DE816603C - Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber - Google Patents

Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber

Info

Publication number
DE816603C
DE816603C DEP9930A DEP0009930A DE816603C DE 816603 C DE816603 C DE 816603C DE P9930 A DEP9930 A DE P9930A DE P0009930 A DEP0009930 A DE P0009930A DE 816603 C DE816603 C DE 816603C
Authority
DE
Germany
Prior art keywords
vulcanized fiber
sheets
acid
molded parts
parts made
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
Application number
DEP9930A
Other languages
German (de)
Inventor
Ernst Dr Becker
Franz Dipl-Chem Schoenen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Priority to DEP9930A priority Critical patent/DE816603C/en
Application granted granted Critical
Publication of DE816603C publication Critical patent/DE816603C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Description

Verfahren zum Aufpressen von wasser-, säure- und witterungsfesten Uberzügen auf Folien, Platten oder Formstücken aus Vulkanfiber Die Erfindung bezieht sich auf ein Verfahren zum Rufpressen von wasser-, säure- und witterungsfesten Cberzügen auf Folien, Platten oder Formstücken aus Vull:aiifil>er ohne Leim- oder Bindemittel und ohne vorheriges Aufkleben einer Zwischenschicht.Process for pressing water, acid and weatherproof Coatings on foils, sheets or molded pieces made of vulcanized fiber The invention relates focuses on a process for pressing water, acid and weatherproof coatings on foils, plates or molded pieces made of Vull: aiifil> er without glue or binding agent and without an intermediate layer being glued on beforehand.

Die bisher benutzten Überzüge für Vulkanfiber sind teils nicht genügend beständig gegen Wasser, Säuren und Witterungseinflüsse oder gegen mechanische Abnutzung, teils halten sie den Formveränderungen hei der Verarbeitung der Vulkanfiber nicht stand. Nach dem Patent 708 793 werden erst ein feinfädiges Gewebe, Fasern oder Verbände daraus unter Verwendung von Klebemitteln aufgeklebt, sodann eine Folie aus Polymerisationsprodukten des Vinylchlorids oder Mischpolymerisaten des Vin@,lchlorids mit anderen ungesättigten organischen Verbindungen aufgeklebt oder aufgepreßt. Um obige Unzulänglichkeiten abzustellen, und Ferner um das Gewebe bzw. Faserzwischenschicht einzusparen, und um die mit ihrem Aufkleben verbundenen Arbeitsgänge zu umgehen, wird gemäß der vorliegenden Erfindung als Vulkanfiberunterlage an Stelle gewöhnlicher Vulkanfiber eine Vullcanfiber benutzt, die eine nur schwach oder gar nicht pergamentierte Papierschicht als oberste Lage aufweist. Bei nach dem fortlaufenden Verfahren leergestellter Vulkanfiber ist derartiges Material in dünnen Stärken als sog. vegetabilisches Leder bekannt. Hergestellt wird derartige Vulkanfiber nach dem fortlaufenden Verfahren so, daß man die oberste Papierbahn nicht durch das Pergamentierungsbad zieht, sondern unpergamentiert auf die übrigen perganientierten Lagen aufgautscht. Beim Wickelverfahren gewinnt man derartiges Material dadurch, daß man bei der letzten Umdrehung eine unpergamentierte Papierbahn mitauflaufen läßt. Die nicht pergamentierten Bahnen pergämentieren so zwar fest auf, behalten aber eine mehr oder wenige große Porösität bei, je nach ihrer Dicke und spezifischen Pergamentierfähigkeit. Auf diese schwach pergamentierte Oberfläche lassen sich unter geeigneten Preßbedingungen Folien aus Polymerisationsprodukten des Vinylchlorids oder Mischpolymerisaten des Vinylchlorids mit anderen ungesättigten.organischen Verbindungen durch Heißpressen aufbringen. Ferner kann das Polymerisationsprodukt in Lösung auf die nicht pergamentierte Seite der Vulkanfiber aufgebracht werden und nach dem Verdunsten des Lösungsmittels der entstandene Film ebenfalls unter geeigneten Bedingungen aufgepreßt werden.Some of the covers for vulcanized fiber used up to now are not sufficiently resistant to water, acids and weather influences or to mechanical wear, and sometimes they do not withstand the changes in shape during processing of the vulcanized fiber. According to patent 708 793, a fine-thread fabric, fibers or associations are first glued on using adhesives, then a film made of polymerization products of vinyl chloride or copolymers of vinyl chloride with other unsaturated organic compounds is glued or pressed on. In order to remedy the above inadequacies, and also to save the fabric or fiber intermediate layer, and to avoid the operations associated with gluing them on, according to the present invention, instead of ordinary vulcanized fiber, a vulcanized fiber is used as a vulcanized fiber base, which is a lightly parchmented paper layer or not at all as the top layer. In the case of vulcanized fiber emptied according to the continuous process, such material in thin thicknesses is known as so-called vegetable leather. Such vulcanized fiber is manufactured according to the continuous process in such a way that the uppermost paper web is not pulled through the parchment bath, but rather unparchmented onto the other pergan-oriented layers. In the winding process, such material is obtained by letting a non-parchment paper web run up with the last revolution. In this way, the non-parchmented webs parchment firmly, but retain a greater or lesser degree of porosity, depending on their thickness and specific parchmentability. Under suitable pressing conditions, films made from polymerization products of vinyl chloride or copolymers of vinyl chloride with other unsaturated organic compounds can be applied to this lightly parchmented surface by hot pressing. Furthermore, the polymerization product can be applied in solution to the non-parchmented side of the vulcanized fiber and, after the solvent has evaporated, the resulting film can also be pressed on under suitable conditions.

Um ein festes Haften .der Folien auf der Vulkanfiber zu erreichen, genügt es nicht, daß die Preßtemperatur im Bereich des Erweichungsproduktes der aufzupressenden Folie liegt, wo nur mit geringem Druck gepreßt werden kann, um ein Wegfließen der Folie zu vermeiden, sondern es muß beim Abkühlen des Preßlings der Preßdruck auf ein Vielfaches des Anfangsdruckes gesteigert werden.To ensure that the foils adhere firmly to the vulcanized fiber, it is not sufficient that the pressing temperature is in the range of the softening product of the The film to be pressed on is where it can only be pressed with low pressure in order to achieve a To avoid flowing away of the film, but it must when the pressed part cools down Compression pressure can be increased to a multiple of the initial pressure.

Claims (1)

PATENTANSPRUCH: Verfahren zum Aufpressen eines wasser-> säure- und wetterfesten Überzuges aus Polymerisationsprodukten des Vinylchlorids oder Mischpolymerisaten des Vinylchlorids mit anderen ungesättigten organischen Verbindungen auf Vulkanfiberfolien, -platten und -formstücken ohne Verwendung von Klebe- oder Bindemitteln unter geeigneten Preßbedingungen, dadurch gekennzeichnet, daß Vulkanfiber verwendet wird, die auf der mit dem Überzug zu versehenden Seite eine schwach pergamentierte Papierschicht aufweist. PATENT CLAIM: Process for pressing a water-> acid- and weather-resistant coating of polymerisation products of vinyl chloride or copolymers of vinyl chloride with other unsaturated organic compounds onto vulcanized fiber sheets, sheets and molded pieces without the use of adhesives or binders under suitable pressing conditions, characterized in that Vulcanized fiber is used, which has a lightly parchmented paper layer on the side to be provided with the cover.
DEP9930A 1948-10-02 1948-10-02 Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber Expired DE816603C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP9930A DE816603C (en) 1948-10-02 1948-10-02 Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP9930A DE816603C (en) 1948-10-02 1948-10-02 Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber

Publications (1)

Publication Number Publication Date
DE816603C true DE816603C (en) 1951-10-11

Family

ID=7362574

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP9930A Expired DE816603C (en) 1948-10-02 1948-10-02 Process for pressing water-, acid- and weatherproof coatings onto foils, sheets or molded parts made of vulcanized fiber

Country Status (1)

Country Link
DE (1) DE816603C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950967C (en) * 1952-02-10 1956-10-18 Bayer Ag Process for the production of coated vulcanized fiber panels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950967C (en) * 1952-02-10 1956-10-18 Bayer Ag Process for the production of coated vulcanized fiber panels

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