DD295885A5 - Verfahren zur herstellung von gebleichten pflanzlichen pulpen - Google Patents

Verfahren zur herstellung von gebleichten pflanzlichen pulpen Download PDF

Info

Publication number
DD295885A5
DD295885A5 DD90344059A DD34405990A DD295885A5 DD 295885 A5 DD295885 A5 DD 295885A5 DD 90344059 A DD90344059 A DD 90344059A DD 34405990 A DD34405990 A DD 34405990A DD 295885 A5 DD295885 A5 DD 295885A5
Authority
DD
German Democratic Republic
Prior art keywords
pulp
bleached
dried
hydrogen peroxide
drying
Prior art date
Application number
DD90344059A
Other languages
German (de)
English (en)
Inventor
Michel Devic
Original Assignee
�������@�@�K@�k�����@��������k��
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by �������@�@�K@�k�����@��������k�� filed Critical �������@�@�K@�k�����@��������k��
Publication of DD295885A5 publication Critical patent/DD295885A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C01P2004/22—Particle morphology extending in two dimensions, e.g. plate-like with a polygonal circumferential shape
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Paper (AREA)
DD90344059A 1989-09-21 1990-09-17 Verfahren zur herstellung von gebleichten pflanzlichen pulpen DD295885A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912402A FR2652075B1 (fr) 1989-09-21 1989-09-21 Macrocristaux d'alumine alpha sous forme de plaquettes et procede d'obtention.

Publications (1)

Publication Number Publication Date
DD295885A5 true DD295885A5 (de) 1991-11-14

Family

ID=9385725

Family Applications (1)

Application Number Title Priority Date Filing Date
DD90344059A DD295885A5 (de) 1989-09-21 1990-09-17 Verfahren zur herstellung von gebleichten pflanzlichen pulpen

Country Status (15)

Country Link
EP (1) EP0425325B1 (ja)
JP (1) JP2564205B2 (ja)
KR (1) KR950003419B1 (ja)
CN (1) CN1047576C (ja)
AT (1) ATE98304T1 (ja)
AU (1) AU627933B2 (ja)
CA (1) CA2025037A1 (ja)
DD (1) DD295885A5 (ja)
DE (1) DE69005077T2 (ja)
DK (1) DK0425325T3 (ja)
ES (1) ES2060108T3 (ja)
FR (1) FR2652075B1 (ja)
IE (1) IE903320A1 (ja)
IL (1) IL95719A0 (ja)
NO (1) NO903690L (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718726B2 (en) 2012-11-07 2017-08-01 Asahi Glass Company, Limited Glass ceramic substrate and portable electronic device housing using the substrate

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU639326B2 (en) * 1990-05-23 1993-07-22 Atochem Ceramic preforms comprising monocrystalline hexagonal platelets of alpha-alumina, their production and applications thereof
DE69324582T2 (de) * 1992-06-02 1999-09-09 Sumitomo Chemical Co. Alpha-aluminiumoxid
CA2099734A1 (en) * 1992-07-01 1994-01-02 Akihiko Takahashi Process for preparing polyhedral alpha-alumina particles
CA2136582A1 (en) 1993-11-25 1995-05-26 Masahide Mohri Method for producing alpha-alumina powder
FR2715169B1 (fr) * 1994-01-14 1996-04-05 Atochem Elf Sa Macrocristaux renfermant du nitrure d'aluminium sous forme de plaquettes, leur procédé de préparation et leurs utilisations.
JP3416855B2 (ja) * 1994-04-15 2003-06-16 株式会社フジミインコーポレーテッド 研磨用組成物および研磨方法
AU699077B2 (en) * 1995-02-21 1998-11-19 Sumitomo Chemical Company, Limited Alpha-alumina and method for producing the same
FR2734812B1 (fr) * 1995-05-31 1997-07-04 Atochem Elf Sa Procede de preparation de pieces foreuses en ceramique comprenant des plaquettes monocristallines d'alumine alpha
TW460548B (en) * 1998-12-23 2001-10-21 Merck Patent Gmbh Pigment mixture
JP4270848B2 (ja) * 2002-11-08 2009-06-03 昭和電工株式会社 アルミナ粒子及びその製造方法
AU2003900030A0 (en) 2003-01-07 2003-01-23 Advanced Nano Technologies Pty Ltd Process for the production of ultrafine plate-like alumina particles
KR100555751B1 (ko) 2004-01-05 2006-03-03 삼성전자주식회사 화상형성장치의 프로세스 카트리지
JP4841851B2 (ja) * 2005-03-02 2011-12-21 電気化学工業株式会社 アルミナ及びその製造方法
CN100348494C (zh) * 2005-08-26 2007-11-14 郑州大学 一种高分散性α－Al2O3纳米粉体的制备方法
JP5211467B2 (ja) * 2006-11-22 2013-06-12 日本軽金属株式会社 多面体形状α−アルミナの製造方法
KR100803049B1 (ko) * 2007-08-31 2008-02-22 (주)제이피에스 마이크로텍 마이크로파를 이용한 박편상의 산화알루미늄 제조방법
DE102009014638A1 (de) 2009-03-24 2010-09-30 Clariant International Ltd. Laminate enthaltend harte, plattenförmige Mineralien
WO2013133300A1 (ja) * 2012-03-09 2013-09-12 旭硝子株式会社 ガラスセラミックス体、積層体、携帯型電子機器用筐体、および携帯型電子機器
WO2014051091A1 (ja) * 2012-09-28 2014-04-03 Dic株式会社 α－アルミナ微粒子及びその製造方法
CN102924092A (zh) * 2012-10-24 2013-02-13 江苏大学 一种高分散片状氧化铝的低成本、无污染制备方法
JP6646864B2 (ja) * 2015-06-01 2020-02-14 Dic株式会社 板状アルミナ粒子の製造方法
CN104925843A (zh) * 2015-06-03 2015-09-23 清华大学 利用复合铝盐制备薄片状α-Al2O3珠光颜料基材的方法
CN108560052B (zh) * 2018-04-26 2020-05-01 闽江学院 一种单晶六方氧化铝的制备方法及其应用
WO2020150985A1 (en) * 2019-01-25 2020-07-30 Dic Corporation Tabular alumina particle and method for manufacturing tabular alumina particle
JP6708281B2 (ja) * 2019-03-27 2020-06-10 Dic株式会社 板状アルミナ粒子
EP4041828A1 (en) 2019-10-09 2022-08-17 DIC Corporation Plate-like alumina particle and method for manufacturing plate-like alumina particle
JP7151935B2 (ja) * 2019-10-09 2022-10-12 Dic株式会社 板状アルミナ粒子、及び板状アルミナ粒子の製造方法
CN110938862A (zh) * 2019-12-23 2020-03-31 苏州纳迪微电子有限公司 高纯度单晶刚玉粉体及其制备方法
CN114057505B (zh) * 2021-12-13 2023-02-28 西安邮电大学 一种多孔片状氧化铝框架的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935390A (en) * 1960-12-20 1963-08-28 Gen Electric Co Ltd Improvements in or relating to the manufacture of corundum crystals
JPS5215498A (en) * 1975-07-28 1977-02-05 Showa Denko Kk Process for production of granular corrundum
DE2623482C2 (de) * 1976-05-26 1985-06-27 Alcoa Chemie GmbH, 6700 Ludwigshafen Verfahren zur Herstellung eines kristallinen Aluminiumoxids für Polier-, Läpp- und Schleifmittel
DE2850064B1 (de) * 1978-11-18 1980-05-08 Giulini Chemie Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung
JPS5819640A (ja) * 1981-07-27 1983-02-04 Matsushita Electric Ind Co Ltd 空気調和機等の温度制御装置
JPS6033763A (ja) * 1983-08-05 1985-02-21 Nippon Telegr & Teleph Corp <Ntt> 速度選択通信方式
JPS6054916A (ja) * 1983-09-06 1985-03-29 坂東　尚周 六角薄板状ｄ−Ａｌ↓２Ｏ↓３粒子及びその製造法
JPS6433055A (en) * 1987-07-27 1989-02-02 Sumitomo Cement Co Sintered body of alumina having high strength and its production
US5009676A (en) * 1989-04-28 1991-04-23 Norton Company Sintered sol gel alumina abrasive filaments
JP3207739B2 (ja) * 1996-01-19 2001-09-10 松下電器産業株式会社 画像再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718726B2 (en) 2012-11-07 2017-08-01 Asahi Glass Company, Limited Glass ceramic substrate and portable electronic device housing using the substrate

Also Published As

Publication number Publication date
CN1050366A (zh) 1991-04-03
FR2652075A1 (fr) 1991-03-22
ATE98304T1 (de) 1993-12-15
CN1047576C (zh) 1999-12-22
NO903690D0 (no) 1990-08-22
EP0425325B1 (fr) 1993-12-08
ES2060108T3 (es) 1994-11-16
EP0425325A1 (fr) 1991-05-02
KR950003419B1 (ko) 1995-04-12
IE903320A1 (en) 1991-04-10
NO903690L (no) 1991-03-22
JP2564205B2 (ja) 1996-12-18
DE69005077D1 (de) 1994-01-20
FR2652075B1 (fr) 1991-12-06
DK0425325T3 (da) 1994-02-14
KR910006145A (ko) 1991-04-27
JPH03131517A (ja) 1991-06-05
DE69005077T2 (de) 1994-05-26
CA2025037A1 (fr) 1991-03-22
AU6269790A (en) 1991-04-11
IL95719A0 (en) 1991-06-30
AU627933B2 (en) 1992-09-03

Similar Documents

Publication Publication Date Title
DD295885A5 (de) Verfahren zur herstellung von gebleichten pflanzlichen pulpen
DE441934C (de) Verfahren zur Herstellung von organischen Stoffen zur Erhoehung der Lichtempfindlichkeit von Emulsionen, beispielsweise Gelatinesilberhaloid-Emulsionen
CH634468A5 (de) Oelsamen-lipid-protein-produkt mit niedrigem kohlehydratgehalt.
DD273442A5 (de) Verfahren zur gewinnung von steviosiden aus pflanzlichem rohmaterial
DE69202791T2 (de) Verfahren zum Blanchieren von pflanzlicher Materie in trockenem Milieu.
DE2546787A1 (de) Verfahren zur herstellung von gereinigten proteinisolaten
DE69202792T2 (de) Zweistufiges Bleichverfahren für pflanzliches Material.
DE69001975T2 (de) Verfahren zur Herstellung von gebleichtem, pflanzlichem Fruchtfleisch.
DE2424612C2 (de) Verfahren zum Extrahieren von Öl aus Hefepulver
DE69502459T2 (de) Verfahren zur Verarbeitung von Knoblauch und Herstellung von Ajoen enthaltenden Speiseöl-Produkten
DE1792590B2 (de) Verfahren zur Herstellung von Schnellkochreis
DE2922561B2 (de) Verfahren zur Gewinnung von Proteinisplaten aus unerwünschte Polyphenole enthaltenden pflanzlichen Mehlen
DE69000790T2 (de) Verfahren zur herstellung von blanchiertem pflanzlichen fruchtfleisch.
DE2054460A1 (de) Instanttee Pulver
DE2500200B2 (ja)
WO2007017246A1 (de) Enzymatisches verfahren zur erzeugung von weissem pfeffer
DE3414555C2 (de) Verfahren zur enzymatischen Behandlung von vorentsafteter Maische
DE69518739T2 (de) Trockene mischung fuer farbstabile,fluessige zubereitungen
DE1792645A1 (de) Verfahren zur Verbesserung des Geschmacks von Kartoffelprodukten
DE1902381A1 (de) Verfahren zum Entfaerben von Fruechten und Gemuesen
DE2823244A1 (de) Verfahren zur reinigung von lactose
DE3715070A1 (de) Verfahren zur herstellung von pflanzenauszuegen, insbesondere von pflanzensaeften
DE1467498A1 (de) Verfahren zum Extrahieren von OEl aus pflanzlichem Gut
DE2133572C2 (de) Verfahren zur Herstellung von Pektinen mit einem Methoxylgehalt von etwa 4,5 bis 7% und einem Molekulargewicht von mindestens 120 000
CH676538A5 (ja)

Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee