FI69876C - Foerfarande foer framstaellning av produkter pao basen av cellulosa - Google Patents
Foerfarande foer framstaellning av produkter pao basen av cellulosa Download PDFInfo
- Publication number
- FI69876C FI69876C FI783597A FI783597A FI69876C FI 69876 C FI69876 C FI 69876C FI 783597 A FI783597 A FI 783597A FI 783597 A FI783597 A FI 783597A FI 69876 C FI69876 C FI 69876C
- Authority
- FI
- Finland
- Prior art keywords
- oxide
- cellulose
- water
- weight
- tertiary amine
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims description 188
- 239000001913 cellulose Substances 0.000 title claims description 188
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000005057 refrigeration Methods 0.000 title 1
- 229910001868 water Inorganic materials 0.000 claims description 152
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 151
- 150000003512 tertiary amines Chemical class 0.000 claims description 66
- 239000002904 solvent Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 41
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 38
- 229910052739 hydrogen Inorganic materials 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 23
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical group CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 claims description 15
- DSPZBSQDLWRRBL-UHFFFAOYSA-N 2-hydroxy-n,n-dimethylethanamine oxide Chemical compound C[N+](C)([O-])CCO DSPZBSQDLWRRBL-UHFFFAOYSA-N 0.000 claims description 12
- MMAXOAIHEPNELR-UHFFFAOYSA-N n,n-dimethylcyclohexanamine oxide Chemical compound C[N+](C)([O-])C1CCCCC1 MMAXOAIHEPNELR-UHFFFAOYSA-N 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 150000001204 N-oxides Chemical group 0.000 claims description 9
- LFMTUFVYMCDPGY-UHFFFAOYSA-N n,n-diethylethanamine oxide Chemical compound CC[N+]([O-])(CC)CC LFMTUFVYMCDPGY-UHFFFAOYSA-N 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 229920000875 Dissolving pulp Polymers 0.000 claims description 4
- DMGGKVSXTOZSTQ-UHFFFAOYSA-N 2-(2-hydroxypropoxy)-n,n-dimethylethanamine oxide Chemical compound CC(O)COCC[N+](C)(C)[O-] DMGGKVSXTOZSTQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- JJIMINHSAIZIJK-UHFFFAOYSA-N 1-methyl-1-oxidoazepan-1-ium Chemical compound C[N+]1([O-])CCCCCC1 JJIMINHSAIZIJK-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- UJZXIGKNPLTUOZ-UHFFFAOYSA-N n,n-dimethyl-1-phenylmethanamine oxide Chemical compound C[N+](C)([O-])CC1=CC=CC=C1 UJZXIGKNPLTUOZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 3
- VTGXVUQXDHXADV-UHFFFAOYSA-N 1-methyl-1-oxidopiperidin-1-ium Chemical compound C[N+]1([O-])CCCCC1 VTGXVUQXDHXADV-UHFFFAOYSA-N 0.000 claims 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 238000004458 analytical method Methods 0.000 description 31
- 239000000835 fiber Substances 0.000 description 27
- -1 N-methylamine N-oxide Chemical compound 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000013078 crystal Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 238000004448 titration Methods 0.000 description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 11
- 241000157282 Aesculus Species 0.000 description 9
- 235000010181 horse chestnut Nutrition 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 7
- 238000000611 regression analysis Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 3
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 2
