KR20020026178A - 저팽창, 고다공성, 고강도 코디어라이트 바디 및 이의제조방법 - Google Patents
저팽창, 고다공성, 고강도 코디어라이트 바디 및 이의제조방법 Download PDFInfo
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0006—Honeycomb structures
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00129—Extrudable mixtures
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/0037—Materials containing oriented fillers or elements
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
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- C04B2111/32—Expansion-inhibited materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
원료 | 본 발명의 조성물 1 | 비교 조성물 2 |
무기물 | ||
탈크 | 39.95(1.5) | 40.86(6.6) |
카올린 | 16.55(0.8) | 12.04(0.8) |
하소된 카올린 | 24.73(0.8) | 29.68(0.8) |
Al2O3 | 5.73(0.6) | 15.43(0.4) |
AlOOH-xH2O(180 ㎡/g) | 11.05(0.1) | - |
실리카 | 2.0(3.8) | 2.0(3.8) |
유기물 | ||
메토셀(Methocel) | 5.0 | 3.5 |
윤활유 | 1.0 | 0.5 |
오일 | 8.0 | 6.0 |
조성물 1 | 비교 조성물 2 | 비교예 3 | |
소성 코디어라이트 바디의 특성 | |||
셀 밀도 | 816 | 900 | 811 |
웨브 두께 | 2.72 | 2.70 | 2.72 |
CTE | 3.7 | 5.0 | 3.2 |
다공성 % | 26.8 | 25.3 | 31.9 |
다공성 % < 2 ㎛ | 92 | 41 | 20-22 |
MOR(psi) | 361 | 288 | 270 |
하이드로스타틱이소스타틱 강도 FN(psi) | 200 | 145 | 75 |
A-축 파쇄 강도(psi) | 3640 | 2120 | 1190 |
B-축 파쇄 강도(psi) | 313 | 224 | 86 |
C-축 파쇄 강도(psi) | 25 | 31 | 11 |
Claims (15)
- 약 5.0 ×10-7℃-1미만의 평균 선형 열팽창계수(25-800℃), 적어도 기공의 약 86%가 약 2 ㎛ 미만의 기공 크기를 갖는 공극도 분포를 나타내는 20% 내지 약 30% 범위 사이의 총 다공성을 갖는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- 제1항에 있어서, 상기 제품은 통상의 신장형이고, 주로 웨브의 평면에서 그들의 장축을 따라 연신되는 것을 나타내는 기공으로 상호결합된 기공 구조를 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- 제1항에 있어서, 상기 제품은 약 300 psi 이상의 MOR 강도를 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- 제1항에 있어서, 상기 제품은 3640 psi 이상의 A-축 파쇄 강도(crush strength)를 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- 제1항에 있어서, 상기 제품은 23 내지 30% 범위의 총 다공성을 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- 제1항에 있어서, 상기 제품은 적어도 약 90%의 기공이 약 2 ㎛ 미만의 기공 크기를 나타내는 공극도 분포를 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 세라믹 제품.
- (a) 약 2 ㎛ 미만의 평균 입자 크기를 갖는 탈크를 포함하는 코디어라이트-형성 무기 분말 배치, 상기 무기 분말 배치 혼합물 중 적어도 4 중량%인 50 ㎡/g 을 초과하는 비표면적을 갖는 분산성 Al2O3-형성원과 각각 5 ㎛ 미만의 평균 입자 크기를 갖는 카올린, 하소된 카올린, 실리카 및 코런덤의 군으로부터 선택된 하나 이상의 성분들을 혼합하고 가소화시키는 단계;(b) 상기 가소화된 분말 배치를 허니컴 압출 다이를 통하여 압출에 의해 그린 허니컴으로 형성시키는 단계; 및(c) 상기 그린 허니컴을 약 5.0 ×10-7℃-1미만의 평균 선형 열팽창계수(25-800℃)를 갖고, 20% 내지 약 30% 범위 사이의 총 다공성과 적어도 기공의 약 86%가 약 2 ㎛ 미만의 기공 크기를 갖는 공극도 분포를 나타내는 결정화된 코디어라이트 세라믹 제품으로 전환시키기 위해 일정한 온도에서 충분한 시간 동안 소성시키는 단계;를 포함하는 것을 특징으로 하는 압출소성된 코디어라이트 허니컴 제품의 제조방법.
- 제7항에 있어서, 상기 탈크는 약 0.75 이상의 형태 지수(morphology index)를 갖는 판상 탈크를 포함하는 것을 특징으로 하는 압출소성된 코디어라이트 허니컴 제품의 제조방법.
- 제7항에 있어서, 상기 분산성 Al2O3-형성원은 100 ㎡/g을 초과하는 비표면적을 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 허니컴 제품의 제조방법.
- 제7항에 있어서, 상기 분산성 Al2O3-형성원은 약 150 ㎡/g 이상의 평균 입자 크기를 갖는 보에마이트인 것을 특징으로 하는 압출소성된 코디어라이트 허니컴 제품의 제조방법.
- 제7항에 있어서, 상기 결정화된 코디어라이트 세라믹 제품은 통상의 신장형이고, 주로 웨브의 평면에서 그들의 장축을 따라 연시된 기공으로 상호결합된 기공 구조, 약 300 psi 이상의 MOR 강도 및 3640 psi 이상의 A-축 파쇄 강도를 나타내는 것을 특징으로 하는 압출소성된 코디어라이트 허니컴 제조방법.
- 1차 상으로서 코디어라이트와 11 내지 17 중량%의 MgO, 33 내지 41 중량%의 Al2O3및 46 내지 53 중량%의 SiO2의 화학 조성을 갖는 무기 원료(raw material) 혼합물을 갖고, 상기 무기 원료 혼합물은 약 2 ㎛ 미만의 평균 입자 크기를 갖는 탈크, 상기 무기 분말 배치 혼합물의 적어도 4 중량%인 50 ㎡/g를 초과하는 비표면적을 갖는 분산성 Al2O3-형성원과 각각 5 ㎛ 미만의 평균 입자 크기를 갖는 카올린, 하소된 카올린, 실리카 및 코런덤의 군으로부터 선택된 하나 이상의 성분들을 포함하는 것을 특징으로 하는 기판 제조용 압출가능한 혼합물.
- 제11항에 있어서, 상기 탈크는 약 0.75 이상의 형태 지수를 갖는 판상 탈크인 것을 특징으로 하는 압출가능한 혼합물.
- 제11항에 있어서, 상기 분산성 Al2O3-형성원은 약 100 ㎡/g 을 초과하는 비표면적을 나타내는 것을 특징으로 하는 압출가능한 혼합물.
- 제11항에 있어서, 상기 분산성 Al2O3-형성원은 약 150 ㎡/g 이상의 평균 입자 크기를 갖는 보에마이트인 것을 특징으로 하는 압출가능한 혼합물.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13893099P | 1999-06-11 | 1999-06-11 | |
US60/138,930 | 1999-06-11 | ||
US17401099P | 1999-12-30 | 1999-12-30 | |
US60/174,010 | 1999-12-30 |
Publications (2)
Publication Number | Publication Date |
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KR20020026178A true KR20020026178A (ko) | 2002-04-06 |
KR100643441B1 KR100643441B1 (ko) | 2006-11-10 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020017015904A KR100643441B1 (ko) | 1999-06-11 | 2000-06-08 | 저팽창, 고다공성, 고강도 코디어라이트 바디 및 이의제조방법 |
Country Status (13)
Country | Link |
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US (2) | US6432856B1 (ko) |
EP (1) | EP1200369B1 (ko) |
JP (1) | JP2003502261A (ko) |
KR (1) | KR100643441B1 (ko) |
CN (1) | CN1166584C (ko) |
AU (1) | AU5869700A (ko) |
BR (1) | BR0011456A (ko) |
CA (1) | CA2374549A1 (ko) |
DE (1) | DE60030127T2 (ko) |
MX (1) | MXPA01012816A (ko) |
PL (1) | PL193717B1 (ko) |
TR (1) | TR200103579T2 (ko) |
WO (1) | WO2000076939A1 (ko) |
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-
2000
- 2000-06-08 MX MXPA01012816A patent/MXPA01012816A/es unknown
- 2000-06-08 PL PL00352231A patent/PL193717B1/pl not_active IP Right Cessation
- 2000-06-08 TR TR2001/03579T patent/TR200103579T2/xx unknown
- 2000-06-08 WO PCT/US2000/015792 patent/WO2000076939A1/en active IP Right Grant
- 2000-06-08 CA CA002374549A patent/CA2374549A1/en not_active Abandoned
- 2000-06-08 JP JP2001503408A patent/JP2003502261A/ja active Pending
- 2000-06-08 EP EP00944627A patent/EP1200369B1/en not_active Expired - Lifetime
- 2000-06-08 CN CNB008087903A patent/CN1166584C/zh not_active Expired - Lifetime
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- 2000-06-08 KR KR1020017015904A patent/KR100643441B1/ko active IP Right Grant
- 2000-06-08 AU AU58697/00A patent/AU5869700A/en not_active Abandoned
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DE60030127T2 (de) | 2007-03-15 |
CN1355776A (zh) | 2002-06-26 |
JP2003502261A (ja) | 2003-01-21 |
PL193717B1 (pl) | 2007-03-30 |
KR100643441B1 (ko) | 2006-11-10 |
US6432856B1 (en) | 2002-08-13 |
US20030012923A1 (en) | 2003-01-16 |
EP1200369B1 (en) | 2006-08-16 |
WO2000076939A9 (en) | 2002-06-20 |
CN1166584C (zh) | 2004-09-15 |
WO2000076939A1 (en) | 2000-12-21 |
PL352231A1 (en) | 2003-08-11 |
TR200103579T2 (tr) | 2002-04-22 |
US6773657B2 (en) | 2004-08-10 |
DE60030127D1 (de) | 2006-09-28 |
EP1200369A1 (en) | 2002-05-02 |
CA2374549A1 (en) | 2000-12-21 |
AU5869700A (en) | 2001-01-02 |
BR0011456A (pt) | 2002-03-19 |
EP1200369A4 (en) | 2004-05-26 |
MXPA01012816A (es) | 2002-07-22 |
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