DD140257A5 - Verfahren zur herstellung einer vorform einer zelluloseloesung - Google Patents

Verfahren zur herstellung einer vorform einer zelluloseloesung Download PDF

Info

Publication number: DD140257A5
Authority: DD; German Democratic Republic
Prior art keywords: cellulose; amine oxide; water; item; product
Prior art date: 1977-07-26

Application number

DD78206918A

Other languages

German (de)

English (en)

Inventor

Clarence C Mccorsley

Julianna K Varga

Original Assignee

Akzona Inc

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.)

1977-07-26

Filing date

1978-07-25

Publication date

1980-02-20

1978-07-25 Application filed by Akzona Inc filed Critical Akzona Inc

1980-02-20 Publication of DD140257A5 publication Critical patent/DD140257A5/de

Links

229920002678 cellulose Polymers 0.000 title claims description 130
239000001913 cellulose Substances 0.000 title claims description 130
238000004519 manufacturing process Methods 0.000 title description 4
238000002965 ELISA Methods 0.000 title 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 97
150000001412 amines Chemical class 0.000 claims description 77
239000000203 mixture Substances 0.000 claims description 37
238000000034 method Methods 0.000 claims description 34
239000002904 solvent Substances 0.000 claims description 27
150000003512 tertiary amines Chemical class 0.000 claims description 24
239000007788 liquid Substances 0.000 claims description 22
239000007787 solid Substances 0.000 claims description 15
239000000725 suspension Substances 0.000 claims description 12
LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical group CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 claims description 9
238000010438 heat treatment Methods 0.000 claims description 7
238000002360 preparation method Methods 0.000 claims description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
239000000047 product Substances 0.000 description 33
229920001131 Pulp (paper) Polymers 0.000 description 20
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 15
238000004090 dissolution Methods 0.000 description 9
230000008961 swelling Effects 0.000 description 7
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
229910052753 mercury Inorganic materials 0.000 description 6
239000003960 organic solvent Substances 0.000 description 6
239000002002 slurry Substances 0.000 description 6
229920003043 Cellulose fiber Polymers 0.000 description 5
239000000835 fiber Substances 0.000 description 5
239000012265 solid product Substances 0.000 description 5
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 4
-1 N-methylamine N-oxide Chemical compound 0.000 description 4
238000009987 spinning Methods 0.000 description 4
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
239000002178 crystalline material Substances 0.000 description 3
125000004122 cyclic group Chemical group 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
238000001125 extrusion Methods 0.000 description 3
239000007791 liquid phase Substances 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
229920000875 Dissolving pulp Polymers 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
235000013361 beverage Nutrition 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000001816 cooling Methods 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
239000006193 liquid solution Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
238000003756 stirring Methods 0.000 description 2
WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 1
208000034656 Contusions Diseases 0.000 description 1
229920000742 Cotton Polymers 0.000 description 1
SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 description 1
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
150000001204 N-oxides Chemical class 0.000 description 1
RKHIEHANCHNTJG-UHFFFAOYSA-N O.C[N+](CCO)(C)[O-] Chemical compound O.C[N+](CCO)(C)[O-] RKHIEHANCHNTJG-UHFFFAOYSA-N 0.000 description 1
229920000297 Rayon Polymers 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
239000002253 acid Substances 0.000 description 1
238000009835 boiling Methods 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000001112 coagulating effect Effects 0.000 description 1
229960002887 deanol Drugs 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
239000012972 dimethylethanolamine Substances 0.000 description 1
238000004821 distillation Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000000575 pesticide Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
239000002243 precursor Substances 0.000 description 1
229920005604 random copolymer Polymers 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000002791 soaking Methods 0.000 description 1
239000011343 solid material Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000004575 stone Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
125000005270 trialkylamine group Chemical group 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
- C08J3/096—Nitrogen containing compounds
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Artificial Filaments (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)
Compositions Of Macromolecular Compounds (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Paper (AREA)

DD78206918A 1977-07-26 1978-07-25 Verfahren zur herstellung einer vorform einer zelluloseloesung DD140257A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/819,080 US4211574A (en)	1977-07-26	1977-07-26	Process for making a solid impregnated precursor of a solution of cellulose

Publications (1)

Publication Number	Publication Date
DD140257A5 true DD140257A5 (de)	1980-02-20

Family

ID=25227151

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD78206918A DD140257A5 (de)	1977-07-26	1978-07-25	Verfahren zur herstellung einer vorform einer zelluloseloesung

Country Status (14)

Country	Link
US (1)	US4211574A (fr)
JP (1)	JPS5424961A (fr)
AR (1)	AR221488A1 (fr)
BE (1)	BE868735A (fr)
BR (1)	BR7804792A (fr)
CA (1)	CA1105204A (fr)
DD (1)	DD140257A5 (fr)
DE (1)	DE2830684C3 (fr)
ES (1)	ES472035A1 (fr)
FR (1)	FR2398758A1 (fr)
GB (1)	GB2001322B (fr)
IT (1)	IT1099562B (fr)
NL (1)	NL7807422A (fr)
SE (1)	SE7808037L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102008023064A1 (de) *	2008-05-09	2009-11-12	List Holding Ag	Verfahren und Vorrichtung zur Herstellung von Formförpern

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US4416698A (en) *	1977-07-26	1983-11-22	Akzona Incorporated	Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article
US4246221A (en) *	1979-03-02	1981-01-20	Akzona Incorporated	Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent
DE3034685C2 (de) *	1980-09-13	1984-07-05	Akzo Gmbh, 5600 Wuppertal	Cellulose-Form- und Spinnmasse mit geringen Anteilen an niedermolekularen Abbauprodukten
US5330567A (en) *	1988-08-16	1994-07-19	Lenzing Aktiengesellschaft	Process and arrangement for preparing a solution of cellulose
KR100297308B1 (ko) *	1993-02-16	2001-10-24	나가이 야타로	성형용셀룰로오즈용액및이를사용하는성형방법
US5413631A (en) *	1993-05-24	1995-05-09	Courtaulds (Holding) Limited	Formation of a cellulose-based premix
KR970011096B1 (ko) *	1993-09-09	1997-07-07	한국과학기술연구원	셀룰로오스와 3급 아민옥사이드의 펠렛상 혼합 분말과 셀룰로오스 방사 용액 및 그의 제조 방법
US5603884A (en) *	1994-11-18	1997-02-18	Viskase Corporation	Reinforced cellulosic film
DE19544097C1 (de) *	1995-11-27	1997-07-10	Thueringisches Inst Textil	Verfahren zur Herstellung von Formkörpern aus Polysaccharidmischungen, daraus hergestellte Formkörper sowie deren Verwendung
CN1109137C (zh)	1996-03-06	2003-05-21	三菱丽阳株式会社	原纤化纤维及其制造方法,所使用的喷丝板,和由其获得的成型产品
EP0906455B1 (fr) *	1996-06-10	2003-02-26	Korea Institute of Science and Technology	Procede de preparation d'une solution homogene de cellulose a partir de n-methylmorpholine-n-oxyde
US6235392B1 (en)	1996-08-23	2001-05-22	Weyerhaeuser Company	Lyocell fibers and process for their preparation
US6331354B1 (en)	1996-08-23	2001-12-18	Weyerhaeuser Company	Alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en)	1996-08-23	2001-10-23	The Weyerhaeuser Company	Process for melt blowing continuous lyocell fibers
US6210801B1 (en)	1996-08-23	2001-04-03	Weyerhaeuser Company	Lyocell fibers, and compositions for making same
US6471727B2 (en)	1996-08-23	2002-10-29	Weyerhaeuser Company	Lyocell fibers, and compositions for making the same
SE509894C2 (sv)	1996-08-27	1999-03-15	Akzo Nobel Surface Chem	Användning av en linjär syntetisk polymer för att förbättra egenskaperna hos en formkropp av cellulosa framställd genom en tertiär aminoxidprocess
KR100230164B1 (ko) *	1997-05-31	1999-12-01	신동권	균질 셀룰로오스 용액 제조용 코팅된 셀룰로오스 미세 입자 및 그의 제조 방법
AT404846B (de) *	1997-06-16	1999-03-25	Chemiefaser Lenzing Ag	Zusammensetzung enthaltend feine feststoffteilchen
US6143884A (en) *	1998-05-09	2000-11-07	Acelon Chemicals & Fiber Corporation	Manufacturing process of cellulose viscose with low viscosity
GB2337990A (en) *	1998-06-03	1999-12-08	Courtaulds Fibres	Process for shaping cellulose
US6773648B2 (en)	1998-11-03	2004-08-10	Weyerhaeuser Company	Meltblown process with mechanical attenuation
US20030032705A1 (en) *	2001-08-07	2003-02-13	Otter James William	Ethylene terpolymer adhesive for condensing furnace heat exchanger laminate material
KR100451083B1 (ko) *	2001-11-09	2004-10-02	주식회사 효성	니더를 이용한 고균질한 셀룰로오스 용액의 제조방법
DE10200406A1 (de) *	2002-01-08	2003-07-24	Zimmer Ag	Spinnvorrichtung und -verfahren mit turbulenter Kühlbeblasung
DE10200405A1 (de) *	2002-01-08	2002-08-01	Zimmer Ag	Spinnvorrichtung und -verfahren mit Kühlbeblasung
DE10204381A1 (de) *	2002-01-28	2003-08-07	Zimmer Ag	Ergonomische Spinnanlage
DE10206089A1 (de) *	2002-02-13	2002-08-14	Zimmer Ag	Bersteinsatz
DE10213007A1 (de) *	2002-03-22	2003-10-09	Zimmer Ag	Verfahren und Vorrichtung zur Regelung des Raumklimas bei einem Spinnprozess
DE10223268B4 (de) *	2002-05-24	2006-06-01	Zimmer Ag	Benetzungseinrichtung und Spinnanlage mit Benetzungseinrichtung
DE10314878A1 (de) *	2003-04-01	2004-10-28	Zimmer Ag	Verfahren und Vorrichtung zur Herstellung nachverstreckter Cellulose-Spinnfäden
US7097737B2 (en) *	2003-04-16	2006-08-29	Weyerhaeuser Company	Method of making a modified unbleached pulp for lyocell products
US6790527B1 (en)	2003-04-16	2004-09-14	Weyerhaeuser Company	Lyocell fiber from unbleached pulp
US6833187B2 (en)	2003-04-16	2004-12-21	Weyerhaeuser Company	Unbleached pulp for lyocell products
JP4234057B2 (ja) *	2003-06-30	2009-03-04	ヒョスングコーポレーション	高均質セルロース溶液から製造したセルロースディップコード及びタイヤ
US7202928B2 (en) *	2003-10-16	2007-04-10	Lg. Philips Lcd Co., Ltd	Array substrate for in-plane switching mode liquid crystal display device and method of fabricating the same
US7459015B2 (en) *	2004-04-16	2008-12-02	Birla Research Institute For Applied Sciences	Process for the preparation of a cellulose solution for spinning of fibres, filaments or films therefrom
DE102004024028B4 (de) *	2004-05-13	2010-04-08	Lenzing Ag	Lyocell-Verfahren und -Vorrichtung mit Presswasserrückführung
DE102004024030A1 (de) *	2004-05-13	2005-12-08	Zimmer Ag	Lyocell-Verfahren mit polymerisationsgradabhängiger Einstellung der Verarbeitungsdauer
DE102004024029A1 (de) *	2004-05-13	2005-12-08	Zimmer Ag	Lyocell-Verfahren und -Vorrichtung mit Steuerung des Metallionen-Gehalts
US7815876B2 (en)	2006-11-03	2010-10-19	Olson David A	Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815741B2 (en)	2006-11-03	2010-10-19	Olson David A	Reactor pump for catalyzed hydrolytic splitting of cellulose
KR100949556B1 (ko)	2006-12-26	2010-03-25	주식회사 코오롱	셀룰로오스-폴리비닐알코올 가교 복합섬유의 제조방법 및이로부터 제조되는 가교 복합섬유
US8029260B2 (en) *	2008-04-11	2011-10-04	Reifenhauser Gmbh & Co. Kg Maschinenfabrik	Apparatus for extruding cellulose fibers
US8303888B2 (en) *	2008-04-11	2012-11-06	Reifenhauser Gmbh & Co. Kg	Process of forming a non-woven cellulose web and a web produced by said process
US8029259B2 (en) *	2008-04-11	2011-10-04	Reifenhauser Gmbh & Co. Kg Maschinenfabrik	Array of nozzles for extruding multiple cellulose fibers
CN103619886B (zh)	2011-06-29	2016-09-14	柯惠Lp公司	氧化纤维素的溶解
US9271937B2 (en)	2012-05-31	2016-03-01	Covidien Lp	Oxidized cellulose microspheres
US9499636B2 (en)	2012-06-28	2016-11-22	Covidien Lp	Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
GB2511528A (en)	2013-03-06	2014-09-10	Speciality Fibres And Materials Ltd	Absorbent materials
US10413566B2 (en)	2013-03-15	2019-09-17	Covidien Lp	Thixotropic oxidized cellulose solutions and medical applications thereof

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US2179181A (en) *	1936-04-21	1939-11-07	Soc Of Chemical Ind	Cellulose solutions and process of making same
CH437217A (de) *	1965-12-20	1967-06-15	Buss Ag	Einrichtung zum kontinuierlichen Herstellen von Lösungen und Suspensionen
US3447956A (en) *	1966-09-02	1969-06-03	Eastman Kodak Co	Process for strengthening swellable fibrous material with an amine oxide and the resulting material
US3447939A (en) *	1966-09-02	1969-06-03	Eastman Kodak Co	Compounds dissolved in cyclic amine oxides
US3503700A (en) *	1967-08-03	1970-03-31	Eastman Kodak Co	Wet and dry strength and liquid repellancy of fibrous material

1977
- 1977-07-26 US US05/819,080 patent/US4211574A/en not_active Expired - Lifetime
1978
- 1978-06-30 IT IT25208/78A patent/IT1099562B/it active
- 1978-07-04 BE BE189075A patent/BE868735A/fr unknown
- 1978-07-10 NL NL7807422A patent/NL7807422A/xx not_active Application Discontinuation
- 1978-07-11 AR AR272906A patent/AR221488A1/es active
- 1978-07-12 DE DE2830684A patent/DE2830684C3/de not_active Expired
- 1978-07-14 GB GB787829895A patent/GB2001322B/en not_active Expired
- 1978-07-21 SE SE7808037A patent/SE7808037L/xx unknown
- 1978-07-25 CA CA308,115A patent/CA1105204A/fr not_active Expired
- 1978-07-25 FR FR7821983A patent/FR2398758A1/fr not_active Withdrawn
- 1978-07-25 DD DD78206918A patent/DD140257A5/de unknown
- 1978-07-25 BR BR7804792A patent/BR7804792A/pt unknown
- 1978-07-26 JP JP9203778A patent/JPS5424961A/ja active Granted
- 1978-07-26 ES ES472035A patent/ES472035A1/es not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102008023064A1 (de) *	2008-05-09	2009-11-12	List Holding Ag	Verfahren und Vorrichtung zur Herstellung von Formförpern

Also Published As

Publication number	Publication date
IT7825208A0 (it)	1978-06-30
DE2830684B2 (fr)	1980-12-11
BR7804792A (pt)	1979-04-10
DE2830684A1 (de)	1979-02-15
GB2001322B (en)	1983-08-17
BE868735A (fr)	1978-11-03
FR2398758A1 (fr)	1979-02-23
AR221488A1 (es)	1981-02-13
GB2001322A (en)	1979-01-31
SE7808037L (sv)	1979-01-27
CA1105204A (fr)	1981-07-21
DE2830684C3 (de)	1982-02-25
NL7807422A (nl)	1979-01-30
JPS5541691B2 (fr)	1980-10-25
JPS5424961A (en)	1979-02-24
IT1099562B (it)	1985-09-18
US4211574A (en)	1980-07-08
ES472035A1 (es)	1979-02-01

Publication	Publication Date	Title
DD140257A5 (de)	1980-02-20	Verfahren zur herstellung einer vorform einer zelluloseloesung
DE2830683C3 (de)	1982-04-01	Verfahren zur Herstellung eines festen Ausgangsmaterials für die Bereitung einer Celluloselösung und Verwendung dieses Ausgangsmaterials
DE1930957C3 (de)	1974-05-30	Wasserlösliches Silbersalz enthaltendes Gel zur Behandlung von Verbrennungen
EP0759038B1 (fr)	1997-09-24	Procede de production d'une suspension de cellulose
EP0711322B1 (fr)	1997-07-30	Mousse en polymere d'amidon
DD140356A5 (de)	1980-02-27	Verfahren zur herstellung einer aminoxidzelluloseloesung
DE69725300T2 (de)	2004-08-05	Verfahren zur herstellung von geschäumten zellstoffprodukten
CH439756A (de)	1967-07-15	Verfahren zur Herstellung von hydrophilen Polymeräthern in Form von Gelkörnern
EP0853642B1 (fr)	2002-11-13	Procede de production d'une suspension de cellulose
DE1543116A1 (de)	1969-07-31	Verfahren zur Herstellung niedrigviskoser wasserloeslicher Celluloseaether
DE2653605A1 (de)	1977-07-21	Celluloseloesungen und hieraus hergestellte gegenstaende
US5362867A (en)	1994-11-08	Method of making cellulose yarn solution
DE2321829C3 (de)	1983-12-08	Verfahren zur Herstellung von Viskose
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WO2003010232A1 (fr)	2003-02-06	Eponge de cellulose et son procede de fabrication
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AT227867B (de)	1963-06-10	Verfahren zur Herstellung von Fasern und Fäden aus linearen Polyestern
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DD140257A5 - Verfahren zur herstellung einer vorform einer zelluloseloesung - Google Patents

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