KR20120123671A - 기공 및/또는 마이크로구체 배치 및/또는 크기가 조절된 세라믹 입자 및 그의 제조 방법 - Google Patents
기공 및/또는 마이크로구체 배치 및/또는 크기가 조절된 세라믹 입자 및 그의 제조 방법 Download PDFInfo
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- KR20120123671A KR20120123671A KR1020127020076A KR20127020076A KR20120123671A KR 20120123671 A KR20120123671 A KR 20120123671A KR 1020127020076 A KR1020127020076 A KR 1020127020076A KR 20127020076 A KR20127020076 A KR 20127020076A KR 20120123671 A KR20120123671 A KR 20120123671A
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- microspheres
- ceramic
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- microsphere
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- 239000004005 microsphere Substances 0.000 title claims abstract description 747
- 239000002245 particle Substances 0.000 title claims abstract description 557
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- 238000004519 manufacturing process Methods 0.000 title claims description 21
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 108
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- 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 group [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 claims description 22
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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 claims description 18
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Abstract
Description
Claims (60)
- a. 1종 이상의 세라믹 또는 세라믹 전구체 및 1종 이상의 마이크로구체 및/또는 기공 형성제를 포함하는 생소지(green body) 물질로부터 생소지를 형성하며, 여기서 대부분의 상기 마이크로구체 및/또는 기공 형성제가 상기 생소지에서, 대부분의 상기 마이크로구체 및/또는 기공 형성제가 서로 접해 있지 않도록 분포되고, 상기 마이크로구체 및/또는 기공 형성제가 실질적으로 균일한 형상 및 크기를 갖는 것인 단계; 및
b. 상기 생소지를 다수의 마이크로구체 및/또는 기공이 함유된 소결체를 형성하는 소결 조건 하에 소결시키며, 여기서 상기 마이크로구체 및/또는 기공이 임의로 1종 이상의 유리질 화합물에 의해 적어도 부분적으로 둘러싸여 있고, 대부분의 상기 마이크로구체 및/또는 기공이 서로 접해 있지 않는 것인 단계
를 포함하는, 마이크로구체 및/또는 기공 함유 세라믹 입자의 제조 방법. - 제1항에 있어서, 상기 세라믹 또는 세라믹 전구체가 코디어라이트, 물라이트, 보크사이트, 실리카, 스포듀민, 산화규소, 산화알루미늄, 산화나트륨, 산화칼륨, 산화칼슘, 산화지르코늄, 산화리튬, 산화철, 스피넬, 스테아타이트, 실리케이트, 치환 알루미노 실리케이트 점토, 무기 질화물, 무기 탄화물, 비산화물 세라믹 또는 그의 임의의 조합을 포함하는 것인 방법.
- 제1항에 있어서, 상기 세라믹 또는 세라믹 전구체가 약 0.5 내지 약 15의 입자 크기 분포 (dgs)를 가지며, 여기서 dgs={(dg90-dg10)/dg50}이고, 여기서 dg10은 입자의 10%가 그 보다 작은 입자 크기를 갖는 입자 크기이고, dg50은 입자의 50%가 그 보다 작은 입자 크기를 갖는 중간 입자 크기이고, dg90은 입자 부피의 90%가 그 보다 작은 입자 크기를 갖는 입자 크기인 방법.
- 제1항에 있어서, 상기 세라믹 또는 세라믹 전구체가 상기 생소지의 약 90 중량% 내지 약 99.9 중량%를 차지하는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 상기 유리질 화합물 및 상기 기체를 형성할 수 있는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 탄화물, 질화물, 산질화물, 황화물, 할로겐화물, 붕화물 또는 그의 임의의 조합을 포함하는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 유기금속 화합물 또는 복합체를 포함하는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 산화물 증기를 형성할 수 있는 1종 이상의 금속과의 금속 합금을 포함하는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 탄화규소인 방법.
- 제5항에 있어서, 상기 유리질 화합물이 이산화규소인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 가연성 무기 또는 유기 물질을 포함하는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 적어도 부분적으로 분해되어 기체를 발생시키는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 약 0.5 내지 약 5.0의 입자 크기 분포 (dfs)를 가지며, 여기서 dfs={(df90-df10)/df50}이고, 여기서 df10은 입자의 10%가 그 보다 작은 입자 크기를 갖는 입자 크기이고, df50은 입자의 50%가 그 보다 작은 입자 크기를 갖는 중간 입자 크기이고, df90은 입자의 90%가 그 보다 작은 입자 크기를 갖는 입자 크기인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 형성제가 상기 생소지의 약 0.01 중량% 내지 약 10 중량%를 차지하는 것인 방법.
