GB803993A - Improvements in or relating to rubber compositions - Google Patents
Improvements in or relating to rubber compositionsInfo
- Publication number
- GB803993A GB803993A GB1749154A GB1749154A GB803993A GB 803993 A GB803993 A GB 803993A GB 1749154 A GB1749154 A GB 1749154A GB 1749154 A GB1749154 A GB 1749154A GB 803993 A GB803993 A GB 803993A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rubber
- parts
- oil
- mastication
- softener
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
A natural rubber composition is prepared by masticating crude rubber with oil or other softener in an internal mixer in such manner that the oil or other softener is present from the commencement of the mastication in an amount of not less than 10 per cent of the weight of the rubber. Preferably the whole of the oil or other softener is introduced into the internal mixer, together with carbon black and antioxidant, and the rubber added thereto. Prior to its addition the rubber may be milled just sufficiently to form a sheet. The mineral oil may be a naphthenic or aromatic petroleum fraction, and the mastication may be effected in an atmosphere of nitrogen. In an example 25 parts by weight of polymethyl styrene, 50 parts of gas black, and 2 parts of antioxidant are introduced into an internal mixer. There are then added 75 parts natural rubber, 5 parts zinc oxide, and 2 parts stearic acid, and mastication is effected at 150 DEG C. in an atmosphere of nitrogen. After cooling, sulphur and vulcanization accelerator are added in the mixer or on a mill. In other examples the rubber is masticated with (a) mineral oil, (b) liquid paraffin, and (c) mineral oil and hexamethylene tetramine.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1749154A GB803993A (en) | 1954-06-15 | 1954-06-15 | Improvements in or relating to rubber compositions |
| FR1132561D FR1132561A (en) | 1954-06-15 | 1955-06-15 | Improvements to rubber mixes |
| MY6100080A MY6100080A (en) | 1954-06-15 | 1961-12-31 | Improvements in or relating to rubber compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1749154A GB803993A (en) | 1954-06-15 | 1954-06-15 | Improvements in or relating to rubber compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB803993A true GB803993A (en) | 1958-11-05 |
Family
ID=10096099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1749154A Expired GB803993A (en) | 1954-06-15 | 1954-06-15 | Improvements in or relating to rubber compositions |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1132561A (en) |
| GB (1) | GB803993A (en) |
| MY (1) | MY6100080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105825A (en) * | 1959-09-21 | 1963-10-01 | Texaco Development Corp | Method of compounding rubber |
-
1954
- 1954-06-15 GB GB1749154A patent/GB803993A/en not_active Expired
-
1955
- 1955-06-15 FR FR1132561D patent/FR1132561A/en not_active Expired
-
1961
- 1961-12-31 MY MY6100080A patent/MY6100080A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105825A (en) * | 1959-09-21 | 1963-10-01 | Texaco Development Corp | Method of compounding rubber |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1132561A (en) | 1957-03-13 |
| MY6100080A (en) | 1961-12-31 |
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