US1302463A - Vulcanizable composition of matter having comminuted leather as a base and method of preparing same. - Google Patents
Vulcanizable composition of matter having comminuted leather as a base and method of preparing same. Download PDFInfo
- Publication number
- US1302463A US1302463A US19175017A US19175017A US1302463A US 1302463 A US1302463 A US 1302463A US 19175017 A US19175017 A US 19175017A US 19175017 A US19175017 A US 19175017A US 1302463 A US1302463 A US 1302463A
- Authority
- US
- United States
- Prior art keywords
- leather
- comminuted
- matter
- base
- vulcanizable
- 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 - Lifetime
Links
- 239000010985 leather Substances 0.000 title description 32
- 239000000203 mixture Substances 0.000 title description 10
- 238000000034 method Methods 0.000 title description 6
- 239000000463 material Substances 0.000 description 12
- 239000003513 alkali Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003518 caustics Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 238000011049 filling Methods 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- 240000000662 Anethum graveolens Species 0.000 description 1
- 244000286663 Ficus elastica Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- -1 whitening Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/38—Making film or tubes from casein
Definitions
- This invention consists in a new and useful rulcanizable composition of matter and a method of preparing same, the said com position containing comminuted or disintegrated leather as a" base. and being suitable in its vulcanized state for most of the purposes for which leather, india rubber or the like are used, besides being capable of being reduced to a semi-fluid state before it is vulcanized so that it can be applied on a canvas or other backing and then Vulcanized.
- the comminuted leather is preferably obtained by grinding or disintegrating waste or scrap leather.
- compositions which contain comminuted or disintegrated leather as a base together with fibrous material, filling material, oils or fats, and'rubber or some other binding. agent, and as compared with such compositions the characteristic feature of the present invention consists in that the comminuted or disintegrated leather is subjected to preliminary treatment for the purpose of eliminating entirely the fatty matter naturally in the leather.
- the essential ingredients of the new com.- position are disintegrated or comminuted leather which has been boiled in water containing suflicient caustic alkali to saponify the fatty matter in the leather, and a vulcanizable gum such as rubber, caoutchouc, ba
- lata or like resilient and vulcanizable binding material Any desired filling material and any required coloring and preserving agents may be added.
- the vulcanizing agent may be introduced at any stage.
- the preferred filling materials are magnesia or asbestos fiber or asbestos dust (about 15% of the weight of the comminuted leather if a product resembling leather be required) fibrous material such as hair or wool or animal or vegetable fiber, chalk or whitening, (about 5%) and lime, (about 2%).
- the proportions of the resilient vulcanizable binding material will Vary with Specification of Letters Patent. Patented Apr. 29)., 19119. Application filed September 17, 1917. Serial No. 191,750.
- the preferred method of preparing the said composition consists firstly in boiling the leather, after it has been ground to owder, in water containing sufiicient caustlc alkali to saponifythe fatty matter naturally in the leather, until the leather has been converted into a jelly-like mass-which will usually occur in about an hour and a half.
- the filling material and, if desired, the sulfur or other vulcanizing agent and any required coloring and preserving agents may then be added and thoroughly mixed with the jelly-like mass, in which case the boiling is continued. until the ingredients are thoroughly incorporated with each other. It is not essential however to make these additions at this stage; they may be made during the subsequent mixing stage. lln either case, the mass after boiling'is dried, for example in vacuum pans or trays, until it crumbles readily to powder.
- the elastic gum or rubber or like resilient and vulcanizable binding material is introduced between heated mixing rollers and the dried mass obtained as hereinbefore described is incorporated with it. If the filling material and other ingredients have not been added during the boiling stage they are now added together with the sulfur or other vulcanizing agent.
- the product is then calendered into sheets of the desired thickness or molded into, the desired shape or form and vulcanized; or, if sheets or hands capable of withstanding considerable tension are required, the said product is rendered more or less fluid by means of a suitable solvent and applied upon a backing, vulcanized.
- steel or metal dust may. be added for the such as canvas, and afterward purpose of rendering the resultant product
- the composition is to be applied upon a canvas or like backing for thepurpose of making belts, tire-covers, llnlngs, waterproof sheets or the like 1t may be rendcrcd semi-fluid by means of a solvent such as naphtha.
- a material suitable for electrical insulation is produced.
- the hardness of the matcrial may be varied to suit requirements, and is largely dependent upon the amount of the sulfur or other vulcanizing agent and the temperature and time of vulcanization.
