FR2293504A1 - Procede pour l'obtention de fibres de cellulose regeneree ayant un pouvoir de fibrillation elevee - Google Patents
Procede pour l'obtention de fibres de cellulose regeneree ayant un pouvoir de fibrillation eleveeInfo
- Publication number
- FR2293504A1 FR2293504A1 FR7440727A FR7440727A FR2293504A1 FR 2293504 A1 FR2293504 A1 FR 2293504A1 FR 7440727 A FR7440727 A FR 7440727A FR 7440727 A FR7440727 A FR 7440727A FR 2293504 A1 FR2293504 A1 FR 2293504A1
- Authority
- FR
- France
- Prior art keywords
- acid bath
- fibres
- cellulose
- regeneration
- air
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title abstract 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title abstract 2
- 229920000297 Rayon Polymers 0.000 title abstract 2
- 230000008929 regeneration Effects 0.000 title abstract 2
- 238000011069 regeneration method Methods 0.000 title abstract 2
- 238000009987 spinning Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 title 2
- 239000007832 Na2SO4 Substances 0.000 abstract 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 2
- 235000011152 sodium sulphate Nutrition 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 abstract 2
- 229910000368 zinc sulfate Inorganic materials 0.000 abstract 2
- 239000011686 zinc sulphate Substances 0.000 abstract 2
- 235000009529 zinc sulphate Nutrition 0.000 abstract 2
- 229920003043 Cellulose fiber Polymers 0.000 abstract 1
- 206010061592 cardiac fibrillation Diseases 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000002600 fibrillogenic effect Effects 0.000 abstract 1
- 239000004627 regenerated cellulose Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/08—Synthetic cellulose fibres from regenerated 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
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7440727A FR2293504A1 (fr) | 1974-12-04 | 1974-12-04 | Procede pour l'obtention de fibres de cellulose regeneree ayant un pouvoir de fibrillation elevee |
DE19752554635 DE2554635A1 (de) | 1974-12-04 | 1975-12-04 | Verfahren zur herstellung von fasern aus regenerierter zellulose mit erhoehtem fibrillationsvermoegen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7440727A FR2293504A1 (fr) | 1974-12-04 | 1974-12-04 | Procede pour l'obtention de fibres de cellulose regeneree ayant un pouvoir de fibrillation elevee |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2293504A1 true FR2293504A1 (fr) | 1976-07-02 |
FR2293504B1 FR2293504B1 (enrdf_load_stackoverflow) | 1977-11-10 |
Family
ID=9145996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7440727A Granted FR2293504A1 (fr) | 1974-12-04 | 1974-12-04 | Procede pour l'obtention de fibres de cellulose regeneree ayant un pouvoir de fibrillation elevee |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2554635A1 (enrdf_load_stackoverflow) |
FR (1) | FR2293504A1 (enrdf_load_stackoverflow) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1021537A (en) * | 1963-03-07 | 1966-03-02 | Teijin Ltd | Method of producing viscose rayon staple and a spinning apparatus for use in the method |
NL134509C (enrdf_load_stackoverflow) * | 1965-08-03 |
-
1974
- 1974-12-04 FR FR7440727A patent/FR2293504A1/fr active Granted
-
1975
- 1975-12-04 DE DE19752554635 patent/DE2554635A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2554635C2 (enrdf_load_stackoverflow) | 1987-09-10 |
FR2293504B1 (enrdf_load_stackoverflow) | 1977-11-10 |
DE2554635A1 (de) | 1976-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |