GB749458A - Process for the production of polyvinyl alcohol - Google Patents
Process for the production of polyvinyl alcoholInfo
- Publication number
- GB749458A GB749458A GB16435/53A GB1643553A GB749458A GB 749458 A GB749458 A GB 749458A GB 16435/53 A GB16435/53 A GB 16435/53A GB 1643553 A GB1643553 A GB 1643553A GB 749458 A GB749458 A GB 749458A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- polyvinyl alcohol
- solvent
- oils
- oil
- 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
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 |
---|---|---|---|
GB320333X | 1953-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB749458A true GB749458A (en) | 1956-05-23 |
Family
ID=10332059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16435/53A Expired GB749458A (en) | 1953-06-15 | 1953-06-15 | Process for the production of polyvinyl alcohol |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE529529A (nl) |
CH (1) | CH320333A (nl) |
DE (1) | DE1025624B (nl) |
FR (1) | FR1107549A (nl) |
GB (1) | GB749458A (nl) |
NL (2) | NL87664C (nl) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3811201A1 (de) * | 1987-05-30 | 1988-12-15 | Nippon Synthetic Chem Ind | Verfahren zur herstellung von polyvinylalkohol mit hohem polymerisationsgrad |
EP1231221A1 (de) * | 2001-02-08 | 2002-08-14 | Wacker Polymer Systems GmbH & Co. KG | Verfahren zur Herstellung von Polyvinylalkohol |
CN112707987A (zh) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | 乙烯-乙烯醇共聚物及其制备方法 |
CN114276478A (zh) * | 2021-12-31 | 2022-04-05 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5217870B2 (nl) * | 1973-01-31 | 1977-05-18 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR994168A (fr) * | 1948-02-19 | 1951-11-13 | Shawinigan Chem Ltd | Procédé de préparation d'alcool polyvinylique |
-
0
- NL NLAANVRAGE8601973,B patent/NL188174B/nl unknown
- NL NL87664D patent/NL87664C/xx active
- BE BE529529D patent/BE529529A/xx unknown
-
1953
- 1953-06-15 GB GB16435/53A patent/GB749458A/en not_active Expired
-
1954
- 1954-06-10 DE DER14402A patent/DE1025624B/de active Pending
- 1954-06-14 FR FR1107549D patent/FR1107549A/fr not_active Expired
- 1954-06-15 CH CH320333D patent/CH320333A/fr unknown
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3811201A1 (de) * | 1987-05-30 | 1988-12-15 | Nippon Synthetic Chem Ind | Verfahren zur herstellung von polyvinylalkohol mit hohem polymerisationsgrad |
US4954567A (en) * | 1987-05-30 | 1990-09-04 | Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha | Process for preparing polyvinyl alcohol having high degree of polymerization |
DE3811201B4 (de) * | 1987-05-30 | 2004-04-22 | Nippon Gohsei Kagaku Kogyo K.K. | Verfahren zur Herstellung von Polyvinylalkohol mit hohem Polymerisationsgrad |
EP1231221A1 (de) * | 2001-02-08 | 2002-08-14 | Wacker Polymer Systems GmbH & Co. KG | Verfahren zur Herstellung von Polyvinylalkohol |
US6576720B2 (en) | 2001-02-08 | 2003-06-10 | Wacker Polymer Systems Gmbh & Co. Kg | Preparation of polyvinyl alcohol |
CN112707987A (zh) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | 乙烯-乙烯醇共聚物及其制备方法 |
CN114276478A (zh) * | 2021-12-31 | 2022-04-05 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
CN114276478B (zh) * | 2021-12-31 | 2024-02-02 | 内蒙古双欣高分子材料技术研究院有限公司 | 一种高醇解度聚乙烯醇的制备方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
DE1025624B (de) | 1958-03-06 |
BE529529A (nl) | |
CH320333A (fr) | 1957-03-31 |
NL188174B (nl) | |
FR1107549A (fr) | 1956-01-03 |
NL87664C (nl) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2929835A (en) | Reacting an alkylene oxide with an acrylic-type acid using an alkaline organic or inorganic catalyst | |
GB749458A (en) | Process for the production of polyvinyl alcohol | |
NL65504C (nl) | ||
ES414834A1 (es) | Procedimiento de transesterificacion de esteres insatura- dos. | |
GB903613A (en) | Improvements in or relating to the production of acetoacetic acid esters | |
GB434783A (en) | Manufacture of products of polymerisation | |
US1651666A (en) | Process of making esters | |
GB751622A (en) | Improvements in or relating to the production of emulsions of polyvinyl esters | |
GB662351A (en) | Process for the production of polyvinyl alcohol | |
GB305308A (en) | An improved manufacture of esters | |
NL97379C (nl) | ||
GB565719A (en) | Polyallyl type alcohols and process for production thereof | |
GB989476A (en) | Process for the preparation of cyclic carboxylic acids and their esters | |
GB737458A (en) | Production of alpha-acetotetronic acids | |
US2204323A (en) | Sulphation of higher alcohols | |
GB732988A (en) | Improved process for extracting valuable components from fats and oils | |
GB719513A (en) | Improved process for fractionating highly unsaturated fatty acids from less unsaturated and saturated fatty acids | |
GB599762A (en) | Production of chemical compounds | |
SU768811A1 (ru) | Состав дл жировани кож и способ его производства | |
GB755731A (en) | Preparation of formylated or acetylated fatty compounds and corresponding hydroxylated compounds, including isomers thereof | |
GB756363A (en) | Process for the separation of oxygenated aliphatic compounds from mixtures thereof with hydrocarbons | |
GB1002975A (en) | Manufacture of alcohols from esters | |
GB807616A (en) | Products having ambergris aroma and a process of making same | |
GB688703A (en) | Improvements in and relating to the stabilisation of organic compounds | |
GB650326A (en) | A continuous process for separating alcohols of high molecular weight from the soapsobtained in their preparation |