- a vulcanizable composition having comminutcd or disintegrated leather as a base, the essential constituents of which are comminuted or disintegrated leather which has been boiled in water containing suflicient caustic alkali to saponify the fatty matter in the leather, but not sufficient to dissolve the leather, and a resilient vulcanizable binding material, the said constituent-s being thoroughly mixed and incorporated with each other, under the action of heat to form a homogeneous mass.
- a vulcanizable composition consisting of comminuted or disintegrated leather which has been boiled in Water containing sufficient caustic alkali to saponify the fatty matter in the leather, but not suflicient to dissolve the leather, magnesia, whitening, lime and a resilient vulcamzable binding material, incorporated with each other and with vulcan izing, coloring and preserving agents, under the action of heat to form a homogeneous mass substantially as set forth.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dermatology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
dill
.romt'srnanr cnmrnnnn, or LONDON, nnetnn'n.
VUIJCANIZABLE CQMEOSITION 01" MATTE R HAVIITG- COMMINUTED LEATHER AS A near.
AND METHOD OF PREPARING- SAME.
il,32,4l63.
I\To Drawing.
To all whom it may concern:
Be it known that I, Join: STUART CAMB- BELL, a subject of the King of Great Britain and Ireland, residing at Room 35, Broad Street House, New Broad Street, London, E. 2, England, have invented a new and useful vulcanizable Composition of Matter Having Comminuted Leather as a Base and Methods of Preparing Same, of which the following is a specification.
This invention consists in a new and useful rulcanizable composition of matter and a method of preparing same, the said com position containing comminuted or disintegrated leather as a" base. and being suitable in its vulcanized state for most of the purposes for which leather, india rubber or the like are used, besides being capable of being reduced to a semi-fluid state before it is vulcanized so that it can be applied on a canvas or other backing and then Vulcanized. The comminuted leather is preferably obtained by grinding or disintegrating waste or scrap leather.
Many compositions are known which contain comminuted or disintegrated leather as a base together with fibrous material, filling material, oils or fats, and'rubber or some other binding. agent, and as compared with such compositions the characteristic feature of the present invention consists in that the comminuted or disintegrated leather is subjected to preliminary treatment for the purpose of eliminating entirely the fatty matter naturally in the leather.
The essential ingredients of the new com.- position are disintegrated or comminuted leather which has been boiled in water containing suflicient caustic alkali to saponify the fatty matter in the leather, and a vulcanizable gum such as rubber, caoutchouc, ba
lata or like resilient and vulcanizable binding material. Any desired filling material and any required coloring and preserving agents may be added. The vulcanizing agent may be introduced at any stage. The preferred filling materials are magnesia or asbestos fiber or asbestos dust (about 15% of the weight of the comminuted leather if a product resembling leather be required) fibrous material such as hair or wool or animal or vegetable fiber, chalk or whitening, (about 5%) and lime, (about 2%). The proportions of the resilient vulcanizable binding material will Vary with Specification of Letters Patent. Patented Apr. 29)., 19119. Application filed September 17, 1917. Serial No. 191,750.
the degree of elasticity required in" the fin- 1Sll6d product-about 15% of the weight of the comminuted leather yielding a product resembling leather.
The preferred method of preparing the said composition consists firstly in boiling the leather, after it has been ground to owder, in water containing sufiicient caustlc alkali to saponifythe fatty matter naturally in the leather, until the leather has been converted into a jelly-like mass-which will usually occur in about an hour and a half. The filling material and, if desired, the sulfur or other vulcanizing agent and any required coloring and preserving agents, may then be added and thoroughly mixed with the jelly-like mass, in which case the boiling is continued. until the ingredients are thoroughly incorporated with each other. It is not essential however to make these additions at this stage; they may be made during the subsequent mixing stage. lln either case, the mass after boiling'is dried, for example in vacuum pans or trays, until it crumbles readily to powder.
In the mixing stage, the elastic gum or rubber or like resilient and vulcanizable binding material is introduced between heated mixing rollers and the dried mass obtained as hereinbefore described is incorporated with it. If the filling material and other ingredients have not been added during the boiling stage they are now added together with the sulfur or other vulcanizing agent.
The product is then calendered into sheets of the desired thickness or molded into, the desired shape or form and vulcanized; or, if sheets or hands capable of withstanding considerable tension are required, the said product is rendered more or less fluid by means of a suitable solvent and applied upon a backing, vulcanized.
