KR970006167A - 침강 실리카, 이의 제조방법 및 용도 - Google Patents
침강 실리카, 이의 제조방법 및 용도 Download PDFInfo
- Publication number
- KR970006167A KR970006167A KR1019960030530A KR19960030530A KR970006167A KR 970006167 A KR970006167 A KR 970006167A KR 1019960030530 A KR1019960030530 A KR 1019960030530A KR 19960030530 A KR19960030530 A KR 19960030530A KR 970006167 A KR970006167 A KR 970006167A
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- less
- silica
- din
- astm
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
- C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/443—Particulate material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/19—Oil-absorption capacity, e.g. DBP values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Silicon Compounds (AREA)
- Cell Separators (AREA)
- Saccharide Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Steroid Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Vending Machines For Individual Products (AREA)
Abstract
본 발명은 BET 표면적(DIN 66131)이 100 내지 130㎡/g이고, DBP 흡수량(무수물) (DIN 53601 ASTM D 2414)이 275g/100g 이상이며, 건조시 손실량(DIN ISO 787/Ⅱ, 2h/105℃) (ASTM D 280, JIS K 5101/21)이 3.5 내지 5.5%이고, 앨핀(ALPINE) 공기 분사 시이브를 사용하는 과크기 측정 중량으로 63㎛를 초과하는 중량이 10.0중량% 이하이고, 150㎛를 초과하는 중량이 0.1중량% 이하이며, 250㎛를 초과하는 중량이 0.01중량% 이하인 물리적-화학적 데이터를 갖고, 물을 침전 용기에 도입하고 알칼리도 5 내지 15가 성취될 때까지 물유리를 가한 다음, 추가의 물유리와 황산을 동시에 가하고, 황산을 사용하여 교반하면서 pH 8.5로 되도록 침강 실리카 현탁액을 산성화한 다음, 중단시키고, 진한 황산을 사용하여 pH 4로 계속 산성화시킨 다음 분리하여 현탁액 중의 고형분 함량이 약 88g/ℓ인 침강 실리카를 분리하고 세척한 다음, 수득된 여과 케이크를 액화시키고, 분무 건조기로 건조시키고 분쇄시킴으로써 제조되는 침강 실리카에 관한 것이다.
침강 실리카는 전지 격리판 제조용으로 사용될 수 있다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (10)
- BET 표면적(DIN 66131)이 100 내지 130㎡/g이고, DBP 흡수량(무수물) (DIN 53601 ASTM D 2414)이 275g/100g 이상이며, 건조시 손실량(DIN ISO 787/Ⅱ, 2h/105℃) (ASTM D 280, JIS K 5101/21)이 3.5 내지 5.5%이고, 앨핀(ALPINE) 공기 분사 시이브를 사용하는 과크기 측정 중량으로서 63㎛를 초과하는 중량이 10.0중량% 이하이고, 150㎛를 초과하는 중량이 0.1중량% 이하이며, 250㎛를 초과하는 중량이 0.01중량% 이하인 물리적-화학적 데이터를 갖는 침강 실리카.
- 제1항에 있어서, 염화물 함량이 100ppm C1 이하인 침강 실리카.
- 90 내지 91℃의 온수를 교반하면서 침전 용기에 도입하고, SiO2:Na2O 모듈러스(SiO2=26.8중량%;Na2O=8.0중량%)가 3.34:1인 통 상의 물유리를 소정의 알칼리도가 성취될 때까지 가한 다음, 90분의 침강기간동안 온도를 일정하게 유지시키면서, 소정의 알칼리도를 유지시키도록 위와 동일한 물유리와 황산을 2개의 개별적인 장소에 동시에 가하고, 진한 황산을 사용하여 pH 8.5로 되도록 약 20분이내에 침강 실리카 현탁액을 산성화한 다음, 30분 동안 교반하면서 90 내지 91℃에서 침전반응을 중단시키고, 진한 황산을 사용하여 pH4로 계속 산성화시킨 다음, 현탁액 중의 고형분 함량이 약 88g/ℓ인 침강 실리카를 챔버 필터 프레스(chamber filter press)로 분리하고, 세척한 다음, 수득한 여과 케이크를 물과 기계적 전단력으로 액화시키고, 원심분리형 어토마이저가 장착된 분무 건조기로 건조시킨 다음, 롤러 밀(roller mill)로 분쇄시켜, 제1항에 따르는 BET 표면적(DIN 66131)이 100 내지 130㎡/g이고, DBP 흡수량(무수물) (DIN 53601 ASTM D 2414)이 275g/100g 이상이며, 건조시 손실량(DIN ISO 787/Ⅱ, 2h/105℃) (ASTM D 280, JIS K 5101/21)이 3.5 내지 5.5%이고, 앨핀(ALPINE) 공기 분사 시이브를 사용하는 과크기 측정 중량으로서 63㎛를 초과하는 중량이 10.0중량% 이하이고, 150㎛를 초과하는 중량이 0.1중량% 이하이며, 250㎛를 초과하는 중량이 0.01중량% 이하인 물리적-화학적 데이터를 갖는 침강 실리카를 제조하는 방법으로서, 침전 동안 알칼리도를 5 내지 15, 바람직하게는 7로 일정하게 유지시킴을 특징으로 하는 방법.
