BE347294A - - Google Patents
Info
- Publication number
- BE347294A BE347294A BE347294DA BE347294A BE 347294 A BE347294 A BE 347294A BE 347294D A BE347294D A BE 347294DA BE 347294 A BE347294 A BE 347294A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- cotton
- bath
- concentration
- mass
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 229920002678 cellulose Polymers 0.000 claims description 14
- 239000001913 cellulose Substances 0.000 claims description 14
- 238000007792 addition Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000032050 esterification Effects 0.000 claims description 5
- 238000005886 esterification reaction Methods 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 3
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000012345 acetylating agent Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 14
- 241000219146 Gossypium Species 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000021736 acetylation Effects 0.000 description 6
- 238000006640 acetylation reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 150000008064 anhydrides Chemical class 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 244000043158 Lens esculenta Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 230000000397 acetylating effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000021251 pulses Nutrition 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting 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
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/02—Rendering cellulose suitable for esterification
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 |
|---|---|
| BE347294A true BE347294A (d) |
Family
ID=22983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347294D BE347294A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE347294A (d) |
-
0
- BE BE347294D patent/BE347294A/fr unknown
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