DE2700607C2 - Verfahren zur partiellen Verseifung von Äthylen-Vinylacetat-Copolymerisaten - Google Patents
Verfahren zur partiellen Verseifung von Äthylen-Vinylacetat-CopolymerisatenInfo
- Publication number
- DE2700607C2 DE2700607C2 DE19772700607 DE2700607A DE2700607C2 DE 2700607 C2 DE2700607 C2 DE 2700607C2 DE 19772700607 DE19772700607 DE 19772700607 DE 2700607 A DE2700607 A DE 2700607A DE 2700607 C2 DE2700607 C2 DE 2700607C2
- Authority
- DE
- Germany
- Prior art keywords
- vinyl acetate
- ethylene
- weight
- copolymer
- acetate copolymers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 23
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title claims description 21
- 238000007127 saponification reaction Methods 0.000 title description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 54
- 229920001577 copolymer Polymers 0.000 claims description 28
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 12
- 150000001298 alcohols Chemical class 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 8
- 239000005977 Ethylene Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- 239000008187 granular material Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000012429 reaction media Substances 0.000 description 5
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- WCYJQVALWQMJGE-UHFFFAOYSA-M hydroxylammonium chloride Chemical compound [Cl-].O[NH3+] WCYJQVALWQMJGE-UHFFFAOYSA-M 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N hydroxylamine hydrochloride Substances Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- GHVZOJONCUEWAV-UHFFFAOYSA-N [K].CCO Chemical compound [K].CCO GHVZOJONCUEWAV-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 150000003940 butylamines Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005809 transesterification reaction 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
- C08F8/12—Hydrolysis
-
- 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
- C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
- C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
-
- 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
- C08F2810/00—Chemical modification of a polymer
- C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority
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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772700607 DE2700607C2 (de) | 1977-01-08 | 1977-01-08 | Verfahren zur partiellen Verseifung von Äthylen-Vinylacetat-Copolymerisaten |
| FR7739588A FR2376878A1 (fr) | 1977-01-08 | 1977-12-29 | Procede de preparation de copolymeres d'ethylene et d'acetate de vinyle presque entierement ou partiellement saponifies |
| JP30278A JPS5385888A (en) | 1977-01-08 | 1978-01-06 | Process for producing ethyleneevinyl acetal copolymer excessively or partly saponified |
| GB47378A GB1593341A (en) | 1977-01-08 | 1978-01-06 | Process for the hydrolysis of ethylene/vinyl acetate copolymers |
| BE184183A BE862732A (fr) | 1977-01-08 | 1978-01-06 | Procede de preparation de copolymeres d'ethylene et d'acetate de vinyle presque entierement ou partiellement saponifie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772700607 DE2700607C2 (de) | 1977-01-08 | 1977-01-08 | Verfahren zur partiellen Verseifung von Äthylen-Vinylacetat-Copolymerisaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2700607A1 DE2700607A1 (de) | 1978-07-13 |
| DE2700607C2 true DE2700607C2 (de) | 1982-10-14 |
Family
ID=5998316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772700607 Expired DE2700607C2 (de) | 1977-01-08 | 1977-01-08 | Verfahren zur partiellen Verseifung von Äthylen-Vinylacetat-Copolymerisaten |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5385888A (en, 2012) |
| BE (1) | BE862732A (en, 2012) |
| DE (1) | DE2700607C2 (en, 2012) |
| FR (1) | FR2376878A1 (en, 2012) |
| GB (1) | GB1593341A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL185927C (nl) * | 1982-05-25 | 1990-08-16 | Kuraray Co | Werkwijze voor het vervaardigen van een voorwerp door extrusie van een verzeept produkt en door extrusie verkregen filmvormig voorwerp. |
| DD243287A1 (de) * | 1985-12-16 | 1987-02-25 | Leuna Werke Veb | Verfahren zur herstellung von modifizierten ethen-vinylacetat-copolymeren |
| EP3181597A1 (de) * | 2015-12-15 | 2017-06-21 | Evonik Degussa GmbH | Verfahren zur herstellung von polyvinylalkohol und eines ethylen-vinylalkohol-copolymers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2862916A (en) * | 1955-08-22 | 1958-12-02 | Celanese Corp | Production of polyvinyl alcohol |
| GB1095204A (en) * | 1966-01-07 | 1967-12-13 | Monsanto Chemicals | Production of polymers containing hydroxyl groups |
| DE1595376A1 (de) * | 1966-01-18 | 1970-04-23 | Stockhausen & Cie Chem Fab | Verfahren zur Herstellung disperser,ganz oder teilweise verseifter AEthylen-Vinylacetat-Copolymerisate |
| DE1809757A1 (de) * | 1968-11-19 | 1970-05-21 | Du Pont | Suspensionsalkoholyse von AEthylen/Vinylester-Mischpolymerisaten in Stueckchenform |
-
1977
- 1977-01-08 DE DE19772700607 patent/DE2700607C2/de not_active Expired
- 1977-12-29 FR FR7739588A patent/FR2376878A1/fr active Granted
-
1978
- 1978-01-06 BE BE184183A patent/BE862732A/xx not_active IP Right Cessation
- 1978-01-06 GB GB47378A patent/GB1593341A/en not_active Expired
- 1978-01-06 JP JP30278A patent/JPS5385888A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2376878B1 (en, 2012) | 1983-03-11 |
| FR2376878A1 (fr) | 1978-08-04 |
| GB1593341A (en) | 1981-07-15 |
| BE862732A (fr) | 1978-07-06 |
| JPS5385888A (en) | 1978-07-28 |
| DE2700607A1 (de) | 1978-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |