JPS63111934A - Deflocculant and composition - Google Patents
Deflocculant and compositionInfo
- Publication number
- JPS63111934A JPS63111934A JP61259524A JP25952486A JPS63111934A JP S63111934 A JPS63111934 A JP S63111934A JP 61259524 A JP61259524 A JP 61259524A JP 25952486 A JP25952486 A JP 25952486A JP S63111934 A JPS63111934 A JP S63111934A
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- ring
- alkyl group
- deflocculant
- diaza
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 39
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 229910052602 gypsum Inorganic materials 0.000 abstract description 2
- 239000010440 gypsum Substances 0.000 abstract description 2
- 150000002989 phenols Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011505 plaster Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 229920000058 polyacrylate Polymers 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical class COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 3
- 229910052863 mullite Inorganic materials 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 description 2
- 150000005206 1,2-dihydroxybenzenes Chemical class 0.000 description 1
- ZFDWWDZLRKHULH-UHFFFAOYSA-N 1,2-dimethyl-5,6-dihydro-4h-pyrimidine Chemical compound CN1CCCN=C1C ZFDWWDZLRKHULH-UHFFFAOYSA-N 0.000 description 1
- XSIQTVXLJHONIX-UHFFFAOYSA-N 1-methyl-2-octyl-5,6-dihydro-4h-pyrimidine Chemical compound CCCCCCCCC1=NCCCN1C XSIQTVXLJHONIX-UHFFFAOYSA-N 0.000 description 1
- WALBTDFSFTVXII-UHFFFAOYSA-N 2,3,4,5,6-pentamethylphenol Chemical class CC1=C(C)C(C)=C(O)C(C)=C1C WALBTDFSFTVXII-UHFFFAOYSA-N 0.000 description 1
- PXSSNPBEHHJLDH-UHFFFAOYSA-N 2,3,4,5-tetramethylphenol Chemical class CC1=CC(O)=C(C)C(C)=C1C PXSSNPBEHHJLDH-UHFFFAOYSA-N 0.000 description 1
- XRUGBBIQLIVCSI-UHFFFAOYSA-N 2,3,4-trimethylphenol Chemical class CC1=CC=C(O)C(C)=C1C XRUGBBIQLIVCSI-UHFFFAOYSA-N 0.000 description 1
- NNAVBEAARXTLEG-UHFFFAOYSA-N 2-(10-methylundecyl)phenol Chemical class CC(C)CCCCCCCCCC1=CC=CC=C1O NNAVBEAARXTLEG-UHFFFAOYSA-N 0.000 description 1
- NFIDBGJMFKNGGQ-UHFFFAOYSA-N 2-(2-methylpropyl)phenol Chemical class CC(C)CC1=CC=CC=C1O NFIDBGJMFKNGGQ-UHFFFAOYSA-N 0.000 description 1
- QJQIVZBVEBCTKR-UHFFFAOYSA-N 2-(3-methylbutyl)phenol Chemical class CC(C)CCC1=CC=CC=C1O QJQIVZBVEBCTKR-UHFFFAOYSA-N 0.000 description 1
- NFAOATPOYUWEHM-UHFFFAOYSA-N 2-(6-methylheptyl)phenol Chemical class CC(C)CCCCCC1=CC=CC=C1O NFAOATPOYUWEHM-UHFFFAOYSA-N 0.000 description 1
- UZVAZDQMPUOHKP-UHFFFAOYSA-N 2-(7-methyloctyl)phenol Chemical class CC(C)CCCCCCC1=CC=CC=C1O UZVAZDQMPUOHKP-UHFFFAOYSA-N 0.000 description 1
- IXQGCWUGDFDQMF-UHFFFAOYSA-N 2-Ethylphenol Chemical class CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 1
- MVRPPTGLVPEMPI-UHFFFAOYSA-N 2-cyclohexylphenol Chemical class OC1=CC=CC=C1C1CCCCC1 MVRPPTGLVPEMPI-UHFFFAOYSA-N 0.000 description 1
- CRBJBYGJVIBWIY-UHFFFAOYSA-N 2-isopropylphenol Chemical class CC(C)C1=CC=CC=C1O CRBJBYGJVIBWIY-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- NPBVQXIMTZKSBA-UHFFFAOYSA-N Chavibetol Natural products COC1=CC=C(CC=C)C=C1O NPBVQXIMTZKSBA-UHFFFAOYSA-N 0.000 description 1
- 239000005770 Eugenol Substances 0.000 description 1
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 description 1
