公开(公告)号：KR100420930B1

公开(公告)日：2004-03-02

申请号：KR1020010024315

申请日：2001-05-04

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  이명현 ,  박일석

IPC: C04B35/63 ,  C04B35/00

Abstract: PURPOSE: Provided is a water-based ceramic slurry using water, and polyvinyl pyrrolidone(PVP) and gelatin as solvent and a binder based on water, unlike conventional nonwater-based solvent and binder, for producing ceramic tapes. CONSTITUTION: The water-based ceramic slurry comprises the components of: metal oxide powder such as Al2O3, magnesium aluminate spinel, ZrO2, Al2O3/ZrO2 composite or spinel/ZrO2 composite; 0.01-2.0wt.% of dispersant such as polymethacrylic acid, polycarboxylic acid, ammonium polyacrylate or ether; 20-90wt.% of water; 5-20wt.% of PVP and 0.1-2.0wt.% of gelatin as a binder; 3-17wt.% of plasticizer such as triethylene glycol or polyethylene glycol. The each amount is based on the metal oxide powder and 0.3-2.0wt.%(based on the total components) surfactant is optionally added. The preparation method of ceramic tapes is as follows: mixing all components except gelatin, for a ceramic slurry with a viscosity of 1000-3000cps; defoaming by heating the slurry in boiling water(50-80deg.C); adding a gelatin solution, obtained by dissolving gelatin into water(50-80deg.C), and defoaming again; and forming the slurry into a sheet.

Abstract translation: 目的：提供一种使用水，聚乙烯吡咯烷酮（PVP）和明胶作为溶剂和基于水的粘合剂的水基陶瓷浆料，与传统的非水基溶剂和粘合剂不同，用于生产陶瓷带。 组成：水基陶瓷浆料由以下组分组成：金属氧化物粉末，如Al2O3，铝酸镁尖晶石，ZrO2，Al2O3 / ZrO2复合物或尖晶石/ ZrO2复合物; 0.01-2.0重量％的分散剂如聚甲基丙烯酸，多元羧酸，聚丙烯酸铵或醚; 20-90重量％的水; 5-20重量％的PVP和0.1-2.0重量％的作为粘合剂的明胶; 3-17重量％的增塑剂如三甘醇或聚乙二醇。 每种量基于金属氧化物粉末，并且任选地添加0.3-2.0重量％（基于总组分）表面活性剂。 陶瓷带的制备方法如下：将除明胶外的所有组分混合，制备粘度为1000-3000cps的陶瓷浆料; 通过在沸水（50-80℃）中加热浆料来消泡; 加入将明胶溶于水（50-80℃）得到的明胶溶液，再次消泡; 并将浆料成形为片材。

公开(公告)号：KR100525486B1

公开(公告)日：2005-11-02

申请号：KR1020030019266

申请日：2003-03-27

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  최헌진 ,  박일석 ,  정지영

IPC: C04B35/632

Abstract: 본 발명은 물을 용매로 포함하고 수계 결합제를 포함하는 세라믹 슬러리의 제조, 이를 이용한 세라믹 테이프 제조방법 및 이들을 이용하여 제조된 세라믹 테이프에 관한 것이다. 즉, 본 발명은 용매로서 물을 사용하고 결합제로서 아크릴 에멀젼과 HPMC를 혼합 사용하는 것을 특징으로 하며, 이들을 유리-알루미나 복합 분말, 분산제, 가소제 등과 혼합하는 수계 세라믹 슬러리 및 이를 혼합, 탈포, 성형 건조하는 것을 포함하는 세라믹 테이프 제조에 관한 것이다.