- JPYRFGZKKYXSDA-UHFFFAOYSA-N 2,4,6-trimethyl-4-oxidomorpholin-4-ium Chemical compound CC1C[N+](C)([O-])CC(C)O1 JPYRFGZKKYXSDA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- 229920001174 Diethylhydroxylamine Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241001115903 Raphus cucullatus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FVCOIAYSJZGECG-UHFFFAOYSA-N diethylhydroxylamine Chemical compound CCN(O)CC FVCOIAYSJZGECG-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- 210000001724 microfibril Anatomy 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- MECBYDXMJQGFGQ-UHFFFAOYSA-N n,n-dimethylethanamine oxide Chemical compound CC[N+](C)(C)[O-] MECBYDXMJQGFGQ-UHFFFAOYSA-N 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- JONZUVQOOJCVFT-UHFFFAOYSA-N n,n-dipropylcyclohexanamine Chemical compound CCCN(CCC)C1CCCCC1 JONZUVQOOJCVFT-UHFFFAOYSA-N 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- XWCCTMBMQUCLSI-UHFFFAOYSA-N n-ethyl-n-propylpropan-1-amine Chemical compound CCCN(CC)CCC XWCCTMBMQUCLSI-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- ILVXOBCQQYKLDS-UHFFFAOYSA-N pyridine N-oxide Chemical class [O-][N+]1=CC=CC=C1 ILVXOBCQQYKLDS-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical group 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B16/00—Regeneration of cellulose
-
- 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
- C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
-
- 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
- C08L1/02—Cellulose; Modified cellulose
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85495777 | 1977-11-25 | ||
| US05/854,957 US4145532A (en) | 1977-11-25 | 1977-11-25 | Process for making precipitated cellulose |
| US05/938,907 US4196282A (en) | 1977-11-25 | 1978-09-01 | Process for making a shapeable cellulose and shaped cellulose products |
| US93890778 | 1978-09-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI783597A7 FI783597A7 (fi) | 1979-05-26 |
| FI69876B FI69876B (fi) | 1985-12-31 |
| FI69876C true FI69876C (fi) | 1986-05-26 |
Family
ID=27127269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI783597A FI69876C (fi) | 1977-11-25 | 1978-11-24 | Foerfarande foer framstaellning av produkter pao basen av cellulosa |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4196282A (es) |
| JP (1) | JPS5499148A (es) |
| AT (1) | AT376986B (es) |
| AU (1) | AU4181078A (es) |
| CA (1) | CA1111206A (es) |
| DE (1) | DE2848471C2 (es) |
| DK (1) | DK525678A (es) |
| ES (1) | ES476575A1 (es) |
| FI (1) | FI69876C (es) |
| FR (1) | FR2423559B1 (es) |
| GB (1) | GB2010279B (es) |
| IN (1) | IN150398B (es) |
| IT (1) | IT1101441B (es) |
| LU (1) | LU80571A1 (es) |
| NL (1) | NL7811571A (es) |
| NO (1) | NO783963L (es) |
| RO (1) | RO77343A (es) |
| SE (1) | SE443793B (es) |
| TR (1) | TR20125A (es) |
Families Citing this family (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| US4290815A (en) * | 1980-01-28 | 1981-09-22 | Akzona Incorporated | Use of co-solvents in amine N-oxide solutions |
| DE3021943A1 (de) * | 1980-06-12 | 1982-01-21 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran aus cellulose |
| FR2578865B1 (fr) * | 1985-03-14 | 1987-04-10 | Centre Nat Rech Scient | Procede pour la preparation de solutions d'un materiau ligno-cellulosique et solutions obtenues. |
| US5330567A (en) * | 1988-08-16 | 1994-07-19 | Lenzing Aktiengesellschaft | Process and arrangement for preparing a solution of cellulose |
| US5094690A (en) * | 1988-08-16 | 1992-03-10 | Lenzing Aktiengesellschaft | Process and arrangement for preparing a solution of cellulose |
| AT392776B (de) * | 1989-10-16 | 1991-06-10 | Chemiefaser Lenzing Ag | Verfahren zur reinigung waesseriger loesungen von n-methylmorpholin-n-oxid |
| ATA92690A (de) * | 1990-04-20 | 1992-06-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung einer loesung von cellulose in n-methylmorpholin-n-oxid und wasser |
| AT395246B (de) * | 1990-07-16 | 1992-10-27 | Chemiefaser Lenzing Ag | Loesung von cellulose in wasser und n-methyl-morpholin-n-oxid |
| USH1592H (en) * | 1992-01-17 | 1996-09-03 | Viskase Corporation | Cellulosic food casing |
| US5277857A (en) * | 1992-01-17 | 1994-01-11 | Viskase Corporation | Method of making a cellulose food casing |
| AT396930B (de) * | 1992-01-23 | 1993-12-27 | Chemiefaser Lenzing Ag | Aminoxide |
| KR970011096B1 (ko) * | 1993-09-09 | 1997-07-07 | 한국과학기술연구원 | 셀룰로오스와 3급 아민옥사이드의 펠렛상 혼합 분말과 셀룰로오스 방사 용액 및 그의 제조 방법 |
| ATE168143T1 (de) * | 1994-05-17 | 1998-07-15 | Dystar Textilfarben Gmbh & Co | Aminierung von cellulosischen synthesefasern |
| JPH0813336A (ja) * | 1994-06-28 | 1996-01-16 | Nobutaka Ono | 精製セルロース繊維のフィブリル化防止法 |
| AT403531B (de) * | 1994-08-10 | 1998-03-25 | Chemiefaser Lenzing Ag | Vorrichtung zum regeln des druckes in einer strömenden, viskosen masse |
| US5603884A (en) * | 1994-11-18 | 1997-02-18 | Viskase Corporation | Reinforced cellulosic film |
| GB9500388D0 (en) * | 1995-01-10 | 1995-03-01 | Courtaulds Fibres Ltd | Forming solutions |
| AT402932B (de) * | 1995-12-22 | 1997-09-25 | Chemiefaser Lenzing Ag | Celluloseschwamm und verfahren zu dessen herstellung |
| PT888468E (pt) * | 1996-02-02 | 2002-05-31 | Akzo Nobel Nv | Processo de preparacao de uma celulose isotropica para fiar |
| US6210801B1 (en) | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
| 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 |
| US6235392B1 (en) | 1996-08-23 | 2001-05-22 | Weyerhaeuser Company | Lyocell fibers and process for their preparation |
| US6306334B1 (en) | 1996-08-23 | 2001-10-23 | The Weyerhaeuser Company | Process for melt blowing continuous lyocell fibers |
| US6471727B2 (en) | 1996-08-23 | 2002-10-29 | Weyerhaeuser Company | Lyocell fibers, and compositions for making the same |
| US6042890A (en) * | 1997-02-25 | 2000-03-28 | Lenzing Aktiengesellschaft | Process for producing a strengthened fiber assembly |
| DE19730090A1 (de) | 1997-07-14 | 1999-01-21 | Wolff Walsrode Ag | Neuartige Celluloseether und Verfahren zu deren Herstellung |
| DE19737113A1 (de) * | 1997-08-27 | 1999-03-04 | Kalle Nalo Gmbh | Verfahren und Vorrichtung zur Herstellung eines nahtlosen Folienschlauches auf Cellulosebasis durch Extrudieren |
| DE19800744C2 (de) * | 1997-11-18 | 2003-06-12 | Kreyenborg Verwaltungen | Vorrichtung zum Filtrieren einer verunreinigten viskosen Spinnmasse |
| ATE330769T1 (de) * | 1998-10-21 | 2006-07-15 | Fraunhofer Ges Forschung | Celluloseextrusionsverfahren und -vorrichtung |
| US6773648B2 (en) | 1998-11-03 | 2004-08-10 | Weyerhaeuser Company | Meltblown process with mechanical attenuation |
| US6547999B1 (en) | 1999-10-18 | 2003-04-15 | Viskase Corporation | Cellulose food casing, cellulose composition and production method therefor |
| DE10016307C2 (de) * | 2000-03-31 | 2002-05-08 | Thueringisches Inst Textil | Verfahren zur Herstellung und Verarbeitung einer Celluloselösung |
| DE10035799A1 (de) * | 2000-07-22 | 2002-01-31 | Kalle Nalo Gmbh & Co Kg | Nach dem Aminoxidverfahren hergestellte Nahrungsmittelhüllen auf Cellulosebasis |
| AT410319B (de) * | 2001-07-25 | 2003-03-25 | Chemiefaser Lenzing Ag | Celluloseschwamm und verfahren zu dessen herstellung |
| US20030032705A1 (en) * | 2001-08-07 | 2003-02-13 | Otter James William | Ethylene terpolymer adhesive for condensing furnace heat exchanger laminate material |
| KR100611890B1 (ko) * | 2002-05-31 | 2006-08-11 | 주식회사 효성 | 고균질 셀룰로오스 용액의 제조방법 |
| US7097737B2 (en) * | 2003-04-16 | 2006-08-29 | Weyerhaeuser Company | Method of making a modified unbleached pulp for lyocell products |
| US6833187B2 (en) | 2003-04-16 | 2004-12-21 | Weyerhaeuser Company | Unbleached pulp for lyocell products |
| US6790527B1 (en) | 2003-04-16 | 2004-09-14 | Weyerhaeuser Company | Lyocell fiber from unbleached pulp |
| JP4004501B2 (ja) * | 2003-06-30 | 2007-11-07 | ヒョスング コーポレーション | Ｎ−メチルモルフォリン−ｎ−オキシドに溶解させたセルロースを含む溶液及びそれを用いた高強力リヨセル繊維 |
| 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 |
| KR100575378B1 (ko) * | 2004-11-10 | 2006-05-02 | 주식회사 효성 | 셀룰로오스 섬유의 제조방법 |
| US8187422B2 (en) | 2006-03-21 | 2012-05-29 | Georgia-Pacific Consumer Products Lp | Disposable cellulosic wiper |
| US7718036B2 (en) * | 2006-03-21 | 2010-05-18 | Georgia Pacific Consumer Products Lp | Absorbent sheet having regenerated cellulose microfiber network |
| US8540846B2 (en) | 2009-01-28 | 2013-09-24 | Georgia-Pacific Consumer Products Lp | Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt |
| US7815741B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| EP2098539B1 (en) * | 2008-03-03 | 2017-05-10 | SE Tylose GmbH & Co.KG | Homogeneous synthesis of cellulose ethers in ionic liquids |
| CA2735867C (en) * | 2008-09-16 | 2017-12-05 | Dixie Consumer Products Llc | Food wrap basesheet with regenerated cellulose microfiber |
| AT508688B8 (de) | 2009-08-28 | 2011-10-15 | Chemiefaser Lenzing Ag | Carboxyethylcellulosefasern, ihre verwendung in wundverbänden und hygieneartikeln sowie verfahren zu ihrer herstellung |
| AU2012275265B2 (en) | 2011-06-29 | 2017-05-04 | Covidien Lp | Dissolution of oxidized cellulose |
| DE102012103296A1 (de) | 2012-04-17 | 2013-10-17 | List Holding Ag | Verfahren zur Herstellung von Formkörpern |
| 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 |
| EP3412826A1 (en) | 2017-06-09 | 2018-12-12 | Acticell GmbH | Treatment of dyed material |
| SE543048C2 (en) | 2018-12-19 | 2020-09-29 | Re Newcell Ab | A method for separating cellulosic fibers from non-cellulosic fibers |
| DE102021100480A1 (de) | 2021-01-13 | 2022-07-14 | List Technology Ag | Mischkneter zur Verarbeitung eines Transfergemisches zu einer Formlösung nach dem Direktlöseverfahren |
| DE102021100484A1 (de) | 2021-01-13 | 2022-07-14 | List Technology Ag | Verfahren zur Herstellung eines Transfergemisches nach dem Direktlöseverfahren und einem Dünnschichtverdampfer |
| DE102022102177A1 (de) | 2022-01-31 | 2023-08-03 | List Technology Ag | Anlage und Verfahren zur Verarbeitung eines Ausgangsmaterials zu einer Formlösung nach dem Trockenlöseverfahren |
| TW202348633A (zh) | 2022-01-31 | 2023-12-16 | 瑞士商Ｌｉｓｔ技術股份公司 | 使用乾溶解法將起始材料加工為成型溶液的設備和方法 |
| EP4219567A1 (de) | 2022-01-31 | 2023-08-02 | LIST Technology AG | Anlage und verfahren zur verarbeitung eines ausgangsmaterials zu einer formlösung nach dem trockenlöseverfahren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2179181A (en) * | 1936-04-21 | 1939-11-07 | Soc Of Chemical Ind | Cellulose solutions and process of making same |
| US2744292A (en) * | 1953-02-10 | 1956-05-08 | Rayonier Inc | Regenerated cellulose sheets and process of producing the sheets |
| US3447939A (en) * | 1966-09-02 | 1969-06-03 | Eastman Kodak Co | Compounds dissolved in cyclic amine oxides |
| US3758457A (en) * | 1972-01-25 | 1973-09-11 | Du Pont | Process for recovering regenerated cellulose |
-
1978
- 1978-09-01 US US05/938,907 patent/US4196282A/en not_active Expired - Lifetime
- 1978-11-08 DE DE2848471A patent/DE2848471C2/de not_active Expired
- 1978-11-22 AU AU41810/78A patent/AU4181078A/en active Pending
- 1978-11-24 AT AT0843478A patent/AT376986B/de not_active IP Right Cessation
- 1978-11-24 IT IT30209/78A patent/IT1101441B/it active
- 1978-11-24 FR FR7833313A patent/FR2423559B1/fr not_active Expired
- 1978-11-24 NO NO783963A patent/NO783963L/no unknown
- 1978-11-24 IN IN850/DEL/78A patent/IN150398B/en unknown
- 1978-11-24 RO RO7895744A patent/RO77343A/ro unknown
- 1978-11-24 TR TR20125A patent/TR20125A/xx unknown
- 1978-11-24 LU LU80571A patent/LU80571A1/de unknown
- 1978-11-24 FI FI783597A patent/FI69876C/fi not_active IP Right Cessation
- 1978-11-24 JP JP14595778A patent/JPS5499148A/ja active Granted
- 1978-11-24 NL NL7811571A patent/NL7811571A/xx not_active Application Discontinuation
- 1978-11-24 DK DK525678A patent/DK525678A/da unknown
- 1978-11-24 GB GB7846034A patent/GB2010279B/en not_active Expired
- 1978-11-24 SE SE7812131A patent/SE443793B/sv not_active IP Right Cessation
- 1978-11-24 CA CA316,832A patent/CA1111206A/en not_active Expired
-
1979
- 1979-01-04 ES ES476575A patent/ES476575A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5499148A (en) | 1979-08-04 |
| IN150398B (es) | 1982-09-25 |
| IT1101441B (it) | 1985-09-28 |
| FR2423559B1 (fr) | 1985-08-23 |
| RO77343A (ro) | 1981-08-17 |
| ES476575A1 (es) | 1979-12-16 |
| SE443793B (sv) | 1986-03-10 |
| FI69876B (fi) | 1985-12-31 |
| CA1111206A (en) | 1981-10-27 |
| DK525678A (da) | 1979-05-26 |
| NL7811571A (nl) | 1979-05-29 |
| AT376986B (de) | 1985-01-25 |
| GB2010279B (en) | 1983-01-19 |
| FI783597A7 (fi) | 1979-05-26 |
| AU4181078A (en) | 1979-05-31 |
| FR2423559A1 (fr) | 1979-11-16 |
| LU80571A1 (de) | 1979-05-16 |
| DE2848471C2 (de) | 1984-06-28 |
| TR20125A (tr) | 1980-09-19 |
| GB2010279A (en) | 1979-06-27 |
| US4196282A (en) | 1980-04-01 |
| DE2848471A1 (de) | 1979-06-07 |
| SE7812131L (sv) | 1979-05-26 |
| JPS5711566B2 (es) | 1982-03-05 |
| NO783963L (no) | 1979-05-28 |
| IT7830209A0 (it) | 1978-11-24 |
| ATA843478A (de) | 1984-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI69876C (fi) | Foerfarande foer framstaellning av produkter pao basen av cellulosa | |
| US9062128B2 (en) | Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved | |
| Viera et al. | Synthesis and characterization of methylcellulose from sugar cane bagasse cellulose | |
| Heinze et al. | Solvents applied in the field of cellulose chemistry: a mini review | |
| Liebert | Cellulose solvents–remarkable history, bright future | |
| Gagnaire et al. | Cellulose organic solutions: A nuclear magnetic resonance investigation | |
| EP2690132A1 (en) | Solvent used for dissolving polysaccharide and method for manufacturing molded article and polysaccharide derivative using this solvent | |
| EP3722497A1 (en) | Fabric treatment composition | |
| Peng et al. | Observations on NMR spectra of starches in dimethyl sulfoxide, iodine-complexing, and solvation in water-di-methyl sulfoxide | |
| Liebert et al. | Readily hydrolysable cellulose esters as intermediates for the regioselective derivatization of cellulose; II. Soluble, highly substituted cellulose trifluoroacetates | |
| US4255300A (en) | Composition and process for making precipitated cellulose-polyvinyl alcohol biconstituent composition | |
| BRPI1003078A2 (pt) | corante de impressão reativo e sua aplicação de composição aquosa | |
| DE4203530A1 (de) | Verwendung von wasserloeslichen sulfoalkylderivaten der cellulose in gips- und zementhaltigen massen | |
| WO1999054361A1 (de) | Verfahren zur aktivierung und derivatisierung von cellulose | |
| WO1999003891A1 (de) | Neuartige celluloseether und verfahren zu deren herstellung | |
| EP0456101B1 (de) | Methylhydroxypropylcelluloseether und Verfahren zu ihrer Herstellung | |
| EP0457092B1 (de) | Alkenylmethylhydroxypropylcelluloseether und ein Verfahren zu ihrer Herstellung | |
| US10730956B2 (en) | Process for producing a water-soluble cellulose derivative having a reduced content of water-insoluble particles | |
| JP6100915B2 (ja) | 耐汚染性が改善されたアセチル化セルロースエーテルの製造方法及びこれから得たアセチル化セルロースエーテル | |
| CN109563176A (zh) | 邻苯二甲酸乙酸纤维素醚 | |
| JP2000204195A (ja) | 低置換度ヒドロキシプロピルセルロ―ス | |
| DE102004035869A1 (de) | Verfahren zur Herstellung von aminogruppenhaltigen Cellulosederivaten sowie deren Verwendung in kosmetischen Zubereitungen der Wasseraufbereitung und der Papierherstellung | |
| Bert et al. | Substitution Patterns of Cellulose Ethers‐Influence of the Synthetic Pathway | |
| DE3347177A1 (de) | Saure carboxymethylcellulose und verfahren zu ihrer herstellung | |
| IT201900002479A1 (it) | Processo di produzione di derivati della cellulosa |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MA | Patent expired | ||
| MM | Patent lapsed | ||
| MA | Patent expired |
Owner name: AKZONA INC. |