CH85233A - Process for biting hides and skins. - Google Patents
Process for biting hides and skins.Info
- Publication number
- CH85233A CH85233A CH85233DA CH85233A CH 85233 A CH85233 A CH 85233A CH 85233D A CH85233D A CH 85233DA CH 85233 A CH85233 A CH 85233A
- Authority
- CH
- Switzerland
- Prior art keywords
- alcohol
- skins
- parts
- hides
- boiling
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 235000018553 tannin Nutrition 0.000 claims description 4
- 229920001864 tannin Polymers 0.000 claims description 4
- 239000001648 tannin Substances 0.000 claims description 4
- 229940052224 rosaniline hydrochloride Drugs 0.000 claims description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 2
- 229920001800 Shellac Polymers 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims description 2
- 239000010985 leather Substances 0.000 claims description 2
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 claims description 2
- 229940113147 shellac Drugs 0.000 claims description 2
- 235000013874 shellac Nutrition 0.000 claims description 2
- 239000004208 shellac Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 1
- 238000004043 dyeing Methods 0.000 claims 1
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
- D06P3/324—Material containing basic nitrogen containing amide groups leather skins using basic dyes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
Procédé pour mordorer les cuirs et peaux. D'après un procédé connu employé jusqu'à présent, les cuirs et peaux sont mordorés au moyen d'un mélange de couleurs d'aniline avec une solution d'apprêt composée d'al bumine ou de sang. Le mordoré ainsi obtenu sur les cuirs et peaux a comme on le sait l'inconvénient de ne pas être solide à la lumière, à l'humidité et au frottement. En outre, ce procédé de mordoré ne pouvait être employé que pour certaines sortes de peaux.
La présente invention a pour objet un procédé pour mordorer les cuirs et peaux, par l'emploi duquel les inconvénients énumérés ci-dessus sont évités. Ce procédé comprend trois opérations distinctes, savoir: l'impré gnation des cuirs et peaux d'une liqueur tinc toriale, l'application sur le cuir ou la peau ainsi imprégnée, après lissage, d'un enduit poli pour leur donner l'éclat désiré, et enfin l'opération de polissage final.
La liqueur tinctoriale servant à l'impré gnation des cuirs et peaux est obtenue en dissolvant environ 35 parties d'un mélange de fuchsine (chlorhydrate de rosaniline) et de violet de Paris dans 500 parties d'alcool bouillant, avec addition, d'une part, d'une solution de 20 parties de tannin à l'alcool dans 450 parties d'alcool bouillant et, d'autre part, de 50 parties de nitrobenzéne C'HJ (Az02) pour augmenter la pénétration du colorant.
Quant à l'enduit-poli, on l'obtient en dissolvant environ 30 grammes d'un mélange de fuchsine (chlorhydrate de rosaniline) et de violet de Paris, dans 500 cm3 d'alcool, en portant le tout à l'ébullition, jusqu'à disso lution complète, puis en ajoutant à cette solution, environ 30 grammes de tannin à l'alcool, et en faisant bouillir pendant 10 minutes, en ajoutant ensuite environ 50 grammes de gomme-laque blonde en écailles, que l'on fait dissoudre tout en faisant bouillir doucement pendant 15 minutes, et enfin en portant le tout à 1 litre, par addition d'alcool.
Le polissage final des cuirs et peaux peut être facilité par l'addition de 10'1/o d'alcool amylique, à l'enduit-poli, mais cette addition n'est pas indispensable.
Les nuances du mordoré dépendront de la proportion de violet de Paris ajoutée à la fuchsine, et l'on pourra de la sorte obtenir du plus vert au plus rouge.
Process for biting hides and skins. According to a known method employed heretofore, hides and skins are browned by means of a mixture of aniline colors with a primer solution composed of al bumina or blood. The bronze thus obtained on hides and skins has, as we know, the drawback of not being solid to light, to humidity and to friction. In addition, this bronze method could only be used for certain kinds of skin.
The present invention relates to a process for biting hides and skins, by the use of which the drawbacks listed above are avoided. This process comprises three distinct operations, namely: the impregnation of the leathers and skins with a tinc torial liquor, the application to the leather or the skin thus impregnated, after smoothing, with a polished coating to give them the shine. desired, and finally the final polishing operation.
The dye liquor used for the impregnation of hides and skins is obtained by dissolving approximately 35 parts of a mixture of fuchsin (rosaniline hydrochloride) and Paris violet in 500 parts of boiling alcohol, with the addition of a on the one hand, a solution of 20 parts of alcohol tannin in 450 parts of boiling alcohol and, on the other hand, 50 parts of nitrobenzene C'HJ (Az02) to increase the penetration of the dye.
As for the coating-polish, it is obtained by dissolving about 30 grams of a mixture of fuchsin (rosaniline hydrochloride) and Paris violet, in 500 cm3 of alcohol, bringing the whole to the boil, until complete dissolution, then adding to this solution about 30 grams of alcohol tannin, and boiling for 10 minutes, then adding about 50 grams of shellac blonde in scales, which is dissolve while boiling gently for 15 minutes, and finally bringing the whole to 1 liter, by adding alcohol.
The final polishing of hides and skins can be facilitated by the addition of 10'1 / o of amyl alcohol to the coating-polish, but this addition is not essential.
The shades of bronze will depend on the proportion of Paris violet added to the fuchsin, and we can thus obtain from the greenest to the most red.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH85233T | 1916-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH85233A true CH85233A (en) | 1920-06-01 |
Family
ID=4341516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH85233D CH85233A (en) | 1916-02-21 | 1916-02-21 | Process for biting hides and skins. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH85233A (en) |
-
1916
- 1916-02-21 CH CH85233D patent/CH85233A/en unknown
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