KR100353162B1 - 포말법에 의한 다공질 세라믹스의 제조방법 - Google Patents
포말법에 의한 다공질 세라믹스의 제조방법 Download PDFInfo
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- KR100353162B1 KR100353162B1 KR1019990058380A KR19990058380A KR100353162B1 KR 100353162 B1 KR100353162 B1 KR 100353162B1 KR 1019990058380 A KR1019990058380 A KR 1019990058380A KR 19990058380 A KR19990058380 A KR 19990058380A KR 100353162 B1 KR100353162 B1 KR 100353162B1
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- porous ceramics
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- C—CHEMISTRY; METALLURGY
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
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- C—CHEMISTRY; METALLURGY
- 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
- C04B35/622—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
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63452—Polyepoxides
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- C—CHEMISTRY; METALLURGY
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
-
- C—CHEMISTRY; METALLURGY
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
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- C—CHEMISTRY; METALLURGY
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
- C04B2235/722—Nitrogen content
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
구분 | 물 | 점도조절제 | 기포제 | 평균기공크기(㎛) | 기공크기편차(㎛) | 기공률(%) | 굽힘강도(MPa) |
실시예1 | 15 | 4.7 | 0.31 | 61 | 52.3 | 62 | 56.2 |
20 | 4.7 | 0.31 | 70 | 40.3 | 74 | 29.4 | |
30 | 4.7 | 0.31 | 98 | 34.7 | 81 | 14.9 | |
35 | 4.7 | 0.31 | 130 | 35.2 | 82 | 13.3 | |
40 | 4.7 | 0.31 | 203 | 45.7 | 80 | 13.2 | |
30 | 2.0 | 0.31 | 72 | 42.8 | 70 | 39.2 | |
30 | 5.0 | 0.31 | 99 | 35.1 | 81 | 14.2 | |
30 | 9.0 | 0.31 | 111 | 41.7 | 79 | 13.1 | |
30 | 4.7 | 0.10 | 73 | 39.7 | 71 | 26.5 | |
30 | 4.7 | 0.50 | 98 | 32.9 | 82 | 12.5 | |
30 | 4.7 | 1.67 | 125 | 37.4 | 79 | 11.6 | |
실시예2 | 15 | 4.7 | 0.31 | 124 | 45.2 | 63 | 50.8 |
30 | 4.7 | 0.31 | 201 | 65.2 | 82 | 11.2 | |
40 | 4.7 | 0.31 | 310 | 73.5 | 80 | 10.5 | |
30 | 2.0 | 0.31 | 117 | 77.3 | 72 | 27.9 | |
30 | 5.0 | 0.31 | 200 | 69.4 | 81 | 13.6 | |
30 | 9.0 | 0.31 | 196 | 73.5 | 79 | 12.4 | |
30 | 4.7 | 0.10 | 148 | 78.0 | 77 | 25.9 | |
30 | 4.7 | 0.48 | 209 | 68.4 | 83 | 11.6 | |
30 | 4.7 | 1.67 | 211 | 71.9 | 80 | 10.8 | |
비교예 1 | - | - | 85 | 5.30 | |||
비교예 2 | 80 | 70.3 | 40 | 20.1 |
Claims (6)
- 세라믹으로 사용되는 무기질 분말 100중량부에 대하여 증류수 20중량부 내지 35중량부 및 점도조절제 3중량부 내지 8중량부를 첨가한 후 볼밀로 분쇄하여 원료입자의 입도가 5㎛ 이하이고 점도가 80cp 내지 2000cp인 슬러리를 제조한 다음, 상기 슬러리를 교반기에 넣고 여기에 기포제로 소수기의 탄소수가 10 내지 17인 음이온 계면활성제 또는 양이온 계면활성제를 0.15중량부 내지 1.50중량부 첨가하고 고속으로 교반하여 슬러리의 거품을 형성시키고, 겔화제를 1중량부 내지 3중량부 첨가하여 다시 저속으로 교반 혼합하고 일정한 형태로 성형건조하여 로내에 장입시켜 1℃/min 내지 3℃/min의 속도로 1100℃ 내지 1600℃까지 승온시켜 소성하는 것을 특징으로 하는 포말법에 의한 다공질 세라믹스의 제조방법.
- 제 1항에 있어서, 점도조절제로 나트륨 헥사메타포스페이트(sodium hexametaphosphate), 나트륨 폴리아크릴레이트(sodium polyacrylate), 암모늄 폴리아크릴레이트(ammonium polyacrylate) 또는 폴리에틸렌이민(polyethyleneimine)으로부터 선택된 것을 첨가하는 것을 특징으로 하는 포말법에 의한 다공질 세라믹스의 제조방법.
