US1716120A - Process for the production of washable printings on leather - Google Patents
Process for the production of washable printings on leather Download PDFInfo
- Publication number
- US1716120A US1716120A US631954A US63195423A US1716120A US 1716120 A US1716120 A US 1716120A US 631954 A US631954 A US 631954A US 63195423 A US63195423 A US 63195423A US 1716120 A US1716120 A US 1716120A
- Authority
- US
- United States
- Prior art keywords
- leather
- printings
- washable
- production
- printing
- 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 9
- 238000007639 printing Methods 0.000 title description 9
- 238000000034 method Methods 0.000 title description 7
- 238000004519 manufacturing process Methods 0.000 title description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 229960004279 formaldehyde Drugs 0.000 description 4
- 235000019256 formaldehyde Nutrition 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000002895 emetic Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 241000208225 Rhus Species 0.000 description 2
- 235000014220 Rhus chinensis Nutrition 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241000416162 Astragalus gummifer Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000006558 Dental Calculus Diseases 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- 244000264648 Rhus coriaria Species 0.000 description 1
- 229920001615 Tragacanth Polymers 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/28—Multi-step processes
Description
Patented June 4, 19 2 9.
UNITED STATES- cnAnLns s.
rnmmmn, or PARIS, rRAncE, nssrenon '10 sacrum: nncmns ETAIB- nIssnmENrs ,A. corner: a FILS & cm, or. PARIS, FRANCE.
PROCESS FOR PRODUCTION OF WASHAIBLE PRINTINGS ON LEATHER.
No I Drawing. Application filed April 13, 1923, Serial No. 631,954, and in France November 30, 1922.
Heretofore, the only hides or'skins used for the production of printings were those which have been tanned with vegetal substances, like those which are used for making moroc- 5 co-leather goods, for furniture, book-bindings, fancy articles, millinery and dressmaking. Besides this, the leather and the printing would ,not resist washing.
The presentinvention relates to a process for producing washable printings upon leather, with the purpose of obtaining articles, which'besides'being adapted for the above mentioned purposes, may compete with the polychromati'c fabrics as used actually I for shoes, slippers and the like, which they tanning operation in a bath of powdered sumach or any other similar substance, for an hour, at a'temperature of 35 C.
They are for instance mechanically treated in the usual manner in order to give them the appearance of velvet, or suede leather; in other words, the hides or skins receive an ooze or suede, or any other, finish.
After having been dried at C., the hides 35 or skins are then ready to be printed.- This operation is performed by means of engraved plates, with the employment, for example, of the following mixture: 4
6 a 25 to 30grams of dye-stuff (Rhodamine).
' 200 to 500 grams of tragacanth. v 40 to 60 grams of acetate of chrome.
5 to 10 grams of tannic acid. 5- to '10 grams of glycerine. 2 liters of water.
The'printing colours can be applied upon any ground color or the ground color can be obtained after printing.
After the printing operation has taken place, the hides or skins are placed in a steam room, for about one hour, at a temperature of 75 C.
'iihis steaming has for its purpose, the thor- 'timately associates itself with the fibres of derstood by those skilled in the art, the morough penetration of the dye-stufi -which, prior to this operation, was but superficial. Moreover this treatment in the steam room means a step towards the fixing which is effected by employing the usual pigments or mordants and is accomplished in a bath of emetic, such as tartar emetic, or of acid, according to the nature of the dye-stufis used.
The acid or metallic mordants are employed to temporarily fix the dyestuffs which have been applied; but their main purpose is to form a chemical combination which inthe leather, after a stay in the emetic and acid baths. Any color may be used in carrying out the process and as may be readily un- I dant employed will depend. upon the color use I The hides or skins are then washed in clear water; they are thus ready to be used for the manufacture of the articles for which they they are intended. a
The leather thus printed retains, after washing all its properties as to softness and strength; moreover the penetration of the dye-stuff is deep enough,- so that the colors will not fade after a certain timeof use.
It must be observed that the above figures and details for carrying out the invention have been given only by way of example and that they can be modified without departing from the principle of the invention.
For instance, the tanning with formol could easily be replaced by a tawing process with the use of formol or alum.
What I claim is:
1. A process for the manufacture of washable printed leather which consists in preparing the hide or skin for the subsequent printing, steaming and fixing steps, by tanning the hide or skin first with formol, and i then tanning the same in a bath of powdered sumac.
2. In a production of washable color'printed leather, the process which consists in subjecting the skin to successive tannings, first 100. with formol and then with sumac, and subsequently printing the same.
In testimony whereof I have signed this specification.
CHARLES s. FRIEDMAN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US360606A US1896353A (en) | 1923-04-13 | 1929-05-04 | Washable printed leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1716120X | 1922-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1716120A true US1716120A (en) | 1929-06-04 |
Family
ID=9680423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US631954A Expired - Lifetime US1716120A (en) | 1922-11-30 | 1923-04-13 | Process for the production of washable printings on leather |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1716120A (en) |
-
1923
- 1923-04-13 US US631954A patent/US1716120A/en not_active Expired - Lifetime
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