- 239000005844 Thymol Substances 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
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- RECUKUPTGUEGMW-UHFFFAOYSA-N carvacrol Chemical compound CC(C)C1=CC=C(C)C(O)=C1 RECUKUPTGUEGMW-UHFFFAOYSA-N 0.000 description 1
- HHTWOMMSBMNRKP-UHFFFAOYSA-N carvacrol Natural products CC(=C)C1=CC=C(C)C(O)=C1 HHTWOMMSBMNRKP-UHFFFAOYSA-N 0.000 description 1
- 235000007746 carvacrol Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- -1 catechols Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001896 cresols Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960002217 eugenol Drugs 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 229960001867 guaiacol Drugs 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- WYXXLXHHWYNKJF-UHFFFAOYSA-N isocarvacrol Natural products CC(C)C1=CC=C(O)C(C)=C1 WYXXLXHHWYNKJF-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229960000790 thymol Drugs 0.000 description 1
- 150000003739 xylenols Chemical class 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
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はセラミック解膠剤およびこれを含有するセラミ
ック組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a ceramic peptizer and a ceramic composition containing the same.
［従来の技術］ 従来セラミック泥漿の解膠剤として水ガラス。[Conventional technology] Water glass as a deflocculant for conventional ceramic slurry.
燐酸塩類、ポリアクリル酸塩が知られている。Phosphates and polyacrylates are known.
［発明が解決しようとする問題点］
しかしこれらの解膠剤は、水ガラスは焼き締まり現象が
起こる等の製品への悪影響１６青型腐蝕、燐酸塩類は大
量に用いると焼き締まり現象が起こる等の悪影響、少量
では効果が不十分、ポリアクリル酸塩は多聞の添加を必
要としコスト的制約が大きい等の問題点がある。[Problems to be solved by the invention] However, these peptizers have adverse effects on products, such as 16 blue corrosion when water glass is used, and sintering phenomenon occurs when phosphates are used in large quantities. There are problems such as negative effects of polyacrylates, insufficient effects when used in small amounts, and polyacrylates require the addition of large quantities, resulting in large cost constraints.
［問題点を解決するための手段］
本発明者らは、製品１石膏型に悪影響を及ぼさず、少量
でも効果のある。セラミック泥漿用解膠剤について鋭意
検討した結果、本発明に到達した。[Means for Solving the Problems] The present inventors have found that Product 1 does not have an adverse effect on plaster molds and is effective even in small amounts. As a result of extensive research into deflocculants for ceramic slurry, we have arrived at the present invention.
即ち、本発明は：
〔式中、Ｒ１は］」または炭素数１〜８のアルキル基、
Ｒ２は炭素数１〜８のアルキル基であるが、おるいはＲ
１とＲ２は結合してメチレン基の数が２〜１１で連なる
一つの環を形成していてもよい。ｎは２〜６の整数であ
る。環は何れの場合も低級アルキル基で置換されていて
もよい。〕で示されるシクロアミジン類の塩（ａ）から
なることを特徴とする、セラミック泥漿の解膠剤（第１
発明）：および
セラミック泥漿と、一般式（１）で示されるシクロアミ
ジン類からなる解膠剤を含有することを特徴とする、セ
ラミック組成物（第２発明）である。That is, the present invention provides: [In the formula, R1 is]" or an alkyl group having 1 to 8 carbon atoms,
R2 is an alkyl group having 1 to 8 carbon atoms;
1 and R2 may be combined to form one ring in which the number of methylene groups is 2 to 11. n is an integer from 2 to 6. The ring may in each case be substituted with a lower alkyl group. ] A deflocculant for ceramic slurry (first
Invention): A ceramic composition (second invention) characterized by containing a ceramic slurry and a deflocculant consisting of a cycloamidine represented by the general formula (1).