公开(公告)号：KR1020040084295A

公开(公告)日：2004-10-06

申请号：KR1020030019266

申请日：2003-03-27

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  최헌진 ,  박일석 ,  정지영

IPC: C04B35/632

CPC classification number: C04B35/63424 ,  C04B35/10 ,  C04B35/14 ,  C04B35/6365

Abstract: PURPOSE: Provided are an aqueous ceramic slurry containing an acryl emulsion as a binder and a method for producing a ceramic tape for LTCC(low temperature co-fired ceramic) by using the aqueous ceramic slurry. The ceramic tape dose not generate environmental pollution and is not harmful to human bodies. CONSTITUTION: The aqueous ceramic slurry comprises 100pts.wt. of a metal oxide powder, 0.1-3.0pts.wt. of a dispersant, 15-50pts.wt. of water, 5-20pts.wt. of an aqueous binder, and 3-15pts.wt. of a plasticizer, wherein the aqueous binder is a mixture of the acryl emulsion and HPMC(hydroxypropyl methyl cellulose). And the method for producing the ceramic tape contains the steps of: preparing the ceramic slurry; ball-milling the ceramic slurry and then stirring under a vacuum at a fixed speed to remove residual foams from the slurry and to reach a proper viscosity; forming the defoamed ceramic slurry into a sheet. The ceramic tape for LTCC produced by the method has a thickness of 20-200 micrometer.

Abstract translation: 目的：提供含有丙烯酸乳液作为粘合剂的水性陶瓷浆料和通过使用含水陶瓷浆料制备用于LTCC（低温共烧陶瓷）的陶瓷带的方法。 陶瓷胶带不会产生环境污染，对人体无害。 构成：含水陶瓷浆料包含100pts.wt。 的金属氧化物粉末，0.1-3.0pts.wt。 的分散剂，15-50pts.wt。 的水，5-20pts.wt。 的水性粘合剂，和3-15pts.wt。 的增塑剂，其中水性粘合剂是丙烯酸乳液和HPMC（羟丙基甲基纤维素）的混合物。 制造陶瓷带的方法包括以下步骤：制备陶瓷浆料; 对陶瓷浆料进行球磨，然后以固定速度在真空下搅拌，以从浆料中除去残余的泡沫并达到适当的粘度; 将消泡的陶瓷浆料形成片材。 该方法生产的LTCC陶瓷带的厚度为20-200微米。

公开(公告)号：KR100444746B1

公开(公告)日：2004-08-16

申请号：KR1020010070509

申请日：2001-11-13

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  박일석 ,  이명현

IPC: C04B35/634 ,  C09J7/00

Abstract: PURPOSE: Aqueous ceramic slurry and a method for preparing an aqueous ceramic tape using the slurry are provided, wherein the slurry contains no nonaqueous binder for preventing the danger of explosion, the environmental pollution and the problem of toxicity. CONSTITUTION: The aqueous ceramic slurry comprises metal oxide; 0.05-2.0 wt% of a dispersant, 10-50 wt% of water, 3-17 wt% of a plasticizer and 5-30 wt% of a PVP (poly(vinyl pyrrolidone)) binder based on the weight of the metal oxide; 0.5-30 wt% of a PVA (poly(vinyl alcohol)) binder based on the weight of the PVP binder; and optionally 0.1-2.0 wt% of gelatin as a binder based on the weight of the metal oxide. Preferably the metal oxide is alumina, spinel aluminate, zirconia or their mixtures; the dispersant is poly(methacrylic acid), poly(carboxylic acid), ammonium polyacrylate salt or ether; and the plasticizer is triethylene glycol, polyethylene glycol or their mixture.

Abstract translation: 目的：提供一种含水陶瓷浆料和使用该浆料制备含水陶瓷带的方法，其中该浆料不含非水粘合剂以防止爆炸危险，环境污染和毒性问题。 组成：含水陶瓷浆料包含金属氧化物; 基于金属氧化物的重量，0.05-2.0重量％的分散剂，10-50重量％的水，3-17重量％的增塑剂和5-30重量％的PVP（聚（乙烯吡咯烷酮））粘合剂 ; 基于PVP粘合剂的重量，0.5-30重量％的PVA（聚（乙烯醇））粘合剂; 和任选的0.1-2.0重量％的明胶作为基于金属氧化物重量的粘合剂。 优选金属氧化物是氧化铝，尖晶石铝酸盐，氧化锆或它们的混合物; 分散剂为聚（甲基丙烯酸），聚（羧酸），聚丙烯酸铵盐或醚; 增塑剂是三甘醇，聚乙二醇或它们的混合物。

