GB1111222A - Copolymers of ethylene-vinyl-acetate and norborna-2.5'-diene - Google Patents
Copolymers of ethylene-vinyl-acetate and norborna-2.5'-dieneInfo
- Publication number
- GB1111222A GB1111222A GB1897865A GB1897865A GB1111222A GB 1111222 A GB1111222 A GB 1111222A GB 1897865 A GB1897865 A GB 1897865A GB 1897865 A GB1897865 A GB 1897865A GB 1111222 A GB1111222 A GB 1111222A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ethylene
- weight per
- per cent
- copolymers
- azodiisobutyronitrile
- 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
- C08F218/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- 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)
- Polymerization Catalysts (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Copolymers of 20 to 79 weight per cent of ethylene, 20 to 79 weight per cent of vinyl acetate and 1 to 20 weight per cent of hydrocarbons of formula <FORM:1111222/C3/1> where R1 and R11 are hydrogen or alkyl groups containing 1 to 5 carbon atoms, are prepared by copolymerizing the monomers at elevated pressure in the presence of a radical polymerization catalyst, the reaction being terminated before complete conversion. The preferred hydrocarbon is norbornadiene-2,5. Polymerization may be effected in a homogeneous liquid phase, e.g. in excess monomer, t.-butanol optionally containing water in compatible amounts, and hydrocarbons; or in aqueous dispersion. Specified catalysts are lauroyl, acetyl, benzoyl, dichlorobenzoyl peroxides, peroxydicarbonates, azodiisobutyronitrile and molecular oxygen. The polymerization may be stopped by adding crotonaldehyde, or by adding the reaction mixture to excess methanol. Examples describe the copolymerization of ethylene, vinyl acetate and norbornadiene-2,5 in t.-butanol in the presence of azodiisobutyronitrile. The products may be vulcanized.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0042814 | 1964-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1111222A true GB1111222A (en) | 1968-04-24 |
Family
ID=7099269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1897865A Expired GB1111222A (en) | 1964-05-06 | 1965-05-05 | Copolymers of ethylene-vinyl-acetate and norborna-2.5'-diene |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1495799C3 (en) |
| GB (1) | GB1111222A (en) |
-
1964
- 1964-05-06 DE DE19641495799 patent/DE1495799C3/en not_active Expired
-
1965
- 1965-05-05 GB GB1897865A patent/GB1111222A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1495799A1 (en) | 1970-01-29 |
| DE1495799C3 (en) | 1973-10-18 |
| DE1495799B2 (en) | 1973-03-29 |
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