GB1104235A - Improvements in or relating to mechanical rubber articles - Google Patents
Improvements in or relating to mechanical rubber articlesInfo
- Publication number
- GB1104235A GB1104235A GB4114663A GB4114663A GB1104235A GB 1104235 A GB1104235 A GB 1104235A GB 4114663 A GB4114663 A GB 4114663A GB 4114663 A GB4114663 A GB 4114663A GB 1104235 A GB1104235 A GB 1104235A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymer
- propylene oxide
- glycidyl ether
- composition
- sulphur
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
- C08L71/03—Polyepihalohydrins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Mechanical rubber articles, e.g. bellows, valves, gaskets, seals, " O "-rings, hose and piping, comprise a vulcanized composition of a polymer of propylene oxide with or without further unsaturated copolymerizable compounds, in which the polymer has a molecular weight of 250,000 to 1,500,000 and contains at least 90 mole per cent of groups derived from propylene oxide. The copolymerizable compound may be allyl glycidyl ether, cinnamoyl glycidyl ether, crotyl glycidyl ether, butadiene monoxide, cyclopentadiene monoxide, butadiene, 1:4-hexadiene, dicyclopentadiene and cyclooctadiene. The polymer of propylene oxide alone is vulcanized with sulphur and a peroxide, and that of propylene oxide and an unsaturated compound with sulphur and an organic accelerator. The composition may contain fillers such as carbon-blacks, silicates, clays, silicas and whitings, antioxidants, e.g. amines, derivatives of thiourea, quinoline and hydroquinone, phenols and phenolic derivatives, phosphites, thiocarbamates, and the products of the reaction between amines and ketones. The polymer may be extended or plasticized with oil, e.g. hydrocarbon or estertype oils. Other blends of natural and/or synthetic rubbers may be included in the composition.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE645806A BE645806A (en) | 1964-03-26 | 1964-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1104235A true GB1104235A (en) | 1968-02-21 |
Family
ID=3846240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4114663A Expired GB1104235A (en) | 1964-03-26 | 1963-10-18 | Improvements in or relating to mechanical rubber articles |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE645806A (en) |
| GB (1) | GB1104235A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1071794A (en) * | 1975-01-16 | 1980-02-12 | Polysar Limited | Propylene oxide polymer-halobutyl rubber blends |
-
1963
- 1963-10-18 GB GB4114663A patent/GB1104235A/en not_active Expired
-
1964
- 1964-03-26 BE BE645806A patent/BE645806A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE645806A (en) | 1964-07-16 |
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