ES2064734T3 - Proceso para la produccion en emulsion acuosa de mezclas de alcoholes de polivinil y los respectivos productos que se obtienen. - Google Patents
Proceso para la produccion en emulsion acuosa de mezclas de alcoholes de polivinil y los respectivos productos que se obtienen.Info
- Publication number
- ES2064734T3 ES2064734T3 ES90907376T ES90907376T ES2064734T3 ES 2064734 T3 ES2064734 T3 ES 2064734T3 ES 90907376 T ES90907376 T ES 90907376T ES 90907376 T ES90907376 T ES 90907376T ES 2064734 T3 ES2064734 T3 ES 2064734T3
- Authority
- ES
- Spain
- Prior art keywords
- pvac
- alcoholisis
- pva
- stopping
- water
- 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
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 239000000839 emulsion Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 title 1
- 229920002689 polyvinyl acetate Polymers 0.000 abstract 6
- 239000011118 polyvinyl acetate Substances 0.000 abstract 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 239000013557 residual solvent Substances 0.000 abstract 1
- 238000007127 saponification reaction Methods 0.000 abstract 1
- 238000005809 transesterification reaction Methods 0.000 abstract 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
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/004—Scale prevention in a polymerisation reactor or its auxiliary parts by a prior coating on the reactor walls
-
- 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
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PROCESO PARA LA PREPARACION DE UNA EMULSION ACUOSA DE DOS O MAS ALCOHOLES POLIVINILICOS (PVA), PARA LA PRODUCCION DE POLIVINILCLORIDO (PVC-S) EN SUSPENSION ACUOSA, EN DONDE POR LO MENOS UN PRIMER POLIVINILACETATO (PVAC), CON UN PESO MOLECULAR MEDIDO EN UN VALOR K Y COMPRENDIDO ENTRE 30 Y 110, UTILIZA PREFERENTEMENTE 50, CON UNA TECNICA DE ALCOHOLISIS ACIDA O BASICA, PARA LLEVAR A CABO LA TRANSESTERIFICACION DEL PVAC POR ENCIMA DE VALORES DEL NUMERO DE SAPONIFICACION (NS), COMPRENDIDO ENTRE 598 Y 135, PREFERENTEMENTE ENTRE 598 Y 312, OPTIMAMENTE 511; INTERVALOS DE CARGA DE 0.1 A 5, PREFERENTEMENTE 0.7 INTERVALOS POR PESO RESPECTO AL PRIMER PVAC, DE POR LO MENOS UN SEGUNDO PVAC EN SOLUCION DE ALCOHOL ETILICO O METILICO, TENIENDO UN PESO MOLECULAR MEDIDO EN UN VALOR K, QUE COMPRENDE ENTRE 10 Y 110, PREFERENTEMENTE 10 Y 50, OPTIMAMENTE 27; PARANDO LA ALCOHOLISIS EN ORDEN QUE, EN LA SOLUCION FINAL ALCOHOLICA, LOS RESPECTIVOS PVAC RESULTANTES ESTEN PERFECTAMENTE MEZCLADOS EN ORDEN DE OBTENER: A)POR LO MENOS UN PRIMER PVA, CON UN NUMERO DE SAPONIFICACION COMPRENDIDO ENTRE 230 Y 95, PREFERENTEMENTE 230 SOLUBLE AL AGUA; POR LO MENOS UN SEGUNDO PVA, CON UN NS COMPRENDIDO ENTRE 598 Y 312, PREFERENTEMENTE 480, INSOLUBLE AL AGUA; DESTILANDO, DURANTE LA PARALIZACION DE LA ALCOHOLISIS O SU TERMINACION, LOS SOLVENTES RESIDUALES , ASOCIANDO AGUA DESPUES DE LA PARALIZACION DE LA ALCOHOLISIS, CON EL PROPOSITO DE OBTENER LA COAGULACION EN EL AGUA DEL SEGUNDO PVA, EN FORMA DE MICROPARTICULAS CON UNA DISTRIBUCION GRANULOMETRICA COMPRENDIDA ENTRE 0.01 Y 10 MICRAS.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8983427A IT1235098B (it) | 1989-06-15 | 1989-06-15 | Procedimento per la produzione in emulsione acquosa di miscele di alcoli polivinilici e prodotti cosi' ottenuti. |
| EP91830032A EP0498142A1 (en) | 1989-06-15 | 1991-02-05 | An anti-crust decolorized material for the polymerization of the chlorinated olefinic monomers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2064734T3 true ES2064734T3 (es) | 1995-02-01 |
Family
ID=40193857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90907376T Expired - Lifetime ES2064734T3 (es) | 1989-06-15 | 1990-05-17 | Proceso para la produccion en emulsion acuosa de mezclas de alcoholes de polivinil y los respectivos productos que se obtienen. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5397815A (es) |
| EP (2) | EP0477193B1 (es) |
| JP (1) | JPH0819179B2 (es) |
| AT (1) | ATE110393T1 (es) |