During the mixing and rolling operation, steel or metal dust may. be added for the such as canvas, and afterward purpose of rendering the resultant product When the composition is to be applied upon a canvas or like backing for thepurpose of making belts, tire-covers, llnlngs, waterproof sheets or the like 1t may be rendcrcd semi-fluid by means of a solvent such as naphtha.
By suitably regulating the proportions of the ingredients and the degree of vulcanization a material suitable for electrical insulation is produced. The hardness of the matcrial may be varied to suit requirements, and is largely dependent upon the amount of the sulfur or other vulcanizing agent and the temperature and time of vulcanization.
What I claim as my invention and desire to secure by Letters Patent is:
1. A vulcanizable composition having comminutcd or disintegrated leather as a base, the essential constituents of which are comminuted or disintegrated leather which has been boiled in water containing suflicient caustic alkali to saponify the fatty matter in the leather, but not sufficient to dissolve the leather, and a resilient vulcanizable binding material, the said constituent-s being thoroughly mixed and incorporated with each other, under the action of heat to form a homogeneous mass.
A vulcanizable composition consisting of comminuted or disintegrated leather which has been boiled in Water containing sufficient caustic alkali to saponify the fatty matter in the leather, but not suflicient to dissolve the leather, magnesia, whitening, lime and a resilient vulcamzable binding material, incorporated with each other and with vulcan izing, coloring and preserving agents, under the action of heat to form a homogeneous mass substantially as set forth.
A method of preparing the composition claimed in claim 1, consisting in grinding scrap leather to powder and boiling same in water containing suificient caustic alkali to saponify the fatty matter in the leather, but not sufficient to dissolve the leather, then drying and thoroughly mixing and incorporating the powder thus treated with a resilient vulcanizable binding material, under the action of heated mixing rollers.
l. The mode herein described of improv ing the quality of vulcanizable compounds of comminuted leather and rubber, the said mode consisting in boiling the comminuted leather in Water containing sufiicient caus- -tic alkali to saponify the fatty matter in the leather, but not sufficient to dissolve the leather and then incorporating same with the rubber.
In testimony whereof I have signed my name to this specification.
JOHN STUART CAMPBELL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19175017A US1302463A (en) | 1917-09-17 | 1917-09-17 | Vulcanizable composition of matter having comminuted leather as a base and method of preparing same. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19175017A US1302463A (en) | 1917-09-17 | 1917-09-17 | Vulcanizable composition of matter having comminuted leather as a base and method of preparing same. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1302463A true US1302463A (en) | 1919-04-29 |
Family
ID=3370000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19175017A Expired - Lifetime US1302463A (en) | 1917-09-17 | 1917-09-17 | Vulcanizable composition of matter having comminuted leather as a base and method of preparing same. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1302463A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834762A (en) * | 1986-08-07 | 1989-05-30 | Ein (America) Inc. | Animal protein resin-plastic compositions and manufactures incorporating animal skins and/or leather and/or gelatin powder therein, the powder therein, and method of producing the same |
| US5080292A (en) * | 1988-03-03 | 1992-01-14 | Sadao Nishibori | Method for pulverizing gelatin, and paint, coating layer, film and finished cloth |
| US5225536A (en) * | 1989-08-16 | 1993-07-06 | Sadao Nishibori | Particles of gelatin and amino acid to be blended in resins |
-
1917
- 1917-09-17 US US19175017A patent/US1302463A/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171494A (en) * | 1986-08-06 | 1992-12-15 | Ein (America) Inc. | Method of producing a paint which on application imparts a surface with a tanned skin or leather-like appearance |
| US4834762A (en) * | 1986-08-07 | 1989-05-30 | Ein (America) Inc. | Animal protein resin-plastic compositions and manufactures incorporating animal skins and/or leather and/or gelatin powder therein, the powder therein, and method of producing the same |
| US5100707A (en) * | 1986-08-07 | 1992-03-31 | Ein (America) Inc. | Animal protein resin-plastic compositions and manufactures incorporating animal skins and/or leather and/or gelatin powder therein, the powder therein, and method of producing the same |
| US5134178A (en) * | 1986-08-07 | 1992-07-28 | Ein (America) Inc. | Animal protein resin-plastic compositions and manufactures incorporating animal skins and/or leather and/or gelatin powder therein, the powder therein, and method of producing the same |
| US5080292A (en) * | 1988-03-03 | 1992-01-14 | Sadao Nishibori | Method for pulverizing gelatin, and paint, coating layer, film and finished cloth |
| US5225536A (en) * | 1989-08-16 | 1993-07-06 | Sadao Nishibori | Particles of gelatin and amino acid to be blended in resins |
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