公开(公告)号：KR1020040105370A

公开(公告)日：2004-12-16

申请号：KR1020030036622

申请日：2003-06-07

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  조유정 ,  박일석

IPC: C04B35/10

CPC classification number: C04B35/10 ,  B32B18/00 ,  B32B2597/00 ,  C04B35/62605 ,  C04B35/62645 ,  C04B35/632 ,  C04B38/0635 ,  C04B2111/00801 ,  C04B2235/61

Abstract: PURPOSE: Provided is a method for producing ceramic membrane consisting of ceramic tapes including an intermediate and a support layer with a different pore characteristic by using at least two powders. CONSTITUTION: The ceramic membrane is produced by the following steps of: (i) preparing a ceramic slurry for a support layer(1,2,3) by mixing 100pts.wt. of two kinds of alumina powders having different sizes of 0.5-3micrometer(alumina (I)) and 20-25micrometer(alumina (II)), 0.2-0.8pts.wt. of dispersant, 15-30pts.wt. of water, 5-15pts.wt. of plasticizer and 5-20pts.wt. of binder, wherein less than 45micrometer of starch is optionally added to alumina powder(II) to be a weight ratio of alumina to starch of 7:3 - 9:1; (ii) preparing at least two ceramic slurries by changing the ratio of alumina (I) to alumina (II)+ starch of 0:10, 1:9, 2:8, 3:7, 4:6, 5:5, 6:4; (iii) preparing a ceramic slurry for an intermediate layer(4) by mixing 100pts.wt. of alumina (I), 0.2-0.8pts.wt. of dispersant, 15-30pts.wt. of water, 5-15pts.wt. of plasticizer and 5-20pts.wt. of binder; (iv) forming prepared slurries into ceramic tapes for the support layer(3-5mm thick) comprising at least two ceramic tapes having different pore characteristics and particle distributions, and the intermediate layer(100-500micrometer thick); (v) layering ceramic tapes for the support layer in order of pore size and then layering ceramic tape for the intermediate layer on a tube(or rod)-shaped gypsum mold, and warm isostatic pressing to bond layered ceramic tapes under pressure of 200-300kgf at 70-80deg.C; (vi) putting layered ceramic tapes on a tube-shaped refractory, the support of a ceramic membrane; (vii) sintering layered ceramic tapes by heating to 200, 300 and 500deg.C, and holding 1hr at each temperature to remove organic materials, heating to 1050-1150deg.C and holding for 2hrs to burn starch added in the support layer, and cooling slowly; (viii) removing the shrunken gypsum mold and trimming the joint of the tube, and sintering ceramic membrane product at 1500-1700deg.C and holding for 2hrs.

