ES8204744A1 - Procedimiento para la preparacion de poli(alcohol vinilico) - Google Patents
Procedimiento para la preparacion de poli(alcohol vinilico)Info
- Publication number
- ES8204744A1 ES8204744A1 ES503676A ES503676A ES8204744A1 ES 8204744 A1 ES8204744 A1 ES 8204744A1 ES 503676 A ES503676 A ES 503676A ES 503676 A ES503676 A ES 503676A ES 8204744 A1 ES8204744 A1 ES 8204744A1
- Authority
- ES
- Spain
- Prior art keywords
- polyvinyl alcohol
- polyvinyl
- alcoholysis
- alkali metal
- manufacture
- 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
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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE POLI(ALCOHOL VINILICO). CONSISTE EN LA DISOLUCION DE UN POLI(ESTER VINILICO), CON UN GRADO DE POLIMERIZACION DE 400 A 10000, EN UN ALCOHOL INFERIOR, EN EL INTERIOR DE UN REACTOR CON DISPOSITIVOS DE CALEFACCION Y DE REFRIGERACION; MEZCLA DE ESTA DISOLUCION A UNA TEMPERATURA ENTRE 3/ Y 60 GRADOS CENTIGRADOS CON UNA DISOLUCION DE UN CATALIZADOR, TAL COMO UN HIDROXIDO O UN ALCOHOLATO DE METAL ALCALINO, EN UN ALCANOL INFERIOR, Y CALENTAMIENTO A UNA TEMPERATURA ENTRE 70 Y 150 GRADOS CENTIGRADOS. EL POLI(ALCOHOL VINILICO) OBTENIDO SE ENFRIA, NEUTRALIZA, LAVA Y SECA. ESTE PRODUCTO TIENE APLICACIONES PARA LA FABRICACION DE PLACAS, TUBOS, PERFILES, FIBRAS Y LAMINAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803026144 DE3026144A1 (de) | 1980-07-10 | 1980-07-10 | Verfahren zur herstellung von polyvinylalkohol und danach erhaltener polyvinylalkohol |
Publications (2)
Publication Number | Publication Date |
---|---|
ES503676A0 ES503676A0 (es) | 1982-06-01 |
ES8204744A1 true ES8204744A1 (es) | 1982-06-01 |
Family
ID=6106871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES503676A Expired ES8204744A1 (es) | 1980-07-10 | 1981-07-03 | Procedimiento para la preparacion de poli(alcohol vinilico) |
Country Status (9)
Country | Link |
---|---|
US (1) | US4401790A (es) |
EP (1) | EP0044027B1 (es) |
JP (1) | JPS5747310A (es) |
BR (1) | BR8104392A (es) |
DD (1) | DD202035A5 (es) |
DE (2) | DE3026144A1 (es) |
ES (1) | ES8204744A1 (es) |
MX (1) | MX159419A (es) |
SU (1) | SU1477249A3 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1189869B (it) * | 1986-01-28 | 1988-02-10 | Paolo Carlin | Procedimento per la produzione in alcool etilico di un polivinile acetato |
JPS63120702A (ja) * | 1986-11-10 | 1988-05-25 | Agency Of Ind Science & Technol | 収縮性高分子材料の製造法 |
US4753761A (en) * | 1986-11-10 | 1988-06-28 | Agency Of Industrial Science & Technology | Method for production of expansible macromolecular material and porous macromolecular membrane |
IT1235098B (it) * | 1989-06-15 | 1992-06-18 | Francesco Carlin | Procedimento per la produzione in emulsione acquosa di miscele di alcoli polivinilici e prodotti cosi' ottenuti. |
JP3093351B2 (ja) * | 1991-08-06 | 2000-10-03 | 日本合成化学工業株式会社 | 塩化ビニルの懸濁重合用分散安定剤、その製造法及び塩化ビニルの懸濁重合法 |
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 |
CN1050393C (zh) * | 1996-06-03 | 2000-03-15 | 兰州维尼纶厂 | Pvac直接醇解纺制pva纤维的工业化生产方法 |
JP4707868B2 (ja) * | 2000-06-16 | 2011-06-22 | 日本合成化学工業株式会社 | ビニルアルコール−ビニルアミン共重合体の製造法 |
