CH291202A - Verfahren zur Herstellung von Polyvinylalkohol-Butyraldehydacetalen. - Google Patents
Verfahren zur Herstellung von Polyvinylalkohol-Butyraldehydacetalen.Info
- Publication number
- CH291202A CH291202A CH291202DA CH291202A CH 291202 A CH291202 A CH 291202A CH 291202D A CH291202D A CH 291202DA CH 291202 A CH291202 A CH 291202A
- Authority
- CH
- Switzerland
- Prior art keywords
- acetic acid
- acetalization
- water
- polyvinyl alcohol
- carried out
- Prior art date
Links
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims description 30
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 26
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 title claims description 21
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- -1 butyraldehyde acetals Chemical class 0.000 title description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 87
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 29
- 238000006359 acetalization reaction Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 16
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 11
- 239000011118 polyvinyl acetate Substances 0.000 claims description 11
- 238000007127 saponification reaction Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 2
- 230000002028 premature Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 150000001241 acetals Chemical class 0.000 claims 4
- 230000001419 dependent effect Effects 0.000 claims 4
- 238000007792 addition Methods 0.000 claims 2
- 229960000583 acetic acid Drugs 0.000 description 20
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 16
- 239000000243 solution Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000005336 safety glass Substances 0.000 description 4
- 239000012362 glacial acetic acid Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000005340 laminated glass Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- MONIGHCKZUNWTN-UHFFFAOYSA-N ethyl formate;methanol Chemical compound OC.CCOC=O MONIGHCKZUNWTN-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- XPNGNIFUDRPBFJ-UHFFFAOYSA-N (2-methylphenyl)methanol Chemical compound CC1=CC=CC=C1CO XPNGNIFUDRPBFJ-UHFFFAOYSA-N 0.000 description 1
- 125000004036 acetal group Chemical group 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- ULSIYEODSMZIPX-UHFFFAOYSA-N phenylethanolamine Chemical compound NCC(O)C1=CC=CC=C1 ULSIYEODSMZIPX-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 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 |
|---|---|---|---|
| DE291202X | 1942-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH291202A true CH291202A (de) | 1953-06-15 |
Family
ID=6066569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH291202D CH291202A (de) | 1942-02-21 | 1943-02-08 | Verfahren zur Herstellung von Polyvinylalkohol-Butyraldehydacetalen. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH291202A (enrdf_load_stackoverflow) |
| NL (1) | NL64326C (enrdf_load_stackoverflow) |
-
0
- NL NL64326D patent/NL64326C/xx active
-
1943
- 1943-02-08 CH CH291202D patent/CH291202A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL64326C (enrdf_load_stackoverflow) |
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