GB874130A - Improvements in and relating to copolymers - Google Patents
Improvements in and relating to copolymersInfo
- Publication number
- GB874130A GB874130A GB11/59A GB1159A GB874130A GB 874130 A GB874130 A GB 874130A GB 11/59 A GB11/59 A GB 11/59A GB 1159 A GB1159 A GB 1159A GB 874130 A GB874130 A GB 874130A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glycol
- block copolymer
- copolymers
- polyoxyalkylene
- glycols
- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The Specification comprises copolymers of vinyl acetate with a polyoxyalkylene compound which is defined as polyethylene glycol; polypropylene glycol; polybutylene glycol; a block copolymer of ethylene glycol and propylene glycol; a monoether of a lower alkyl alcohol with any of the said glycols or block copolymer, or a monoester of an aliphatic carboxylic acid with any of said glycols or block copolymer. These copolymers may be prepared by making a mixture of vinyl acetate and the appropriate polyoxyalkylene in proportions by weight ranging from 10 : 1-1 : 10 with 0,1%-16% benzoyl peroxide and polymerizing the mass at a temperature between 60 DEG C. and the reflux temperature. The product may be hydrolysed to give a vinyl alcohol copolymer by dissolving in methanol or ethanol, adding an alkaline alcoholysis catalysis and recovering the hydrolysed product. In examples, carbowaxes having approximate molecular weights of 600, 4,000, 6,000 and 20,000 are used as the polyoxyalkylene compounds.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US874130XA | 1958-01-03 | 1958-01-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB874130A true GB874130A (en) | 1961-08-02 |
Family
ID=22205032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11/59A Expired GB874130A (en) | 1958-01-03 | 1959-01-01 | Improvements in and relating to copolymers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB874130A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3418354A (en) * | 1964-12-29 | 1968-12-24 | Union Carbide Corp | Process for producing graft copolymers |
WO2003031489A2 (en) * | 2001-10-12 | 2003-04-17 | Carlsberg A/S | Matrix for solid-phase organic synthesis |
-
1959
- 1959-01-01 GB GB11/59A patent/GB874130A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3418354A (en) * | 1964-12-29 | 1968-12-24 | Union Carbide Corp | Process for producing graft copolymers |
WO2003031489A2 (en) * | 2001-10-12 | 2003-04-17 | Carlsberg A/S | Matrix for solid-phase organic synthesis |
WO2003031489A3 (en) * | 2001-10-12 | 2004-03-25 | Carlsberg As | Matrix for solid-phase organic synthesis |
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