- 제3항에 있어서, 작동이 분무 건조되는 동안 분무되는 실리카 공급물의 고형분 함량이 16 내지 20%, 바람직하게는 18%이고 원심분리형 어토마이저의 속도가 10,000 내지 12,000rpm이며 고온 가스의 유입 온도가 700 내지 750℃이고 유출 온도가 90 내지 120℃인 조건하에 수행됨을 특징으로 하는 방법.
- 제3항 또는 제4항에 있어서, 크로스플로우 밀(crossflow mill)이 롤러 밀 대신에 분쇄용으로 사용됨을 특징으로 하는 방법.
- 제3항에 있어서, 필터 프레스에 의해 분리된 여과 케이크가, 분쇄된 최종 생성물의 염화물 함량이 100ppm 이하로 될 때까지 저염화물수(염화물 20ppm 이하)로, 바람직하게는 탈이온수 또는 축합물로 세정됨을 특징으로 하는 방법.
- 제3항에 있어서, 스핀 플래쉬 건조기가 분무 건조기 대신에 사용됨을 특징으로 하는 방법.
- 제7항에 있어서, 스핀 플래쉬 건조된 실리카의 분쇄가 필요없음을 특징으로 하는 방법.
- 총 다공도가 64% 이상이고, 37% 전지산에의 24시간 침지 후의 저항이 0.6mOhm.inch2/ mil 이하이며 잔류오일 함량이 12 내지 14%인 탄분 함량이 68% 이상임을 특징으로 하는, 납-산을 기본으로 하는 산업용 전지를 위한 폴리에틸렌-실리카 전지 격리판에 있어서 제1항 또는 제2항에 따르는 실리카의 용도.
- 8 내지 10mil 격리판이 잔류 오일 함량이 12 내지 14%이고 저항 0.6mOhm.inch2/ mil임을 특징으로 하는, 실리카:폴리에틸렌의 비가 2.5:1 내지 3.5:1이고 납-산을 기본으로 하는 출발 전지를 위한 실리카-전지 격리판에 있어서 제1항 또는 제2항에 따르는 실리카의 용도.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19527278.1 | 1995-07-26 | ||
DE19527278A DE19527278A1 (de) | 1995-07-26 | 1995-07-26 | Fällungskieselsäure |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970006167A true KR970006167A (ko) | 1997-02-19 |
KR100222348B1 KR100222348B1 (ko) | 1999-10-01 |
Family
ID=7767822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960030530A KR100222348B1 (ko) | 1995-07-26 | 1996-07-26 | 침강 실리카, 이의 제조방법 및 용도 |
Country Status (14)
Country | Link |
---|---|
US (2) | US5851502A (ko) |
EP (1) | EP0755899B1 (ko) |
JP (1) | JP2978118B2 (ko) |
KR (1) | KR100222348B1 (ko) |
CN (1) | CN1052959C (ko) |
AT (1) | ATE182125T1 (ko) |
BR (1) | BR9603193A (ko) |
DE (2) | DE19527278A1 (ko) |
ES (1) | ES2135820T3 (ko) |
ID (1) | ID17208A (ko) |
MX (1) | MX9602784A (ko) |
PL (1) | PL315419A1 (ko) |
TR (1) | TR199600604A2 (ko) |
ZA (1) | ZA966343B (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527278A1 (de) * | 1995-07-26 | 1997-01-30 | Degussa | Fällungskieselsäure |
KR100342941B1 (ko) * | 1996-05-31 | 2002-08-22 | 피피지 인더스트리즈 오하이오 인코포레이티드 | 무정형의침전된실리카 |
DE19740440A1 (de) * | 1997-09-15 | 1999-03-18 | Degussa | Leicht dispergierbare Fällungskieselsäure |
EP1215170A1 (en) * | 2000-12-14 | 2002-06-19 | Akzo Nobel N.V. | Precipitated silica particles for cat litter |
DE10112441A1 (de) * | 2001-03-15 | 2002-09-19 | Degussa | Kieselsäure durch Fällung mit konstanter Alkalizahl und deren Verwendung |
DE10146325A1 (de) * | 2001-09-20 | 2003-04-10 | Degussa | Fällungskieselsäure mit hohem BET/CTAB-Verhältnis |
WO2004065443A2 (de) * | 2003-01-22 | 2004-08-05 | Degussa Ag | Speziell gefällte kieselsäuren für gummianwendungen |
DE10358449A1 (de) * | 2003-01-22 | 2004-08-05 | Degussa Ag | Höchstdispergierbare Silicas für Gummianwendungen |
KR100960519B1 (ko) | 2003-01-22 | 2010-06-03 | 에보닉 데구사 게엠베하 | 고무에 사용하기 위한 고분산성 실리카 |
DE10358466A1 (de) * | 2003-01-22 | 2004-08-05 | Degussa Ag | Speziell gefällte Kieselsäuren für Gummianwendungen |
DE102004005411A1 (de) * | 2004-02-03 | 2005-08-18 | Degussa Ag | Hydrophobe Fällungskieselsäure für Entschäumerformulierungen |
DE102004029069A1 (de) | 2004-06-16 | 2005-12-29 | Degussa Ag | Oberflächenmodifizierte Silicagele |
US7037476B1 (en) | 2004-12-27 | 2006-05-02 | Council Of Scientific And Industrial Research | Process for preparing amorphous silica from kimberlite tailing |
CN101094808B (zh) * | 2004-12-30 | 2011-07-27 | 科学与工业研究委员会 | 从金伯利岩尾矿制备非晶二氧化硅的方法 |
US7276156B2 (en) * | 2005-05-26 | 2007-10-02 | Tony Mason Lockerman | Storm drain filter |
DE102005043202A1 (de) | 2005-09-09 | 2007-03-15 | Degussa Ag | Fällungskieselsäuren mit besonderer Porengrößenverteilung |
CN101296865B (zh) * | 2005-11-10 | 2011-10-12 | 科学与工业研究委员会 | 用于从金伯利岩尾矿制备硅酸钠的方法 |
US7767180B2 (en) | 2006-05-26 | 2010-08-03 | Degussa Gmbh | Precipitated silicas having special surface properties |
DE102006024590A1 (de) * | 2006-05-26 | 2007-11-29 | Degussa Gmbh | Hydrophile Kieselsäure für Dichtungsmassen |
DE102006048850A1 (de) * | 2006-10-16 | 2008-04-17 | Evonik Degussa Gmbh | Amorphe submicron Partikel |
CN101679050B (zh) * | 2007-05-03 | 2012-11-28 | 科学与工业研究委员会 | 制备微细的沉淀二氧化硅的方法 |
US20090084035A1 (en) * | 2007-09-28 | 2009-04-02 | General Electric Company | Polygeneration systems |
DE102007052269A1 (de) * | 2007-11-02 | 2009-05-07 | Evonik Degussa Gmbh | Fällungskieselsäuren für lagerstabile RTV-1 Siliconkautschukformulierungen ohne Stabilisator |
US7985292B2 (en) | 2007-11-26 | 2011-07-26 | Evonik Degussa Corporation | Precipitated silica for thickening and creating thixotropic behavior in liquid systems |
CN102923722B (zh) * | 2012-11-22 | 2015-04-01 | 株洲兴隆新材料股份有限公司 | 白炭黑的制备方法 |
WO2015186045A2 (en) * | 2014-06-03 | 2015-12-10 | Bridgedots Techservices Pvt. Ltd. | Highly dispersible precipitated silica and method of preparation thereof |
CN104291342B (zh) * | 2014-09-22 | 2017-01-25 | 无锡恒诚硅业有限公司 | 一种沉淀二氧化硅、制备方法及其用途 |
CN104291345B (zh) * | 2014-09-22 | 2017-01-25 | 无锡恒诚硅业有限公司 | 具有低硅醇基的沉淀二氧化硅、制备方法和用途 |
CN104891506A (zh) * | 2015-06-05 | 2015-09-09 | 确成硅化学股份有限公司 | 一种低bet高分散性白炭黑的制造方法 |
WO2017170977A1 (ja) * | 2016-03-31 | 2017-10-05 | 日本板硝子株式会社 | 液式鉛蓄電池用セパレータ |
CN106477591B (zh) * | 2016-09-29 | 2017-12-26 | 广州市飞雪材料科技有限公司 | 一种pe隔板用二氧化硅的制备方法 |
CN108002397A (zh) * | 2017-12-29 | 2018-05-08 | 云南磷化集团有限公司 | 一种工业水玻璃制备白炭黑的方法 |
CN115571886B (zh) * | 2022-10-14 | 2023-12-05 | 福建正盛无机材料股份有限公司 | 一种低吸油、低比表面积二氧化硅的制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1515826A (fr) * | 1963-08-07 | 1968-03-08 | Grace W R & Co | Séparateur pour batterie et procédé pour sa fabrication |
NL6502791A (ko) * | 1965-03-05 | 1966-09-06 | ||
