BE454217A - - Google Patents
Info
- Publication number
- BE454217A BE454217A BE454217DA BE454217A BE 454217 A BE454217 A BE 454217A BE 454217D A BE454217D A BE 454217DA BE 454217 A BE454217 A BE 454217A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- formaldehyde
- reaction
- calcium
- solution
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- -1 lithium halide Chemical class 0.000 claims description 5
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 239000011592 zinc chloride Substances 0.000 claims description 4
- 235000005074 zinc chloride Nutrition 0.000 claims description 4
- 229920000875 Dissolving pulp Polymers 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- WGEFECGEFUFIQW-UHFFFAOYSA-L Calcium bromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229940059251 calcium bromide Drugs 0.000 claims description 2
- 229910001622 calcium bromide Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- VLYOEHGIHVQBMV-UHFFFAOYSA-N calcium;sulfo cyanate Chemical compound [Ca].OS(=O)(=O)OC#N VLYOEHGIHVQBMV-UHFFFAOYSA-N 0.000 claims description 2
- 230000000887 hydrating Effects 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 34
- 229920002678 cellulose Polymers 0.000 description 23
- 239000001913 cellulose Substances 0.000 description 23
- 239000000243 solution Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000004090 dissolution Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000004627 regenerated cellulose Substances 0.000 description 5
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M Lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 3
- 230000002522 swelling Effects 0.000 description 3
- HSZCZNFXUDYRKD-UHFFFAOYSA-M Lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- RLDQYSHDFVSAPL-UHFFFAOYSA-L calcium;dithiocyanate Chemical compound [Ca+2].[S-]C#N.[S-]C#N RLDQYSHDFVSAPL-UHFFFAOYSA-L 0.000 description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M isothiocyanate Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N Hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229960004011 Methenamine Drugs 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 210000002268 Wool Anatomy 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- OYPRJOBELJOOCE-IGMARMGPSA-N calcium-40 Chemical compound [40Ca] OYPRJOBELJOOCE-IGMARMGPSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 101710031899 moon Proteins 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454217A true BE454217A (nl) |
Family
ID=108407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454217D BE454217A (nl) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE454217A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466473A1 (nl) * | 1979-07-25 | 1981-04-10 | Itt |
-
0
- BE BE454217D patent/BE454217A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466473A1 (nl) * | 1979-07-25 | 1981-04-10 | Itt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1019443A1 (fr) | Cellulose reactive et procede de fabrication de cette cellulose | |
| FR2597485A1 (fr) | Procede pour la fabrication de cyclodextrines modifiees. | |
| FR2513280A1 (fr) | Procede de blanchiment de pate de cellulose par delignification | |
| JPS63500246A (ja) | リグノ−セルロ−ズ質溶液の製造方法とその生成溶液 | |
| BE454217A (nl) | ||
| CA2200486C (fr) | Procede de delignification et de blanchiment de pates a papier chimiques | |
| US4342600A (en) | Process for the manufacture of viscoses | |
| FR3116820A1 (fr) | Procede de solubilisation et de regeneration de la cellulose | |
| SU1296014A3 (ru) | Способ получени целлюлозы с низким содержанием лигнина | |
| BE424105A (nl) | ||
| RU2796023C1 (ru) | Способ получения волокнистой целлюлозы из короткого льняного волокна | |
| CH423225A (fr) | Procédé pour diminuer le degré de polymérisation de l'hydroxyéthylcellulose | |
| BE629283A (nl) | ||
| US6143884A (en) | Manufacturing process of cellulose viscose with low viscosity | |
| BE1011129A4 (fr) | Procede continu de delignification et/ou de blanchiment de pate a papier chimique vierge ou recyclee. | |
| BE496683A (nl) | ||
| BE442746A (nl) | ||
| BE441500A (nl) | ||
| CH265848A (fr) | Procédé de préparation d'une éthyl-hydroxyéthyl-cellulose. | |
| BE458917A (nl) | ||
| EP0089077A2 (fr) | Procédé de traitement de matériaux ligno-cellulosiques | |
| CH172256A (fr) | Procédé pour la fabrication d'un éther hydroxypropylique de la cellulose. | |
| BE535665A (nl) | ||
| BE703740A (nl) | ||
| CH165817A (fr) | Procédé pour la fabrication d'un éther hydroxyéthylique de cellulose. |