GB494020A - Improved process for the regeneration of waste of artificial and synthetic leathers - Google Patents
Improved process for the regeneration of waste of artificial and synthetic leathersInfo
- Publication number
- GB494020A GB494020A GB11555/37A GB1155537A GB494020A GB 494020 A GB494020 A GB 494020A GB 11555/37 A GB11555/37 A GB 11555/37A GB 1155537 A GB1155537 A GB 1155537A GB 494020 A GB494020 A GB 494020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resins
- fibres
- waste
- artificial
- regeneration
- 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
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
- C08L89/04—Products derived from waste materials, e.g. horn, hoof or hair
- C08L89/06—Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin, e.g. gelatin
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dermatology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Artificial leather waste, consisting of animal, vegetable or mineral fibres agglutinated by synthetic resins such as vinyl or glycero-phthalic resins, or dimethylol urea, is disintegrated by passage between differentially geared rolls at a temperature of 50 to 60 DEG C., and then mixed with a solvent such as a chlorinated hydrocarbon. Agents for producing a second condensation or polymerization of the binder, such as sulphonic acid for glycerophthalic resins or caustic alkali for phenolformaldehyde resins, may be added during the mixing, also softeners, fillers and fibres. The mix may be extruded, calendered, or moulded.ALSO:Artificial leather waste, consisting of animal, vegetable or mineral fibres agglutinated by rubber, synthetic resins, or siccative oils, is disintegrated by passage between differentially geared rolls at a temperature of 50-60 DEG C., and then mixed with a solvent, such as a chlorinated hydrocarbon. Agents for producing a second vulcanization, condensation or p polymerization of the binder may be added during the mixing, also softeners, fillers and fibres. The mixture may be extruded, calendered, or moulded.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR494020X | 1936-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB494020A true GB494020A (en) | 1938-10-19 |
Family
ID=8904672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11555/37A Expired GB494020A (en) | 1936-04-30 | 1937-04-22 | Improved process for the regeneration of waste of artificial and synthetic leathers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB494020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT503620B1 (en) * | 2006-04-25 | 2012-12-15 | Remy Dr Stoll | Leather material and process for processing leather components |
-
1937
- 1937-04-22 GB GB11555/37A patent/GB494020A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT503620B1 (en) * | 2006-04-25 | 2012-12-15 | Remy Dr Stoll | Leather material and process for processing leather components |
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