US3351495A (en) * | 1966-11-22 | 1967-11-07 | Grace W R & Co | Battery separator |
US4024323A (en) * | 1975-02-06 | 1977-05-17 | Evans Products Company | Battery separator |
BR7606622A (pt) * | 1976-09-29 | 1978-05-02 | Asfaltos Vitoria Sa | Processo de fabricacao de dioxido de silicio precipitado,para ser usado como carga de reforco em borracha,plasticos,tintas e outros usos |
US4237083A (en) * | 1979-02-13 | 1980-12-02 | Evans Products Company | Process of manufacturing a microporous sheet material |
FR2562534B1 (fr) * | 1984-04-06 | 1986-06-27 | Rhone Poulenc Chim Base | Nouvelle silice precipitee a caracteres morphologiques ameliores, procede pour son obtention et application, notamment comme charge |
FR2567505B1 (fr) * | 1984-07-11 | 1986-11-21 | Rhone Poulenc Chim Base | Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention |
DE3545615C3 (de) * | 1984-12-28 | 1996-11-21 | Ppg Industries Inc | Verwendung von amorphem gefälltem Siliziumdioxid zum Verstärken von mikroporösen Trennelementen für Batterien |
GB2169129B (en) * | 1984-12-28 | 1988-06-08 | Ppg Industries Inc | Battery separator |
US4681750A (en) * | 1985-07-29 | 1987-07-21 | Ppg Industries, Inc. | Preparation of amorphous, precipitated silica and siliceous filler-reinforced microporous polymeric separator |
DE3639845A1 (de) * | 1986-11-21 | 1988-06-01 | Degussa | Faellungskieselsaeuren, verfahren zu ihrer herstellung und verwendung |
DE3815670A1 (de) * | 1988-05-07 | 1990-01-25 | Degussa | Feinteilige faellungskieselsaeure mit hoher struktur, verfahren zu seiner herstellung und verwendung |
FR2649089B1 (fr) * | 1989-07-03 | 1991-12-13 | Rhone Poulenc Chimie | Silice a porosite controlee et son procede d'obtention |
US5094829A (en) * | 1990-06-21 | 1992-03-10 | Ppg Industries, Inc. | Reinforced precipitated silica |
DE69432248T2 (de) * | 1993-09-29 | 2004-08-19 | Rhodia Chimie | Fällungskieselsäure |
DE4427137B4 (de) * | 1993-10-07 | 2007-08-23 | Degussa Gmbh | Fällungskieselsäure |
DE19527278A1 (de) * | 1995-07-26 | 1997-01-30 | Degussa | Fällungskieselsäure |
US5605569A (en) * | 1995-11-08 | 1997-02-25 | Ppg Industries, Inc. | Precipitated silica having high sodium sulfate content |
-
1995
- 1995-07-26 DE DE19527278A patent/DE19527278A1/de not_active Withdrawn
-
1996
- 1996-05-25 DE DE59602429T patent/DE59602429D1/de not_active Expired - Fee Related
- 1996-05-25 AT AT96108372T patent/ATE182125T1/de not_active IP Right Cessation
- 1996-05-25 EP EP96108372A patent/EP0755899B1/de not_active Expired - Lifetime
- 1996-05-25 ES ES96108372T patent/ES2135820T3/es not_active Expired - Lifetime
- 1996-07-01 US US08/673,136 patent/US5851502A/en not_active Expired - Fee Related
