BE431431A - - Google Patents
Info
- Publication number
- BE431431A BE431431A BE431431DA BE431431A BE 431431 A BE431431 A BE 431431A BE 431431D A BE431431D A BE 431431DA BE 431431 A BE431431 A BE 431431A
- Authority
- BE
- Belgium
- Prior art keywords
- solution
- parts
- water
- ethers
- cellulose ethers
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 229920003086 cellulose ether Polymers 0.000 claims description 11
- 150000002170 ethers Chemical class 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 7
- 230000029936 alkylation Effects 0.000 claims description 2
- 238000005804 alkylation reaction Methods 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 60
- 235000011121 sodium hydroxide Nutrition 0.000 description 20
- 239000003513 alkali Substances 0.000 description 9
- 239000003595 mist Substances 0.000 description 9
- 239000003518 caustics Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 6
- 238000006266 etherification reaction Methods 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012456 homogeneous solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- -1 glyceryl chlorohydrin Chemical compound 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010257 thawing 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
- C08B11/00—Preparation of cellulose ethers
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 |
|---|---|
| BE431431A true BE431431A (d) |
Family
ID=91216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431431D BE431431A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE431431A (d) |
-
0
- BE BE431431D patent/BE431431A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1941278A (en) | Manufacture of ether derivatives of carbohydrates like cellulose | |
| BE431431A (d) | ||
| CN114318922A (zh) | 一种精制棉的环保型蒸煮复合助剂制备方法 | |
| EP0188979B1 (fr) | Procédé de préparation d'anthraquinone | |
| GB516672A (en) | Improvements in or relating to the production of cellulose derivatives | |
| US4068670A (en) | Smoking composition | |
| US2114605A (en) | Cellulose derivative manufacture | |
| RU2796023C1 (ru) | Способ получения волокнистой целлюлозы из короткого льняного волокна | |
| US2141383A (en) | Process of preparing solutions of cellulose in sulphuric acid | |
| JPH03197501A (ja) | パルプシートの解砕方法 | |
| BE500186A (d) | ||
| US1941277A (en) | Manufacture of ether derivatives of carbohydrates like cellulose | |
| BE506786A (d) | ||
| BE404266A (d) | ||
| CN116730295A (zh) | 一种微孔速溶型过氧碳酸钠的制备方法 | |
| GB683385A (en) | Improvements in or relating to the treatment of cellulose and its conversion into cellulose derivatives | |
| BE458917A (d) | ||
| BE427930A (d) | ||
| CH140727A (fr) | Procédé pour la saponification partielle des acétates de cellulose. | |
| BE362267A (d) | ||
| BE468064A (d) | ||
| BE372751A (d) | ||
| BE358020A (d) | ||
| BE457209A (d) | ||
| BE525639A (d) |