ES419817A1 - Procedimiento para la transesterificacion continua de poli (acetato de vinilo) o de copolimetros que contienen por lo menos 70% en peso de acetato de vinilo. - Google Patents
Procedimiento para la transesterificacion continua de poli (acetato de vinilo) o de copolimetros que contienen por lo menos 70% en peso de acetato de vinilo.Info
- Publication number
- ES419817A1 ES419817A1 ES73419817A ES419817A ES419817A1 ES 419817 A1 ES419817 A1 ES 419817A1 ES 73419817 A ES73419817 A ES 73419817A ES 419817 A ES419817 A ES 419817A ES 419817 A1 ES419817 A1 ES 419817A1
- Authority
- ES
- Spain
- Prior art keywords
- vinyl acetate
- poly
- reaction
- hydrolysis
- mol
- 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
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 title 1
- 238000007127 saponification reaction Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 229920001577 copolymer Polymers 0.000 abstract 2
- 230000007062 hydrolysis Effects 0.000 abstract 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract 2
- 229920002689 polyvinyl acetate Polymers 0.000 abstract 2
- 239000011118 polyvinyl acetate Substances 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 238000005809 transesterification reaction Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2251603A DE2251603A1 (de) | 1972-10-20 | 1972-10-20 | Verfahren zur kontinuierlichen umesterung von polyvinylacetat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES419817A1 true ES419817A1 (es) | 1976-03-01 |
Family
ID=5859633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES73419817A Expired ES419817A1 (es) | 1972-10-20 | 1973-10-20 | Procedimiento para la transesterificacion continua de poli (acetato de vinilo) o de copolimetros que contienen por lo menos 70% en peso de acetato de vinilo. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS518999B2 (https=) |
| BE (1) | BE806338A (https=) |
| DE (1) | DE2251603A1 (https=) |
| ES (1) | ES419817A1 (https=) |
| FR (1) | FR2203836B1 (https=) |
| GB (1) | GB1422027A (https=) |
| IT (1) | IT1008562B (https=) |
| NL (1) | NL7314443A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2280026A1 (en) * | 1997-12-18 | 1999-07-01 | Jean Daniel Stucki | Conveyor belt with entraining interlinked telescoping triple cleat assemblies |
| DE10105656A1 (de) | 2001-02-08 | 2002-08-22 | Wacker Polymer Systems Gmbh | Verfahren zur Herstellung von Polyvinylalkohol |
| JP5393383B2 (ja) | 2009-09-30 | 2014-01-22 | Hoya株式会社 | 内視鏡の処置具起上操作装置 |
| DE102013225178A1 (de) | 2013-12-06 | 2015-06-11 | Wacker Chemie Ag | Verfahren zur Herstellung von Polyvinylalkohol |
| CN106661147B (zh) * | 2014-06-04 | 2019-04-30 | 株式会社可乐丽 | 聚乙烯醇粉体及其制造方法 |
| CN107934373A (zh) * | 2017-11-24 | 2018-04-20 | 醴陵市绿源商贸有限公司 | 一种传送皮带的防爆方法及其防爆结构 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1123345A (fr) * | 1955-06-22 | 1956-09-20 | Hutchinson Cie Ets | Perfectionnement aux courroies transporteuses |
| US3072624A (en) * | 1959-12-29 | 1963-01-08 | Kurashiki Rayon Co | Saponification process for preparation of polyvinyl alcohol |
| CS150962B2 (https=) * | 1967-09-09 | 1973-09-17 |
-
1972
- 1972-10-20 DE DE2251603A patent/DE2251603A1/de active Pending
-
1973
- 1973-10-18 IT IT53197/73A patent/IT1008562B/it active
- 1973-10-19 JP JP48117716A patent/JPS518999B2/ja not_active Expired
- 1973-10-19 NL NL7314443A patent/NL7314443A/xx unknown
- 1973-10-20 ES ES73419817A patent/ES419817A1/es not_active Expired
- 1973-10-22 BE BE136912A patent/BE806338A/xx unknown
