WO1998021246A1 - Verfahren zur herstellung von cellulosederivaten - Google Patents
Verfahren zur herstellung von cellulosederivaten Download PDFInfo
- Publication number
- WO1998021246A1 WO1998021246A1 PCT/EP1997/006089 EP9706089W WO9821246A1 WO 1998021246 A1 WO1998021246 A1 WO 1998021246A1 EP 9706089 W EP9706089 W EP 9706089W WO 9821246 A1 WO9821246 A1 WO 9821246A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cellulose
- alkali
- ammonia
- substitution
- pressure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/06—Rendering cellulose suitable for etherification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B9/00—Cellulose xanthate; Viscose
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
Definitions
- the activated cellulose is preferably obtained by a process in which cellulose is brought into contact with liquid ammonia at an initial pressure which is higher than atmospheric pressure and at a temperature of at least about 25 ° C., the amount of liquid ammonia being used at least to wet the surface of the cellulose is sufficient and the volume available to the cellulose / liquid ammonia system is explosively increased by lowering the pressure by at least 5 bar.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10522119A JPH11504071A (ja) | 1996-11-08 | 1997-11-04 | セルロース誘導体の製造方法 |
AT97950091T ATE212999T1 (de) | 1996-11-08 | 1997-11-04 | Verfahren zur herstellung von cellulosederivaten |
BR9707116A BR9707116A (pt) | 1996-11-08 | 1997-11-04 | Processo para produzir derivados de celulose |
NZ330917A NZ330917A (en) | 1996-11-08 | 1997-11-04 | Process for producing cellulose derivatives where ammonia activated cellulose is impregnated with alkali solution and then subjected to either a substitution or addition reaction |
DE59706307T DE59706307D1 (de) | 1996-11-08 | 1997-11-04 | Verfahren zur herstellung von cellulosederivaten |
EP97950091A EP0873364B1 (de) | 1996-11-08 | 1997-11-04 | Verfahren zur herstellung von cellulosederivaten |
PL97327691A PL327691A1 (en) | 1996-11-08 | 1997-11-04 | Method of obtaining derivatives of cellulose |
AU53169/98A AU699832B2 (en) | 1996-11-08 | 1997-11-04 | Process for producing cellulose derivatives |
EA199800629A EA001008B1 (ru) | 1996-11-08 | 1997-11-04 | Способ получения производных целлюлозы |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19646213A DE19646213C2 (de) | 1996-11-08 | 1996-11-08 | Verfahren zur Herstellung von Cellulosederivaten |
DE19646213.4 | 1996-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998021246A1 true WO1998021246A1 (de) | 1998-05-22 |
Family
ID=7811107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/006089 WO1998021246A1 (de) | 1996-11-08 | 1997-11-04 | Verfahren zur herstellung von cellulosederivaten |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0873364B1 (de) |
JP (1) | JPH11504071A (de) |
KR (1) | KR19990077026A (de) |
AT (1) | ATE212999T1 (de) |
AU (1) | AU699832B2 (de) |
BR (1) | BR9707116A (de) |
CA (1) | CA2241800A1 (de) |
CZ (1) | CZ289562B6 (de) |
DE (2) | DE19646213C2 (de) |
EA (1) | EA001008B1 (de) |
HU (1) | HUP9902022A3 (de) |
ID (1) | ID20424A (de) |
MX (1) | MX9805511A (de) |
NZ (1) | NZ330917A (de) |
PL (1) | PL327691A1 (de) |
TR (1) | TR199801312T1 (de) |
WO (1) | WO1998021246A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2075259A1 (de) * | 2007-12-27 | 2009-07-01 | Shin-Etsu Chemical Co., Ltd. | Verfahren zur Herstellung von Alkalicellulose und wasserlöslichem Celluloseether |
US8864943B2 (en) | 2011-09-08 | 2014-10-21 | Shin-Etsu Chemical Co., Ltd. | Method for preparing nonionic water-soluble cellulose ether |
US9289168B2 (en) | 2008-12-29 | 2016-03-22 | Medtronic Minimed, Inc. | System and/or method for glucose sensor calibration |
WO2018184146A1 (zh) * | 2017-04-05 | 2018-10-11 | 深圳市佩成科技有限责任公司 | 氰乙基纤维素的制备方法 |
US10471207B2 (en) | 2008-12-29 | 2019-11-12 | Medtronic Minimed, Inc. | System and/or method for glucose sensor calibration |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2285500A (en) * | 1998-12-23 | 2000-07-31 | Rhodia Acetow Gmbh | Method for producing cellulose formates |
KR101295370B1 (ko) * | 2012-01-10 | 2013-08-12 | 한국화학연구원 | 페닐메틸셀룰로오스의 신규한 제조방법 |
EA020941B1 (ru) * | 2012-07-10 | 2015-02-27 | Сумгаитский Государственный Университет | Способ получения активированной целлюлозы |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108991A1 (de) * | 1982-11-11 | 1984-05-23 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Celluloseethern aus mit Ammoniak aktivierter Cellulose |
DE4329937C1 (de) * | 1993-09-04 | 1994-11-24 | Rhodia Ag Rhone Poulenc | Verfahren zur Behandlung von Cellulose zu deren Aktivierung für nachfolgende chemische Reaktionen |
-
1996
- 1996-11-08 DE DE19646213A patent/DE19646213C2/de not_active Expired - Fee Related
-
1997
- 1997-11-04 EP EP97950091A patent/EP0873364B1/de not_active Expired - Lifetime
- 1997-11-04 ID IDW980039A patent/ID20424A/id unknown
- 1997-11-04 TR TR1998/01312T patent/TR199801312T1/xx unknown
- 1997-11-04 DE DE59706307T patent/DE59706307D1/de not_active Expired - Fee Related
- 1997-11-04 AT AT97950091T patent/ATE212999T1/de not_active IP Right Cessation
- 1997-11-04 EA EA199800629A patent/EA001008B1/ru not_active IP Right Cessation
- 1997-11-04 BR BR9707116A patent/BR9707116A/pt not_active Application Discontinuation
- 1997-11-04 KR KR1019980705158A patent/KR19990077026A/ko not_active Application Discontinuation
- 1997-11-04 JP JP10522119A patent/JPH11504071A/ja active Pending
- 1997-11-04 PL PL97327691A patent/PL327691A1/xx unknown
- 1997-11-04 AU AU53169/98A patent/AU699832B2/en not_active Ceased
- 1997-11-04 WO PCT/EP1997/006089 patent/WO1998021246A1/de active IP Right Grant
- 1997-11-04 HU HU9902022A patent/HUP9902022A3/hu unknown
- 1997-11-04 NZ NZ330917A patent/NZ330917A/en unknown
- 1997-11-04 CZ CZ19982139A patent/CZ289562B6/cs not_active IP Right Cessation
- 1997-11-04 CA CA002241800A patent/CA2241800A1/en not_active Abandoned
-
1998
- 1998-07-07 MX MX9805511A patent/MX9805511A/es not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108991A1 (de) * | 1982-11-11 | 1984-05-23 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Celluloseethern aus mit Ammoniak aktivierter Cellulose |
DE4329937C1 (de) * | 1993-09-04 | 1994-11-24 | Rhodia Ag Rhone Poulenc | Verfahren zur Behandlung von Cellulose zu deren Aktivierung für nachfolgende chemische Reaktionen |
Non-Patent Citations (1)
Title |
---|
SCHLEICHER D. ET AL.: "Zum Einfluss einer Aktivierung von Cellulose mit Ammoniak auf deren anschliessende Alkalisierung und Xanthogenierung", FASERFORSCHUNG UND TEXTILTECHNIK, vol. 24, no. 9, 1973, DE, pages 371 - 376, XP002058612 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2075259A1 (de) * | 2007-12-27 | 2009-07-01 | Shin-Etsu Chemical Co., Ltd. | Verfahren zur Herstellung von Alkalicellulose und wasserlöslichem Celluloseether |
KR20090071478A (ko) * | 2007-12-27 | 2009-07-01 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 알칼리 셀룰로오스 및 수용성 셀룰로오스에테르의 제조 방법 |
US8496782B2 (en) | 2007-12-27 | 2013-07-30 | Shin-Etsu Chemical Co., Ltd. | Methods for preparing alkali cellulose and water-soluble cellulose ether |
KR101650192B1 (ko) | 2007-12-27 | 2016-08-22 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 알칼리 셀룰로오스 및 수용성 셀룰로오스에테르의 제조 방법 |
US9289168B2 (en) | 2008-12-29 | 2016-03-22 | Medtronic Minimed, Inc. | System and/or method for glucose sensor calibration |
US10471207B2 (en) | 2008-12-29 | 2019-11-12 | Medtronic Minimed, Inc. | System and/or method for glucose sensor calibration |
US11571514B2 (en) | 2008-12-29 | 2023-02-07 | Medtronic Minimed, Inc. | System and/or method for glucose sensor calibration |
US8864943B2 (en) | 2011-09-08 | 2014-10-21 | Shin-Etsu Chemical Co., Ltd. | Method for preparing nonionic water-soluble cellulose ether |
WO2018184146A1 (zh) * | 2017-04-05 | 2018-10-11 | 深圳市佩成科技有限责任公司 | 氰乙基纤维素的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19646213C2 (de) | 1999-02-18 |
NZ330917A (en) | 1999-10-28 |
ATE212999T1 (de) | 2002-02-15 |
AU699832B2 (en) | 1998-12-17 |
CZ289562B6 (cs) | 2002-02-13 |
DE19646213A1 (de) | 1998-05-14 |
EA001008B1 (ru) | 2000-08-28 |
EP0873364B1 (de) | 2002-02-06 |
EP0873364A1 (de) | 1998-10-28 |
DE59706307D1 (de) | 2002-03-21 |
AU5316998A (en) | 1998-06-03 |
CA2241800A1 (en) | 1998-05-22 |
TR199801312T1 (xx) | 1999-01-18 |
CZ213998A3 (cs) | 1998-10-14 |
EA199800629A1 (ru) | 1998-12-24 |
HUP9902022A3 (en) | 1999-11-29 |
MX9805511A (es) | 1998-11-30 |
