BE441598A - - Google Patents
Info
- Publication number
- BE441598A BE441598A BE441598DA BE441598A BE 441598 A BE441598 A BE 441598A BE 441598D A BE441598D A BE 441598DA BE 441598 A BE441598 A BE 441598A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- polyoxymethylene
- formaldehyde
- solutions
- added
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 39
- 229920002678 cellulose Polymers 0.000 claims description 26
- 239000001913 cellulose Substances 0.000 claims description 26
- -1 polyoxymethylene Polymers 0.000 claims description 16
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 15
- 229920006324 polyoxymethylene Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000007859 condensation product Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 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
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/22—Cellulose xanthate
- C08L1/24—Viscose
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Artificial Filaments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441598A true BE441598A (d) |
Family
ID=99051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441598D BE441598A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE441598A (d) |
-
0
- BE BE441598D patent/BE441598A/fr unknown
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