GB1593341A - Process for the hydrolysis of ethylene/vinyl acetate copolymers - Google Patents
Process for the hydrolysis of ethylene/vinyl acetate copolymers Download PDFInfo
- Publication number
- GB1593341A GB1593341A GB47378A GB47378A GB1593341A GB 1593341 A GB1593341 A GB 1593341A GB 47378 A GB47378 A GB 47378A GB 47378 A GB47378 A GB 47378A GB 1593341 A GB1593341 A GB 1593341A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vinyl acetate
- weight
- copolymer
- ethylene
- methanol
- 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
- 229920001577 copolymer Polymers 0.000 title claims description 69
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims description 44
- 239000005977 Ethylene Substances 0.000 title claims description 44
- 238000006460 hydrolysis reaction Methods 0.000 title claims description 33
- 230000007062 hydrolysis Effects 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 28
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 93
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 31
- 239000008187 granular material Substances 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 13
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 150000001340 alkali metals Chemical class 0.000 claims description 7
- 230000003301 hydrolyzing effect Effects 0.000 claims description 7
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- WTDHULULXKLSOZ-UHFFFAOYSA-N hydroxylamine hydrochloride Substances Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 6
- WCYJQVALWQMJGE-UHFFFAOYSA-M hydroxylammonium chloride Chemical compound [Cl-].O[NH3+] WCYJQVALWQMJGE-UHFFFAOYSA-M 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000012429 reaction media Substances 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims description 5
- 150000003384 small molecules Chemical class 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 125000004185 ester group Chemical group 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical class NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 3
- 150000003940 butylamines Chemical class 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 claims description 2
- RBLWMQWAHONKNC-UHFFFAOYSA-N hydroxyazanium Chemical compound O[NH3+] RBLWMQWAHONKNC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 claims 2
- 125000002348 vinylic group Chemical group 0.000 claims 1
- 239000000047 product Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 5
- 238000010504 bond cleavage reaction Methods 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 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
- 239000003054 catalyst Substances 0.000 description 2
- -1 NaOH and KOH Chemical class 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-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
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 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
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| GB1593341A true GB1593341A (en) | 1981-07-15 |
Family
ID=5998316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47378A Expired GB1593341A (en) | 1977-01-08 | 1978-01-06 | Process for the hydrolysis of ethylene/vinyl acetate copolymers |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5385888A (enrdf_load_html_response) |
| BE (1) | BE862732A (enrdf_load_html_response) |
| DE (1) | DE2700607C2 (enrdf_load_html_response) |
| FR (1) | FR2376878A1 (enrdf_load_html_response) |
| GB (1) | GB1593341A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8301740A (nl) * | 1982-05-25 | 1983-12-16 | Kuraray Co | Werkwijze voor de bereiding van een verzeept produkt van etheen-vinylacetaatcopolymeer. |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8301740A (nl) * | 1982-05-25 | 1983-12-16 | Kuraray Co | Werkwijze voor de bereiding van een verzeept produkt van etheen-vinylacetaatcopolymeer. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2376878B1 (enrdf_load_html_response) | 1983-03-11 |
| FR2376878A1 (fr) | 1978-08-04 |
| DE2700607C2 (de) | 1982-10-14 |
| 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 |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |