BE485835A - - Google Patents
Info
- Publication number
- BE485835A BE485835A BE485835DA BE485835A BE 485835 A BE485835 A BE 485835A BE 485835D A BE485835D A BE 485835DA BE 485835 A BE485835 A BE 485835A
- Authority
- BE
- Belgium
- Prior art keywords
- viscose
- urea
- approximately
- weight
- fibers
- Prior art date
Links
- 229920000297 Rayon Polymers 0.000 claims description 61
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 37
- 239000004202 carbamide Substances 0.000 claims description 37
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 150000003839 salts Chemical class 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 229920002678 cellulose Polymers 0.000 claims description 11
- 239000001913 cellulose Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 7
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 7
- 229960001763 zinc sulfate Drugs 0.000 claims description 7
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 230000005070 ripening Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000001747 exhibiting effect Effects 0.000 claims description 4
- 239000004627 regenerated cellulose Substances 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000011260 aqueous acid Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 description 6
- 235000011152 sodium sulphate Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000002166 wet spinning Methods 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
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE485835A true BE485835A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=131649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE485835D BE485835A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE485835A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
-
0
- BE BE485835D patent/BE485835A/fr unknown