- 삭제
- 제 1항 또는 2항에 있어서, 양이온 계면활성제로 벤제토늄 클로라이드(benzethonium chloride), 스테아릴 트리메틸 암모늄 클로라이드(stearyl trimethyl ammonium chloride), 세틸 트리메틸 암모늄 클로라이드(cetyl trimethyl ammonium chloride) 또는 디스테아릴 트리메틸 암모늄 클로라이드(distearyl trimethyl ammonium chloride)로부터 선택된 것을 첨가하거나, 음이온 계면 활성제로 트리에탄올아민 염 라우로일 사코신(triethanloamine salt of lauoyl sarcosine), 나트륨 라우릴 설페이트(sodium lauryl sulfate), 암모늄 라우릴 설페이트(ammonium lauryl sulfate), 트리에탄올아민 염 라우릴 설페이트(triethanloamine salt of lauryl sulfate), 폴리메타크릴레이트(polymetacrylate) 또는 나트륨 도데실벤젠 설포네이트(sodium dodedylbenzene sulfonate)로부터 선택된 것을 첨가하는 것을 특징으로 하는 포말법에 의한 다공질 세라믹스의 제조방법.
- 제 1항 또는 제 2항에 있어서, 겔화제로 수용성 에폭시 수지를 첨가하는 것을 특징으로 하는 포말법에 의한 다공질 세라믹스의 제조방법.
- 제 4항에 있어서, 겔화제로 수용성 에폭시 수지를 첨가하는 것을 특징으로 하는 포말법에 의한 다공질 세라믹스의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990058380A KR100353162B1 (ko) | 1999-12-16 | 1999-12-16 | 포말법에 의한 다공질 세라믹스의 제조방법 |
Applications Claiming Priority (1)
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KR1019990058380A KR100353162B1 (ko) | 1999-12-16 | 1999-12-16 | 포말법에 의한 다공질 세라믹스의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010056771A KR20010056771A (ko) | 2001-07-04 |
KR100353162B1 true KR100353162B1 (ko) | 2002-09-18 |
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KR1019990058380A KR100353162B1 (ko) | 1999-12-16 | 1999-12-16 | 포말법에 의한 다공질 세라믹스의 제조방법 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100414309B1 (ko) * | 2001-04-06 | 2004-01-07 | 이승한 | 기포제를 사용한 세라믹 흡음재의 제조방법 |
KR100472124B1 (ko) * | 2001-11-30 | 2005-03-08 | 김윤주 | 계면활성제를 이용한 다공성 세라믹스 제조방법 |
KR100460452B1 (ko) * | 2002-08-23 | 2004-12-08 | 한국화학연구원 | 순간 겔화법을 이용한 다공성 유·무기 복합체의 제조방법 |
KR101833775B1 (ko) * | 2015-07-23 | 2018-04-13 | 전북대학교산학협력단 | 하수슬러지 연소가스용 다공성 구형 흡수제 제조방법 |
KR102255668B1 (ko) | 2020-05-07 | 2021-05-26 | 주식회사 마이크로포어 | 세라믹 폼 및 그 제조방법 |
CN116444251A (zh) * | 2023-04-04 | 2023-07-18 | 北京科技大学 | 一种二次铝灰水基浆料发泡制备多级孔陶瓷的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06239675A (ja) * | 1993-02-16 | 1994-08-30 | Mitsui Eng & Shipbuild Co Ltd | 多孔質セラミックスの製造方法 |
JPH0748185A (ja) * | 1993-08-04 | 1995-02-21 | Toyota Motor Corp | 多孔質セラミックス焼結体及びその製造方法 |
JPH10130076A (ja) * | 1996-10-28 | 1998-05-19 | Toshiba Ceramics Co Ltd | 多孔質セラミックスの製造方法 |
JPH10226586A (ja) * | 1997-02-14 | 1998-08-25 | Okayama Ceramics Gijutsu Shinko Zaidan | 無機質多孔体 |
JPH11310482A (ja) * | 1998-04-30 | 1999-11-09 | Murata Mfg Co Ltd | 多孔質セラミックス焼結体の製造方法および多孔質セラミックス成形用組成物 |
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1999
- 1999-12-16 KR KR1019990058380A patent/KR100353162B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06239675A (ja) * | 1993-02-16 | 1994-08-30 | Mitsui Eng & Shipbuild Co Ltd | 多孔質セラミックスの製造方法 |
JPH0748185A (ja) * | 1993-08-04 | 1995-02-21 | Toyota Motor Corp | 多孔質セラミックス焼結体及びその製造方法 |
JPH10130076A (ja) * | 1996-10-28 | 1998-05-19 | Toshiba Ceramics Co Ltd | 多孔質セラミックスの製造方法 |
JPH10226586A (ja) * | 1997-02-14 | 1998-08-25 | Okayama Ceramics Gijutsu Shinko Zaidan | 無機質多孔体 |
JPH11310482A (ja) * | 1998-04-30 | 1999-11-09 | Murata Mfg Co Ltd | 多孔質セラミックス焼結体の製造方法および多孔質セラミックス成形用組成物 |
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