- 제1항에 있어서, 생소지 물질이 소결 보조제, 유리질 상 형성제, 결정립 성장 억제제, 세라믹 강화제, 결정화 조절제 또는 상 형성 조절제, 또는 그의 임의의 조합을 포함하는 1종 이상의 소결 촉진제를 추가로 포함하는 것인 방법.
- 제1항에 있어서, 상기 생소지 물질이 산화이트륨, 산화세륨 및 그의 임의의 조합을 추가로 포함하는 것인 방법.
- 제1항에 있어서, 상기 생소지가 중공 템플릿(template)을 추가로 포함하는 것인 방법.
- 제1항에 있어서, 상기 소결을 기체의 존재 하에 수행하는 방법.
- 제18항에 있어서, 상기 기체가 약 100 ppm 내지 약 100 중량%의 산소를 포함하는 것인 방법.
- 제1항에 있어서, 상기 소결을 약 1 x 105 Pa 내지 약 5 x 105 Pa의 압력 하에 수행하는 방법.
- 제1항에 있어서, 상기 소결이 상기 생소지에서 상기 세라믹 또는 세라믹 전구체의 반응성 확산 또는 국소적 용융을 초래하는 것인 방법.
- 제1항에 있어서, 상기 소결을 약 0.1 MPa 내지 약 200 MPa의 압력에서 약 1시간 내지 약 20시간 동안 약 500℃ 내지 약 2500℃의 온도에서 수행하는 방법.
- 제1항에 있어서, 상기 마이크로구체의 총 개수의 80% 이상이 서로 접해 있지 않는 것인 방법.
- 제1항에 있어서, 상기 마이크로구체 및/또는 기공 함유 세라믹 입자가 약 1.8 내지 약 2.25의 비중, 약 1% 내지 약 10%의 마이크로구체 배치 및/또는 크기, 약 10 MPa 내지 약 300 MPa의 충격 강도, 및 약 50 MPa 내지 약 400 MPa의 4점 굽힘 강도를 갖는 것인 방법.
- 다수의 마이크로구체 및/또는 기공이 함유된 소결체를 포함하며, 여기서 상기 마이크로구체 및/또는 기공이 임의로 1종 이상의 유리질 화합물에 의해 적어도 부분적으로 둘러싸여 있고, 대부분의 상기 기체 마이크로구체 및/또는 기공이 서로 접해 있지 않는 것인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, 상기 소결체가 적어도 부분적으로 코디어라이트, 물라이트, 보크사이트, 실리카, 스포듀민, 산화규소, 산화알루미늄, 산화나트륨, 산화칼륨, 산화칼슘, 산화지르코늄, 산화리튬, 산화철, 스피넬, 스테아타이트, 실리케이트, 치환 알루미노 실리케이트 점토, 무기 질화물, 무기 탄화물, 비산화물 세라믹 또는 그의 임의의 조합을 포함하는 것인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, 상기 소결체가 세노스피어(cenosphere), 마이크로 유리 비드, 합성 세노스피어, 중합체 비드 또는 그의 임의의 조합을 둘러싸거나 캡슐화하는 것인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, 약 0.8 내지 약 3.5의 비중, 약 1% 내지 약 49%의 마이크로구체 및/또는 기공 총 부피, 약 10 MPa 내지 약 300 MPa의 충격 강도, 및 약 50 MPa 내지 약 400 MPa의 4점 굽힘 강도를 갖는, 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, 약 1.8 내지 약 2.25의 비중, 약 1% 내지 약 10%의 마이크로구체 및/또는 기공 총 부피, 약 10 MPa 내지 약 300 MPa의 충격 강도, 및 약 50 MPa 내지 약 400 MPa의 4점 굽힘 강도를 갖는, 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, 약 0.4 내지 약 1.0의 dps를 가지며, 여기서 dps=(dp90-dp10)/dp50이고, 여기서 dp10은 입자의 10%가 그 보다 작은 입자 크기를 갖는 입자 크기이고, dp50은 입자의 50%가 그 보다 작은 입자 크기를 갖는 중간 입자 크기이고, dp90은 입자의 90%가 그 보다 작은 입자 크기를 갖는 입자 크기인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항에 있어서, Rp가 약 0.01 내지 약 0.1이며, 여기서 Rp = dv50/dp50이고, 여기서 dv50은 분포 마이크로구체 및/또는 기공의 50%가 그 보다 작은 마이크로구체 및/또는 기공 크기를 갖는 중간 마이크로구체 및/또는 기공 크기이고, dp50은 분포 입자의 50%가 그 보다 작은 입자 크기를 갖는 중간 입자 크기인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 제25항의 마이크로구체 함유 세라믹 입자를 포함하는 프로판트(proppant) 배합물을 지하층으로 도입하는 것을 포함하는, 개방성 지하층 균열의 지지 방법.
- a. 제25항의 마이크로구체 함유 세라믹 입자가 현탁된, 유체, 동력화 유체, 포말 또는 기체 운반체를 포함하는 처리 유체를 제조하거나 제공하는 단계, 및
b. 상기 처리 유체를 지하 산출 구역으로 펌핑함으로써 상기 입자가 그 안에서 침착되는 단계
를 포함하는, 웰보어(well bore)가 관통하는 지하 산출 구역의 처리 방법. - 제1항에 있어서, 상기 세라믹 또는 세라믹 전구체가 1종 이상의 침강 물질 또는 1종 이상의 합성 제조된 물질 또는 이들 둘 다를 포함하는 것인 방법.
- 제25항에 있어서, 상기 소결체가 1종 이상의 침강 물질 또는 1종 이상의 합성 제조된 물질 또는 이들 둘 다로부터 유래된 1종 이상의 물질을 포함하는 것인 마이크로구체 및/또는 기공 함유 세라믹 입자.
- 프로판트를 형성하는 출발 물질 중 1종 이상을 막 여과에 의해 여과하고, 이어서 막 여과에 의해 여과된 상기 출발 물질로부터 생소지를 형성하고, 이어서 상기 생소지를 소결시켜 소결체를 형성하는 것을 포함하는, 프로판트의 제조 방법.
- 제36항에 있어서, 상기 막 여과가 횡류 막 분리인 방법.
- 제36항에 있어서, 상기 막 여과가 전량 여과(dead end filtration)인 방법.
- a. 미리 결정된 크기의 마이크로구체 및/또는 기공 형성제 템플릿을 제조하는 단계,
b. 상기 크기의 마이크로구체 및/또는 기공 형성제 템플릿의 부분집합체를 선별하는 단계, 및
c. 상기 크기의 마이크로구체 및/또는 기공 형성제 템플릿의 상기 선별된 부분집합체를 무기 또는 유기 물질로 코팅하는 단계
를 포함하는, 마이크로구체 및/또는 기공 형성제의 제조 방법. - 제39항에 있어서, 상기 크기의 마이크로구체 및/또는 기공 형성제 템플릿의 부분집합체의 상기 선별을 스크리닝, 여과, 공기 분리, 침강, 충돌, 부유 및 그의 임의의 조합을 포함하는 수단에 의해 달성하는 방법.
- 유기 또는 무기 코팅을 갖는 마이크로구체 형성제 템플릿을 포함하고, 선별된 평균 입자 크기 및 선별된 입자 크기 분포를 갖는 마이크로구체 및/또는 기공 형성제.
- 제41항에 있어서, 상기 무기 물질이 산화물, 질화물, 붕화물, 탄화물, 할로겐화물, 금속, 금속 산화물 또는 그의 임의의 조합을 포함하는 것인 마이크로구체 및/또는 기공 형성제.
- 제41항에 있어서, 상기 유기 물질이 폴리메틸 메타크릴레이트, 폴리스티렌, 폴리올레핀, 폴리카르보네이트, 실리콘 중합체 및 그의 임의의 조합을 포함하는 중합체인 마이크로구체 및/또는 기공 형성제.
- a. 1종 이상의 세라믹 또는 세라믹 전구체 및 상기 또는 하기 실시양태/특징/측면 중 어느 하나의 마이크로구체 및/또는 기공 형성제를 포함하는 생소지 물질로부터 생소지를 형성하며, 여기서 대부분의 상기 마이크로구체 및/또는 기공 형성제가 상기 생소지에서, 대부분의 상기 마이크로구체 및/또는 기공 형성제가 서로 접해 있지 않도록 분포되고, 상기 마이크로구체 및/또는 기공 형성제가 실질적으로 균일한 형상 및 크기를 갖는 것인 단계; 및
b. 상기 생소지를 기체 기포가 함유된 소결체를 형성하는 소결 조건 하에 소결시키며, 여기서 상기 기체 기포가 유리-세라믹, 세라믹, 금속 또는 그의 조합 입자에서 마이크로구체 및/또는 기공을 원위치 형성하는 1종 이상의 유리질 화합물에 의해 적어도 부분적으로 둘러싸여 있는 것인 단계
를 포함하는, 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품의 제조 방법. - 기체 기포가 함유된 소결체를 포함하며, 여기서 상기 기체 기포가 임의로 원위치 마이크로구체 및/또는 기공을 형성하는 1종 이상의 유리질 화합물에 의해 적어도 부분적으로 둘러싸여 있고, 대부분의 상기 원위치 마이크로구체 및/또는 기공이 서로 접해 있지 않는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 상기 소결체가 적어도 부분적으로 코디어라이트, 물라이트, 보크사이트, 실리카, 스포듀민, 산화규소, 산화알루미늄, 산화나트륨, 산화칼륨, 산화칼슘, 산화지르코늄, 산화리튬, 산화철, 스피넬, 스테아타이트, 실리케이트, 점토, 치환 알루미노 실리케이트 점토, 무기 질화물, 무기 탄화물, 비산화물 세라믹 또는 그의 임의의 조합을 포함하는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 상기 소결체가 세노스피어, 마이크로 유리 비드, 합성 세노스피어, 중합체 비드 또는 그의 임의의 조합을 둘러싸는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 약 1.8 내지 약 2.25의 비중, 약 1% 내지 약 10%의 기공률, 약 10 MPa 내지 약 300 MPa의 충격 강도, 및 약 50 MPa 내지 약 400 MPa의 4점 굽힘 강도를 갖는 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 상기 원위치 형성된 마이크로구체 및/또는 기공이 위스커(whisker) 또는 섬유를 함유하는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 상기 소결체가 위스커 또는 섬유를 함유하는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 제45항에 있어서, 상기 소결체와 상기 마이크로구체 사이의 계면이 위스커 또는 섬유를 함유하는 것인 유리-세라믹, 세라믹, 금속 또는 그의 조합 물품.
