GB1168757A - Process for the Manufacture of Polyvinyl Alcohol. - Google Patents
Process for the Manufacture of Polyvinyl Alcohol.Info
- Publication number
- GB1168757A GB1168757A GB4280268A GB4280268A GB1168757A GB 1168757 A GB1168757 A GB 1168757A GB 4280268 A GB4280268 A GB 4280268A GB 4280268 A GB4280268 A GB 4280268A GB 1168757 A GB1168757 A GB 1168757A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyvinyl alcohol
- manufacture
- sept
- alcoholysis
- mixture
- 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
- 239000004372 Polyvinyl alcohol Substances 0.000 title abstract 2
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 238000006136 alcoholysis reaction Methods 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000008240 homogeneous mixture Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
- 229920002689 polyvinyl acetate Polymers 0.000 abstract 1
- 239000011118 polyvinyl acetate Substances 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671720709 DE1720709C3 (de) | 1967-09-09 | 1967-09-09 | Verfahren zur kontinuierlichen Herstellung von Polyvinylalkohol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1168757A true GB1168757A (en) | 1969-10-29 |
Family
ID=5689824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4280268A Expired GB1168757A (en) | 1967-09-09 | 1968-09-09 | Process for the Manufacture of Polyvinyl Alcohol. |
Country Status (5)
| Country | Link |
|---|---|
| CS (1) | CS150962B2 (enrdf_load_stackoverflow) |
| FR (1) | FR1577948A (enrdf_load_stackoverflow) |
| GB (1) | GB1168757A (enrdf_load_stackoverflow) |
| PL (1) | PL80323B1 (enrdf_load_stackoverflow) |
| RO (1) | RO57506A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032572A1 (de) * | 1980-01-11 | 1981-07-29 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung einer Polyvinylalkohol-Komplexverbindung und danach hergestellte Polyvinylalkohol-Komplexverbindung |
| US4323492A (en) | 1978-03-23 | 1982-04-06 | Hoechst Aktiengesellschaft | Plasticizer containing polyvinyl alcohol granules |
| US5914369A (en) * | 1996-01-27 | 1999-06-22 | Clariant Gmbh | Process for the preparation of polyvinyl alcohol |
| CN112592418A (zh) * | 2020-12-14 | 2021-04-02 | 安徽皖维高新材料股份有限公司 | 一种光学膜专用聚乙烯醇的制备方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2251603A1 (de) * | 1972-10-20 | 1974-04-25 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen umesterung von polyvinylacetat |
-
1968
- 1968-09-06 CS CS626968A patent/CS150962B2/cs unknown
- 1968-09-07 PL PL12895868A patent/PL80323B1/pl unknown
- 1968-09-09 FR FR1577948D patent/FR1577948A/fr not_active Expired
- 1968-09-09 RO RO5771068A patent/RO57506A/ro unknown
- 1968-09-09 GB GB4280268A patent/GB1168757A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323492A (en) | 1978-03-23 | 1982-04-06 | Hoechst Aktiengesellschaft | Plasticizer containing polyvinyl alcohol granules |
| US4542178A (en) * | 1978-03-23 | 1985-09-17 | Hoechst Aktiengesellschaft | Plasticizer-containing polyvinyl alcohol granules |
| EP0032572A1 (de) * | 1980-01-11 | 1981-07-29 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung einer Polyvinylalkohol-Komplexverbindung und danach hergestellte Polyvinylalkohol-Komplexverbindung |
| US4331781A (en) | 1980-01-11 | 1982-05-25 | Hoechst Aktiengesellschaft | Process for the preparation of a polyvinyl alcohol complex compound in the presence of an organic boric acid derivative |
| US5914369A (en) * | 1996-01-27 | 1999-06-22 | Clariant Gmbh | Process for the preparation of polyvinyl alcohol |
| CN112592418A (zh) * | 2020-12-14 | 2021-04-02 | 安徽皖维高新材料股份有限公司 | 一种光学膜专用聚乙烯醇的制备方法 |
| CN112592418B (zh) * | 2020-12-14 | 2023-10-27 | 安徽皖维高新材料股份有限公司 | 一种光学膜专用聚乙烯醇的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| PL80323B1 (enrdf_load_stackoverflow) | 1975-08-30 |
| RO57506A (enrdf_load_stackoverflow) | 1975-01-15 |
| CS150962B2 (enrdf_load_stackoverflow) | 1973-09-17 |
| FR1577948A (enrdf_load_stackoverflow) | 1969-08-08 |
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