BE450184A - - Google Patents
Info
- Publication number
- BE450184A BE450184A BE450184DA BE450184A BE 450184 A BE450184 A BE 450184A BE 450184D A BE450184D A BE 450184DA BE 450184 A BE450184 A BE 450184A
- Authority
- BE
- Belgium
- Prior art keywords
- parts
- ether
- alcohol
- volume
- cellulose
- Prior art date
Links
- 239000011780 sodium chloride Substances 0.000 claims description 12
- 150000004676 glycans Polymers 0.000 claims description 9
- 150000004804 polysaccharides Polymers 0.000 claims description 9
- 229920001282 polysaccharide Polymers 0.000 claims description 8
- 239000005017 polysaccharide Substances 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 19
- 239000000203 mixture Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 11
- 229920002678 cellulose Polymers 0.000 description 10
- 239000001913 cellulose Substances 0.000 description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 7
- 235000011121 sodium hydroxide Nutrition 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 6
- 159000000000 sodium salts Chemical class 0.000 description 6
- 239000008107 starch Substances 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- 229920002527 Glycogen Polymers 0.000 description 4
- BYSGBSNPRWKUQH-UJDJLXLFSA-N Glycogen Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@@H](O)[C@@H](O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)O1 BYSGBSNPRWKUQH-UJDJLXLFSA-N 0.000 description 4
- 229940096919 Glycogen Drugs 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000002378 acidificating Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N sulfonic acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- XJMQZROOGFNQLP-UHFFFAOYSA-N 1-bromoethanesulfonic acid;sodium Chemical compound [Na].CC(Br)S(O)(=O)=O XJMQZROOGFNQLP-UHFFFAOYSA-N 0.000 description 1
- 210000004369 Blood Anatomy 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N Chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- MPUSMFBVTGGTIU-UHFFFAOYSA-N bromo ethanesulfonate;sodium Chemical compound [Na].CCS(=O)(=O)OBr MPUSMFBVTGGTIU-UHFFFAOYSA-N 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000001665 trituration 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
- C08B13/00—Preparation of cellulose ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450184A true BE450184A (ja) |
Family
ID=105323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450184D BE450184A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE450184A (ja) |
-
0
- BE BE450184D patent/BE450184A/fr unknown
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