AT41520B - Process for the production of artificial leather. - Google Patents
Process for the production of artificial leather.Info
- Publication number
- AT41520B AT41520B AT41520DA AT41520B AT 41520 B AT41520 B AT 41520B AT 41520D A AT41520D A AT 41520DA AT 41520 B AT41520 B AT 41520B
- Authority
- AT
- Austria
- Prior art keywords
- production
- artificial leather
- leather
- fabric
- emulsion
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000002649 leather substitute Substances 0.000 title claims description 3
- 239000000839 emulsion Substances 0.000 claims description 8
- 239000010985 leather Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 230000001476 alcoholic effect Effects 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 230000008719 thickening Effects 0.000 claims 1
- 235000013312 flour Nutrition 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Description
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Verfahren zur Herstellung von Kunstleder.
Die im Handel befindlichen Kunstleder stellen eine Imitation des Naturleders dar, indem sie dem Naturieder dadurch nahezukommen versuchen, dass sie mit einer genarbten Haut überzogen sind. Vielfach werden diese Erzeugnisse mit einer Schicht aus Korkmehl. vermischt mit einem Klebemittel wie Kautschukl isungen, Leim. Firnissen u. s. w. bestrichen oder Korkmehl wird aufgestäubt um die Griffigkeit des Naturleders möglichst nachzuahmen.
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bekannt. Diese Erzeugnisse werden bei sparsanier Zugabe eines Bindemittels bezw. Klebstoffes unter starkem Druck zu Platten von ganz beschränkter Grösse angefertigt.
Bei vorliegendem neuem Verfahren handelt es sich darum. eine Emulsion darzustellen. in der sich Naturle der in möglichst feinster Verteilung befindet. indem man Ledermehl in 01und Harzemulsion durch längere Digestion bei entsprechender Wärme und beständigem Rühren behandelt, bis ein einheitlicher Körper entstanden ist.
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man letztere durch das auf ca. 40 C angeheizte Walzenpaar eines Kalanders unter starkem Druck und unter ein- oder doppelseitigem Auflegen der Emulsion passieren lässt.
Das so imprägnierte (iewebe wird einige Tage getrocknet und dann wiederholt kalt unter stetem Druck n : 1chkalandert.
2. Bei der Herstellung von alkoholischer Emulsion arbeitet man wie bei der Herstellung der wässrigen, behandelt sie aber nur ca. 3 Stunden im Dampfbad unter Benützunrg eines Rück-
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t'3. Verwendet man eine Kombination aus beiderlei Emulsionen, so engt man die ungefähr 5 Stunden lang bei etwa 60fit C behandelte wässrige Emulsion zu einem wasserarmen Körper ein, gibt entsprechend Alkohol zu, digeriert eine Stunde bei ca. 400 und verfährt dann weiter wie oben.
Vorliegendes Verfahren gibt ein dem Naturleder an Ansehen und Griffigkeit ähnliches Produkt, welches aussenseits mit einer dünnen Schicht von Firnissen, Kollodium u. s. w. geschlossen und mittels gravierter Walzen oder Platten mit Naturnarben versehen werden kann.
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Process for the production of artificial leather.
The artificial leathers on the market represent an imitation of natural leather in that they try to come close to natural leather by covering them with a grained skin. Often these products come with a layer of cork flour. mixed with an adhesive such as rubber clings, glue. Varnishes and s. w. Brushed or dusted with cork flour in order to imitate the grip of the natural leather as much as possible.
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known. These products are BEZW with economical addition of a binding agent. Adhesive made into plates of very limited size under strong pressure.
This is what the new method is about. to represent an emulsion. in which nature is in the finest possible distribution. by treating leather flour in oil and resin emulsion through longer digestion with appropriate heat and constant stirring until a uniform body is formed.
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the latter is allowed to pass through the pair of rollers of a calender, heated to approx. 40 ° C., under high pressure and with the emulsion being applied on one or both sides.
The fabric impregnated in this way is dried for a few days and then repeatedly calendered cold under constant pressure.
2. In the production of alcoholic emulsions, the same procedure is used for the production of the aqueous emulsion, but only treats it for approx. 3 hours in the steam bath using a back
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t'3. If a combination of both types of emulsions is used, the aqueous emulsion treated for about 5 hours at about 60fit C is concentrated to a water-poor body, alcohol is added accordingly, digested at about 400 for an hour and then proceed as above.
The present process gives a product similar in appearance and grip to natural leather, which is coated on the outside with a thin layer of varnish, collodion and the like. s. w. closed and provided with natural grains by means of engraved rollers or plates.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1908207385D DE207385C (en) | 1908-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT41520B true AT41520B (en) | 1910-03-25 |
Family
ID=5793690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT41520D AT41520B (en) | 1908-01-13 | 1909-02-27 | Process for the production of artificial leather. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT41520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE751173C (en) * | 1937-01-07 | 1952-01-31 | Freudenberg Carl Fa | Process for the production of leather substitutes |
-
1909
- 1909-02-27 AT AT41520D patent/AT41520B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE751173C (en) * | 1937-01-07 | 1952-01-31 | Freudenberg Carl Fa | Process for the production of leather substitutes |
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