一般式（１）で示されるシクロアミジン類としては特開
昭５８−３４８７８号公報記載の化合物が使用でき、例
えば次のものが挙げられる。As the cycloamidines represented by the general formula (1), compounds described in JP-A-58-34878 can be used, such as the following.
（１）モノシクロアミジン類：たとえば１−メチルイミ
ダシリン、１，２−ジメチルイミダシリン、１−メチル
−２−エチルイミダシリン、１−メチル−２−オクチル
イミダシリン；１−メチル−１，４，５，８−テトラハ
イドロピリミジン、１，２−ジメチル−１，４，５，６
−テトラハイドロピリミジン、１−メチル−２−エチル
−１，ｄ、５．６−テトラハイドロピリミジン、１−メ
チル−２−ブチル−１，４，５，８−テトラハイドロピ
リミジン、１−メチル−２−オクチル−１，４，５，６
−テトラハイドロピリミジン、 １，２．４−トリメチ
ル−１゜１１．５．６−テトラハイドロピリミジン等：
および（２）一般式：
〔式中、ｍは２〜１１．ｎは２〜６の整数である。(1) Monocycloamidines: For example, 1-methylimidacillin, 1,2-dimethylimidacillin, 1-methyl-2-ethylimidacilline, 1-methyl-2-octylimidacillin; 1-methyl -1,4,5,8-tetrahydropyrimidine, 1,2-dimethyl-1,4,5,6
-tetrahydropyrimidine, 1-methyl-2-ethyl-1,d, 5,6-tetrahydropyrimidine, 1-methyl-2-butyl-1,4,5,8-tetrahydropyrimidine, 1-methyl-2 -octyl-1,4,5,6
-tetrahydropyrimidine, 1,2,4-trimethyl-1゜11.5.6-tetrahydropyrimidine, etc.:
and (2) general formula: [wherein m is 2 to 11. n is an integer from 2 to 6.
環は何れの場合も低級アルキル基で置換されていてもよ
い。〕
で示されるジアザ−ごシクロアルケン類、たとえば
１．５−ジアザ−ビシクロ（４，２，０＞オクテン−５
゜１．４−ジアザ−ビシクロ（３，３，０＞オクテン−
４゜３−メチル−１，４−ジアザ−ビシクロ（３，３，
０）オクテン−４゜
１．５−ジアザ−ビシクロ（４，３，０）ノネン−５゜
１．８−ジアザ−ビシクロ（７，３，０’）ドデセン−
８゜１．５−ジアザ−ビシクロ（４，４，０＞デセン−
５゜１．８−ジアザ−ビシクロ（７，４，０） トリデ
セン−８゜１．８−ジアザ−ビシクロ（５，３，０＞デ
セン−７゜１．８−ジアザ−ビシクロ（５，４，０）ウ
ンデセン−７゜９−メチル−１，８−ジアザ−ビシクロ
（５，４，０＞ウンデセン−７゜
１．８−ジアザ−ビシクロ（７，５，０）テトラデセン
−８゜１．１０−ジアザ−ビシクロ（７，４，０＞ ト
リデセン−９゜１．１４−ジアザ−ビシクロ（１１，４
，０）へブタデセン−１３゜
これらのうち、好ましいのは一般式（１）で示されるジ
アザ−ビシクロアルケン類、とくに１，８−ジアザ−ビ
シクロ（５，４，０）ウンデセン−７〔以下ＤＢＬＪと
略記（なおりＢＵはサンアプロ■の登録商標である。）
〕である。The ring may in each case be substituted with a lower alkyl group. ] Diaza-cycloalkenes represented by, for example, 1,5-diaza-bicyclo(4,2,0>octene-5
゜1.4-diaza-bicyclo(3,3,0>octene-
4゜3-Methyl-1,4-diaza-bicyclo(3,3,
0) Octene-4゜1.5-diaza-bicyclo(4,3,0)nonene-5゜1.8-diaza-bicyclo(7,3,0')dodecene-
8゜1.5-diaza-bicyclo(4,4,0>decene-
5゜1.8-Diaza-bicyclo(7,4,0) Tridecene-8゜1.8-Diaza-bicyclo(5,3,0>Decene-7゜1.8-Diaza-bicyclo(5,4, 0) Undecene-7゜9-methyl-1,8-diaza-bicyclo(5,4,0>Undecene-7゜1.8-diaza-bicyclo(7,5,0)tetradecene-8゜1.10- Diaza-bicyclo(7,4,0> tridecene-9゜1,14-diaza-bicyclo(11,4
,0)hebutadecene-13゜Among these, preferred are diaza-bicycloalkenes represented by the general formula (1), particularly 1,8-diaza-bicyclo(5,4,0)undecene-7 [hereinafter referred to as DBLJ (Naori BU is a registered trademark of Sun-Apro ■.)
].
上記シクロアミジン類の塩としては、特公昭４６−ｉｏ
ｉａａ号公報、特公昭４６−３７５０３号公報、特開昭
５２−１１７９９２号公報および特開昭５２−１１７９
９３号公報に記載されている塩、たとえばフェノール類
との塩があげられる。As the salts of the above-mentioned cycloamidines,
iaa publication, JP 46-37503, JP 52-117992, and JP 52-1179.
Examples include salts described in Japanese Patent No. 93, such as salts with phenols.
フェノール類としては一価フエノールたとえばフェノー
ル、クレゾール類、キシレノール類、ナフトール類、ト
リメチルフェノール類、テトラメチルフェノール類、ペ
ンタメチルフェノール類。Examples of phenols include monovalent phenols such as phenol, cresols, xylenols, naphthols, trimethylphenols, tetramethylphenols, and pentamethylphenols.
エチルフェノール類、ｎ−およびイソ−プロピルフェノ
ール類、ｎ−およびイソブチルフェノール類、シクロヘ
キシルフェノール類、ｎ−およびイソ−アミルフェノー
ル類、イソ−オクチルフェノール類、イソ−ノニルフェ
ノール類、イソ−ドデシルフェノール類、ジーおよびポ
リ置換フェノール類（チモール、カルバクロール、ジ−
イソ−アルキルフェノールなど）、メトキシフェノール
類（オイゲノール、グアヤコールなど）；二価フェノー
ル類たとえばカテコール類、レジルシン類など；多価フ
ェノール類たとえばピロガロール、フロログルシンなど
があげられる。Ethylphenols, n- and iso-propylphenols, n- and isobutylphenols, cyclohexylphenols, n- and iso-amylphenols, iso-octylphenols, iso-nonylphenols, iso-dodecylphenols, di- and polysubstituted phenols (thymol, carvacrol, di-
iso-alkylphenol, etc.), methoxyphenols (eugenol, guaiacol, etc.); dihydric phenols, such as catechols, resilcins, etc.; polyhydric phenols, such as pyrogallol, phloroglucin, etc.
本発明において用いるセラミック泥漿を構成する。セラ
ミックとしては、高温に加熱することによって一般に焼
結体となり得るもので、カオリン。This constitutes the ceramic slurry used in the present invention. Kaolin is a ceramic that can be turned into a sintered body by heating it to a high temperature.
粘土類、シリカ、アルミナ、長石、陶石、ムライト、ジ
ルコン、ジルコニア、チタニア、炭化珪素。Clays, silica, alumina, feldspar, pottery stone, mullite, zircon, zirconia, titania, silicon carbide.
コージライト、マグネシアなどがあり、またこれら各種
の原料を混合したものがある。これらは、通常セラミッ
ク粉として水中に分散されてセラミック泥漿を形成する
。There are cordierite, magnesia, etc., and there are also mixtures of these various raw materials. These are usually dispersed as ceramic powders in water to form ceramic slurries.
セラミック粉の分散に使用される水としては、軟水、硬
水、イオン交換水、蒸留水などがある。Examples of water used for dispersing ceramic powder include soft water, hard water, ion exchange water, and distilled water.
セラミック泥漿中のセラミックの含量は広範囲にわたり
変えることができるが、通常５０〜８５ｉ！Ｊｔ％、好
ましくは６０〜８０重伍％である。The content of ceramic in the ceramic slurry can vary over a wide range, but is usually between 50 and 85i! Jt%, preferably 60 to 80% by weight.
本発明の解膠剤は、通常セラミック粉に水を加えて形成
したセラミック泥漿に添加混合して用いられるが、その
添加・混合の順序・方法はとくに限定されず、セラミッ
ク泥漿形成の際に同時に混合したり、セラミック粉、水
の一方または双方に予め添加・混合しておいてセラミッ
ク泥漿を形成してもよい。The deflocculant of the present invention is usually used by being added to and mixed with ceramic slurry formed by adding water to ceramic powder, but the order and method of addition and mixing are not particularly limited. The ceramic slurry may be formed by mixing or by adding and mixing the ceramic powder and/or water in advance.
本発明の解膠剤の使用量は、セラミックの重量に基づい
て、通常０．０１〜５％好ましくは０．０５〜３％でお
る。解膠剤の量が多くなりすぎると石膏鋳型への悪影響
のおそれがあり、少なすぎると解膠効果が不十分となり
、好ましくない。The amount of the deflocculant used in the present invention is usually 0.01 to 5%, preferably 0.05 to 3%, based on the weight of the ceramic. If the amount of peptizer is too large, it may have an adverse effect on the gypsum mold, and if it is too small, the peptizing effect will be insufficient, which is not preferable.
本発明の解膠剤は必要により他の解膠剤、たとえばポリ
アクリル酸塩、燐酸塩類、水ガラスと併用しることもで
きる。本発明の解膠剤（ａ）と他の解膠剤との割合（重
量比）は、例えば１０−０〜１：９、好ましくは１０：
０〜５：５である。The peptizer of the present invention can be used in combination with other peptizers, such as polyacrylates, phosphates, and water glass, if necessary. The ratio (weight ratio) of the deflocculant (a) of the present invention to other deflocculants is, for example, 10-0 to 1:9, preferably 10:
The ratio is 0 to 5:5.
本発明の組成物は、通常、（ａ）からなる解膠剤の添加
混合１分後のセラミック組成物スラリー粘度は１００〜
７００ｃｐｓ 、可使時間は５０秒〜５分、硬化時間は
１分半〜１５分、脱型時間は３分〜３０分である。In the composition of the present invention, the viscosity of the ceramic composition slurry after 1 minute of addition and mixing of the deflocculant consisting of (a) is usually 100 to 100.
700 cps, pot life is 50 seconds to 5 minutes, curing time is 1 and a half minutes to 15 minutes, and demolding time is 3 minutes to 30 minutes.
上記セラミック組成物は鋳込成型される。The above ceramic composition is cast.
セラミック鋳込成形法としては排泥法が挙げられる。こ
の方法では、上記組成物を石膏型に注入し、生成形体を
作成する。次いで、脱型後、高温加熱炉中で加熱する。The ceramic casting method includes a mud removal method. In this method, the composition is injected into a plaster mold to create a green body. Then, after demolding, it is heated in a high-temperature heating furnace.
この加熱はセラミック粉の焼結を目的に行うもので、焼
結は通常１１００℃以上、好ましくは１３００〜２００
０’Ｃの温度で行われる。焼結後、放冷したのち、加熱
炉から取り出し、焼成品を得る。This heating is performed for the purpose of sintering the ceramic powder, and sintering is usually performed at a temperature of 1,100°C or higher, preferably 1,300 to 200°C.
It is carried out at a temperature of 0'C. After sintering, it is allowed to cool and then taken out from the heating furnace to obtain a fired product.
［実施例］
以下、実施例により本発明をざらに説明するが、本発明
はこれに限定されるものではない。実施例において部は
重量部を示す。[Examples] Hereinafter, the present invention will be briefly described with reference to Examples, but the present invention is not limited thereto. In the examples, parts indicate parts by weight.
実施例１
ムライト１００部および水３５部からなる泥漿組成物に
ＤＢｔＪのフェノール塩０．４部を添加し、混合して本
発明のセラミック組成物を得た。この組成物は１分後の
粘度が１５０ ＣｐＳ ／２５°Ｃで極めて流動性に富
むものであった。Example 1 0.4 part of phenol salt of DBtJ was added to a slurry composition consisting of 100 parts of mullite and 35 parts of water and mixed to obtain a ceramic composition of the present invention. This composition had a viscosity of 150 CpS/25°C after 1 minute and was extremely fluid.
これに対しＤＢＵのフェノール塩無添加の泥漿の粘度は
１，０００ ｃｏｓ ／２５℃であった。On the other hand, the viscosity of DBU slurry without the addition of phenol salt was 1,000 cos/25°C.
次に、本発明のセラミック組成物を石膏型に排泥法にて
鋳込み成形して板状の成形品とし、脱型後、１４５０℃
で焼成してムライト板を作った。その際、焼き締まり現
象は見られず、得られたものは耐熱性に優れたものであ
った。又、使用した石膏型は腐蝕による損傷は全く認め
られなかった。Next, the ceramic composition of the present invention was cast into a plaster mold by the mud removal method to form a plate-shaped molded product, and after demolding, the temperature was raised to 1450°C.
I made a mullite board by firing it. At that time, no hardening phenomenon was observed, and the obtained product had excellent heat resistance. Furthermore, no damage due to corrosion was observed in the plaster mold used.
実施例２
コージライト１００部および水３５部からなる泥漿組成
物にＤＢｔＪのフェノール塩１部を添加し、混合して本
発明のセラミック組成物を得た。この組成物は１分後の
粘度が４００ ｃｐｓ ／２５℃で極めて流動性に富む
ものであった。Example 2 1 part of phenol salt of DBtJ was added to a slurry composition consisting of 100 parts of cordierite and 35 parts of water and mixed to obtain a ceramic composition of the present invention. This composition had a viscosity of 400 cps/25° C. after 1 minute and was extremely fluid.
これに対しＤＢＵのフェノール塩無添加の泥漿の粘度は
９００ Ｃ１）Ｓ ／２５℃であった。On the other hand, the viscosity of DBU slurry without the addition of phenol salt was 900 C1)S/25°C.
次に、本発明のセラミック組成物を石膏型に排泥法にて
鋳込み成形してパイプ状の成形品とし、脱型後、１７０
０℃で焼成してコージライト環状体を作った。その際、
焼き締まり現象は見られず、得られたものは耐熱性に優
れたものでおった。又、使用した石膏型は腐蝕による損
傷は全く認められなかった。Next, the ceramic composition of the present invention was cast into a plaster mold by the mud removal method to form a pipe-shaped molded product, and after demolding,
A cordierite ring was produced by firing at 0°C. that time,
No hardening phenomenon was observed, and the obtained product had excellent heat resistance. Furthermore, no damage due to corrosion was observed in the plaster mold used.
［発明の効果］
本発明の解膠剤を用いて形成したセラミック組成物は、
下記のような効果を有する。[Effect of the invention] The ceramic composition formed using the deflocculant of the invention has the following properties:
It has the following effects.
（１）焼成の際の焼き締まり現象がない。(1) There is no curing phenomenon during firing.
（２）石膏型を腐蝕しない。(2) Does not corrode the plaster mold.
（３）耐熱性に優れた焼成セラミックを得ることができ
る。(3) A fired ceramic with excellent heat resistance can be obtained.
Claims (1)
Ｒ＿２は炭素数１〜８のアルキル基であるか、あるいは
Ｒ＿１とＲ＿２は結合してメチレン基の数が２〜１１で
連なる一つの環を形成していてもよい。ｎは２〜６の整
数である。環は何れの場合も低級アルキル基で置換され
ていてもよい。〕で示されるシクロアミジン類の塩（ａ
）からなることを特徴とする、セラミック泥漿の解膠剤
。 ２、該シクロアミジン類が、一般式： ▲数式、化学式、表等があります▼・・（２） 〔式中、ｍは２〜１１、ｎは２〜６の整数である。 環は何れの場合も低級アルキル基で置換されていてもよ
い。〕 で示されるジアザ−ビシクロアルケン類である特許請求
の範囲第１項記載の解膠剤。 ３、該ジアザ−ビシクロアルケン類が１、８−ジアザ−
ビシクロ（５、４、０）ウンデセン−７の塩である特許
請求の範囲第２項記載の解膠剤。 ４、塩がフェノール類の塩である特許請求の範囲第１項
〜第３項のいずれか一項に記載の解膠剤。 ５、セラミック泥漿と、 一般式： ▲数式、化学式、表等があります▼・・（１） 〔式中、Ｒ＿１はＨまたは炭素数１〜８のアルキル基、
Ｒ＿２は炭素数１〜８のアルキル基であるか、あるいは
Ｒ＿１とＲ＿２は結合してメチレン基の数が２〜１１で
連なる一つの環を形成していてもよい。ｎは２〜６の整
数である。環は何れの場合も低級アルキル基で置換され
ていてもよい。〕で示されるシクロアミジン類の塩（ａ
）からなる解膠剤を含有することを特徴とする、セラミ
ック組成物。 ６、セラミックの重量に基づいて０．０１〜５％の（ａ
）を含有する特許請求範囲第５項記載の組成物。[Claims] 1. General formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼...(1) [In the formula, R_1 is H or an alkyl group having 1 to 8 carbon atoms,
R_2 may be an alkyl group having 1 to 8 carbon atoms, or R_1 and R_2 may be combined to form one ring in which the number of methylene groups is 2 to 11. n is an integer from 2 to 6. The ring may in each case be substituted with a lower alkyl group. ] cycloamidine salts (a
) A deflocculant for ceramic slurry. 2. The cycloamidines have a general formula: ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (2) [In the formula, m is an integer of 2 to 11 and n is an integer of 2 to 6. The ring may in each case be substituted with a lower alkyl group. ] The deflocculant according to claim 1, which is a diaza-bicycloalkene represented by the following. 3. The diaza-bicycloalkenes are 1,8-diaza-
The peptizer according to claim 2, which is a salt of bicyclo(5,4,0)undecene-7. 4. The peptizer according to any one of claims 1 to 3, wherein the salt is a phenol salt. 5. Ceramic slurry and general formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼...(1) [In the formula, R_1 is H or an alkyl group with 1 to 8 carbon atoms,
R_2 may be an alkyl group having 1 to 8 carbon atoms, or R_1 and R_2 may be combined to form one ring in which the number of methylene groups is 2 to 11. n is an integer from 2 to 6. The ring may in each case be substituted with a lower alkyl group. ] cycloamidine salts (a
) A ceramic composition characterized by containing a deflocculant consisting of: 6. 0.01-5% (a
) The composition according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61259524A JPS63111934A (en) | 1986-10-30 | 1986-10-30 | Deflocculant and composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61259524A JPS63111934A (en) | 1986-10-30 | 1986-10-30 | Deflocculant and composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63111934A true JPS63111934A (en) | 1988-05-17 |
Family
ID=17335297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61259524A Pending JPS63111934A (en) | 1986-10-30 | 1986-10-30 | Deflocculant and composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002321981A (en) * | 2001-04-23 | 2002-11-08 | Sanyo Chem Ind Ltd | Dispersant for ceramic material |
| JP4773025B2 (en) * | 2000-02-08 | 2011-09-14 | コンセホ・スペリオール・デ・インベスティガシオネス・シエンティフィカス | Catalyst testing apparatus and use of the apparatus in material testing |
-
1986
- 1986-10-30 JP JP61259524A patent/JPS63111934A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4773025B2 (en) * | 2000-02-08 | 2011-09-14 | コンセホ・スペリオール・デ・インベスティガシオネス・シエンティフィカス | Catalyst testing apparatus and use of the apparatus in material testing |
| JP2002321981A (en) * | 2001-04-23 | 2002-11-08 | Sanyo Chem Ind Ltd | Dispersant for ceramic material |
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