KR20040105226A - 멀라이트체 및 멀라이트체의 형성 방법 - Google Patents
멀라이트체 및 멀라이트체의 형성 방법 Download PDFInfo
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- KR20040105226A KR20040105226A KR10-2004-7015253A KR20047015253A KR20040105226A KR 20040105226 A KR20040105226 A KR 20040105226A KR 20047015253 A KR20047015253 A KR 20047015253A KR 20040105226 A KR20040105226 A KR 20040105226A
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- Prior art keywords
- mullite
- mullite composition
- composition
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- temperature
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- 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 title claims abstract description 173
- 229910052863 mullite Inorganic materials 0.000 title claims abstract description 173
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 140
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000002243 precursor Substances 0.000 claims abstract description 31
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011737 fluorine Substances 0.000 claims abstract description 24
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 239000003570 air Substances 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 239000004927 clay Substances 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- 239000011777 magnesium Substances 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 13
- 230000014759 maintenance of location Effects 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 229910002026 crystalline silica Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910016569 AlF 3 Inorganic materials 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 229910052570 clay Inorganic materials 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- -1 fluorotopaz Chemical compound 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 11
- 241000264877 Hippospongia communis Species 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 8
- 238000005382 thermal cycling Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 239000004071 soot Substances 0.000 description 6
- 239000010427 ball clay Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004814 ceramic processing Methods 0.000 description 3
- 229910052878 cordierite Inorganic materials 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
- 238000002003 electron diffraction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 238000004876 x-ray fluorescence Methods 0.000 description 3
- 229920003091 Methocel™ Polymers 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 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
- 229910052743 krypton Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
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- 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
- C04B35/185—Mullite 3Al2O3-2SiO2
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Abstract
Description
실시예 | Al/Si 화학양론비 | 다공도 (%) | 압착 압력 (psi) | 강도 (MPa) |
실시예 1 | 2.65 | 69 | 2000 | 28 |
실시예 2 | 2.9 | 70 | 2000 | 26 |
실시예 3 | 2.9 | 68 | 3500 | 28 |
비교예 1 | 3.15 | 71 | 3500 | 10 |
비교예 2 | 3.4 | 70 | 3500 | 9 |
실시예 | Al/Si 비 | 다공도 (%) | 멀라이트화 강도 (MPa) | 열처리온도 (℃) | 열처리시간 (H) | 열처리대기 | 석출물의 존재 여부 | 유지 강도 (MPa) | 탄성율 (GPA) |
4 | 2.95 | 57 | 42.9 | N/A | N/A | N/A | 유 | 28.7 | 29.2 |
5 | 2.95 | 57 | 42.9 | 1400 | 2 | 주변 공기 | 35.0 | 29.6 | |
6 | 2.95 | 57 | 42.9 | 1400 | 2 | 질소 | 35.5 | 28.1 |
Claims (54)
- a) 멀라이트 내에 존재하는 원소들을 가지는 하나 이상의 전구체 화합물들의 혼합물을 형성함 (여기에서, 상기 전구체 화합물들 중 하나는 클레이임),b) 혼합물을 다공성의 미경화 형태로 성형함,c) 단계 (b) 의 다공성의 미경화 형태를 불소 함유 기체를 가지는 대기 하에서 본질적으로 화학 결합된 침상 멀라이트 그레인으로 실질적으로 이루어진 미처리 멀라이트 조성물을 형성하기에 충분한 온도로 가열함, 및d) 계속해서, 미처리 멀라이트 조성물을 수증기, 산소, 공기, 불활성 기체 또는 그것들의 혼합물로 구성되는 군으로부터 선택되는 열 처리 대기 하에서 멀라이트 조성물을 형성하기에 충분한 시간 동안 950 ℃ 이상의 열 처리 온도로 가열함을 포함하는 침상 멀라이트 조성물의 제조 방법.
- 제1항에 있어서, 전구체 화합물이 클레이와, 알루미나, 실리카, 플루오로토파즈, 제올라이트, AlF3및 그것들의 혼합물로 구성된 군으로부터 선택되는 또 다른 화합물인 방법.
- 제2항에 있어서, 다른 전구체 화합물이 알루미나, 실리카, 플루오로토파즈, 제올라이트 및 그것들의 혼합물로 구성된 군으로부터 선택되는 방법.
- 제1항에 있어서, 전구체 화합물이 알루미나, 실리카 및 클레이인 방법.
- 제1항에 있어서, 불소 함유 기체가 별도로 제공되는 SiF4인 방법.
- 제1항에 있어서, 열 처리 온도가 1000 ℃ 이상인 방법.
- 제1항에 있어서, 열 처리 온도가 1050 ℃ 이상인 방법.
- 제1항에 있어서, 열 처리 온도가 1100 ℃ 이상인 방법.
- 제1항에 있어서, 열 처리 온도가 1200 ℃ 이상인 방법.
- 제1항에 있어서, 열 처리 대기가 공기, 불활성 기체, 수증기 및 그것들의 혼합물로 구성된 군으로부터 선택되는 방법.
- 제10항에 있어서, 열 처리 대기가 공기 또는 질소인 방법.
- 제1항에 있어서, 단계 (c) 의 가열이 제1 온도 및 제2 온도로의 순차 가열이며, 플루오로토파즈가 제1 온도에서 형성되고, 멀라이트가 보다 높은 제2 온도에서 형성되는 방법.
- 제8항에 있어서, 제1 온도에서 형성된 플루오로토파즈가 별도로 제공되는 SiF4로 이루어지는 대기 중에서 형성되는 방법.
- 제13항에 있어서, 제1 온도가 500 ℃ 내지 950 ℃ 인 방법.
- 제14항에 있어서, 제1 온도가 725 ℃ 이상 내지 750 ℃ 인 방법.
- 제13항에 있어서, 제2 온도가 1000 ℃ 이상 내지 1300 ℃ 이하인 방법.
- 제1항에 있어서, 열 처리 시간이 0.5 시간 이상인 방법.
- 제1항에 있어서, 열 처리 시간이 2 시간 이상인 방법.
- 제1항에 있어서, 열 처리 시간이 4 시간 이상인 방법.
- 제1항에 있어서, 열 처리 시간이 8 시간 이상인 방법.
- 제1항에 있어서, 전구체가 2.95 이하의 Al/Si 벌크 화학양론비를 가지는 방법.
- 제21항에 있어서, Al/Si 벌크 화학양론비가 2.9 이하인 방법.
- 제22항에 있어서, Al/Si 벌크 화학양론비가 2 이상인 방법.
- a) 멀라이트에 존재하는 원소들을 가지는 하나 이상의 전구체 화합물의 혼합물을 형성함 (여기에서, 전구체 화합물들 중 하나는 클레이이고, 혼합물은 2.95 이하의 Al/Si 비를 가짐),b) 혼합물을 다공성의 미경화 형태로 성형함, 및c) 단계 (b) 의 다공성의 미경화 형태를 별도로 제공되는 불소 함유 기체를 가지는 대기 하에서 본질적으로 화학 결합된 침상 멀라이트 그레인으로 실질적으로 이루어진 다공성 멀라이트 조성물을 형성하기에 충분한 온도로 가열함을 포함하며,멀라이트 조성물이 2.95 이하 내지 2 이상의 벌크 Al/Si 화학양론비를 가지고, 침상 멀라이트 그레인이 2.95 이상의 Al/Si 화학양론비를 가지며, 멀라이트 조성물이 2 체적% 이하의 결정질 실리카 상을 가지는, 향상된 강도를 가지는 다공성 침상 멀라이트 조성물의 형성 방법.
- 제24항에 있어서, 혼합물의 Al/Si 비가 2.9 이하인 방법.
- 제25항에 있어서, 혼합물의 Al/Si 비가 2.85 이하인 방법.
- 제24항에 있어서, 혼합물의 Al/Si 비가 2.8 이하인 방법.
- 제24항에 있어서, 전구체 화합물이 클레이와, 알루미나, 실리카, 플루오로토파즈, 제올라이트 및 그것들의 혼합물로 구성된 군으로부터 선택되는 또 다른 화합물인 방법.
- 제24항에 있어서, 전구체 화합물이 알루미나, 실리카 및 클레이인 방법.
- 멀라이트 조성물이 2.95 이하 내지 2 이상의 벌크 Al/Si 화학양론비를 가지고, 침상 멀라이트 그레인이 2.95 이상의 Al/Si 비를 가지며, 멀라이트 조성물이 2 체적% 이하의 결정질 실리카 상, 및 멀라이트 그레인의 적어도 일부 상에 분포된 실리카 마그네슘 및 철로 이루어진 유리질 상을 가지는, 본질적으로 화학 결합된 침상 멀라이트 그레인으로 실질적으로 이루어진 다공성 멀라이트 조성물.
- 제30항에 있어서, 공기 중에 2 시간 동안 800 ℃ 로 가열한 후의 유지 강도가 15 MPa 이상이고, 다공도가 55 % 이상 내지 85 % 이하인 멀라이트 조성물.
- 제31항에 있어서, 다공도가 75 % 이하인 멀라이트 조성물.
- 제32항에 있어서, 유지 강도가 17 MPa 이상인 멀라이트 조성물.
- 제33항에 있어서, 유지 강도가 19 MPa 이상인 멀라이트 조성물.
- 제34항에 있어서, 유지 강도가 25 MPa 이상인 멀라이트 조성물.
- 제31항에 있어서, 본질적으로 결정질 실리카 상을 함유하지 않는 멀라이트 조성물.
- 침상 멀라이트 그레인의 적어도 일부 상에 분포된 철 및 마그네슘이 본질적으로 혼입되어 있는 유리질 상을 가지는, 본질적으로 화학 결합된 침상 멀라이트 그레인으로 실질적으로 이루어진 멀라이트 조성물.
- 제37항에 있어서, 다공도가 55 % 내지 85 % 인 멀라이트 조성물.
- 제38항에 있어서, 다공도가 57 % 이상 내지 75 % 이하인 멀라이트 조성물.
