GB796309A - Process for polymerizing vinyl chloride in aqueous suspension - Google Patents
Process for polymerizing vinyl chloride in aqueous suspensionInfo
- Publication number
- GB796309A GB796309A GB32311/56A GB3231156A GB796309A GB 796309 A GB796309 A GB 796309A GB 32311/56 A GB32311/56 A GB 32311/56A GB 3231156 A GB3231156 A GB 3231156A GB 796309 A GB796309 A GB 796309A
- Authority
- GB
- United Kingdom
- Prior art keywords
- monomer
- per part
- vinyl
- weight per
- water
- 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
- C08F14/00—Homopolymers and 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
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
A monomeric material comprising vinyl chloride is polymerized by a process in which the monomeric material containing catalytic quantities of an oil-soluble peroxide polymerization catalyst, such as benzoyl or lauroyl peroxide, is dispersed in an aqueous phase consisting essentially of from 2 to 4 parts by volume of water per part of monomer, from 0.02 to 0.15 part by weight per part of monomer of a water-soluble methyl cellulose or methyl hydroxypropyl cellulose, from 0.02 to 0.15 part by weight per part of monomer of ionic emulsifying agent and from 0.02 to 0.15 part by weight per part of monomer of a water-soluble polyvalent metal salt coagulant for the emulsifier, the dispersion being maintained with agitation at 25 DEG to 65 DEG C. until polymerization is complete, to produce substantially uniform, free-flowing particles having high capacity for plasticiser absorption. The monomeric material may be vinyl chloride, a mixture of vinyl and vinylidene chlorides or of vinyl and vinylidene chlorides and an alkyl acrylate. The emulsifying agent may be sodium lauryl sulphate, the dihexyl ester of sodium sulpho-succinic acid, dibutyl phenyl phenol sodium disulphonate, monobutyl phenyl phenol sodium monosulphonate, an alkyl aryl sulphonate or stearyl dimethyl benzyl ammonium chloride. The polyvalent metal salt may be calcium, barium or cadmium chloride or aluminium sulphate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US796309XA | 1955-11-23 | 1955-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB796309A true GB796309A (en) | 1958-06-11 |
Family
ID=22151772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32311/56A Expired GB796309A (en) | 1955-11-23 | 1956-10-23 | Process for polymerizing vinyl chloride in aqueous suspension |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB796309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1217624B (en) * | 1960-04-06 | 1966-05-26 | Wacker Chemie Gmbh | Process for suspension polymerization of vinyl chloride |
| DE2528950A1 (en) * | 1975-06-28 | 1977-01-13 | Huels Chemische Werke Ag | METHOD FOR PRODUCING POLYVINYL CHLORIDE |
-
1956
- 1956-10-23 GB GB32311/56A patent/GB796309A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1217624B (en) * | 1960-04-06 | 1966-05-26 | Wacker Chemie Gmbh | Process for suspension polymerization of vinyl chloride |
| DE2528950A1 (en) * | 1975-06-28 | 1977-01-13 | Huels Chemische Werke Ag | METHOD FOR PRODUCING POLYVINYL CHLORIDE |
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