CH320333A - Manufacturing process of polyvinyl alcohol - Google Patents
Manufacturing process of polyvinyl alcoholInfo
- Publication number
- CH320333A CH320333A CH320333DA CH320333A CH 320333 A CH320333 A CH 320333A CH 320333D A CH320333D A CH 320333DA CH 320333 A CH320333 A CH 320333A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing process
- polyvinyl alcohol
- polyvinyl
- alcohol
- manufacturing
- Prior art date
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 |
---|---|
CH320333A true CH320333A (en) | 1957-03-31 |
Family
ID=10332059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH320333D CH320333A (en) | 1953-06-15 | 1954-06-15 | Manufacturing process of polyvinyl alcohol |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE529529A (en) |
CH (1) | CH320333A (en) |
DE (1) | DE1025624B (en) |
FR (1) | FR1107549A (en) |
GB (1) | GB749458A (en) |
NL (2) | NL87664C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5217870B2 (en) * | 1973-01-31 | 1977-05-18 | ||
JP2542346B2 (en) * | 1987-05-30 | 1996-10-09 | 日本合成化学工業株式会社 | Method for producing high degree of polymerization polyvinyl alcohol |
DE10105656A1 (en) | 2001-02-08 | 2002-08-22 | Wacker Polymer Systems Gmbh | Process for the production of polyvinyl alcohol |
CN112707987A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | Ethylene-vinyl alcohol copolymer and method for producing the same |
CN114276478B (en) * | 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 | Preparation method and device of polyvinyl alcohol with high alcoholysis degree |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR994168A (en) * | 1948-02-19 | 1951-11-13 | Shawinigan Chem Ltd | Process for preparing polyvinyl alcohol |
-
0
- NL NLAANVRAGE8601973,B patent/NL188174B/en 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/en active Pending
- 1954-06-14 FR FR1107549D patent/FR1107549A/en not_active Expired
- 1954-06-15 CH CH320333D patent/CH320333A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1025624B (en) | 1958-03-06 |
BE529529A (en) | |
GB749458A (en) | 1956-05-23 |
NL188174B (en) | |
FR1107549A (en) | 1956-01-03 |
NL87664C (en) |
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