GB1231531A - - Google Patents
Info
- Publication number
- GB1231531A GB1231531A GB1231531DA GB1231531A GB 1231531 A GB1231531 A GB 1231531A GB 1231531D A GB1231531D A GB 1231531DA GB 1231531 A GB1231531 A GB 1231531A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alcohol
- polyvinyl
- ester
- mixture
- solution
- 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
- 229920001290 polyvinyl ester Polymers 0.000 abstract 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- 238000006136 alcoholysis reaction Methods 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 3
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 3
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 abstract 2
- 239000006227 byproduct Substances 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 230000003301 hydrolyzing effect Effects 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 239000011877 solvent mixture Substances 0.000 abstract 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 abstract 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000012527 feed solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920002689 polyvinyl acetate Polymers 0.000 abstract 1
- 239000011118 polyvinyl acetate Substances 0.000 abstract 1
- 239000002002 slurry 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)
- Processes Of Treating Macromolecular Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70745068A | 1968-02-23 | 1968-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1231531A true GB1231531A (enExample) | 1971-05-12 |
Family
ID=24841750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1231531D Expired GB1231531A (enExample) | 1968-02-23 | 1969-02-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3487060A (enExample) |
| BE (1) | BE728741A (enExample) |
| DE (1) | DE1909170B2 (enExample) |
| FR (1) | FR2002543A1 (enExample) |
| GB (1) | GB1231531A (enExample) |
| NL (1) | NL6902843A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH503781A (de) * | 1968-05-15 | 1971-02-28 | Sandoz Ag | Verfahren zur Herstellung von basischen Farbstoffen |
| DE3000750C2 (de) * | 1980-01-10 | 1986-10-30 | Wacker-Chemie GmbH, 8000 München | Verfahren zur Herstellung von Polyvinylalkohol |
| DE3026144A1 (de) * | 1980-07-10 | 1982-02-18 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von polyvinylalkohol und danach erhaltener polyvinylalkohol |
| JP2542346B2 (ja) * | 1987-05-30 | 1996-10-09 | 日本合成化学工業株式会社 | 高重合度ポリビニルアルコ−ルの製造法 |
| 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 |
| 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 |
| DE102013225178A1 (de) | 2013-12-06 | 2015-06-11 | Wacker Chemie Ag | Verfahren zur Herstellung von Polyvinylalkohol |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734048A (en) * | 1950-04-22 | 1956-02-07 | Chsoh | |
| US3296236A (en) * | 1962-05-31 | 1967-01-03 | Du Pont | Production of granular polyvinyl alcohol |
-
1968
- 1968-02-23 US US707450A patent/US3487060A/en not_active Expired - Lifetime
-
1969
- 1969-02-21 BE BE728741D patent/BE728741A/xx not_active IP Right Cessation
- 1969-02-24 GB GB1231531D patent/GB1231531A/en not_active Expired
- 1969-02-24 FR FR6904652A patent/FR2002543A1/fr not_active Withdrawn
- 1969-02-24 NL NL6902843A patent/NL6902843A/xx unknown
- 1969-02-24 DE DE19691909170 patent/DE1909170B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6902843A (enExample) | 1969-08-26 |
| DE1909170A1 (de) | 1969-09-11 |
| DE1909170B2 (de) | 1971-03-18 |
| US3487060A (en) | 1969-12-30 |
| BE728741A (enExample) | 1969-08-21 |
| FR2002543A1 (enExample) | 1969-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |