GB692378A - Method of copolymerizing vinylidene chloride and vinyl chloride - Google Patents
Method of copolymerizing vinylidene chloride and vinyl chlorideInfo
- Publication number
- GB692378A GB692378A GB5802/51A GB580251A GB692378A GB 692378 A GB692378 A GB 692378A GB 5802/51 A GB5802/51 A GB 5802/51A GB 580251 A GB580251 A GB 580251A GB 692378 A GB692378 A GB 692378A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- weight
- chloride
- vinylidene chloride
- vinyl chloride
- 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
- C08F214/00—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 a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/06—Vinyl chloride
-
- 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
- C08F214/00—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 a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/08—Vinylidene chloride
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)
Abstract
Copolymers of vinylidene chloride and vinyl chloride are prepared by copolymerizing, in aqueous emulsion and in a closed vessel, a mixture of from 35 to 70 per cent of vinylidene chloride and from 65 to 30 per cent by weight of vinyl chloride, until from 10 to 60 per cent of the weight of mixed monomers has polymerized, as evidenced by a pressure increase at the substantially constant reaction temperature, of 2 to 12 pounds per sq. inch, then adding monomeric vinylidene chloride to bring the total ratio of polymerizing materials to a higher value in the range of from 65 to 95 per cent by weight of vinylidene chloride and 35 to 5 per cent by weight of vinyl chloride, continuing the polymerization until from 80 to 90 per cent by weight of the total monomeric charge is copolymerized, and then recovering the copolymeric product. In examples polymerization is effected in the presence of dihexyl sodium sulphosuccinate, hydrogen peroxide and ferric nitrate at a pH of 2, and the latex coagulated in sodium chloride solution. Other monomers such as acrylonitrile, acrylates, methacrylates, styrene and vinyl acetate may be present in minor amounts. The polymers prepared by the process of the invention are particularly suitable for the production of films or filaments. Specifications 656,735 and 676,500 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US692378XA | 1950-04-12 | 1950-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB692378A true GB692378A (en) | 1953-06-03 |
Family
ID=22087626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5802/51A Expired GB692378A (en) | 1950-04-12 | 1951-03-09 | Method of copolymerizing vinylidene chloride and vinyl chloride |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB692378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000032659A1 (en) * | 1998-12-02 | 2000-06-08 | Solvay (Societe Anonyme) | Method for preparing halogenated copolymers, resulting halogenated copolymers and use thereof |
-
1951
- 1951-03-09 GB GB5802/51A patent/GB692378A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000032659A1 (en) * | 1998-12-02 | 2000-06-08 | Solvay (Societe Anonyme) | Method for preparing halogenated copolymers, resulting halogenated copolymers and use thereof |
| BE1012318A3 (en) * | 1998-12-02 | 2000-09-05 | Solvay | Process for preparing copolymers halogenated, halogenated copolymers obtained and use thereof. |
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