JPH03279256A - Composition for ceramic green sheet and sheet and sintered compact thereof - Google Patents
Composition for ceramic green sheet and sheet and sintered compact thereofInfo
- Publication number
- JPH03279256A JPH03279256A JP2078927A JP7892790A JPH03279256A JP H03279256 A JPH03279256 A JP H03279256A JP 2078927 A JP2078927 A JP 2078927A JP 7892790 A JP7892790 A JP 7892790A JP H03279256 A JPH03279256 A JP H03279256A
- Authority
- JP
- Japan
- Prior art keywords
- ceramic green
- composition
- green sheet
- ceramic
- sheet
- 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
- 239000000919 ceramic Substances 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims 1
- 125000005375 organosiloxane group Chemical group 0.000 abstract description 5
- 229920002799 BoPET Polymers 0.000 description 8
- 239000006082 mold release agent Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Capacitors (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、製造時担体フィルムからの剥離性を改善した
セラミックグリーンシート、その組成物及びセラミック
グリーンシートを用いて得られるセラミック焼結体に関
する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a ceramic green sheet with improved peelability from a carrier film during production, a composition thereof, and a ceramic sintered body obtained using the ceramic green sheet. .
積層コンデンサ、積層インダクタ及び積層ＬＣフィルタ
ー等に代表される積層セラミック電子部品は、回路塗膜
を形成したセラミ・ツクグリーンシートを積層し、焼成
したものである。Multilayer ceramic electronic components, such as multilayer capacitors, multilayer inductors, and multilayer LC filters, are made by laminating and firing ceramic green sheets with circuit coatings formed thereon.
セラミックグリーンシートは、チタン酸バリウム等のセ
ラミック誘電体粉末とポリビニルブチラール等のバイン
ダー等を水あるいは有機溶剤とともにボールミル等で混
練して得られるスラリーを、離型８剤処理したポリエチ
レンテレフタレートフィルム（にｌ下、ＰＥＴフィルム
という）−Ｆでトクタブレード法等によりｌＯ〜５０μ
−の厚さのシート状に成形され、乾燥されたものである
。Ceramic green sheets are made by mixing a slurry obtained by kneading ceramic dielectric powder such as barium titanate and a binder such as polyvinyl butyral with water or an organic solvent in a ball mill, etc., and then mixing it with a polyethylene terephthalate film (treated with 8 mold release agents). Below, it is referred to as PET film) -F by the Tokuta blade method etc. lO ~ 50μ
It is formed into a sheet with a thickness of - and dried.
このようにして形成されたセラミックグリーンシートに
は電子回路が印刷されるが、例えば積層セラミックコン
デンサ用セラミックグリーンシートには金属粉末とバイ
ンダー等からなる金属ペーストが印刷され、内部電極塗
膜が形成される。Electronic circuits are printed on the ceramic green sheets formed in this way. For example, on the ceramic green sheets for multilayer ceramic capacitors, a metal paste consisting of metal powder and a binder is printed, and an internal electrode coating is formed. Ru.
次に、これらセラミックグリーンシートを前記離型剤処
理したＰＥＴフィルムから剥がし、その複数枚を内部電
極塗膜がセラミックグリーンシートを介して重なるよう
に積層し、さらに上下両側にセラミックグリーンシート
を重ね、加圧装置により圧着する。Next, these ceramic green sheets are peeled off from the PET film treated with the mold release agent, and a plurality of the ceramic green sheets are laminated so that the internal electrode coatings overlap via the ceramic green sheets, and further ceramic green sheets are layered on both the upper and lower sides. Crimp using a pressure device.
そして、この得られた積層体を製品の内部電極のパター
ンにしたがってチップ状に切断し、１２００〜１４００
℃で焼成した後、得られた焼結チップ状体の両端面に上
記と同様の金属ペーストを塗布し、７００〜９００℃で
焼成して外部電極を形成し、積層セラミックコンデンサ
を得る。Then, the obtained laminate was cut into chips according to the internal electrode pattern of the product.