Abstract translation: 目的：提供一种陶瓷膜的制造方法，该陶瓷膜由包含中间体和具有不同孔特性的支持层的陶瓷带组成，通过使用至少两种粉末。 构成：陶瓷膜通过以下步骤制备：（i）通过混合100pts.wt。 （氧化铝（I））和20-25微米（氧化铝（II））的不同尺寸的两种氧化铝粉末，0.2-0.8pts.wt。 的分散剂，15-30pts.wt。 的水，5-15pts.wt。 的增塑剂和5-20pts.wt。 的粘合剂，其中任选地将氧化铝粉末（II）中的少于45微米的淀粉加入到氧化铝与淀粉的重量比为7:3-9:1的范围内; （ii）通过改变0:10,1:9,2:8,3:7,4:6,5:5的氧化铝（I）与氧化铝（II）+淀粉的比率来制备至少两种陶瓷浆料， 6：4; （iii）通过混合100pts.wt。 的氧化铝（I），0.2-0.8pts.wt。 的分散剂，15-30pts.wt。 的水，5-15pts.wt。 的增塑剂和5-20pts.wt。 的粘合剂 （iv）将制备的浆料形成为包含至少两个具有不同孔特性和颗粒分布的陶瓷带的支撑层（3-5mm厚）的陶瓷带，以及中间层（100-500微米厚）; （v）按照孔径的顺序层叠用于支撑层的陶瓷带，然后在管（或棒）形石膏模上分层中间层的陶瓷带，并且在200〜200℃的压力下进行温等静压， 300kgf在70-80deg.C; （vi）将层状陶瓷带放置在管状耐火材料上，陶瓷膜的载体; （vii）通过加热至200,300和500℃烧结层状陶瓷带，并在每个温度下保持1小时以除去有机材料，加热至1050-1150℃并保持2小时以烧结添加在载体层中的淀粉，以及 慢慢冷却 （viii）去除收缩的石膏模具和修整管的接头，并在1500-1700℃烧结陶瓷膜产品并保持2小时。

公开(公告)号：KR100454716B1

公开(公告)日：2004-11-05

申请号：KR1020020018287

申请日：2002-04-03

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  박일석 ,  이명현

IPC: C09J7/00

Abstract: PURPOSE: Water-based ceramic slurry is provided to prevent the harm to environment and human body, to improve the drying speed of a ceramic tape, and to perform the working process at a low viscosity. CONSTITUTION: The water-based ceramic slurry comprises a metal oxide, and 0.05 to 2.0 wt% of a dispersing agent, 10 to 50 wt% of water, 3 to 17 wt% of a plasticizer and 5 to 30 wt% of an acrylic binder, based on the weight of the metal oxide. In particular, the acrylic binder comprises 40 to 70 wt% of butyl acrylate, 10 to 20 wt% of methyl methacrylate, 10 to 40 wt% of 2-hydroxyethyl methacrylate and 2 to 10 wt% of methacrylic acid, and has a glass transition temperature of -20±5 deg.C and monomer content in emulsion of 60% or more. The ceramic tape can be produced by defoaming the ceramic slurry, forming it into a sheet and then drying.

Abstract translation: 用途：提供水基陶瓷浆料，以防止对环境和人体的危害，提高陶瓷带的干燥速度，并在低粘度下进行加工过程。 组成：水基陶瓷浆料包含金属氧化物和0.05-2.0重量％分散剂，10-50重量％水，3-17重量％增塑剂和5-30重量％丙烯酸类粘合剂 ，基于金属氧化物的重量。 特别是丙烯酸系粘合剂含有丙烯酸丁酯40〜70重量％，甲基丙烯酸甲酯10〜20重量％，甲基丙烯酸2-羟乙酯10〜40重量％，甲基丙烯酸2〜10重量％，玻璃化转变 温度-20℃±5℃，乳液中单体含量60％以上。 陶瓷带可通过将陶瓷浆料消泡而形成片材然后干燥来制备。

公开(公告)号：KR1020020085055A

公开(公告)日：2002-11-16

申请号：KR1020010024315

申请日：2001-05-04

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  이명현 ,  박일석

IPC: C04B35/63 ,  C04B35/00

CPC classification number: C04B35/63404 ,  C04B35/10 ,  C04B35/48 ,  C04B35/63424 ,  C04B2111/00836 ,  C04B2111/00844 ,  C04B2235/3217 ,  C04B2235/3244 ,  C09J7/20

Abstract: PURPOSE: Provided is a water-based ceramic slurry using water, and polyvinyl pyrrolidone(PVP) and gelatin as solvent and a binder based on water, unlike conventional nonwater-based solvent and binder, for producing ceramic tapes. CONSTITUTION: The water-based ceramic slurry comprises the components of: metal oxide powder such as Al2O3, magnesium aluminate spinel, ZrO2, Al2O3/ZrO2 composite or spinel/ZrO2 composite; 0.01-2.0wt.% of dispersant such as polymethacrylic acid, polycarboxylic acid, ammonium polyacrylate or ether; 20-90wt.% of water; 5-20wt.% of PVP and 0.1-2.0wt.% of gelatin as a binder; 3-17wt.% of plasticizer such as triethylene glycol or polyethylene glycol. The each amount is based on the metal oxide powder and 0.3-2.0wt.%(based on the total components) surfactant is optionally added. The preparation method of ceramic tapes is as follows: mixing all components except gelatin, for a ceramic slurry with a viscosity of 1000-3000cps; defoaming by heating the slurry in boiling water(50-80deg.C); adding a gelatin solution, obtained by dissolving gelatin into water(50-80deg.C), and defoaming again; and forming the slurry into a sheet.

Abstract translation: 目的：提供一种使用水的水性陶瓷浆料，聚乙烯吡咯烷酮（PVP）和明胶作为溶剂，并且与传统的非水基溶剂和粘合剂不同，用于生产陶瓷带。 构成：水性陶瓷浆料包括：Al2O3，铝酸镁尖晶石，ZrO2，Al2O3 / ZrO2复合材料或尖晶石/ ZrO2复合材料等金属氧化物粉末; 0.01-2.0重量％的分散剂如聚甲基丙烯酸，多元羧酸，聚丙烯酸铵或醚; 20-90重量％的水; 5-20重量％的PVP和0.1-2.0重量％的明胶作为粘合剂; 3-17重量％的增塑剂如三甘醇或聚乙二醇。 每个量基于金属氧化物粉末，并且任选地加入0.3-2.0重量％（基于总组分）表面活性剂。 陶瓷带的制备方法如下：将除明胶之外的所有组分混合，制备粘度为1000-3000cps的陶瓷浆料; 通过在沸水（50-80℃）中加热浆料进行消泡; 加入明胶溶液，将明胶溶解于水（50〜80℃）中，再次脱泡; 并将浆料形成片材。

公开(公告)号：KR100531743B1

公开(公告)日：2005-12-22

申请号：KR1020030036622

申请日：2003-06-07

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  조유정 ,  박일석

IPC: C04B35/10

Abstract: 본 발명은 수계 세라믹 슬러리로부터 제조된 수계 세라믹 테이프를 사용하는 세라믹 분리막 (ceramic membrane)의 제조에 관한 것이다. 더욱 상세하게, 입자 크기가 다른 세라믹 원료 분말이 일련의 서로 다른 비율로 혼합되어 있는 이종 복합 분말, 물, 수계 결합제, 분산제 및 가소제를 포함하는 수계 세라믹 슬러리; 상기 일련의 다양한 비율로 혼합된 이종 복합 분말을 각각 포함하는 세라믹 슬러리를 이용하여 제조된 다양한 기공 특성 및 다중 입도 분포를 갖는 세라믹 테이프; 상기 다양한 기공특성을 갖는 세라믹 테이프를 기공 특성 순서대로 적층하여 얻어지는 점진적으로 변화하는 기공특성을 갖는 지지층을 포함하는 세라믹 분리막; 및 다양한 기공 특성을 갖는 하나 이상의 세라믹 테이프를 제조하고 이들을 기공 특성 순서대로 한 번에 적층하고 열처리하여 지지층을 제조하는 단계를 포함하는 세라믹 분리막 제조방법에 관한 것이다.

公开(公告)号：KR1020030079326A

公开(公告)日：2003-10-10

申请号：KR1020020018287

申请日：2002-04-03

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  박일석 ,  이명현

IPC: C09J7/00

Abstract: PURPOSE: Water-based ceramic slurry is provided to prevent the harm to environment and human body, to improve the drying speed of a ceramic tape, and to perform the working process at a low viscosity. CONSTITUTION: The water-based ceramic slurry comprises a metal oxide, and 0.05 to 2.0 wt% of a dispersing agent, 10 to 50 wt% of water, 3 to 17 wt% of a plasticizer and 5 to 30 wt% of an acrylic binder, based on the weight of the metal oxide. In particular, the acrylic binder comprises 40 to 70 wt% of butyl acrylate, 10 to 20 wt% of methyl methacrylate, 10 to 40 wt% of 2-hydroxyethyl methacrylate and 2 to 10 wt% of methacrylic acid, and has a glass transition temperature of -20±5 deg.C and monomer content in emulsion of 60% or more. The ceramic tape can be produced by defoaming the ceramic slurry, forming it into a sheet and then drying.