- 1973-10-22 GB GB4910873A patent/GB1422027A/en not_active Expired
- 1973-10-22 FR FR7337549A patent/FR2203836B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1008562B (it) | 1976-11-30 |
| GB1422027A (en) | 1976-01-21 |
| NL7314443A (https=) | 1974-04-23 |
| DE2251603A1 (de) | 1974-04-25 |
| JPS518999B2 (https=) | 1976-03-23 |
| FR2203836B1 (https=) | 1976-11-19 |
| FR2203836A1 (https=) | 1974-05-17 |
| JPS4974788A (https=) | 1974-07-18 |
| BE806338A (fr) | 1974-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AR214520A1 (es) | Producto de reaccion polimerico normalmente solido bioabsorbible,e hidrolizable | |
| ES443269A1 (es) | Un metodo de fabricacion de un producto extruido reticulado. | |
| NL183191C (nl) | Werkwijze ter bereiding van water bevattende polymeer-emulsie uit ten minste een monomeer en ten minste een daarin oplosbaar polymeer en gevormd voortbrengsel verkregen onder toepassing daarvan. | |
| NL7505636A (nl) | Werkwijze voor de bereiding van tetrafluor- ethyleenpolymeren. | |
| CA991622A (en) | Process for the polymerization or copolymerization of ethylene and catalyst compositions therefor | |
| ES419817A1 (es) | Procedimiento para la transesterificacion continua de poli (acetato de vinilo) o de copolimetros que contienen por lo menos 70% en peso de acetato de vinilo. | |
| NL157321B (nl) | Werkwijze voor het afvoeren van warmte, die wordt ontwikkeld tijdens de massapolymerisatie van methylmethacrylaat of een mengsel van methylmethacrylaat en een kleine hoeveelheid van ten minste een copolymeriseerbaar monomeer. | |
| JPS5373288A (en) | Preparation of polyester pellets | |
| ZA747424B (en) | Olefine polymer, olefine polymerisation process and catalyst | |
| FR2279771A1 (fr) | Articles moules ameliores en copolymere acetate de vinyle/ethylene hydrolyse | |
| JPS52126495A (en) | Novel ethylene copolymer and preparation thereof | |
| CA922113A (en) | Crosslinked polymeric deterrents for solid propellants | |
| JPS5363453A (en) | Crosslinkable ethylene polymer compositions | |
| NL7416442A (nl) | Vormmassa van onverzadigde polyester, onverza- digd monomeer en thermoplastisch copolymeer. | |
| CA1026032A (en) | Moulding compositions based on unsaturated polyesters, copolymerisable vinyl monomers and cellulose esters | |
| NL7503349A (nl) | Werkwijze voor de bereiding van verschuimbare kunststofmassa's, alsmede de uit deze kunst- stofmassa's verkregen gevormde voortbrengsels. | |
| ES410492A1 (es) | Procedimiento para la preparacion en masa de polimeros y copolimeros a base de cloruro de vinilo. | |
| NL7505214A (nl) | Werkwijze voor de bereiding van nieuwe biologisch aktieve stoffen, werkwijze voor de bereiding van preparaten en van voermiddelen die deze stoffen bevatten, alsmede gevormde preparaten en voermid- delen verkregen volgens deze werkwijze. | |
| JPS5437188A (en) | Preparation of water-absorbing resin | |
| BE806610A (fr) | Catalyseur de polymerisation, son procede de preparation et son utilisation | |
| JPS5420093A (en) | Preparation of water-absorbing polymeric material | |
| NL7505002A (nl) | Werkwijze voor de bereiding van ethyleenpoly- meren. | |
| NL7413781A (nl) | Werkwijze voor de bereiding van afbreekbare polymeren en aldus verkregen polymeervoort- brengsels. | |
| SE402786B (sv) | Komposition enligt patentet 73042947(396 403) kravet 1, varvid sampolymeren bestar av en n-alkylakrylatblandning och alkandioldimetakrylat | |
| ZA738428B (en) | Improved dyeable polymer compositions |