After firing at a temperature of 0.degree. C., a metal paste similar to that described above is applied to both end surfaces of the obtained sintered chip-like body, followed by firing at a temperature of 700 to 900.degree. C. to form external electrodes, thereby obtaining a multilayer ceramic capacitor.
ところで、セラミクツリーンシート製造時にその材料組
成物のスラリーを前記離型剤処理したＰＥＴフィルムに
塗布する際に、この離型剤によりスラリーの濡れが悪（
なり、はじき、ピンホール、あばた等を発注する現象が
見られる。By the way, when a slurry of the material composition is applied to the PET film treated with the mold release agent during production of the ceramic green sheet, the wetting of the slurry may be poor due to the mold release agent (
Phenomenon such as curling, repelling, pinholes, pockmarks, etc. are observed.
その結果として、離型剤処理したＰＥＴフィルムから剥
がされたセラミックグリーンシート表面に起伏が生じる
等のセラミックグリーンシート表面の均一性が損なわれ
るという問題が生しる。As a result, a problem arises in that the surface uniformity of the ceramic green sheet is impaired, such as undulations occurring on the surface of the ceramic green sheet peeled off from the PET film treated with the mold release agent.
本発明の目的は、担体フィルム上でセラミックグリーン
シートに形成する際に、弾かれることのないセラミック
グリーンシート、その組成物及びセラミックグリーンシ
ートを用いて得られたセラミック焼結体を提供すること
にある。An object of the present invention is to provide a ceramic green sheet that is not repelled when formed into a ceramic green sheet on a carrier film, a composition thereof, and a ceramic sintered body obtained using the ceramic green sheet. be.
本発明は、上記課題を解決するために、セラミック粉末
と、バインダーを有するセラミックグリーンシート用組
成物において、下記一般式（Ｉ）で表される有機シロキ
サンを含有するセラミックグリーンシート用組成物を提
供するものである。In order to solve the above problems, the present invention provides a composition for ceramic green sheets containing an organic siloxane represented by the following general formula (I) in a composition for ceramic green sheets having a ceramic powder and a binder. It is something to do.
（式中、Ｒ及びＲ２は各々独立に水素、メチル基、フェ
ニル基又はビニル基を示し、ｎは自然数を示す）
Ｒ１、Ｒ２は具体的には、共にメチル基、一方がメチル
基、他方がフェニル基（−Ｃ５１（５）、−万かメチル
基、他方がビニル基（ＣＨ２＝ＣＨ−）の組み合わせが
例示できる。これらは単独又は２棟以上併用して用いら
れる。(In the formula, R and R2 each independently represent hydrogen, a methyl group, a phenyl group, or a vinyl group, and n represents a natural number.) Specifically, R1 and R2 are both a methyl group, one is a methyl group, and the other is a methyl group. An example is a combination of a phenyl group (-C51(5)), a methyl group on the other hand and a vinyl group (CH2=CH-) on the other hand. These may be used alone or in combination of two or more.
有機シロキサンはバインダー１００重量部に対して０，
０１〜１０．０重量部の割合で含有することも好ましい
。０．０１を置部より少ないと、セラミクツグリーンシ
ートの表面張力の低下が少なく 、１０．Ｏｉ量部より
多いとセラミックグリーンシートの強度を低下すること
がある。Organosiloxane is 0,0% per 100 parts by weight of binder
It is also preferable to contain it in a proportion of 0.01 to 10.0 parts by weight. If the amount is less than 0.01, the surface tension of the ceramic green sheet will decrease less, and 10. If the amount exceeds the amount of Oi, the strength of the ceramic green sheet may be reduced.
また、本発明は、上記組成物を用いて得られるセラミッ
クグリーンシート及びこれを用いて得られるセラミック
焼結体を提供するものである。The present invention also provides a ceramic green sheet obtained using the above composition and a ceramic sintered body obtained using the same.
セラミックグリーンシートに上記一般式（１）に属する
有機シロキサンを含有させると、セラミックグリーンシ
ートの表面張力が低下して、離型剤処理したＰＥＴフィ
ルムに対する濡れ性を同上させることができる。When the ceramic green sheet contains an organic siloxane belonging to the above general formula (1), the surface tension of the ceramic green sheet is reduced, and the wettability with respect to a PET film treated with a mold release agent can be improved.
