CH624152A5 - - Google Patents
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- Publication number
- CH624152A5 CH624152A5 CH881777A CH881777A CH624152A5 CH 624152 A5 CH624152 A5 CH 624152A5 CH 881777 A CH881777 A CH 881777A CH 881777 A CH881777 A CH 881777A CH 624152 A5 CH624152 A5 CH 624152A5
- Authority
- CH
- Switzerland
- Prior art keywords
- cellulose
- formaldehyde
- dmso
- solution
- coagulating bath
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 79
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 56
- 229920002678 cellulose Polymers 0.000 claims description 52
- 239000001913 cellulose Substances 0.000 claims description 51
- 230000001112 coagulating effect Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 235000010980 cellulose Nutrition 0.000 description 47
- 239000000243 solution Substances 0.000 description 31
- 239000000499 gel Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229930040373 Paraformaldehyde Natural products 0.000 description 10
- 229920002866 paraformaldehyde Polymers 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 230000001143 conditioned effect Effects 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Natural products CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 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
- 230000005587 bubbling Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910021529 ammonia Inorganic materials 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Textile Engineering (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Pens And Brushes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU38056/78A AU518599B2 (en) | 1977-07-15 | 1978-07-14 | Producing rovings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7622031A FR2358477A1 (fr) | 1976-07-16 | 1976-07-16 | Nouveau procede de mise en forme de solutions de cellulose par voie physique et articles ainsi obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH624152A5 true CH624152A5 (d) | 1981-07-15 |
Family
ID=9175882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH881777A CH624152A5 (d) | 1976-07-16 | 1977-07-15 |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4129640A (d) |
| JP (1) | JPS6028847B2 (d) |
| AT (1) | AT355181B (d) |
| BE (1) | BE856876A (d) |
| BR (1) | BR7704613A (d) |
| CA (1) | CA1078569A (d) |
| CH (1) | CH624152A5 (d) |
| DD (1) | DD131384A5 (d) |
| DE (1) | DE2732152C3 (d) |
| ES (1) | ES460788A1 (d) |
| FI (1) | FI63971C (d) |
| FR (1) | FR2358477A1 (d) |
| GB (1) | GB1540044A (d) |
| IT (1) | IT1082133B (d) |
| MX (1) | MX148612A (d) |
| NL (1) | NL178174C (d) |
| NO (1) | NO147675C (d) |
| OA (1) | OA06111A (d) |
| PT (1) | PT66815B (d) |
| SE (1) | SE420612B (d) |
| SU (1) | SU743586A3 (d) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT344867B (de) * | 1977-04-05 | 1978-08-10 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von faeden oder filmen aus regenerierter cellulose |
| IT7821922A0 (it) * | 1978-04-03 | 1978-04-03 | Ind Applic Viscosa Snia Viscos | Procedimento per la dissoluzione della cellulosa in solventi organici, soluzioni ottenute con tale procedimento, e procedimento per la rigenerazione della cellulosa dalle dette soluzioni con produzioni di corpi formati. |
| 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. |
| IT7826175A0 (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 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 |
| 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 |
| DE4134190A1 (de) * | 1991-10-16 | 1993-04-22 | Tomka Ivan | Verfahren zur verbesserung der mechanischen eigenschaften von ein- oder mehrschichtfolien |
| DE19613990A1 (de) | 1996-04-09 | 1997-10-16 | Wolff Walsrode Ag | Thermoplastischer Werkstoff bestehend aus aliphatischen Carbamidsäurederivaten von Polysacchariden und niedermolekularen Harnstoffderivaten sowie ein Verfahren zu dessen Herstellung und Verwendung desselben |
| US5962005A (en) * | 1997-04-17 | 1999-10-05 | Rengo Co., Ltd | Transparent cellulose hydrogel and production process 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 FR7622031A patent/FR2358477A1/fr active Granted
-
1977
- 1977-06-21 OA OA40CIA patent/OA06111A/xx unknown
- 1977-07-11 GB GB29078/77A patent/GB1540044A/en not_active Expired
- 1977-07-13 MX MX169839A patent/MX148612A/es unknown
- 1977-07-14 US US05/815,856 patent/US4129640A/en not_active Expired - Lifetime
- 1977-07-14 BR BR7704613A patent/BR7704613A/pt unknown
- 1977-07-15 PT PT66815A patent/PT66815B/pt unknown
- 1977-07-15 DD DD7700200093A patent/DD131384A5/xx unknown
- 1977-07-15 NO NO772532A patent/NO147675C/no unknown
- 1977-07-15 JP JP52084319A patent/JPS6028847B2/ja not_active Expired
- 1977-07-15 BE BE179400A patent/BE856876A/xx not_active IP Right Cessation
- 1977-07-15 IT IT25794/77A patent/IT1082133B/it active
- 1977-07-15 NL NLAANVRAGE7707933,A patent/NL178174C/xx not_active IP Right Cessation
- 1977-07-15 SE SE7708258A patent/SE420612B/xx not_active IP Right Cessation
- 1977-07-15 CH CH881777A patent/CH624152A5/fr not_active IP Right Cessation
- 1977-07-15 CA CA282,840A patent/CA1078569A/fr not_active Expired
- 1977-07-15 FI FI772205A patent/FI63971C/fi not_active IP Right Cessation
- 1977-07-15 SU SU772503812A patent/SU743586A3/ru active
- 1977-07-15 ES ES460788A patent/ES460788A1/es not_active Expired
- 1977-07-15 DE DE2732152A patent/DE2732152C3/de not_active Expired
- 1977-07-18 AT AT518077A patent/AT355181B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5327648A (en) | 1978-03-15 |
| BE856876A (fr) | 1978-01-16 |
| NL178174B (nl) | 1985-09-02 |
| NL7707933A (nl) | 1978-01-18 |
| FR2358477B1 (d) | 1978-12-22 |
| US4129640A (en) | 1978-12-12 |
| JPS6028847B2 (ja) | 1985-07-06 |
| SU743586A3 (ru) | 1980-06-25 |
| AT355181B (de) | 1980-02-25 |
| PT66815A (fr) | 1977-08-01 |
| FI63971B (fi) | 1983-05-31 |
| GB1540044A (en) | 1979-02-07 |
| SE420612B (sv) | 1981-10-19 |
| FR2358477A1 (fr) | 1978-02-10 |
| BR7704613A (pt) | 1978-06-06 |
| DE2732152B2 (de) | 1981-04-23 |
| IT1082133B (it) | 1985-05-21 |
| NO772532L (no) | 1978-01-17 |
| DE2732152A1 (de) | 1978-01-26 |
| NL178174C (nl) | 1986-02-03 |
| DD131384A5 (de) | 1978-06-21 |
| NO147675C (no) | 1983-05-25 |
| MX148612A (es) | 1983-05-18 |
| NO147675B (no) | 1983-02-14 |
| DE2732152C3 (de) | 1982-03-04 |
| CA1078569A (fr) | 1980-06-03 |
| FI63971C (fi) | 1983-09-12 |
| OA06111A (fr) | 1981-06-30 |
| PT66815B (fr) | 1978-12-21 |
| ATA518077A (de) | 1979-07-15 |
| SE7708258L (sv) | 1978-01-17 |
| ES460788A1 (es) | 1978-05-01 |
| FI772205A7 (d) | 1978-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |