BE496683A - - Google Patents
Info
- Publication number
- BE496683A BE496683A BE496683DA BE496683A BE 496683 A BE496683 A BE 496683A BE 496683D A BE496683D A BE 496683DA BE 496683 A BE496683 A BE 496683A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- cellulose
- alkalicellulose
- lye
- polymerization
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 40
- 239000001913 cellulose Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 17
- 229920000297 Rayon Polymers 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000007800 oxidant agent Substances 0.000 claims description 8
- 239000000080 wetting agent Substances 0.000 claims description 8
- 230000003113 alkalizing effect Effects 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 31
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 8
- 235000011613 Pinus brutia Nutrition 0.000 description 8
- 241000018646 Pinus brutia Species 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000005070 ripening Effects 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920002955 Art silk Polymers 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005517 mercerization Methods 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 235000010288 sodium nitrite Nutrition 0.000 description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- RSWGJHLUYNHPMX-OZNCTZQZSA-N (1r)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCC[C@@]2(C)C(O)=O RSWGJHLUYNHPMX-OZNCTZQZSA-N 0.000 description 1
- FWMKPJYJDJSEHR-UHFFFAOYSA-N 2-propylnaphthalene-1-sulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(CCC)=CC=C21 FWMKPJYJDJSEHR-UHFFFAOYSA-N 0.000 description 1
- 239000004160 Ammonium persulphate Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229960004337 hydroquinone Drugs 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 description 1
- 229940067157 phenylhydrazine Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229960000819 sodium nitrite Drugs 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 229940001482 sodium sulfite Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance 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
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE291782X | 1949-03-14 | ||
DE211149X | 1949-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE496683A true BE496683A (d) |
Family
ID=25760778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE496683D BE496683A (d) | 1949-03-14 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE496683A (d) |
CH (1) | CH291782A (d) |
FR (1) | FR998868A (d) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1068686B (de) * | 1959-11-12 | Rayonier Incorporated, Sheltan, Wash. (V. St. A.) | Verfahren zur Alkalisierung von Zellstoff |
-
0
- BE BE496683D patent/BE496683A/fr unknown
-
1949
- 1949-11-02 FR FR998868D patent/FR998868A/fr not_active Expired
-
1950
- 1950-06-24 CH CH291782D patent/CH291782A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH291782A (de) | 1953-07-15 |
FR998868A (fr) | 1952-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018073177A1 (en) | Recycling of cellulosic textiles | |
CH418317A (fr) | Procédé de fabrication de fibres de cellulose partiellement acétylées | |
BE496683A (d) | ||
US4368078A (en) | Process for the preparation of viscose and process for the spinning of the viscose thus obtained | |
US2131733A (en) | Cellulose derivatives | |
US2296857A (en) | Making artificial structures from xanthates | |
EP0188979B1 (fr) | Procédé de préparation d'anthraquinone | |
US2969355A (en) | Method of preparing cellulose sulfate | |
US2101262A (en) | Cellulose etherification | |
CH423225A (fr) | Procédé pour diminuer le degré de polymérisation de l'hydroxyéthylcellulose | |
US2141383A (en) | Process of preparing solutions of cellulose in sulphuric acid | |
FR2458558A1 (fr) | Procede pour la preparation de solutions a tres forte concentration de derives de la cellulose dans des solvants organiques et solutions obtenues par le procede | |
CH308564A (fr) | Procédé de préparation de produits d'oxydation de la cellulose. | |
US2077066A (en) | Method for the preparation of aralkyl ethers of cellulose | |
US571530A (en) | Rudolf langhans | |
RU2796023C1 (ru) | Способ получения волокнистой целлюлозы из короткого льняного волокна | |
USRE19280E (en) | Viscose and process for making | |
US1831197A (en) | Low viscosity cellulose fiber and process of making | |
SU25539A1 (ru) | Способ получени медно-аммиачных растворов целлюлозы | |
NO145039B (no) | Anvendelse av 3,5-difenylpyrazoliumsalter for bekjempelse av fytopatogene fungi | |
BE514149A (d) | ||
BE456678A (d) | ||
SU605398A1 (ru) | Способ получени пленок из карбоксилцеллюлозы | |
CN117738014A (zh) | 一种环保型硫化染料复合还原剂及其应用 | |
CN120291392A (zh) | 一种棉短绒浆漂白剂及漂白方法 |