次に本発明の詳細な説明する。 Next, the present invention will be explained in detail.
実施例１
下記各成分を秤量して得た配合物を１７！のポリエチレ
ン製ポットに仕込み、５Ｑｒｐｍ 、１５時間ボールミ
ル法により湿式混合し、スラリーを得た。Example 1 A mixture obtained by weighing the following components was 17! The mixture was placed in a polyethylene pot and wet mixed by a ball mill method at 5 Qrpm for 15 hours to obtain a slurry.
チタン酸バリウム（平均粒径Ｕ、５μｍ） ３００ ｇ
ポリビニルブチラール ３０ ｇ表１の
実施例１の欄の有機シロキサン ３ｇオレイン酸
３ｇジオクチルフタレート
１５ ｇトルエン
１５０ｇエタノール １
５０ｇ次に、このスラリーを、１．Ｑ ｍｍ）Ｉｇの圧
力下に１５分装置し、脱気処理を行った。Barium titanate (average particle size U, 5 μm) 300 g
Polyvinyl butyral 30 g Organosiloxane in the Example 1 column of Table 1 3 g Oleic acid
3g dioctyl phthalate
15 g toluene
150g ethanol 1
Next, add 50g of this slurry to 1. The device was placed under pressure of Q mm) Ig for 15 minutes to perform deaeration treatment.
このスラリーを寸法１００ Ｘ５００ ｍのシリコン系
離型剤処理したＰＥＴフィルム上に、隙間３０μ−のド
クターブレードにて、寸法５０Ｘ５０ｍとなるように塗
布し、乾燥させ、厚さ約１ＯＩＪＩＩのセラミツタグリ
ーンシートを得た。This slurry was applied onto a PET film treated with a silicon-based mold release agent with dimensions of 100 x 500 m using a doctor blade with a gap of 30 μ- to a size of 50 x 50 m, and dried to form a ceramic ivy green sheet with a thickness of about 1 OIJII. I got it.
このセラミックグリーンシートをＰＥＴフィルムから剥
がし、５０ｆｉ四万に成形したセラミフタグリーンシー
ト２０枚について各２５個所を選び、それぞれの厚みを
測定し、そのバラツキを求めた。また、セラミックグリ
ーンシートの引張り強度を２０枚について調べた。これ
らの結果を第２表に示す。This ceramic green sheet was peeled off from the PET film, and 25 locations were selected for each of the 20 Ceramifta green sheets molded to a size of 50 fi 40,000, the thickness of each was measured, and the variation thereof was determined. In addition, the tensile strength of 20 ceramic green sheets was examined. These results are shown in Table 2.
実施例２〜８
実施例１において、第１表の各々の実施例の欄の第２欄
に記載された有機シロキサンを同第３欄に記載された量
（ポリビニルブチラール１００重量部に対する重量部）
用いた以外は同様にしてセラミックグリーンシートを作
製し、これらについても実施例１と同様に測定した結果
を第２表に示す。Examples 2 to 8 In Example 1, the organic siloxane listed in the second column of each Example column in Table 1 was added in the amount listed in the third column (parts by weight based on 100 parts by weight of polyvinyl butyral).
Ceramic green sheets were produced in the same manner as in Example 1, except that the ceramic green sheets were used, and the results were measured in the same manner as in Example 1, and the results are shown in Table 2.
比較例１
実施例１において、有機シロキサンを用いなかった以外
は同様にしてセラミックグリーンシートを作製し、これ
についても実施例１と同様に測定した結果を！＠２表に
示す。Comparative Example 1 A ceramic green sheet was produced in the same manner as in Example 1 except that no organic siloxane was used, and the results were measured in the same manner as in Example 1. @2 Shown in table.
（この頁以下余白）
第２表
上記実施例ではバインダーとしてポリビニルブチラール
を使用したが、例えばポリメチルメタクリレート、ポリ
メチルアクリレート、ポリウレタン、ポリ塩化ビニルあ
るいはニトロセルローズも使用でき、これらは２種以上
併用することもできる。(Margins below this page) Table 2 In the above examples, polyvinyl butyral was used as the binder, but for example, polymethyl methacrylate, polymethyl acrylate, polyurethane, polyvinyl chloride, or nitrocellulose can also be used, and two or more of these can be used in combination. You can also do that.
本発明によれば、セラミックグリーンシートを上記一般
式（１）の有機シロキサン含有組成物から形成したので
、この有機シロキサンによりセラミックグリーンシート
の表面張力が低くなり、担体フィルムとしての例えば離
型剤処理したＰＥＴフィルムに対する濡れが良くなり、
はじき、ピンホール、あばた等の発生を防止し、セラミ
ックグリーンシートの厚みを均一にすることができる。According to the present invention, since the ceramic green sheet is formed from the organic siloxane-containing composition of the general formula (1), the organic siloxane lowers the surface tension of the ceramic green sheet, and the ceramic green sheet can be treated with a release agent, for example, as a carrier film. The wettability of the PET film is improved,
It is possible to prevent the occurrence of repelling, pinholes, pockmarks, etc., and to make the thickness of the ceramic green sheet uniform.
これによりセラミックグリーンシートを用いて得られる
焼結体の特性を高く維持することができる。Thereby, the characteristics of the sintered body obtained using the ceramic green sheet can be maintained at high levels.
平成２年３月２９日March 29, 1990
Claims (4)
クグリーンシート用組成物において、下記一般式（Ｉ）
で表される有機シロキサンを含有するセラミックグリー
ンシート用組成物。 ▲数式、化学式、表等があります▼・・（Ｉ） （式中、Ｒ＿１及びＲ＿２は各々独立に水素、メチル基
、フェニル基又はビニル基を示し、ｎは自然数を示す）(1) In a composition for a ceramic green sheet having a ceramic powder and a binder, the following general formula (I) is used.
A composition for ceramic green sheets containing an organic siloxane represented by: ▲There are mathematical formulas, chemical formulas, tables, etc.▼...(I) (In the formula, R_1 and R_2 each independently represent hydrogen, methyl group, phenyl group, or vinyl group, and n represents a natural number.)
て０．０１〜１０．０重量部の割合で含有する請求項１
記載のセラミックグリーンシート用組成物。(2) Claim 1 containing organic siloxane in a ratio of 0.01 to 10.0 parts by weight per 100 parts by weight of the binder.
The composition for ceramic green sheets described above.
用組成物を用いて得られるセラミックグリーンシート。(3) A ceramic green sheet obtained using the composition for ceramic green sheets according to claim 1 or 2.
て得られるセラミック焼結体。(4) A ceramic sintered body obtained using the ceramic green sheet according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2078927A JPH03279256A (en) | 1990-03-29 | 1990-03-29 | Composition for ceramic green sheet and sheet and sintered compact thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2078927A JPH03279256A (en) | 1990-03-29 | 1990-03-29 | Composition for ceramic green sheet and sheet and sintered compact thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03279256A true JPH03279256A (en) | 1991-12-10 |
Family
ID=13675505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2078927A Pending JPH03279256A (en) | 1990-03-29 | 1990-03-29 | Composition for ceramic green sheet and sheet and sintered compact thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03279256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016170760A1 (en) * | 2015-04-21 | 2016-10-27 | 日本曹達株式会社 | Ceramic fine particle dispersant, ceramic fine particle dispersed composition, and ceramic fine particle dispersed sheet |
-
1990
- 1990-03-29 JP JP2078927A patent/JPH03279256A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016170760A1 (en) * | 2015-04-21 | 2016-10-27 | 日本曹達株式会社 | Ceramic fine particle dispersant, ceramic fine particle dispersed composition, and ceramic fine particle dispersed sheet |
| JPWO2016170760A1 (en) * | 2015-04-21 | 2017-12-07 | 日本曹達株式会社 | Ceramic fine particle dispersant, ceramic fine particle dispersion composition, and ceramic fine particle dispersion sheet |
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