BE442746A - - Google Patents
Info
- Publication number
- BE442746A BE442746A BE442746DA BE442746A BE 442746 A BE442746 A BE 442746A BE 442746D A BE442746D A BE 442746DA BE 442746 A BE442746 A BE 442746A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- lignin
- during
- alkali
- lignin derivatives
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 37
- 239000001913 cellulose Substances 0.000 claims description 37
- 229920005610 lignin Polymers 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 14
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000005755 formation reaction Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 229920000297 Rayon Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000035800 maturation Effects 0.000 claims description 7
- 230000005070 ripening Effects 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 26
- 239000003513 alkali Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 230000004059 degradation Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 230000001131 transforming Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000004627 regenerated cellulose Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 210000002268 Wool Anatomy 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 230000002349 favourable Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229910006069 SO3H Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000001603 reducing Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QGJOPFRUJISHPQ-UHFFFAOYSA-N carbon bisulphide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001665 lethal Effects 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
- C08L1/06—Cellulose hydrate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/22—Cellulose xanthate
- C08L1/24—Viscose
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442746A true BE442746A (nl) |
Family
ID=99860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442746D BE442746A (nl) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE442746A (nl) |
-
0
- BE BE442746D patent/BE442746A/fr unknown
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