- 하기 특성:
a) 프로판트 (임의적 중심부 간극은 모두 제외됨)에서의 대부분의 기공 및/또는 마이크로구체가 50 마이크로미터3 미만의 크기를 가짐,
b) 프로판트 집합체 (프로판트 50 g의 샘플을 기준으로 함)가 ±0.8 이하의 비중 분산도를 가짐,
c) 총 기공률이 프로판트 (임의적 중심부 간극은 모두 제외됨)의 5 부피% 내지 33 부피%이며, 여기서 대부분의 기공/마이크로구체는 서로 접해 있지 않음, 및
d) 기공/마이크로구체가 프로판트에서, 기공/마이크로구체 밀도가 프로판트 전체에서 거의 동일하도록 균일하게 분포됨
중 하나 이상을 갖는 마이크로구체 및/또는 기공 함유 세라믹 프로판트. - 제52항에 있어서, 상기 대부분이, 임의로 존재하는 모든 중심부 간극이 제외된 상기 프로판트에 존재하는 총 기공/마이크로구체의 카운트를 기준으로 50% 내지 95%인 마이크로구체 및/또는 기공 함유 세라믹 물질.
- 제52항에 있어서, 상기 프로판트가 2,000 psi 이상의 충격 강도를 갖는 것인 마이크로구체 및/또는 기공 함유 세라믹 물질.
- 제52항에 있어서, 상기 프로판트가 5,000 psi 이상의 충격 강도를 갖는 것인 마이크로구체 및/또는 기공 함유 세라믹 물질.
- 제52항에 있어서, 상기 기공/마이크로구체 밀도가, 상기 프로판트의 어느 한 구역이, 상기 프로판트의 다른 구역의 밀도와 비교하여 ±25% 이내의 밀도를 갖도록 하는 것인 프로판트.
- 제52항에 있어서, 1.0 내지 2.6의 비중을 갖는 프로판트.
- 제52항에 있어서, 상기 비중 분산도가 ±0.3 이하인 프로판트.
- 제52항에 있어서, 상기 특성 모두를 갖는 프로판트.
- 제52항에 있어서, a) 특성을 나타내며, 상기 크기가 20 마이크로미터 미만인 프로판트.
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| PCT/US2010/061999 WO2011082102A1 (en) | 2009-12-31 | 2010-12-23 | Ceramic particles with controlled pore and/or microsphere placement and/or size and method of making same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020184863A3 (ko) * | 2019-03-14 | 2020-10-29 | 한국기계연구원 | 세라믹 나노섬유 구조체, 광촉매로 개질된 세라믹 나노섬유 분리막 및 이들의 제조방법 |
| KR102251305B1 (ko) * | 2019-11-04 | 2021-05-12 | 주식회사 비앤비 | 티탄산칼륨 구조체를 포함하는 부식방지 도료층 |
| KR20230077387A (ko) * | 2021-11-25 | 2023-06-01 | 이규빈 | 발전터빈 블레이드 제작용 정밀주조 세라믹 컵 제조 원료조성물 |
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| CA2785464A1 (en) | 2011-07-07 |
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| AR081516A1 (es) | 2012-10-03 |
| AU2010336912A1 (en) | 2012-07-19 |
| CN102781854A (zh) | 2012-11-14 |
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| US8728991B2 (en) | 2014-05-20 |
| CN102781854B (zh) | 2015-11-25 |
| US20140249058A1 (en) | 2014-09-04 |
| MY156375A (en) | 2016-02-15 |
| CA2785464C (en) | 2019-08-13 |
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