CH624418A5 - - Google Patents
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- Publication number
- CH624418A5 CH624418A5 CH881877A CH881877A CH624418A5 CH 624418 A5 CH624418 A5 CH 624418A5 CH 881877 A CH881877 A CH 881877A CH 881877 A CH881877 A CH 881877A CH 624418 A5 CH624418 A5 CH 624418A5
- Authority
- CH
- Switzerland
- Prior art keywords
- cellulose
- water
- formaldehyde
- dmso
- solution
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 61
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 54
- 229920002678 cellulose Polymers 0.000 claims description 47
- 239000001913 cellulose Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 230000001112 coagulating effect Effects 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Natural products CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 43
- 239000000243 solution Substances 0.000 description 30
- 230000001143 conditioned effect Effects 0.000 description 13
- 238000004090 dissolution Methods 0.000 description 7
- 239000000499 gel Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229930040373 Paraformaldehyde Natural products 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 229920002866 paraformaldehyde Polymers 0.000 description 6
- 238000009987 spinning Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- RZKNJSIGVZOHKZ-UHFFFAOYSA-N diazanium carbonic acid carbonate Chemical compound [NH4+].[NH4+].OC(O)=O.OC(O)=O.[O-]C([O-])=O RZKNJSIGVZOHKZ-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- -1 formaldehyde compound Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material 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
-
- 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)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pens And Brushes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7622032A FR2358432A1 (fr) | 1976-07-16 | 1976-07-16 | Nouveau procede de mise en forme de solutions de cellulose et articles ainsi obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH624418A5 true CH624418A5 (de) | 1981-07-31 |
Family
ID=9175883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH881877A CH624418A5 (de) | 1976-07-16 | 1977-07-15 |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4173613A (de) |
| JP (1) | JPS6028846B2 (de) |
| AT (1) | AT355182B (de) |
| BE (1) | BE856877A (de) |
| BR (1) | BR7704612A (de) |
| CA (1) | CA1078570A (de) |
| CH (1) | CH624418A5 (de) |
| DD (1) | DD131029A5 (de) |
| DE (1) | DE2732176C3 (de) |
| ES (1) | ES460789A1 (de) |
| FI (1) | FI63972C (de) |
| FR (1) | FR2358432A1 (de) |
| GB (1) | GB1540045A (de) |
| IT (1) | IT1081292B (de) |
| MX (1) | MX147366A (de) |
| NL (1) | NL179223C (de) |
| NO (1) | NO147674C (de) |
| OA (1) | OA06113A (de) |
| PT (1) | PT66816B (de) |
| SE (1) | SE420613B (de) |
| SU (1) | SU797596A3 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7826174A0 (it) * | 1978-07-27 | 1978-07-27 | Snia Viscosa | Procedimento per la preparazione di corpi formati di cellulosa rigenerata da soluzioni di derivati della cellulosa in dimetilsolfossido. |
| IT1112577B (it) * | 1979-04-24 | 1986-01-20 | Snia Viscosa | Perfezionamenti a procedimento per la preparazione di corpi formati di cellulosa rigenerata da soluzioni di derivati dalla cellulosa in solventi organici |
| FR2478116B1 (fr) * | 1980-03-14 | 1985-06-14 | Rhone Poulenc Textile | Solutions conformables a partir de melanges de cellulose et polyamide-imide et articles en forme obtenus |
| FI60569C (fi) * | 1980-03-28 | 1982-02-10 | Valtion Teknillinen | Foerfarande foer tillverkning av regenererade cellulosaprodukter och aotervinning av loesningskemikalier |
| FR2483966A1 (fr) * | 1980-06-10 | 1981-12-11 | Rhone Poulenc Textile | Solutions conformables a partir de melanges de cellulose et polychlorure de vinyle et articles en forme obtenus |
| JPS5991965A (ja) * | 1982-11-18 | 1984-05-26 | テルモ株式会社 | 透過膜の製造方法 |
| DE4134190A1 (de) * | 1991-10-16 | 1993-04-22 | Tomka Ivan | Verfahren zur verbesserung der mechanischen eigenschaften von ein- oder mehrschichtfolien |
| FR2748277B1 (fr) * | 1996-05-06 | 1998-07-31 | Elysees Balzac Financiere | Procede de fabrication de produits alveolaires cellulosiques produits alveolaires cellulosiques |
| DE19623704C1 (de) * | 1996-06-14 | 1997-06-26 | Freudenberg Carl Fa | Schwammtuch und Verfahren zu dessen Herstellung |
| DE19623703C1 (de) * | 1996-06-14 | 1997-07-24 | Freudenberg Carl Fa | Schwamm und Verfahren zu dessen Herstellung |
| US5962005A (en) * | 1997-04-17 | 1999-10-05 | Rengo Co., Ltd | Transparent cellulose hydrogel and production process thereof |
| GB0020852D0 (en) * | 2000-08-24 | 2000-10-11 | Ucb Sa | Cellulosic films and uses thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236669A (en) * | 1963-04-19 | 1966-02-22 | Du Pont | Cellulose solutions in dimethyl sulfoxide and nitrogen dioxide |
| US3706526A (en) * | 1971-12-06 | 1972-12-19 | Cotton Inc | Process for treating cellulosic material with formaldehyde and sulfur dioxide |
| US4022631A (en) * | 1975-05-19 | 1977-05-10 | International Telephone And Telegraph Corporation | Process for producing regenerated cellulosic articles |
| US4044090A (en) * | 1975-07-09 | 1977-08-23 | International Telephone And Telegraph Corporation | Process for producing regenerated cellulosic product |
| US4028132A (en) * | 1975-11-25 | 1977-06-07 | International Playtex, Inc. | Cellulose solutions and products prepared therefrom |
-
1976
- 1976-07-16 FR FR7622032A patent/FR2358432A1/fr active Granted
-
1977
- 1977-06-21 OA OA41CIA patent/OA06113A/xx unknown
- 1977-07-11 GB GB29079/77A patent/GB1540045A/en not_active Expired
- 1977-07-14 BR BR7704612A patent/BR7704612A/pt unknown
- 1977-07-14 US US05/815,850 patent/US4173613A/en not_active Expired - Lifetime
- 1977-07-14 MX MX169852A patent/MX147366A/es unknown
- 1977-07-15 CA CA282,854A patent/CA1078570A/fr not_active Expired
- 1977-07-15 BE BE179401A patent/BE856877A/xx not_active IP Right Cessation
- 1977-07-15 ES ES460789A patent/ES460789A1/es not_active Expired
- 1977-07-15 FI FI772206A patent/FI63972C/fi not_active IP Right Cessation
- 1977-07-15 SU SU772503806A patent/SU797596A3/ru active
- 1977-07-15 IT IT25796/77A patent/IT1081292B/it active
- 1977-07-15 SE SE7708259A patent/SE420613B/xx not_active IP Right Cessation
- 1977-07-15 NL NLAANVRAGE7707934,A patent/NL179223C/xx not_active IP Right Cessation
- 1977-07-15 DE DE2732176A patent/DE2732176C3/de not_active Expired
- 1977-07-15 CH CH881877A patent/CH624418A5/fr not_active IP Right Cessation
- 1977-07-15 NO NO772531A patent/NO147674C/no unknown
- 1977-07-15 PT PT66816A patent/PT66816B/pt unknown
- 1977-07-15 JP JP52084317A patent/JPS6028846B2/ja not_active Expired
- 1977-07-15 DD DD7700200087A patent/DD131029A5/de unknown
- 1977-07-18 AT AT518177A patent/AT355182B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE856877A (fr) | 1978-01-16 |
| JPS6028846B2 (ja) | 1985-07-06 |
| NO147674B (no) | 1983-02-14 |
| DE2732176C3 (de) | 1981-08-13 |
| JPS5327647A (en) | 1978-03-15 |
| FI63972B (fi) | 1983-05-31 |
| ATA518177A (de) | 1979-07-15 |
| NL179223B (nl) | 1986-03-03 |
| SE420613B (sv) | 1981-10-19 |
| SE7708259L (sv) | 1978-01-17 |
| GB1540045A (en) | 1979-02-07 |
| MX147366A (es) | 1982-11-24 |
| BR7704612A (pt) | 1978-06-06 |
| NL179223C (nl) | 1986-08-01 |
| SU797596A3 (ru) | 1981-01-15 |
| NO772531L (no) | 1978-01-17 |
| FR2358432A1 (fr) | 1978-02-10 |
| PT66816B (fr) | 1978-12-21 |
| NL7707934A (nl) | 1978-01-18 |
| FR2358432B1 (de) | 1979-01-19 |
| PT66816A (fr) | 1977-08-01 |
| DE2732176A1 (de) | 1978-01-19 |
| DE2732176B2 (de) | 1980-12-04 |
| FI772206A (de) | 1978-01-17 |
| DD131029A5 (de) | 1978-05-24 |
| FI63972C (fi) | 1983-09-12 |
| CA1078570A (fr) | 1980-06-03 |
| ES460789A1 (es) | 1978-05-01 |
| NO147674C (no) | 1983-05-25 |
| IT1081292B (it) | 1985-05-16 |
| US4173613A (en) | 1979-11-06 |
| OA06113A (fr) | 1981-06-30 |
| AT355182B (de) | 1980-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |