CH310258A - Verfahren zur Herstellung von acetylgruppenhaltigem Formacetal des Polyvinylalkohols. - Google Patents
Verfahren zur Herstellung von acetylgruppenhaltigem Formacetal des Polyvinylalkohols.Info
- Publication number
- CH310258A CH310258A CH310258DA CH310258A CH 310258 A CH310258 A CH 310258A CH 310258D A CH310258D A CH 310258DA CH 310258 A CH310258 A CH 310258A
- Authority
- CH
- Switzerland
- Prior art keywords
- polyvinyl alcohol
- amount
- weight
- acetic acid
- acetyl
- Prior art date
Links
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 title claims description 26
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims description 22
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims description 22
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 66
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 30
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 12
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 239000012429 reaction media Substances 0.000 claims description 2
- 229960000583 acetic acid Drugs 0.000 description 21
- 239000000203 mixture Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000007127 saponification reaction Methods 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000012362 glacial acetic acid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000006359 acetalization reaction Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/28—Condensation with aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE310258X | 1951-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH310258A true CH310258A (de) | 1955-10-15 |
Family
ID=6123409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH310258D CH310258A (de) | 1951-10-13 | 1952-07-08 | Verfahren zur Herstellung von acetylgruppenhaltigem Formacetal des Polyvinylalkohols. |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE513034A (en(2012)) |
| CH (1) | CH310258A (en(2012)) |
-
0
- BE BE513034D patent/BE513034A/xx unknown
-
1952
- 1952-07-08 CH CH310258D patent/CH310258A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE513034A (en(2012)) |
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