BE572851A - - Google Patents
Info
- Publication number
- BE572851A BE572851A BE572851DA BE572851A BE 572851 A BE572851 A BE 572851A BE 572851D A BE572851D A BE 572851DA BE 572851 A BE572851 A BE 572851A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulosic material
- carboxymethylcellulose
- sodium salt
- alcoholic
- acid
- Prior art date
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 230000001476 alcoholic effect Effects 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 235000019441 ethanol Nutrition 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 16
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 14
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 14
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 14
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 11
- 159000000000 sodium salts Chemical class 0.000 claims description 11
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 4
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000003929 acidic solution Substances 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 description 14
- 229920002678 cellulose Polymers 0.000 description 14
- 239000003513 alkali Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000006266 etherification reaction Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE572851A true BE572851A (d) |
Family
ID=190507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE572851D BE572851A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE572851A (d) |
-
0
- BE BE572851D patent/BE572851A/fr unknown
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