DE902621C - Process for the production of rubber plates - Google Patents

Process for the production of rubber plates

Info

Publication number
DE902621C
DE902621C DEP38024A DEP0038024A DE902621C DE 902621 C DE902621 C DE 902621C DE P38024 A DEP38024 A DE P38024A DE P0038024 A DEP0038024 A DE P0038024A DE 902621 C DE902621 C DE 902621C
Authority
DE
Germany
Prior art keywords
rubber
production
rubber plates
adhesive layers
metal
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
DEP38024A
Other languages
German (de)
Inventor
Karl Wedekind
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.)
GEA Group AG
Original Assignee
Metallgesellschaft 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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Priority to DEP38024A priority Critical patent/DE902621C/en
Application granted granted Critical
Publication of DE902621C publication Critical patent/DE902621C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C3/00—Reproduction or duplicating of printing formes
    • B41C3/04—Reproduction or duplicating of printing formes to produce rubber printing blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B41N6/02—Chemical means for fastening printing formes on mounting boards

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Description

Gegenstand des Hauptpatentes ist ein Verfahren zur Herstellung von Kautschukklischees, das darin besteht, daß man Platten aus Natur- oder/und Kunstkautschukmischungen mittels einer oder mehrerer Haftschichten während der Vulkanisation mit einer Unterlage verbindet, die unter den vorkommenden Beanspruchungen sich parallel zur Ebene des Schriftspiegels nicht verformen kann. Diese Unterlage kann starr oder biegsam sein und beispielsweise aus Metallen, wie Eisen, Leichtmetall, Stereometall, Blei, oder aus einem Kunststoff bestehen. Für ölfeste Mischungen von Mischpolymerisaten aus Butadien und Acrylsäurenitril kann als Haftschicht Chlorkautschuk verwendet werden, für die häufig und insbesondere im Anilindruck gebrauchten Mischungen von Naturkautschuk oder von Mischpolymerisaten aus Butadien und Styrol werden Haftschichten aus Chlorkautschuk und ein Hämoglobin-Natur- oder Hämoglobin-Kunstkautschuklatex-Gemisch angewandt.The subject of the main patent is a process for the production of rubber clichés, which is contained therein consists that you can plates made of natural and / or synthetic rubber mixtures by means of an or several adhesive layers during vulcanization with a base that connects under the occurring Stresses cannot deform parallel to the plane of the writing surface. This base can be rigid or flexible and, for example, made of metals such as iron, light metal, Stereo metal, lead, or made of a plastic. For oil-proof mixtures of copolymers Made of butadiene and acrylonitrile, chlorinated rubber can be used as the adhesive layer for the mixtures of natural rubber that are frequently used, especially in anil printing or mixed polymers of butadiene and styrene become adhesive layers made of chlorinated rubber and a hemoglobin-natural or hemoglobin-synthetic rubber latex mixture is used.

Die Haftschichten bewirken eine außerordentlich feste Bindung zwischen der Kautschukplatte und dem Metall in der Größenordnung von 50 bis über 100 kg/cm2. Die Bindung ist unter Umständen sogar größer als die Materialfestigkeit der Kautschukmischung. Auch sind diese Haftschichten bei geeigneter Lagerung monatelang haftfähig, so daß man die mit diesen Haftmitteln versehenen Metallbzw. Kautschukplatten beliebig lange in Vorrat halten kann.The adhesive layers produce an extremely strong bond between the rubber sheet and the metal in the order of magnitude of 50 to over 100 kg / cm 2 . The bond may even be greater than the material strength of the rubber mixture. With suitable storage, these adhesive layers are also adhesive for months, so that the metal and / or metal sheets provided with these adhesives can be used. Can keep rubber sheets in stock for as long as desired.

In weiterer Ausarbeitung der Erfindung hat sich gezeigt, daß man statt der im Hauptpatent beschriebenen Haftmittel auch weiche Polymerisationsprodukte mit kautschukähnlichen physikali-In a further elaboration of the invention it has been shown that instead of the one described in the main patent Adhesives also include soft polymerisation products with rubber-like physical

sehen Eigenschaften, ζ. Β. Polyisocyanate, ferner Chloropren verwenden kann. Der Vorteil dieser Haftmittel Hegt darin, daß sie jeder Art von sowohl Naturkautschuk- wie auch Kunstkautschukmischungen zur Erzielung bester Haftwirkung angepaßt werden können.see properties, ζ. Β. Polyisocyanates, furthermore Can use chloroprene. The advantage of these adhesives is that they can be used for any type of both Natural rubber as well as synthetic rubber mixtures adapted to achieve the best adhesion can be.

Claims (3)

Patentansprüche:Patent claims: i. Verfahren zur Herstellung von Kautschukklischees nach Patent 894 120, dadurch gekennzeichnet, daß man als Material für die Haftschichten zwischen Klischee und Unterlage weiche Polymerisationsprodukte mit kautschukähnlichen physikalischen Eigenschaften verwendet. i. Process for the production of rubber clichés according to patent 894 120, characterized in, that one as a material for the adhesive layers between the cliché and the base soft polymerisation products with rubber-like physical properties used. 2. Verfahren nach Anspruch r, dadurch gekennzeichnet, 'daß man Polyisocyanate verwendet. 2. The method according to claim r, characterized in that 'that one uses polyisocyanates. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man Chloropren verwendet.3. The method according to claim 1, characterized in that that chloroprene is used. © 5703 1.54© 5703 1.54
DEP38024A 1949-03-28 1949-03-29 Process for the production of rubber plates Expired DE902621C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP38024A DE902621C (en) 1949-03-28 1949-03-29 Process for the production of rubber plates

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE30024 1949-03-28
DEP38024A DE902621C (en) 1949-03-28 1949-03-29 Process for the production of rubber plates
DE50909 1949-08-03

Publications (1)

Publication Number Publication Date
DE902621C true DE902621C (en) 1954-01-25

Family

ID=27179955

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP38024A Expired DE902621C (en) 1949-03-28 1949-03-29 Process for the production of rubber plates

Country Status (1)

Country Link
DE (1) DE902621C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137747B (en) * 1957-01-18 1962-10-11 Kalle Ag Process for the production of boil-proof prints on structures made of regenerated cellulose using letterpress inks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137747B (en) * 1957-01-18 1962-10-11 Kalle Ag Process for the production of boil-proof prints on structures made of regenerated cellulose using letterpress inks

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