DE10105656A1 (de) | 2001-02-08 | 2002-08-22 | Wacker Polymer Systems Gmbh | Verfahren zur Herstellung von Polyvinylalkohol |
JP4087321B2 (ja) * | 2003-09-17 | 2008-05-21 | 株式会社クラレ | ポリビニルアルコール系重合体およびその製造方法 |
DE102004062200A1 (de) * | 2004-12-23 | 2006-07-13 | Basf Ag | Verfahren zur Herstellung von Polyvinylalkohol-Polyether-Pfropfcopolymeren durch Extrusion |
KR100837687B1 (ko) * | 2005-12-01 | 2008-06-13 | 주식회사 코오롱 | 압출기를 이용한 폴리비닐알코올의 제조방법, 및 이로부터제조되는 고검화형 폴리비닐알코올 |
JP6501761B2 (ja) | 2013-05-21 | 2019-04-17 | サン ケミカル コーポレイション | アセタール化したポリビニルアルコールのバリアコーティング材 |
DE102013225178A1 (de) | 2013-12-06 | 2015-06-11 | Wacker Chemie Ag | Verfahren zur Herstellung von Polyvinylalkohol |
TWI522373B (zh) * | 2015-01-27 | 2016-02-21 | 長春石油化學股份有限公司 | 聚乙烯醇及其純化方法 |
CN112094366A (zh) * | 2020-09-27 | 2020-12-18 | 安徽皖维高新材料股份有限公司 | 一种易溶解絮状聚乙烯醇的制备方法 |
CN116003670A (zh) * | 2021-10-21 | 2023-04-25 | 中国石油化工股份有限公司 | 有机碱在改善聚乙烯醇成型性中的应用 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE427994A (es) * | 1937-05-10 | |||
US2502715A (en) * | 1948-02-19 | 1950-04-04 | Shawinigan Chem Ltd | Process for the production of polyvinyl alcohol by alkaline alcoholysis |
US2779752A (en) * | 1953-11-18 | 1957-01-29 | Du Pont | Apparatus for chemical reactions passing through viscous phase |
US2950271A (en) * | 1954-06-29 | 1960-08-23 | Du Pont | Alcoholysis of polyvinyl acetate |
US3278505A (en) * | 1963-10-07 | 1966-10-11 | Kurashiki Rayon Co | Process for producing polyvinyl acetate polymers |
US3547858A (en) * | 1967-05-19 | 1970-12-15 | Monsanto Chemicals | Hydrolysis of esters in the molten state |
US3487060A (en) * | 1968-02-23 | 1969-12-30 | Du Pont | Production of granular polyvinyl alcohol |
US3541069A (en) * | 1968-04-29 | 1970-11-17 | Du Pont | Preparation of highly alcoholyzed polyvinyl alcohol |
US3697495A (en) * | 1970-08-05 | 1972-10-10 | Du Pont | Preparation of polyvinyl alcohol having improved color properties by treating the polyvinyl ester with ozone |
-
1980
- 1980-07-10 DE DE19803026144 patent/DE3026144A1/de not_active Withdrawn
-
1981
- 1981-07-03 ES ES503676A patent/ES8204744A1/es not_active Expired
- 1981-07-08 DE DE8181105284T patent/DE3169669D1/de not_active Expired
- 1981-07-08 DD DD81231587A patent/DD202035A5/de not_active IP Right Cessation
- 1981-07-08 EP EP81105284A patent/EP0044027B1/de not_active Expired
- 1981-07-08 US US06/281,349 patent/US4401790A/en not_active Expired - Fee Related
- 1981-07-09 JP JP56106309A patent/JPS5747310A/ja active Granted
- 1981-07-09 SU SU813307348A patent/SU1477249A3/ru active
- 1981-07-09 BR BR8104392A patent/BR8104392A/pt not_active IP Right Cessation
- 1981-07-10 MX MX188254A patent/MX159419A/es unknown
Also Published As
Publication number | Publication date |
---|---|
ES503676A0 (es) | 1982-06-01 |
BR8104392A (pt) | 1982-03-30 |
JPS6259721B2 (es) | 1987-12-12 |
DD202035A5 (de) | 1983-08-24 |
US4401790A (en) | 1983-08-30 |
DE3169669D1 (en) | 1985-05-09 |
MX159419A (es) | 1989-05-29 |
EP0044027B1 (de) | 1985-04-03 |
JPS5747310A (en) | 1982-03-18 |
EP0044027A1 (de) | 1982-01-20 |
DE3026144A1 (de) | 1982-02-18 |
SU1477249A3 (ru) | 1989-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970612 |