BE337058A - - Google Patents
Info
- Publication number
- BE337058A BE337058A BE337058DA BE337058A BE 337058 A BE337058 A BE 337058A BE 337058D A BE337058D A BE 337058DA BE 337058 A BE337058 A BE 337058A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulosic materials
- cellulose
- air
- acid
- acetylation
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 36
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 20
- 150000007524 organic acids Chemical class 0.000 claims description 17
- 229920002678 cellulose Polymers 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 15
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 14
- 235000019253 formic acid Nutrition 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 230000021736 acetylation Effects 0.000 claims description 13
- 238000006640 acetylation reaction Methods 0.000 claims description 13
- 239000001913 cellulose Substances 0.000 claims description 12
- 230000032050 esterification Effects 0.000 claims description 9
- 238000005886 esterification reaction Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 229920002301 cellulose acetate Polymers 0.000 claims description 5
- 235000005985 organic acids Nutrition 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000012084 conversion product Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 229920000742 Cotton Polymers 0.000 description 7
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension 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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE337058A true BE337058A (enrdf_load_stackoverflow) |
Family
ID=15241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE337058D BE337058A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE337058A (enrdf_load_stackoverflow) |
-
0
- BE BE337058D patent/BE337058A/fr unknown