DEP0007721DA - Process for the production of flat structures with a leather-like character - Google Patents
Process for the production of flat structures with a leather-like characterInfo
- Publication number
- DEP0007721DA DEP0007721DA DEP0007721DA DE P0007721D A DEP0007721D A DE P0007721DA DE P0007721D A DEP0007721D A DE P0007721DA
- Authority
- DE
- Germany
- Prior art keywords
- leather
- flat structures
- character
- production
- polyvinyl chloride
- 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
- 238000000034 method Methods 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 238000003490 calendering Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000010985 leather Substances 0.000 description 2
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- -1 finishes Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Description
Es ist bekannt, Flächengebilde anorganischer oder organischer Rohstoffgrundlage, sogenannte Vliese, Filze oder Krempelflore mit Kautschuk, Mischpolymerisaten auf Basis Vinyl oder Acrylverbindungen, Polyvinylchloriddispersionen mit beigemischten emulgierten Weichmachern, Appreturen, Leimen sowie Polyamidlösungen zu netzen, zu tränken oder zu besprühen und anschliessend nass oder getrocknet zu verpressen, um einen Werkstoff zu erhalten, der geeignet ist, für viele Verwendungszwecke, anstelle von Leder eingesetzt zu werden. Auch ist ein Verfahren bekannt, Polyvinylchloridpulver in erwähnte Flächengebilde einzustreuen und danach bei höheren Temperaturen zu verpressen. Bei vorgenannten Verfahren werden nach Zweckmässigkeit Füll- und Farbstoffe dem Binde- und Tränkmittel zugesetzt. Bei keiner der bekannten Ausführen, die öffentlich feilgeboten werden, ist jedoch eine Beschichtung der Vliese, Filze oder Flore mit weichmacherhaltigen Polyvinylchloridmischungen, genannt oder ausgeführt worden, bei der die Aufstrichmasse bestehend aus Polyvinylchloridpulver, Farb- und Füllstoffen, mit Weichmacher angeteigt und dann mittels Streicheinrichtungen oder Kalander auf Flächengebilde vorgeschriebener Art als Deckschicht aufgebracht wird.It is known that flat structures of inorganic or organic raw material bases, so-called fleeces, felts or carded webs can be wetted, soaked or sprayed with rubber, copolymers based on vinyl or acrylic compounds, polyvinyl chloride dispersions with added emulsified plasticizers, finishes, glues and polyamide solutions and then wet or dried to be pressed in order to obtain a material that is suitable for many purposes to be used instead of leather. A method is also known for sprinkling polyvinyl chloride powder into the flat structures mentioned and then pressing them at higher temperatures. In the aforementioned processes, fillers and dyes are added to the binding and impregnating agent as appropriate. In none of the known designs that are publicly offered for sale, however, a coating of the fleeces, felts or piles with plasticizer-containing polyvinyl chloride mixtures is mentioned or carried out, in which the spread consisting of polyvinyl chloride powder, dyes and fillers, made into a paste with plasticizer and then using spreaders or calender is applied as a top layer to flat structures of the prescribed type.
Durch die im Schutzanspruch genannte Beschichtung, bestehend aus weichgemachtem Polyvinylchloridpulver, erhalten genannte Vliese bzw. Flächengebilde eine ausserordentliche Reissfestigkeit und Dehnfähigkeit, die die Verarbeitung für hochwertige Polsterung oder in der Lederwarenindustrie zulässt.As a result of the coating mentioned in the protection claim, consisting of plasticized polyvinyl chloride powder, said fleeces or flat structures have an extraordinary tensile strength and elasticity, which allows processing for high-quality upholstery or in the leather goods industry.
Die folgenden Beispiele für die zu verwendenden Lösungen verdeutlichen das Verfahren:The following examples of the solutions to use illustrate the procedure:
zwischen 1 und 2 variierend.varying between 1 and 2.
Claims (1)
Family
ID=
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