GB623705A - Improvements in or relating to chlorinated polymers - Google Patents
Improvements in or relating to chlorinated polymersInfo
- Publication number
- GB623705A GB623705A GB13214/47A GB1321447A GB623705A GB 623705 A GB623705 A GB 623705A GB 13214/47 A GB13214/47 A GB 13214/47A GB 1321447 A GB1321447 A GB 1321447A GB 623705 A GB623705 A GB 623705A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chlorinated polymer
- chlorine
- chlorinated
- telomers
- copolymers
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
Abstract
Solid or semi-solid polymers, copolymers or telomers of ethylene are chlorinated by the action of liquid chlorine preferably in the presence of actinic light. The polymers, copolymers or telomers may be those referred to in Specifications 471,590, 497,643, 578,584, 578,992, 581,899, 583,181, 584,795 and 585,396. Low and elevated temperatures may be used with appropriate pressures. At a given temperature liquid chlorine dissolves a chlorinated polymer of specific chlorine content, the chlorine content in the dissolved chlorinated polymer being lower with increase in temperature, so that a particular chlorinated polymer can be obtained by operating at the required temperature and withdrawing the solution of the chlorinated polymer in the liquid chlorine. The process may be continuous, particularly when carried out in a long tube with several discharge openings spaced along its length. A solvent for both chlorine and the chlorinated polymer may be present, those specified being carbon tetrachloride, dichlorodifluoroethane and tetrachloroethylene. The products may be used in making films, filaments, coatings, gaskets, washers, adhesives and for water-proofing. Fillers, pigments, dyes and plasticizers may be added. Specifications 481,515 and 576,119 also are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US623705XA | 1946-05-17 | 1946-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB623705A true GB623705A (en) | 1949-05-20 |
Family
ID=22042036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13214/47A Expired GB623705A (en) | 1946-05-17 | 1947-05-16 | Improvements in or relating to chlorinated polymers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB623705A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2913449A (en) * | 1957-01-18 | 1959-11-17 | Dow Chemical Co | Conjoint halogenation technique |
| US2964509A (en) * | 1956-10-16 | 1960-12-13 | Du Pont | Process for chlorination of olefine polymers |
| US2973088A (en) * | 1956-08-23 | 1961-02-28 | Phillips Petroleum Co | Self-bonding material |
-
1947
- 1947-05-16 GB GB13214/47A patent/GB623705A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2973088A (en) * | 1956-08-23 | 1961-02-28 | Phillips Petroleum Co | Self-bonding material |
| US2964509A (en) * | 1956-10-16 | 1960-12-13 | Du Pont | Process for chlorination of olefine polymers |
| US2913449A (en) * | 1957-01-18 | 1959-11-17 | Dow Chemical Co | Conjoint halogenation technique |
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