CS205368B1 - Spdsob výroby viskózy' · - Google Patents
Spdsob výroby viskózy' · Download PDFInfo
- Publication number
- CS205368B1 CS205368B1 CS106178A CS106178A CS205368B1 CS 205368 B1 CS205368 B1 CS 205368B1 CS 106178 A CS106178 A CS 106178A CS 106178 A CS106178 A CS 106178A CS 205368 B1 CS205368 B1 CS 205368B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- viscose
- cellulose
- naoh
- prepared
- minutes
- Prior art date
Links
- 229920000297 Rayon Polymers 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 71
- 229920002678 cellulose Polymers 0.000 claims description 26
- 239000001913 cellulose Substances 0.000 claims description 25
- 239000003513 alkali Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 12
- 238000004537 pulping Methods 0.000 claims description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 4
- 239000012991 xanthate Substances 0.000 claims description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 32
- 235000010980 cellulose Nutrition 0.000 description 21
- 239000000835 fiber Substances 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 238000005486 sulfidation Methods 0.000 description 7
- 230000021962 pH elevation Effects 0.000 description 6
- 241000218657 Picea Species 0.000 description 5
- 230000035800 maturation Effects 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 206010059027 Brugada syndrome Diseases 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 235000019687 Lamb Nutrition 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- MAHNFPMIPQKPPI-UHFFFAOYSA-N disulfur Chemical compound S=S MAHNFPMIPQKPPI-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS106178A CS205368B1 (ch) | 1978-02-20 | 1978-02-20 | Spdsob výroby viskózy' · |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS106178A CS205368B1 (ch) | 1978-02-20 | 1978-02-20 | Spdsob výroby viskózy' · |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS205368B1 true CS205368B1 (ch) | 1981-05-29 |
Family
ID=5344018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS106178A CS205368B1 (ch) | 1978-02-20 | 1978-02-20 | Spdsob výroby viskózy' · |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS205368B1 (ch) |
-
1978
- 1978-02-20 CS CS106178A patent/CS205368B1/ch unknown
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