JPH02229736A - Production of mat glaze - Google Patents
Production of mat glazeInfo
- Publication number
- JPH02229736A JPH02229736A JP4919589A JP4919589A JPH02229736A JP H02229736 A JPH02229736 A JP H02229736A JP 4919589 A JP4919589 A JP 4919589A JP 4919589 A JP4919589 A JP 4919589A JP H02229736 A JPH02229736 A JP H02229736A
- Authority
- JP
- Japan
- Prior art keywords
- glaze
- mgo
- matte
- frit
- raw material
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 60
- 238000002156 mixing Methods 0.000 claims abstract description 14
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 117
- 239000002994 raw material Substances 0.000 claims description 50
- 238000007580 dry-mixing Methods 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 abstract description 15
- 235000014380 magnesium carbonate Nutrition 0.000 abstract description 15
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract description 15
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000377 silicon dioxide Substances 0.000 abstract description 5
- 229910052681 coesite Inorganic materials 0.000 abstract description 3
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 3
- 229910052682 stishovite Inorganic materials 0.000 abstract description 3
- 229910052905 tridymite Inorganic materials 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- 239000010433 feldspar Substances 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052634 enstatite Inorganic materials 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- BBCCCLINBSELLX-UHFFFAOYSA-N magnesium;dihydroxy(oxo)silane Chemical compound [Mg+2].O[Si](O)=O BBCCCLINBSELLX-UHFFFAOYSA-N 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- RBNCTJWRWOMIBO-UHFFFAOYSA-N dicalcium;magnesium;trihydroxy(trihydroxysilyloxy)silane Chemical compound [Mg+2].[Ca+2].[Ca+2].O[Si](O)(O)O[Si](O)(O)O RBNCTJWRWOMIBO-UHFFFAOYSA-N 0.000 description 1
- 229910052637 diopside Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ＭｇＯ成分を含んだ釉薬を焼成した場合に、
その主結晶としてエンスタタイト（ ＭｇＯ・Ｓｉ０２
） ， ジオプサイド（ ＣａＯ−Ｍｇ０ ・２
Ｓｉ０２ ）並びにマケルマナイト（２ＣａＯ ・Ｍｇ
０ ・２Ｓｉ０２ ）のうちの一考又は二者以上を釉
層に析出させてマット模様を形成するマット釉薬の製造
方法に関するものである．
〔従来の技術〕
前述したエンスタタイト．ジオブサイド，マケルマナイ
ト等の主結晶を析出させてマット釉薬を製造する方法と
して、マグネシア質原料からＭｇＯ成分を採取する方法
があり、特にマグネサイト又はタルク（３Ｍｇ０・４Ｓ
ｉＯｚ ・ Ｈ２０）からＭｇＯ成分を採取する方法
が一般的である．
マグネシア質原料からκｇＯ成分を採取する方法にあっ
ては、マグネサイト等の鉱石と、その他の長石，珪石，
石灰石，カオリン等の鉱物及び所定の顔料とをボールミ
ルへ投入し、大量の水を加えて湿式粉砕している．そし
て、所望する粒度になるまで粉砕を続け、泥漿状のマッ
ト釉薬を得るようにしている．
一方、タルクからＭｇＯ成分を採取する方法にあっては
、タルクの蝦焼物と、その他の長石，珪石，石灰石，カ
オリン等の鉱物及び所定の顔料とをボールミルで湿式粉
砕し、前述の場合と同様に所望する粒度になるまで粉砕
を続け、泥漿状のマット釉薬を得るようにしている．
ところが、前述したマグネシア質原料からＭｇＯ成分を
採取する方法にあっては、ボールミルでの湿式綱磨時に
マグネサイト等の鉱石粒子に含まれているＭｇＣＯ３成
分が水に溶出する．そのため、このようにして湿式綱磨
並びに湿式開合された泥漿状のマット釉薬をタイル素地
表面へ施釉すると、水分中に溶出したＭｇＣＯ３成分が
水分のタイル素地内への浸透と共にタイル素地内へ浸透
し、タイル素地表面へ所望する量のＭｇＯ成分（固形分
）が塗布できないという欠点があった．従って、所望す
るマット模様が得られないことは当然である．勿論、水
分中へ溶出するＭｇＣＯ３の成分量を見越してその分だ
け余分にマグネシア質原料粒子の混合割合を増加させれ
ばよいが、゜細磨条件やタイル素地の水分調整如何並び
に施釉条件等により、タイル素地内への水分の浸透速度
等が変化し、タイル素地表面へ残る固形分としてのＭｇ
Ｏ成分量に大きなバラツキを伴い、定常的なマット模様
を得ることが困難であった．
そのため、従来にあっては、タルクからＭｇＯ成分を採
取してマット釉薬を調合するのが通常であった●
〔発明が解決しようとする課題〕
ところが、タルクからＭｇＯ成分を採取する方法にあっ
ては、湿式微粉砕したタルク粒子が鱗片状（円柱体を薄
くスライスしたような形状）で且つ粘性が高いという性
質がある．そのため、ボールミルでの湿式細磨時並びに
湿式調合時に、粘性が起因して他の原料が塊状で存在し
て沈澱したり、鱗片状であることが起因して浮遊したり
の形態を採り、得られる粒子の大きさにバラッキを伴う
という欠点があった．
従って、このようにして得られた泥漿状のマット釉薬を
、タイル表面へ塗布して焼成すると、前記粒子の大きさ
のバラッキにより各粒子の焼成反応速度がバラックよう
になり、結局、焼成後のタイル表面のマット模様の発色
の光沢や濃淡のバラッキとなる欠点があった．つまり、
画一的なマット模様の製品を得ることができないでいた
．（謀題を解決するための手段〕
本発明は、従来の前記課題に鑑みてこれを改良除去した
ものであって、マグネシア質原料を用いても泥漿中の水
分へＭ．Ｏ成分が溶出することのないマント釉薬の製造
方法を提供せんとするものである．
而して、前記課題を解決するために本発明が採用した手
段は、乾式粉砕したフリット原料と、マグネシア質原料
に含まれているＭｇＯ成分とを１０：ｌ〜１０：３ｗｔ
％の割合で乾式混合し、全体を高温処理して製造したＭ
ｇＯを含んだフリフトと、他の釉薬原料とを調合してマ
ット釉薬を製造するようにしている．
〔作 用〕
本発潮にあっては、先ず乾式粉砕した通常のフリット原
料と、マグネシア質原料に含まれてぃるＭｇＯ成分とを
１０：１〜１０：３ｗｔ％の割合で乾式混合している．
そして、全体を高温処理して、ＭｇＯを含んだフリフト
のマット釉原料を製造している．このマット釉原料は、
ＭｇＯ成分がガラス化されたフリフトの状態で存在する
．そのため、このマット釉原料に、長石，珪石．石灰石
．カオリン等の鉱物及び所定の頗料等の釉薬原料を加え
て湿式粉砕し、泥漿状のマット釉薬を製造しても前記Ｍ
ｇＯ成分が泥漿中の水分へ溶出するようなことはない．
従って、所望する量の固形分としてのＭｇＯ成分をタイ
ル素地表面へ塗布することができ、画一的なマット模様
を得ることが可能である．
ところで、混合割合を限定した理由は、１０：１ｗｔ％
に満たないと、このようにして得られたＭｇＯ成分を含
んだフリ７トを用いてマット釉薬を製造した場合に、模
様がマット状にならないためである．また混合割合が１
０：３ｗｔ％を越えると、マグネシア質原料に含まれて
いるＭｇＯ成分が高温処理時にガラス化されても、水等
を加えて泥漿状態のマット釉薬を製造した場合に、ガラ
ス自体が水分中へ溶出し、その結果、ＭｇＣＯ３成分も
溶出するからである．
〔実施例〕
以下に、本発明の製造方法を具体的な実施例に基づいて
説明すると次の通りである．
先ず、一般的なフリソト原料として、例えば、次のよう
な化学組成と調合割合（単位は−ｔ％である）のものを
準備する．
すなわち、
ＳｉＯｚ ５５〜７５
Ａ Ｉ ２０ ３ ０〜１０
８２０３ ０〜６
ＲＯ Ｏ〜ｌ５
Ｒ２０３〜１５
である．そして、この通常用いられるフリフト原料を乾
式粉砕し、粉砕されたフリット原料と、マグネシア質原
料（マグネサイト及びドロサイト）に含まれているＭｇ
Ｏ成分とを１０＋１〜１０：３ｗｔ％の割合で乾式調合
する．この調合割合を限定した理由については、後述す
る．
次に、上述の如《して乾式調合された材料を、１３００
〜１６００℃の範囲等で高温処理する．これにより、全
体がガラス化されたフリットとなる．勿論、マグネシア
質原料に含まれていたＭｇＯ成分も、ガラス化された状
態で存在するようになり、ＭｇＯ成分を含んだマット釉
薬を製造する場合の原料を得ることが可能である．
然る後は、このマット釉原料を乾式微粉砕し、その他の
長石，珪石，石灰石，カオリン等の絋物及び所定の顔料
とをボールミルへ投入し、通置の水を加えて湿式調合に
て泥漿伏のマント釉薬を製造する．
このようにして得られたマット釉薬にあっては、前記マ
ント釉原料がＭｇＯ成分を含んだガラス化されたフリッ
トであるため、ポールミルでの湿式調合時にあってもＭ
ｇＯ成分が泥漿の水分中へ溶出するようなことはない．
つまり、マント釉原料のＭｇＯ成分は、従来のようにマ
グネシア原料の鉱物粒子の状態で存在しないので泥漿の
水分中へこのＭ８Ｇ （ＭｇＣＯｉ ）成分が溶出す
ることはない．それ故、このようにして得られた泥漿状
のマット釉薬をタイル素地表面へ施釉した場合に、所望
する量のＭｇＯの固形成分をタイル素地表面へ塗布する
ことが可能である．そのため、その後に行われる焼成に
より、所望する発色の光沢や企画段階で定めた濃淡度を
有する画一的なマント模様を形成することが可能である
．
ところで、一般的に使用されているフリフト原料と、マ
グネシア質原料に含まれているＭｇＯ成分との混合割合
を前述した如く限定した理由は、その混合割合が１０：
１ｗｔ％に満たないと、高温処理後に得られたＭｇＯ成
分を含んだフリットを用いてマント釉薬を製造した場合
に、ＭｇＯ成分量が不足し、模様がマット状にならない
ためである．また混合割合が１０：３ｗｔ％を越えた場
合は、マグネシア質原料に含まれているＭｇＯ成分が高
温処理時にガラス化されても、水やその他の釉薬原料等
を加えて泥漿状態のマット釉薬を製造した場合に、ガラ
ス自体が水分中へ溶出し、その結果、ＭｇＣＯ３成分も
溶出するからである．
なお、本発明は上述した実施例に限定されるものではな
く、通宜の変更が可能である．例えば、マグネシア質原
料に含まれているＭｇＯ成分の混合割合は、ＭｇＣＯ３
を含む鉱物等において、ＭｇＯ換算で計算すればよい．
また一般的に用いられているフリ７ト原料の化学組成や
調合割合並びにマット釉原料を用いてマット釉薬を製造
する場合のその他の化学組成等は通宜の変更が可能であ
る．〔発明の効果〕
以上説明したように本発明にあっては、通常のフリント
原料とマグネシア質原料に含まれている８５０成分とを
所定の割合で乾式混合し、これを高温処理することで、
マット釉薬を製造する場合の原料としてのＭｇＯを含ん
だフリフトを製造し、更にこのＭｇＯを含んだフリット
とその他の釉薬原料とを調合（湿式粉砕）して泥聚状の
マット釉薬を製造している．
前記マット釉原料は、ｌｌＩｇｏ成分がガラス化された
フリットの状態で存在するので、これを用いて泥漿状の
マット釉薬を製造しても前記ＭｇＯ成分が泥漿中の水分
へ溶出するようなことはない．従って、所望する量の固
形分としてのＭｇＯ成分をタイル素地表面へ塗布するこ
とができ、発色の光沢と濃淡等が企画したとおりのマッ
ト模様を得ることができる．つまりは、表面性状の安定
したマ−／ ｝模様を得ることが可能である．
また前記マット釉原料を用いてマット釉薬を製造する場
合には、前記ＭｇＯ成分を含んだフリットがガラス化さ
れたフリットの状態で微粉砕されるので、その粒子の粒
度にバラッキを伴うことがない．従って、泥漿中の粒子
全体が均一化され、しかも泥漿の粘性も安定する．その
ため、結局は泥漿状のマット釉自体が安定した性質を示
すようになる．
手続ネ１１１正書 （自発）
平成２年２月９日
１ 事件の表示
平成１年特許願第４９１９５号
特許出願人 株式会社イナックス
同 日本フエロー株式会社
代 理 人 弁理士 内田敏彦
所在地
名称
代表者
愛知県常滑市鯉江本町３丁目６番地
（０４７）株式会社 イ ナ ッ ク ス代表取締役
伊 奈 輝 三
（外１名）
４代理人
大阪市北区梅田１丁目２番２−１２００号５ 禎正の対
象
（１）明細書の「特許請求の範囲」欄
（２）明細書の「発明の詳細な説明」欄６ ？＃正の
内容
（ｌ）「特許請求の範囲」欄の補正
別紙のとおり補正する．
（２）「発明の詳細な説明」欄の補正
■ 明細書第１頁下から第４行目に、
「マケルマナイト」
と記載されてあるのを、
「オケルマナイト」
と補正する．
■ 明ｍ書第２頁第２行目乃至第３行目に、「マケルマ
ナイト」
と記載されてあるのを、
「オケルマナイト」
と補正する．
■ 明細書第２頁第８行目に、
「マグネシア質原料から」
と記載されてあるのを、
「マグネサイトから」
と補正する．
■ 明細書第３頁第１行目に、
「マグネシア質原料から」
と記載されてあるのを、
「マグネサイトから」
と補正する．
■ 明細書第３頁第１３行目に、
「マグネシア質原料粒子の」
と記載されてあるのを、
「マグネサイト粒子の」
と補正する．
■ 明細書第５頁第４行乃至第５行目に、ｒ ＭｇＯ成
分が溶出することのない」と記載されてあるのを、
ｒ ＭｇＯ成分の溶出と焼成後におけるマット模様のバ
ラッキがない」
と補正する．
■ 明細書第５頁第１０行目に、
ｒｌｏ：３ｗｔ％の割合で」
と記載されてあるのを、
ｒｌｏ：３の重量比で」
と補正する．
■ 明細書第５頁第１７行目に、
ｒｌｏ：３ｗｔ％の割合で」
と記載されてあるのを、
ｒｌＯ：３の重量比で」
と補正する．
■ 明細書第６頁第１７行目に、
ｒＭｇｃＯ３成分」
と記載されてあるのを、
ｒ ＭｇＯ成分」
と補正する．
０ 明細書第７頁第１２行乃至第１３行目に、［マグネ
シア質原料（マグネサイト及びドロサイト）」
と記載されてあるのを、
「マグネシア質原料（タルク、マグネサイト等）」
と補正する．
■ 明細書第７頁第１４行乃至第１
ｒｌｏ：３ｗｔ％の割合で」
と記載されてあるのを、
ｒｌＯ：３の重量比で」
と補正する．
■ 明細書第９頁第１５行乃至第１
ｒＭｇｃＯ３成分」
と記載されてあるのを、
ｒＭｇＯ成分」
と補正する．
７ 添付書類の目録
補正後の特許請求の範囲の
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■．乾式粉砕したフリソト原料と、マグネシア質原料に
含まれているＭｇＯ成分とをｌＯ：１〜１０：３３で乾
式混合し、全体を高温処理して製造したＭｇＯを含んだ
フリットと、他の釉薬原料とを開合したことを特徴とす
るマット釉薬の製造方法．[Detailed Description of the Invention] [Industrial Application Field] The present invention provides that when a glaze containing an MgO component is fired,
Its main crystal is enstatite (MgO・Si02
), diopside (CaO-Mg0 ・2
Si02 ) and machermanite (2CaO ・Mg
The present invention relates to a method for producing a matte glaze in which one or more of the following (0.0 and 2Si02) is precipitated in a glaze layer to form a matte pattern. [Prior art] Enstatite mentioned above. As a method for producing matte glaze by precipitating main crystals such as geobside and machermanite, there is a method of collecting MgO components from magnesia raw materials.
A common method is to collect the MgO component from iOz H20). In the method of extracting κgO components from magnesia raw materials, ores such as magnesite and other feldspars, silica stones,
Minerals such as limestone and kaolin and specified pigments are placed in a ball mill, and a large amount of water is added for wet pulverization. Then, grinding is continued until the desired particle size is achieved, resulting in a slurry-like matte glaze. On the other hand, in the method of extracting the MgO component from talc, the roasted talc, other minerals such as feldspar, silica, limestone, and kaolin, and a prescribed pigment are wet-pulverized in a ball mill, and the same method as described above is used. Grinding is continued until the desired particle size is achieved, resulting in a slurry-like matte glaze. However, in the method of extracting the MgO component from the magnesia raw material described above, the MgCO3 component contained in ore particles such as magnesite is eluted into water during wet milling in a ball mill. Therefore, when wet-rolled and wet-opened slurry-like matte glaze is applied to the surface of the tile base in this way, the MgCO3 component eluted into the moisture permeates into the tile base as the moisture permeates into the tile base. However, there was a drawback that the desired amount of MgO component (solid content) could not be applied to the surface of the tile base. Therefore, it is natural that the desired matte pattern cannot be obtained. Of course, it is possible to anticipate the amount of MgCO3 that will dissolve into the moisture and increase the mixing ratio of the magnesia raw material particles by that amount, but it depends on the polishing conditions, the moisture adjustment of the tile base, the glazing conditions, etc. , the rate of moisture penetration into the tile base changes, and Mg remains as a solid content on the tile base surface.
It was difficult to obtain a steady matte pattern due to large variations in the amount of O component. Therefore, in the past, it was normal to extract the MgO component from talc and prepare matte glaze. The property of wet-pulverized talc particles is that they are scaly (shaped like thinly sliced cylinders) and have high viscosity. Therefore, during wet polishing in a ball mill and wet compounding, other raw materials may be present in the form of lumps and precipitate due to their viscosity, or they may be floating due to their scaly shape, resulting in The disadvantage is that the size of the particles produced varies. Therefore, when the slurry-like matte glaze obtained in this way is applied to the tile surface and fired, the firing reaction rate of each particle will vary due to the variation in the size of the particles, resulting in The drawback was that the gloss and shade of the matte pattern on the tile surface varied. In other words,
It was not possible to obtain a product with a uniform matte pattern. (Means for Solving the Problem) The present invention improves and eliminates the above-mentioned conventional problems, and even when magnesia raw materials are used, the M.O component is eluted into the water in the slurry. It is an object of the present invention to provide a method for producing a mantle glaze that will never occur before. Therefore, the means adopted by the present invention to solve the above-mentioned problems is to use dry-pulverized frit raw materials and magnesia-based raw materials. 10:l~10:3wt with MgO component
M produced by dry mixing at a ratio of % and then treating the whole at high temperature
Matte glaze is manufactured by mixing flift containing gO with other glaze raw materials. [Function] In this process, first, the dry-milled ordinary frit raw material and the MgO component contained in the magnesia raw material are dry-mixed at a ratio of 10:1 to 10:3 wt%. There is.
The whole is then subjected to high-temperature treatment to produce a matte glaze material for flift containing MgO. This matte glaze raw material is
The MgO component exists in a vitrified drift state. Therefore, feldspar and silica are used as raw materials for this matte glaze. Limestone. Even if a slurry-like matte glaze is produced by adding glaze raw materials such as minerals such as kaolin and specified porridges, and producing a slurry-like matte glaze,
The gO component does not elute into the water in the slurry.
Therefore, it is possible to apply a desired amount of MgO component as a solid content to the surface of the tile base, and it is possible to obtain a uniform matte pattern. By the way, the reason for limiting the mixing ratio is 10:1wt%
This is because if it is less than 1, the pattern will not become matte when a matte glaze is produced using the frit containing the MgO component thus obtained. Also, the mixing ratio is 1
If it exceeds 0:3wt%, even if the MgO component contained in the magnesia raw material is vitrified during high-temperature treatment, when water, etc. is added to produce a slimy matte glaze, the glass itself will be absorbed into the water. This is because the MgCO3 component is eluted as a result. [Examples] The manufacturing method of the present invention will be explained below based on specific examples. First, a general frisotho raw material having, for example, the following chemical composition and blending ratio (unit: -t%) is prepared. That is, SiOz 55-75 AI 20 3 0-10 8203 0-6 RO O-15 R203-15. Then, this commonly used frit raw material is dry-pulverized, and the Mg contained in the crushed frit raw material and the magnesia raw material (magnesite and dorosite) is
Dry blend O component at a ratio of 10+1 to 10:3 wt%. The reason for limiting this mixing ratio will be discussed later. Next, the dry blended material as described above was heated to 1300
High-temperature treatment in the range of ~1600℃. This results in a frit that is entirely vitrified. Of course, the MgO component contained in the magnesia raw material also exists in a vitrified state, and it is possible to obtain a raw material for producing a matte glaze containing the MgO component. After that, this matte glaze raw material is dry-pulverized, and other knitted materials such as feldspar, silica, limestone, and kaolin, and specified pigments are put into a ball mill, water is added, and wet mixing is carried out. Manufacture cloak glaze made of mud. In the matte glaze obtained in this way, since the raw material for the mantle glaze is a vitrified frit containing an MgO component, even during wet preparation in a pole mill, M
There is no possibility that the gO component will be eluted into the water of the slurry.
In other words, since the MgO component of the mantle glaze raw material does not exist in the form of mineral particles of the magnesia raw material as in the past, this M8G (MgCOi) component does not elute into the water of the slurry. Therefore, when the slurry-like matte glaze thus obtained is applied to the surface of a tile base, it is possible to apply a desired amount of the MgO solid component to the surface of the tile base. Therefore, through subsequent firing, it is possible to form a uniform cloak pattern with the desired coloring gloss and shading determined at the planning stage. By the way, the reason why the mixing ratio of the commonly used lift raw material and the MgO component contained in the magnesia raw material is limited as described above is that the mixing ratio is 10:
This is because if it is less than 1 wt%, when a cloak glaze is produced using a frit containing an MgO component obtained after high-temperature treatment, the amount of MgO component will be insufficient and the pattern will not become matte. In addition, if the mixing ratio exceeds 10:3 wt%, even if the MgO component contained in the magnesia raw material is vitrified during high-temperature treatment, water or other glaze raw materials may be added to create a slurry-like matte glaze. This is because when manufactured, the glass itself dissolves into moisture, and as a result, the MgCO3 component also dissolves. Note that the present invention is not limited to the embodiments described above, and can be modified as appropriate. For example, the mixing ratio of the MgO component contained in the magnesia raw material is MgCO3
For minerals containing MgO, calculations can be made in terms of MgO.
In addition, the chemical composition and blending ratio of commonly used frit raw materials, as well as other chemical compositions when producing matte glaze using matte glaze raw materials, can be changed as appropriate. [Effects of the Invention] As explained above, in the present invention, ordinary flint raw materials and 850 components contained in magnesia raw materials are dry mixed in a predetermined ratio, and this is subjected to high temperature treatment.
A frit containing MgO is produced as a raw material for producing matte glaze, and the frit containing MgO and other glaze raw materials are mixed (wet grinding) to produce a mud-like matte glaze. There is. Since the matte glaze raw material exists in the state of a frit in which the llIgo component is vitrified, even if a slurry-like matte glaze is produced using this raw material, the MgO component will not dissolve into the water in the slurry. do not have. Therefore, a desired amount of MgO component as a solid content can be applied to the surface of the tile base, and a matte pattern with the luster and shading of the color as planned can be obtained. In other words, it is possible to obtain a pattern with stable surface texture. Furthermore, when producing a matte glaze using the matte glaze raw material, the frit containing the MgO component is finely pulverized in a vitrified frit state, so there is no variation in the particle size of the particles. ．． Therefore, the particles in the slurry are all homogenized, and the viscosity of the slurry is also stabilized. As a result, the slurry-like matte glaze itself eventually shows stable properties. Procedural No. 111 Authorized Letter (Spontaneous) February 9, 1990 1 Case Description 1999 Patent Application No. 49195 Patent Applicant Inax Co., Ltd. Japan Fellow Co., Ltd. Agent Patent Attorney Toshihiko Uchida Location Name Representative Aichi Representative Director of Inax Co., Ltd., 3-6 Koiehonmachi, Tokoname City, Prefecture (047)
Teruzo Ina (1 other person) 4 Agent 1-2-2-1200-5 Umeda, Kita-ku, Osaka Subject of Sadamasa (1) “Claims” column of the specification (2) “Claims” column of the specification "Detailed Description of the Invention" Column 6? #Correct content (l) Amend the "Claims" column as shown in the attached sheet. (2) Amendment to the "Detailed Description of the Invention" column■ In the fourth line from the bottom of the first page of the specification, the entry "Makermanite" is amended to "Okermanite." ■ In the 2nd and 3rd lines of page 2 of the Book of Meiji, the word ``Makermanite'' has been corrected to ``Okermanite.'' ■ On page 2, line 8 of the specification, the statement ``from magnesia raw materials'' has been corrected to ``from magnesite.'' ■ In the first line of page 3 of the specification, the statement ``from magnesia raw material'' has been corrected to ``from magnesite.'' ■ On page 3, line 13 of the specification, the statement ``of magnesia raw material particles'' has been corrected to ``of magnesite particles.'' ■ On page 5, line 4 and line 5 of the specification, it is written that ``r MgO component does not elute''. Correct it as follows. ■ On page 5, line 10 of the specification, the statement "rlo: 3wt%" should be corrected to "rlo: 3wt%". ■ On page 5, line 17 of the specification, the statement "rlo: 3wt%" should be corrected to "rlO: 3wt%". ■ On page 6, line 17 of the specification, the statement "rMgcO3 component" is corrected to "rMgO component". 0 On page 7, line 12 and line 13 of the specification, the statement “magnesia raw materials (magnesite and dolosite)” has been amended to “magnesia raw materials (talc, magnesite, etc.)” do. ■ Page 7, line 14 to 1 of the specification: ``At a ratio of rlo:3 wt%'' is corrected to ``At a weight ratio of rlo:3.'' ■ From page 9, line 15 of the specification, the statement "rMgcO3 component" is corrected to "rMgO component." 7. A document stating the entire text of the amended scope of patent claims in the list of attached documents [Attachment] On the 5th line, and on the 6th line, 1 document stating the entire text of the amended scope of patent claims■. Frit containing MgO and other glaze raw materials produced by dry-mixing dry-pulverized frisoto raw materials and MgO components contained in magnesia raw materials at lO:1 to 10:33, and treating the whole at high temperature. A method for producing a matte glaze characterized by the following.
Claims (1)
含まれているＭｇＯ成分とを１０：１〜１０：３ｗｔ％
の割合で乾式混合し、全体を高温処理して製造したＭｇ
Ｏを含んだフリットと、他の釉薬原料とを調合したこと
を特徴とするマット釉薬の製造方法。1. The dry-pulverized frit raw material and the MgO component contained in the magnesia raw material are mixed at 10:1 to 10:3 wt%.
Mg produced by dry mixing at a ratio of
A method for producing a matte glaze, which comprises blending a frit containing O and other glaze raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4919589A JPH02229736A (en) | 1989-03-01 | 1989-03-01 | Production of mat glaze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4919589A JPH02229736A (en) | 1989-03-01 | 1989-03-01 | Production of mat glaze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02229736A true JPH02229736A (en) | 1990-09-12 |
| JPH0582334B2 JPH0582334B2 (en) | 1993-11-18 |
Family
ID=12824229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4919589A Granted JPH02229736A (en) | 1989-03-01 | 1989-03-01 | Production of mat glaze |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02229736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005004068A1 (en) * | 2005-01-24 | 2006-07-27 | Schott Ag | Lead- and cadmium-free glass for glazing, enamelling and decorating glasses or glass ceramics |
| JP2012046364A (en) * | 2010-08-25 | 2012-03-08 | Toto Ltd | Sanitary ware with antifouling property and mat tone surface |
-
1989
- 1989-03-01 JP JP4919589A patent/JPH02229736A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005004068A1 (en) * | 2005-01-24 | 2006-07-27 | Schott Ag | Lead- and cadmium-free glass for glazing, enamelling and decorating glasses or glass ceramics |
| DE102005004068B4 (en) * | 2005-01-24 | 2008-01-17 | Schott Ag | Lead- and cadmium-free glass and process for glazing, enamelling and decorating of glasses or glass-ceramics as well as use of the glass |
| JP2012046364A (en) * | 2010-08-25 | 2012-03-08 | Toto Ltd | Sanitary ware with antifouling property and mat tone surface |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0582334B2 (en) | 1993-11-18 |
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