GB158783A - Process of devulcanising rubber - Google Patents
Process of devulcanising rubberInfo
- Publication number
- GB158783A GB158783A GB3225919A GB3225919A GB158783A GB 158783 A GB158783 A GB 158783A GB 3225919 A GB3225919 A GB 3225919A GB 3225919 A GB3225919 A GB 3225919A GB 158783 A GB158783 A GB 158783A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rubber
- alkali
- devulcanising
- treated
- comptroller
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
158,783. Smith, J. Dec. 24, 1919. Devulcanizing rubber. - Rubber is finely divided, impregnated with a cold solution of alkali (caustic carbonate, or bicarbonate) preferably concentrated, transferred to a closed vessel and treated to a temperature corresponding to a pressure of 100 lbs. per sq. in. The alkali and sulphur are washd out with cold water. The rubber may be further treated with hot water and hydrochloric acid. Reference has been directed by the Comptroller to Specifications 11159/99, [Class 43, Fastenings, Dress], 17313/04, 2655/05, 29878/12, and 28167/13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3225919A GB158783A (en) | 1919-12-24 | 1919-12-24 | Process of devulcanising rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3225919A GB158783A (en) | 1919-12-24 | 1919-12-24 | Process of devulcanising rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB158783A true GB158783A (en) | 1921-02-17 |
Family
ID=10335816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3225919A Expired GB158783A (en) | 1919-12-24 | 1919-12-24 | Process of devulcanising rubber |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB158783A (en) |
-
1919
- 1919-12-24 GB GB3225919A patent/GB158783A/en not_active Expired
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