| AU (1) | AU5642390A (es) |
| DE (1) | DE69011860T2 (es) |
| ES (1) | ES2064734T3 (es) |
| IT (1) | IT1235098B (es) |
| WO (2) | WO1990015827A1 (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69501137T2 (de) | 1994-09-14 | 1998-04-09 | Shinetsu Chemical Co | Verfahren zur Herstellung von einem Vinyl-Chlorid-Typ Polymer |
| JP3805427B2 (ja) * | 1996-05-31 | 2006-08-02 | 株式会社クラレ | ポリビニルアルコール粉末 |
| US5910420A (en) * | 1996-08-16 | 1999-06-08 | Orion-Yhtyma Oy Orion Diagnostica | Method and test kit for pretreatment of object surfaces |
| BRPI0618110A2 (pt) * | 2005-10-31 | 2011-08-16 | Casey Jenkins | aquecedor de cobertas portátil |
| JP5705056B2 (ja) * | 2011-07-28 | 2015-04-22 | 日本合成化学工業株式会社 | ポリビニルアルコール系重合体粒子の製造方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE581154A (es) * | 1958-12-17 | |||
| IT1160355B (it) * | 1978-12-15 | 1987-03-11 | Sigma Italiana Prod Chimici | Procedimento perfezionato per la produzione di cloruro di polivinile |
| DE2734656A1 (de) * | 1977-08-01 | 1979-02-22 | Wacker Chemie Gmbh | Waessrige vinylchlorid-copolymerdispersionen, deren herstellung und verwendung |
| US4200708A (en) * | 1978-08-17 | 1980-04-29 | National Distillers And Chemical Corporation | Process for sequentially dispersing and saponifying ethylene-vinyl acetate copolymer |
| NL8000707A (nl) * | 1980-02-05 | 1981-09-01 | Stamicarbon | Vinylchloridepolymeren. |
| DE3026144A1 (de) * | 1980-07-10 | 1982-02-18 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von polyvinylalkohol und danach erhaltener polyvinylalkohol |
| FR2523979A1 (fr) * | 1982-03-26 | 1983-09-30 | Chloe Chemie | Procede de traitement d'un reacteur de polymerisation |
| DE3227090A1 (de) * | 1982-07-20 | 1984-01-26 | Wacker-Chemie GmbH, 8000 München | Verfahren zur herstellung von polymerdispersionen und ihre verwendung |
| NL8301463A (nl) * | 1983-04-26 | 1984-11-16 | Stamicarbon | Vinylchloridepolymeren. |
| JPH0660209B2 (ja) * | 1985-04-12 | 1994-08-10 | 東ソー株式会社 | ビニル系単量体の重合法 |
| JPH0660210B2 (ja) * | 1985-04-12 | 1994-08-10 | 東ソー株式会社 | ビニル系単量体の重合法 |
| IT1189869B (it) * | 1986-01-28 | 1988-02-10 | Paolo Carlin | Procedimento per la produzione in alcool etilico di un polivinile acetato |
| IT1210541B (it) * | 1986-02-17 | 1989-09-14 | Paolo Carlin | Procedimento per la produzione in emulsione acquosa di polivinile acetato parzialmente idrolizzato. |
| IT1205543B (it) * | 1986-12-24 | 1989-03-23 | C I R S Cie Italiana Ricerca E | Agente anti-incrostante per la polimerizzazione di monomeri olefinici clorurati |
-
1989
- 1989-06-15 IT IT8983427A patent/IT1235098B/it active
-
1990
- 1990-05-17 US US07/778,230 patent/US5397815A/en not_active Expired - Lifetime
- 1990-05-17 AU AU56423/90A patent/AU5642390A/en not_active Abandoned
- 1990-05-17 ES ES90907376T patent/ES2064734T3/es not_active Expired - Lifetime
- 1990-05-17 AT AT90907376T patent/ATE110393T1/de active
- 1990-05-17 WO PCT/IT1990/000052 patent/WO1990015827A1/en not_active Ceased
- 1990-05-17 DE DE69011860T patent/DE69011860T2/de not_active Expired - Fee Related
- 1990-05-17 EP EP90907376A patent/EP0477193B1/en not_active Expired - Lifetime
- 1990-05-17 JP JP2507423A patent/JPH0819179B2/ja not_active Expired - Fee Related
-
1991
- 1991-02-05 EP EP91830032A patent/EP0498142A1/en not_active Withdrawn
- 1991-07-17 WO PCT/IT1991/000061 patent/WO1992013897A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1990015827A1 (en) | 1990-12-27 |
| JPH0819179B2 (ja) | 1996-02-28 |
| AU5642390A (en) | 1991-01-08 |
| DE69011860T2 (de) | 1995-04-13 |
| US5397815A (en) | 1995-03-14 |
| IT8983427A0 (it) | 1989-06-15 |
| DE69011860D1 (de) | 1994-09-29 |
| IT1235098B (it) | 1992-06-18 |
| EP0477193B1 (en) | 1994-08-24 |
| EP0477193A1 (en) | 1992-04-01 |
| WO1992013897A1 (en) | 1992-08-20 |
| JPH04506086A (ja) | 1992-10-22 |
| EP0498142A1 (en) | 1992-08-12 |
| ATE110393T1 (de) | 1994-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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