composed of white glaze particles and colored glaze particles, and the blending ratio of the white glaze particles and the colored glaze particles is 1 type with respect to 100 parts by mass of the white glaze particles. Alternatively, a top-line composition for glass lining, wherein two or more kinds of colored glaze particles are in the range of 3 to 30 parts by mass. 白色系釉薬粒子が、下記の(A)〜(F)からなる組成を有する、請求項1記載のグラスライニング用上ぐすり組成物:
(A)SiO+TiO:60〜80質量%
ただし、SiO:60〜80質量%
TiO:0〜10質量%
なお、(A)成分についての質量%表示は、酸化物換算量である;
(B)ZrO:4〜12質量%
なお、(B)成分についての質量%表示は、酸化物換算量である;
(C)RO(RはNa、KまたはLiを表わす):8〜20質量%
ただし、NaO:8〜20質量%
O:0〜16質量%
LiO:0〜10質量%
なお、(C)成分についての質量%表示は、酸化物換算量である;
(D)R’O(R’はCa、Ba、ZnまたはMgを表わす):0.9〜7質量%
ただし、CaO:0.9〜7質量%
BaO:0〜6質量%
ZnO:0〜6質量%
MgO:0〜5質量%
なお、(D)成分についての質量%表示は、酸化物換算量である;
(E)B+Al:0.5〜5質量%
ただし、B:0.5〜5質量%
Al:0〜5質量%
なお、(E)成分についての質量%表示は、酸化物換算量である;
(F)Sb+CeO:1〜4質量%
ただし、Sb:0〜4質量%
CeO:1〜4質量%
なお、(F)成分についての質量%表示は、酸化物換算量である。
The glass lining top-glazing composition according to claim 1, wherein the white glaze particles have a composition comprising the following (A) to (F):
(A) SiO 2 + TiO 2 : 60-80% by mass
However, SiO 2: 60~80 mass%
TiO 2: 0 wt%
In addition, the mass% display about (A) component is an oxide conversion amount;
(B) ZrO 2 : 4 to 12% by mass
In addition, the mass% display about (B) component is an oxide conversion amount;
(C) R 2 O (R represents Na, K or Li): 8 to 20% by mass
However, Na 2 O: 8~20 wt%
K 2 O: 0 to 16% by mass
Li 2 O: 0 to 10% by mass
In addition, the mass% display about (C) component is an oxide conversion amount;
(D) R′O (R ′ represents Ca, Ba, Zn or Mg): 0.9 to 7% by mass
However, CaO: 0.9-7 mass%
BaO: 0 to 6% by mass
ZnO: 0 to 6% by mass
MgO: 0 to 5% by mass
In addition, the mass% display about (D) component is an oxide conversion amount;
(E) B 2 O 3 + Al 2 O 3: 0.5~5 wt%
However, B 2 O 3: 0.5~5 wt%
Al 2 O 3 : 0 to 5% by mass
In addition, the mass% display about (E) component is an oxide conversion amount;
(F) Sb 2 O 3 + CeO 2: 1~4 wt%
However, Sb 2 O 3: 0~4 wt%
CeO: 1-4% by mass
In addition, the mass% display about (F) component is an oxide conversion amount.
白色系釉薬粒子の粒径は、250μm以下である、請求項2記載のグラスライニング用上ぐすり組成物。   3. The glass lining top powder composition according to claim 2, wherein the particle size of the white glaze particles is 250 μm or less. 着色系釉薬粒子が、下記の(A)〜(E)及び(G)からなる組成を有する、請求項1記載のグラスライニング用上ぐすり組成物:
(A)SiO+TiO:60〜80質量%
ただし、SiO:60〜80質量%
TiO:0〜10質量%
なお、(A)成分についての質量%表示は、酸化物換算量である;
(B)ZrO:4〜12質量%
なお、(B)成分についての質量%表示は、酸化物換算量である;
(C)RO(RはNa、KまたはLiを表わす):8〜20質量%
ただし、NaO:8〜20質量%
O:0〜16質量%
LiO:0〜10質量%
なお、(C)成分についての質量%表示は、酸化物換算量である;
(D)R’O(R’はCa、Ba、ZnまたはMgを表わす):0.9〜7質量%
ただし、CaO:0.9〜7質量%
BaO:0〜6質量%
ZnO:0〜6質量%
MgO:0〜5質量%
なお、(D)成分についての質量%表示は、酸化物換算量である;
(E)B+Al:0.5〜5質量%
ただし、B:0.5〜5質量%
Al:0〜5質量%
なお、(E)成分についての質量%表示は、酸化物換算量である;
(G)CoO+Cr+Fe:1〜4質量%
ただし、CoO:1〜4質量%
Cr:0〜3質量%
Fe:0〜3質量%
なお、(G)成分についての質量%表示は、酸化物換算量である。
The glass lining top powder composition according to claim 1, wherein the colored glaze particles have a composition comprising the following (A) to (E) and (G):
(A) SiO 2 + TiO 2 : 60-80% by mass
However, SiO 2: 60~80 mass%
TiO 2: 0 wt%
In addition, the mass% display about (A) component is an oxide conversion amount;
(B) ZrO 2 : 4 to 12% by mass
In addition, the mass% display about (B) component is an oxide conversion amount;
(C) R 2 O (R represents Na, K or Li): 8 to 20% by mass
However, Na 2 O: 8~20 wt%
K 2 O: 0 to 16% by mass
Li 2 O: 0 to 10% by mass
In addition, the mass% display about (C) component is an oxide conversion amount;
(D) R′O (R ′ represents Ca, Ba, Zn or Mg): 0.9 to 7% by mass
However, CaO: 0.9-7 mass%
BaO: 0 to 6% by mass
ZnO: 0 to 6% by mass
MgO: 0 to 5% by mass
In addition, the mass% display about (D) component is an oxide conversion amount;
(E) B 2 O 3 + Al 2 O 3: 0.5~5 wt%
However, B 2 O 3: 0.5~5 wt%
Al 2 O 3 : 0 to 5% by mass
In addition, the mass% display about (E) component is an oxide conversion amount;
(G) CoO + Cr 2 O 3 + Fe 2 O 3 : 1 to 4% by mass
However, CoO: 1-4 mass%
Cr 2 O 3 : 0 to 3% by mass
Fe 2 O 3 : 0 to 3% by mass
In addition, the mass% display about (G) component is an oxide conversion amount.
着色系釉薬粒子の粒径は、3360μm以下である、請求項4記載のグラスライニング用上ぐすり組成物。   The top-glazing composition for glass lining according to claim 4, wherein the particle size of the colored glaze particles is 3360 μm or less. 金属製支持体上に施釉された下ぐすり層の上に、請求項1ないし5に記載のグラスライニング用上ぐすり組成物を施釉することにより得られるグラスライニング施釉層であって、白色地に着色された円相当径が20〜500μmのドット模様を有してなり、かつ着色されたドット模様の合計面積がグラスライニング面積あたり2〜25%の範囲内にあることを特徴とするグラスライニング施釉層。   A glass lining glazing layer obtained by glazing the glass lining upper glass composition according to claim 1 on a glazing layer glazed on a metal support, The glass lining is characterized by having a dot pattern with an equivalent circle diameter of 20 to 500 μm and a total area of the colored dot pattern within a range of 2 to 25% per glass lining area. Glazed layer.
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CN108395101A (en) * 2018-03-30 2018-08-14 佛山市东鹏陶瓷有限公司 A kind of low light exquisiteness glaze, glaze slip preparation method, glazed tile and preparation method
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CN112250306A (en) * 2020-10-22 2021-01-22 淄博宝特化工科技有限公司 High-temperature high-pressure acid and alkali resistant porcelain glaze and preparation method thereof
CN114873915A (en) * 2022-04-26 2022-08-09 九牧厨卫股份有限公司 Ceramic glaze for stainless steel bathroom products and application thereof
CN114873915B (en) * 2022-04-26 2023-09-01 九牧厨卫股份有限公司 Ceramic glaze for stainless steel bathroom products and application thereof

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