DE569129C - Process for the production of porous bodies - Google Patents

Process for the production of porous bodies

Info

Publication number
DE569129C
DE569129C DEB135988D DEB0135988D DE569129C DE 569129 C DE569129 C DE 569129C DE B135988 D DEB135988 D DE B135988D DE B0135988 D DEB0135988 D DE B0135988D DE 569129 C DE569129 C DE 569129C
Authority
DE
Germany
Prior art keywords
rubber
production
porous bodies
vulcanized
jelly
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
DEB135988D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEB135988D priority Critical patent/DE569129C/en
Application granted granted Critical
Publication of DE569129C publication Critical patent/DE569129C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • C08J2321/02—Latex

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)

Description

Verfahren zur Herstellung poröser Körper Zur Herstellung poröser Körper aus durchlässigen und undurchlässigen, faserförmigen oder körnigen oder pulverigen indifferenten Stoffen, welche durch vulkanisierten porösen Kautschuk miteinander verbunden sind, wurde vorgeschlagen, diese Stoffe mit einem Gemisch von Kautschukmilch, Schwefel und einer Ölemulsion zu befeuchten, zu formen und in der Wärme zu trocknen, wobei der entweichende Wasserdampf Poren bildet, und endlich zti vulkanisieren. Die Poren werden hierbei weit über der Sichtbarkeitsgrenze liegen. Auch bei Herstellung der die Struktur von natürlichen Schwämmen besitzenden Körpern, welche durchKoagulieren vonKautschukinilch unter Zusatz von Schwefel und einem Blähmittel und nachfolgenden Vulkanisieren entstehen, wurden der Masse Zusätze, wie faserige Körper, gemacht, so daß diese durch porösen Kautschuk verbunden wurden, dessen Poren ebenfalls weit über der Sichtbarkeitsgrenze liegen.Process for the production of porous bodies For the production of porous bodies from permeable and impermeable, fibrous or granular or powdery indifferent substances, which are interconnected by vulcanized porous rubber it was suggested to mix these substances with a mixture of rubber milk, To moisten, shape and warmly dry sulfur and an oil emulsion, The escaping water vapor forms pores and finally vulcanizes. The pores will be well above the visibility limit. Even in production bodies having the structure of natural sponges which coagulate of rubber milk with the addition of sulfur and a blowing agent and subsequent Vulcanize, additions, such as fibrous bodies, were made to the mass, so that these were connected by porous rubber, the pores of which are also wide are above the visibility limit.

Das Verfahren nach der Erfindung bezweckt die Herstellung poröser Körper aus beliebigen, auch ausschließlich undurchlässigen, faserförmigen oder körnigen oder pulverigen Stoffen, welche durch vulkanisierten porösen Kautschuk miteinander verbunden sind, deren Poren dein freien Auge unsichtbar sind. Das Verfahren ist folgendes: Der durch den porösen Kautschuk zu verbindende körnige oder faserige Stoff wird mit Kautschulemilch' in verhältnismäßig geringen Mengen versetzt, etwa so, daß 15 °/o Kautschuk auf das fertige Produkt kommen, und mit einer entsprechenden Menge Schwefel gut vermischt. Dann wird ein Koagulationsmittel, beispielsweise ein Salz der alkalischen Erden oder des Magnesiums, zugesetzt, welches die Kautschukmilch in eine homogene zusammenhängende Gallerte verwandelt, welche den ganzen Körper netzartig durchzieht. Hierbei ist die Anwesenheit solcher Stoffe zu vermeiden, welche im Lauf des Herstellungsverfahrens Gase oder Dämpfe entwickeln können. Nun kann die Masse in beliebige Formen gebracht werden und wird dann feucht in Anxvesenheit von gesättigtem Dampf oder in Wasser vulkanisiert.The method according to the invention aims to produce more porous ones Body made from any, including exclusively impermeable, fibrous or granular or powdery substances, which are vulcanized porous rubber with each other connected, the pores of which are invisible to your naked eye. The procedure is the following: The granular or fibrous to be joined by the porous rubber Substance is mixed with chewing milk in relatively small amounts, for example so that 15 per cent of the rubber is applied to the finished product, and with a corresponding amount Amount of sulfur mixed well. Then a coagulant, for example a Salt of the alkaline earths or of magnesium, which is added to the rubber milk transformed into a homogeneous, coherent jelly, which covers the whole body meshes through. The presence of such substances is to be avoided here, which may develop gases or vapors during the manufacturing process. Well can the mass can be brought into any shape and then becomes moist in suspense by saturated steam or vulcanized in water.

Die Produkte werden zur Herstellung von Filterplatten, elektrolytischen Diaphragmen, Adsorptionsplatten (z. B. bei Verwendung von Silica-Gel), für Wärmeisolation, Lagerschalen u. a. verwendet.The products are used to manufacture filter plates, electrolytic Diaphragms, adsorption plates (e.g. when using silica gel), for thermal insulation, Bearing shells, etc. used.

Claims (1)

PATENTAXSPRUCH: Verfahren zur Herstellung poröser Körper aus durchlässigen oder undurchlässigen faserförmigen, körnigen oder pulverförmigen indifferenten Stoffen, welche durch vulkanisierten, mit einer Vielzahl dem freien Auge unsichtbaren Poren versehenenKautschuk miteinander verbunden sind, dadurch gekennzeichnet, daß man die genannten durchlässigen oder undurchlässigen Stoffe mit Kautschukmilch und Schwefel vermischt, hierauf in an sich bekannter Weise die Kautschukmilch unter Vermeidung solcher Zusatzstoffe, die im Verlauf des Herstellungsverfahrens Gase oder Dämpfe bilden können, in eine homogene zusammenhängende Gallerte verwandelt und unter solchen Bedingungen vulkanisiert, daß eine Verdampfung des in den Poren der Gallerte enthaltenen Wassers nicht stattfinden kann.PATENT CLAIM: Process for the production of porous bodies from permeable or impermeable fibrous, granular or powdery indifferent substances, which by vulcanized, with a multitude of the free Eye invisible pore-filled rubber are connected to each other, thereby characterized in that one said permeable or impermeable substances mixed with rubber milk and sulfur, then in a manner known per se the Rubber milk avoiding such additives that occur in the course of the manufacturing process Gases or vapors can form, transformed into a homogeneous coherent jelly and vulcanized under such conditions that evaporation of the in the pores the water contained in the jelly cannot take place.
DEB135988D 1928-02-18 1928-02-18 Process for the production of porous bodies Expired DE569129C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB135988D DE569129C (en) 1928-02-18 1928-02-18 Process for the production of porous bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB135988D DE569129C (en) 1928-02-18 1928-02-18 Process for the production of porous bodies

Publications (1)

Publication Number Publication Date
DE569129C true DE569129C (en) 1933-01-30

Family

ID=6998885

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB135988D Expired DE569129C (en) 1928-02-18 1928-02-18 Process for the production of porous bodies

Country Status (1)

Country Link
DE (1) DE569129C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752154C (en) * 1938-04-05 1953-04-27 Aeg Rod core current transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752154C (en) * 1938-04-05 1953-04-27 Aeg Rod core current transformer

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