- 1996-07-15 MX MX9602784A patent/MX9602784A/es unknown
- 1996-07-22 CN CN96109937A patent/CN1052959C/zh not_active Expired - Fee Related
- 1996-07-24 TR TR96/00604A patent/TR199600604A2/xx unknown
- 1996-07-24 JP JP8194659A patent/JP2978118B2/ja not_active Expired - Lifetime
- 1996-07-25 ZA ZA9606343A patent/ZA966343B/xx unknown
- 1996-07-25 BR BRPI9603193-0A patent/BR9603193A/pt unknown
- 1996-07-25 ID IDP962111A patent/ID17208A/id unknown
- 1996-07-26 KR KR1019960030530A patent/KR100222348B1/ko not_active IP Right Cessation
- 1996-07-26 PL PL96315419A patent/PL315419A1/xx unknown
-
1998
- 1998-10-19 US US09/174,577 patent/US6077466A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BR9603193A (pt) | 2007-02-21 |
EP0755899A2 (de) | 1997-01-29 |
JP2978118B2 (ja) | 1999-11-15 |
KR100222348B1 (ko) | 1999-10-01 |
ZA966343B (en) | 1997-02-11 |
CN1148567A (zh) | 1997-04-30 |
ATE182125T1 (de) | 1999-07-15 |
US6077466A (en) | 2000-06-20 |
US5851502A (en) | 1998-12-22 |
ES2135820T3 (es) | 1999-11-01 |
TR199600604A2 (tr) | 1997-02-21 |
ID17208A (id) | 1997-12-11 |
EP0755899B1 (de) | 1999-07-14 |
DE19527278A1 (de) | 1997-01-30 |
MX9602784A (es) | 1997-06-28 |
CN1052959C (zh) | 2000-05-31 |
EP0755899A3 (de) | 1997-05-28 |
PL315419A1 (en) | 1997-02-03 |
JPH09118516A (ja) | 1997-05-06 |
DE59602429D1 (de) | 1999-08-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR970006167A (ko) | 침강 실리카, 이의 제조방법 및 용도 | |
KR970006166A (ko) | 침강 실리카 | |
FI112862B (fi) | Menetelmä saostetun piihapon valmistamiseksi | |
US5268156A (en) | Process for the preparation of sodium silicates | |
JPS6212171B2 (ko) | ||
EP0341383A3 (en) | Finely divided precipitated silicas with a high structure, process for their preparation and their use | |
SE8008673L (sv) | Forfarande for kontinuerlig forsockring av cellulosa i vextramaterial | |
BRPI0514668B1 (pt) | Composição de tinta | |
CA1158021A (en) | Method of producing strontium nitrate | |
CN217411044U (zh) | 一种硫酸钡除杂装置 | |
KR970005188B1 (ko) | 침강 실리카의 제조방법 | |
SU1680622A1 (ru) | Способ получени кремнефторида натри | |
SU971805A1 (ru) | Способ очистки сточных вод производства эпоксидных смол | |
Kajiwara | The synthesis of potassium titanate fibres by flux evaporation methods | |
GB2285979A (en) | A method for forming a cellulose powder | |
PT1237853E (pt) | Proceso para remover solvente vestigial de um material. | |
WO1996016901A1 (en) | Process for making chromium-free orthorhombic sodium sulfate | |
IE73277B1 (en) | A method for forming a cellulose powder | |
IES940025A2 (en) | A method for forming a cellulose powder | |
TH19369A (th) | กรรมวิธีการผลิตซิลิกาชนิดตกตะกอน | |
CA2064491A1 (en) | Process for producing a kaolin clay product |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |