GB598777A - Improvements in or relating to the production of polymeric materials - Google Patents
Improvements in or relating to the production of polymeric materialsInfo
- Publication number
- GB598777A GB598777A GB2326845A GB2326845A GB598777A GB 598777 A GB598777 A GB 598777A GB 2326845 A GB2326845 A GB 2326845A GB 2326845 A GB2326845 A GB 2326845A GB 598777 A GB598777 A GB 598777A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salts
- specified
- ammonium
- hydrogen
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
One or more compounds have the group <FORM:0598777/IV/1> where R is hydrogen, an alkyl, carboxylic acid or ester group, are polymerized in aqueous media in the presence of a peroxy catalyst, an emulsifier, a water soluble copper salt or salts, copper sulphate being specified, constituting 0.1 to 2.0 parts per million of the aqueous phase, the oxygen partial pressure in the system being 0.02 to 0.1 atmosphere. Peroxy compounds specified are hydrogen, benzoyl or succinyl peroxides, potassium or ammonium persulphates or percarbonates. Emulsifiers specified are alkali metal and ammonium salts of sulphonated oleic, lauric or palmitic acid or of sulphonated methyl oleate, sodium and ammonium palmitates, stearates, and oleates, agar agar, gelatine, gum tragacanth and soluble starch. Plasticizers and, as an anti-frothing agent, ethyl palmitate, may be present. Monomers specified are vinyl acetate, propionate and chloride, acrylates, alphachloracrylates and methacrylates. Polyvinyl chloride so prepared gives little hydrogen chloride when heated to 160 DEG C. for 1 hour. Specification 589,264 is referred to. The Provisional Specification is not restricted to copper salts but refers to salts of heavy metals of variable valency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326845A GB598777A (en) | 1945-09-10 | 1945-09-10 | Improvements in or relating to the production of polymeric materials |
| FR936385D FR936385A (en) | 1945-09-10 | 1946-11-30 | Polymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326845A GB598777A (en) | 1945-09-10 | 1945-09-10 | Improvements in or relating to the production of polymeric materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB598777A true GB598777A (en) | 1948-02-26 |
Family
ID=10192918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2326845A Expired GB598777A (en) | 1945-09-10 | 1945-09-10 | Improvements in or relating to the production of polymeric materials |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR936385A (en) |
| GB (1) | GB598777A (en) |
-
1945
- 1945-09-10 GB GB2326845A patent/GB598777A/en not_active Expired
-
1946
- 1946-11-30 FR FR936385D patent/FR936385A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR936385A (en) | 1948-07-19 |
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