KR19990077026A (ko) | 1999-10-25 |
PL327691A1 (en) | 1998-12-21 |
BR9707116A (pt) | 1999-07-20 |
ID20424A (id) | 1998-12-10 |
JPH11504071A (ja) | 1999-04-06 |
HUP9902022A2 (hu) | 1999-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0817803B1 (de) | Verfahren zur aktivierung von polysacchariden, danach hergestellte polysaccharide und deren verwendung | |
DE3712246C2 (de) | ||
EP0178292B1 (de) | Verfahren zur Herstellung von Cellulosecarbamaten | |
EP1366231A2 (de) | Verfahren zum abtrennen von hemicellulosen aus hemicellulosehaltiger biomasse | |
DE2830177C2 (de) | Stärkeätherderivate, Verfahren zu deren Herstellung und deren Verwendung bei der Papierherstellung | |
DE4342442A1 (de) | Verfahren zur Herstellung von Level-off DP Cellulose | |
DE3027033A1 (de) | Verfahren zum aufloesen von zellulose | |
DE2433235A1 (de) | Verfahren zum entfernen von hemizellulose aus in prozesszirkulation befindlichen hemizellulosehaltigen alkalischen loesungen | |
EP0873364B1 (de) | Verfahren zur herstellung von cellulosederivaten | |
DE4439149C9 (de) | Verfahren zur Herstellung einer homogenen Celluloselösung | |
WO1998002464A1 (de) | Cellulosecarbamatherstellung | |
DE60001719T2 (de) | Verfahren zur herstellung von sulfoacetat-cellulosederivaten und produkte und mischungen | |
EP0003135B1 (de) | Verfahren zur Verbesserung des Lösungszustandes von Viskosen | |
DE2415155A1 (de) | Verfahren zur herstellung von 2,3-dihydroxypropylcellulose | |
DE1518576A1 (de) | Verfahren zur Herstellung von Alkalicarboxymethylcellulose | |
EP0970129B1 (de) | Verfahren zur herstellung von celluloseacetat | |
WO2001007485A1 (de) | Verfahren zur gezielten depolymerisation von polysacchariden | |
EP1078933B1 (de) | Verfahren zur Herstellung von alkalilöslichem Cellulosecarbamat | |
DE1493247A1 (de) | Verfahren zur Herstellung wasserloeslicher Celluloseaether | |
DE4440245C1 (de) | Verfahren zur Herstellung von Hydroxyalkylcelluloseethern mit einem Substitutionsgrad DS<2 | |
DE1493247C (de) | Verfahren zur Herstellung von wasserlöslichen Cellulosemischäthern in zwei Stufen | |
DE69014856T2 (de) | Verfahren zur Herstellung von gebleichter merzerisierter und unmerzerisierter Zellulose und zur Herstellung von Zellulosetriazetat daraus. | |
WO2000039167A1 (de) | Verfahren zur herstellung von celluloseformiaten | |
DE1908353C3 (de) | Verfahren zur Herstellung von Amylopektinsulfaten | |
WO2020119979A1 (de) | Xylan aufweisende zusammensetzung und verfahren zur herstellung einer xylan aufweisenden zusammensetzung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 97191616.0 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR GB GR IE IT LU MC |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997950091 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 53169/98 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09101218 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2241800 Country of ref document: CA Ref document number: 2241800 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: PV1998-2139 Country of ref document: CZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019980705158 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: PA/a/1998/005511 Country of ref document: MX |
|
ENP | Entry into the national phase |
Ref document number: 1998 522119 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 330917 Country of ref document: NZ Ref document number: 1998/01312 Country of ref document: TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 199800629 Country of ref document: EA |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWP | Wipo information: published in national office |
Ref document number: PV1998-2139 Country of ref document: CZ |
|
WWP | Wipo information: published in national office |
Ref document number: 1997950091 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 53169/98 Country of ref document: AU |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1019980705158 Country of ref document: KR |
|
WWR | Wipo information: refused in national office |
Ref document number: 1019980705158 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1997950091 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: PV1998-2139 Country of ref document: CZ |