BE703740A - - Google Patents
Info
- Publication number
- BE703740A BE703740A BE703740DA BE703740A BE 703740 A BE703740 A BE 703740A BE 703740D A BE703740D A BE 703740DA BE 703740 A BE703740 A BE 703740A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- water
- slurry
- acetone
- phase
- Prior art date
Links
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 194
- 229920002678 cellulose Polymers 0.000 claims description 119
- 239000001913 cellulose Substances 0.000 claims description 118
- 239000002002 slurry Substances 0.000 claims description 91
- 238000000034 method Methods 0.000 claims description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 239000000243 solution Substances 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 36
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 35
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 35
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 35
- 229940105329 carboxymethylcellulose Drugs 0.000 claims description 35
- 238000006266 etherification reaction Methods 0.000 claims description 30
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000006467 substitution reaction Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 235000021395 porridge Nutrition 0.000 claims description 4
- 235000010980 cellulose Nutrition 0.000 description 94
- 239000003513 alkali Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 238000011084 recovery Methods 0.000 description 6
- 239000000499 gel Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000021962 pH elevation Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 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 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- KDPAWGWELVVRCH-UHFFFAOYSA-N bromoacetic acid Chemical compound OC(=O)CBr KDPAWGWELVVRCH-UHFFFAOYSA-N 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229960001031 glucose Drugs 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE703740 | 1967-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE703740A true BE703740A (d) | 1968-03-11 |
Family
ID=3851453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE703740D BE703740A (d) | 1967-09-11 | 1967-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE703740A (d) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534590A1 (fr) * | 1982-10-15 | 1984-04-20 | Henkel Kgaa | Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants |
-
1967
- 1967-09-11 BE BE703740D patent/BE703740A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534590A1 (fr) * | 1982-10-15 | 1984-04-20 | Henkel Kgaa | Procede de preparation de carboxyalcoyl-polysaccharide-ethers (mixtes) faiblement substitues et a bonne solubilite dans l'eau, ainsi que les polysaccharide-ethers mixtes correspondants |
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