Abstract translation: 目的：提供水性陶瓷浆料，以防止对环境和人体的伤害，提高陶瓷带的干燥速度，并以低粘度进行加工。 构成：水性陶瓷浆料含有金属氧化物，0.05〜2.0重量％的分散剂，10〜50重量％的水，3〜17重量％的增塑剂和5〜30重量％的丙烯酸类粘合剂 ，基于金属氧化物的重量。 特别地，丙烯酸类粘合剂包含40〜70重量％的丙烯酸丁酯，10〜20重量％的甲基丙烯酸甲酯，10〜40重量％的甲基丙烯酸2-羟乙酯和2〜10重量％的甲基丙烯酸，并且具有玻璃化转变 温度为-20±5℃，乳液中单体含量为60％以上。 陶瓷带可以通过使陶瓷浆料消泡，将其形成片材然后干燥而制成。

公开(公告)号：KR1020030046531A

公开(公告)日：2003-06-18

申请号：KR1020010070509

申请日：2001-11-13

Applicant: 한국과학기술연구원

Inventor： 김대준 ,  박일석 ,  이명현

IPC: C04B35/634 ,  C09J7/00

CPC classification number: C04B35/63416 ,  C04B35/10 ,  C04B35/48 ,  C04B35/63424 ,  C04B35/636 ,  C04B2111/00836 ,  C04B2111/00844 ,  C04B2235/3217 ,  C04B2235/3244 ,  C09J7/20

Abstract: PURPOSE: Aqueous ceramic slurry and a method for preparing an aqueous ceramic tape using the slurry are provided, wherein the slurry contains no nonaqueous binder for preventing the danger of explosion, the environmental pollution and the problem of toxicity. CONSTITUTION: The aqueous ceramic slurry comprises metal oxide; 0.05-2.0 wt% of a dispersant, 10-50 wt% of water, 3-17 wt% of a plasticizer and 5-30 wt% of a PVP (poly(vinyl pyrrolidone)) binder based on the weight of the metal oxide; 0.5-30 wt% of a PVA (poly(vinyl alcohol)) binder based on the weight of the PVP binder; and optionally 0.1-2.0 wt% of gelatin as a binder based on the weight of the metal oxide. Preferably the metal oxide is alumina, spinel aluminate, zirconia or their mixtures; the dispersant is poly(methacrylic acid), poly(carboxylic acid), ammonium polyacrylate salt or ether; and the plasticizer is triethylene glycol, polyethylene glycol or their mixture.

Abstract translation: 目的：提供水性陶瓷浆料和使用该浆料制备水性陶瓷带的方法，其中，浆料不含非水性粘合剂，用于防止爆炸危险，环境污染和毒性问题。 构成：含水陶瓷浆料包含金属氧化物; 0.05-2.0重量％的分散剂，10-50重量％的水，3-17重量％的增塑剂和5-30重量％的PVP（聚（乙烯基吡咯烷酮））粘合剂，基于金属氧化物的重量 ; 基于PVP粘合剂的重量的0.5-30重量％的PVA（聚（乙烯醇））粘合剂; 和任选的0.1-2.0重量％的基于金属氧化物重量的明胶作为粘合剂。 优选地，金属氧化物是氧化铝，尖晶石铝酸盐，氧化锆或它们的混合物; 分散剂是聚（甲基丙烯酸），聚（羧酸），聚丙烯酸铵盐或醚; 增塑剂是三甘醇，聚乙二醇或其混合物。