DE69905208T2 - Kontinuierliches Verfahren zur Herstellung von Polyvinylacetat zum Herstellen von Polyvinylalkohol - Google Patents
Kontinuierliches Verfahren zur Herstellung von Polyvinylacetat zum Herstellen von PolyvinylalkoholInfo
- Publication number
- DE69905208T2 DE69905208T2 DE69905208T DE69905208T DE69905208T2 DE 69905208 T2 DE69905208 T2 DE 69905208T2 DE 69905208 T DE69905208 T DE 69905208T DE 69905208 T DE69905208 T DE 69905208T DE 69905208 T2 DE69905208 T2 DE 69905208T2
- Authority
- DE
- Germany
- Prior art keywords
- vinyl acetate
- poly
- solvent
- melt
- paste
- 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 - Lifetime
Links
- 239000011118 polyvinyl acetate Substances 0.000 title claims description 118
- 229920002689 polyvinyl acetate Polymers 0.000 title claims description 118
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000010924 continuous production Methods 0.000 title claims 2
- 239000004372 Polyvinyl alcohol Substances 0.000 title description 2
- -1 poly(vinyl alcohol) Polymers 0.000 claims description 240
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 87
- 239000002904 solvent Substances 0.000 claims description 68
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 238000006116 polymerization reaction Methods 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 19
- 238000007127 saponification reaction Methods 0.000 claims description 19
- 239000003039 volatile agent Substances 0.000 claims description 14
- 230000003301 hydrolyzing effect Effects 0.000 claims description 13
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 18
- 239000000178 monomer Substances 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 16
- 239000000243 solution Substances 0.000 description 14
- 238000013022 venting Methods 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 238000007701 flash-distillation Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000012527 feed solution Substances 0.000 description 3
- 239000012456 homogeneous solution Substances 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 239000010409 thin film 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
- C08F8/12—Hydrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 |
|---|---|---|---|
| US09/038,544 US6054530A (en) | 1998-03-11 | 1998-03-11 | Continuous process for the preparation of poly(vinyl acetate) for poly(vinyl alcohol) production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69905208D1 DE69905208D1 (de) | 2003-03-13 |
| DE69905208T2 true DE69905208T2 (de) | 2003-11-13 |
Family
ID=21900548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69905208T Expired - Lifetime DE69905208T2 (de) | 1998-03-11 | 1999-03-08 | Kontinuierliches Verfahren zur Herstellung von Polyvinylacetat zum Herstellen von Polyvinylalkohol |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6054530A (enExample) |
| EP (1) | EP0942008B1 (enExample) |
| JP (1) | JPH11315113A (enExample) |
| DE (1) | DE69905208T2 (enExample) |
| ES (1) | ES2192352T3 (enExample) |
| SG (1) | SG71200A1 (enExample) |
| TW (1) | TW470754B (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6451967B1 (en) * | 1999-09-20 | 2002-09-17 | Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha | Method of drying saponified ethylene-vinyl acetate copolymers |
| DE10105656A1 (de) | 2001-02-08 | 2002-08-22 | Wacker Polymer Systems Gmbh | Verfahren zur Herstellung von Polyvinylalkohol |
| US9266301B2 (en) | 2005-06-30 | 2016-02-23 | Nalco Company | Method to adhere and dislodge crepe paper |
| US9223238B2 (en) * | 2013-06-18 | 2015-12-29 | Xerox Corporation | Production of latex using a wipe film evaporator |
| CN103554314B (zh) * | 2013-11-08 | 2015-12-02 | 安徽皖维集团有限责任公司 | 一种高纯度聚乙烯醇的生产方法 |
| CN104017116A (zh) * | 2014-06-11 | 2014-09-03 | 天华化工机械及自动化研究设计院有限公司 | 聚乙烯醇反应装置 |
| CN106084099B (zh) * | 2016-08-17 | 2018-09-04 | 中国石化长城能源化工（宁夏）有限公司 | 一种有效降低聚合精馏能耗和提高操作稳定性的系统装置 |
| JP2025540543A (ja) * | 2022-12-21 | 2025-12-15 | 株式会社クラレ | ビニルエステル系共重合体の製造方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1301539B (de) * | 1966-07-29 | 1969-08-21 | Bayer Ag | Verfahren zur Herstellung von verseiften AEthylen-Vinylacetat-Copolymerisaten |
| US4198265A (en) * | 1977-11-30 | 1980-04-15 | The Firestone Tire & Rubber Company | Method of removing volatiles from an elastomer |
| US4338405A (en) * | 1980-12-12 | 1982-07-06 | E. I. Du Pont De Nemours And Company | Process for continuous controlled alcoholysis of polyvinyl acetate |
| JPS5894432A (ja) * | 1981-11-28 | 1983-06-04 | バスフ アクチエンゲゼルシヤフト | ビニルアルコ−ル重合体から平面状成形体を製造する方法 |
| FR2567894B1 (fr) * | 1984-07-18 | 1986-08-08 | Atochem | Procede d'hydrolyse de polymeres comportant dans leur chaine un ester d'alcool insature |
| IT1226303B (it) * | 1988-07-26 | 1990-12-27 | Montedipe Spa | Processo ed apparato per la devolatilizzazione di soluzioni di polimeri. |
| US5051222A (en) * | 1989-09-01 | 1991-09-24 | Air Products And Chemicals, Inc. | Method for making extrudable polyvinyl alcohol compositions |
| US5028648A (en) * | 1990-07-12 | 1991-07-02 | Air Products And Chemicals, Inc. | Extrudable polyvinyl alcohol compositions containing thermoplastic polyurethane |
| US5635568A (en) * | 1995-08-17 | 1997-06-03 | Isp Investments Inc. | Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups |
| DE19602901A1 (de) * | 1996-01-27 | 1997-08-07 | Hoechst Ag | Verfahren zur Herstellung von Polyvinylalkohol |
-
1998
- 1998-03-11 US US09/038,544 patent/US6054530A/en not_active Expired - Lifetime
-
1999
- 1999-03-01 SG SG1999001280A patent/SG71200A1/en unknown
- 1999-03-05 TW TW088103438A patent/TW470754B/zh active
- 1999-03-08 EP EP99103949A patent/EP0942008B1/en not_active Expired - Lifetime
- 1999-03-08 ES ES99103949T patent/ES2192352T3/es not_active Expired - Lifetime
- 1999-03-08 DE DE69905208T patent/DE69905208T2/de not_active Expired - Lifetime
- 1999-03-10 JP JP11062793A patent/JPH11315113A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0942008A1 (en) | 1999-09-15 |
| EP0942008B1 (en) | 2003-02-05 |
| TW470754B (en) | 2002-01-01 |
| SG71200A1 (en) | 2000-03-21 |
| JPH11315113A (ja) | 1999-11-16 |
| US6054530A (en) | 2000-04-25 |
| ES2192352T3 (es) | 2003-10-01 |
| DE69905208D1 (de) | 2003-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SEKISUI SPECIALTY CHEMICALS AMERICA, LLC, DALL, US |