- 제39항에 있어서, 공기 중에 2 시간 동안 800 ℃ 로 가열한 후의 유지 강도가 15 MPa 이상인 멀라이트 조성물.
- 제37항에 있어서, 멀라이트 조성물 중 1 중량% 이하의 불소의 양을 가지는 멀라이트 조성물.
- 제41항에 있어서, 불소의 양이 0.5 % 이하인 멀라이트 조성물.
- 제42항에 있어서, 불소의 양이 0.1 % 이하인 멀라이트 조성물.
- 제43항에 있어서, 미량 이하의 불소의 양이 있는 멀라이트 조성물.
- 제30항의 멀라이트 조성물로 이루어진 디젤 미립자 트랩.
- 제31항의 멀라이트 조성물로 이루어진 디젤 미립자 트랩.
- 제37항의 멀라이트 조성물로 이루어진 디젤 미립자 트랩.
- 제38항의 멀라이트 조성물로 이루어진 디젤 미립자 트랩.
- 제45항에 있어서, 멀라이트 조성물이 그 위에 촉매를 가지는 디젤 미립자 트랩.
- 제47항에 있어서, 멀라이트 조성물이 그 위에 촉매를 가지는 디젤 미립자 트랩.
- 제30항의 멀라이트 조성물로 이루어진 자동차 촉매변환기.
- 제31항의 멀라이트 조성물로 이루어진 자동차 촉매변환기.
- 제37항의 멀라이트 조성물로 이루어진 자동차 촉매변환기.
- 제38항의 멀라이트 조성물로 이루어진 자동차 촉매변환기.
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US36754002P | 2002-03-25 | 2002-03-25 | |
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PCT/US2003/009147 WO2003082773A1 (en) | 2002-03-25 | 2003-03-24 | Mullite bodies and methods of forming mullite bodies |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140019817A (ko) * | 2011-03-29 | 2014-02-17 | 다우 글로벌 테크놀로지스 엘엘씨 | 다공성 멀라이트-티알라이트 복합체의 제조 방법 |
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2003
- 2003-03-24 ZA ZA200407366A patent/ZA200407366B/xx unknown
- 2003-03-24 BR BR0308835-9A patent/BR0308835A/pt not_active Application Discontinuation
- 2003-03-24 AU AU2003231971A patent/AU2003231971A1/en not_active Abandoned
- 2003-03-24 WO PCT/US2003/009147 patent/WO2003082773A1/en active Application Filing
- 2003-03-24 US US10/477,833 patent/US7425297B2/en not_active Expired - Fee Related
- 2003-03-24 AT AT03745603T patent/ATE497488T1/de not_active IP Right Cessation
- 2003-03-24 JP JP2003580245A patent/JP2005521624A/ja not_active Withdrawn
- 2003-03-24 KR KR1020047015253A patent/KR100965042B1/ko active IP Right Grant
- 2003-03-24 DE DE60335941T patent/DE60335941D1/de not_active Expired - Lifetime
- 2003-03-24 CN CNB038069032A patent/CN100384784C/zh not_active Expired - Fee Related
- 2003-03-24 EP EP03745603A patent/EP1490310B1/en not_active Expired - Lifetime
- 2003-03-24 CA CA2480167A patent/CA2480167C/en not_active Expired - Fee Related
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- 2008-07-25 US US12/179,963 patent/US7947620B2/en not_active Expired - Fee Related
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- 2010-04-06 JP JP2010087937A patent/JP2010150140A/ja not_active Withdrawn
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101483330B1 (ko) * | 2008-06-19 | 2015-01-15 | 다우 글로벌 테크놀로지스 엘엘씨 | 세라믹의 압출을 위한 셀룰로오스 에터 함유 첨가제 |
KR20140019817A (ko) * | 2011-03-29 | 2014-02-17 | 다우 글로벌 테크놀로지스 엘엘씨 | 다공성 멀라이트-티알라이트 복합체의 제조 방법 |
Also Published As
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ZA200407366B (en) | 2006-02-22 |
EP1490310A1 (en) | 2004-12-29 |
CN100384784C (zh) | 2008-04-30 |
KR100965042B1 (ko) | 2010-06-21 |
BR0308835A (pt) | 2005-01-25 |
JP2005521624A (ja) | 2005-07-21 |
US20080293564A1 (en) | 2008-11-27 |
DE60335941D1 (de) | 2011-03-17 |
CA2480167C (en) | 2011-03-08 |
CA2480167A1 (en) | 2003-10-09 |
US7425297B2 (en) | 2008-09-16 |
JP2010150140A (ja) | 2010-07-08 |
WO2003082773A1 (en) | 2003-10-09 |
ATE497488T1 (de) | 2011-02-15 |
EP1490310B1 (en) | 2011-02-02 |
AU2003231971A1 (en) | 2003-10-13 |
US7947620B2 (en) | 2011-05-24 |
CN1642876A (zh) | 2005-07-20 |
US20050115214A1 (en) | 2005-06-02 |
JP2014031317A (ja) | 2014-02-20 |
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