DE537031C - Process for the production of small particles from vulcanized soft rubber - Google Patents

Process for the production of small particles from vulcanized soft rubber

Info

Publication number
DE537031C
DE537031C DE1930537031D DE537031DD DE537031C DE 537031 C DE537031 C DE 537031C DE 1930537031 D DE1930537031 D DE 1930537031D DE 537031D D DE537031D D DE 537031DD DE 537031 C DE537031 C DE 537031C
Authority
DE
Germany
Prior art keywords
rubber
production
small particles
soft rubber
vulcanized soft
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
DE1930537031D
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.)
CLOUTH RHEIN GUMMIWARENFABRIK
Original Assignee
CLOUTH RHEIN GUMMIWARENFABRIK
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 CLOUTH RHEIN GUMMIWARENFABRIK filed Critical CLOUTH RHEIN GUMMIWARENFABRIK
Application granted granted Critical
Publication of DE537031C publication Critical patent/DE537031C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L19/00—Compositions of rubbers not provided for in groups C08L7/00 - C08L17/00
    • C08L19/003—Precrosslinked rubber; Scrap rubber; Used vulcanised rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/30—Polymeric waste or recycled polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Description

Verfahren zur Herstellung von kleinen Teilchen aus vulkanisiertem Weichgummi Für verschiedene technische Zwecke, beispielsweise für gewisse Schmutzbeseitigungsverfahren, bei denen eine Lauge die zu reinigenden Maschinenteile umspült, benötigt man fein verteilten vulkanisierten Weichgummi, vorzugsweise in Gestalt von Stäbchen oder Plättchen. Die Erfindung bezieht sich auf ein Verfahren zur Herstellung solcher Kautschukteilchen.Process for the production of small particles from vulcanized Soft rubber For various technical purposes, for example for certain dirt removal processes, where a lye washes around the machine parts to be cleaned, you need fine distributed vulcanized soft rubber, preferably in the form of rods or Tile. The invention relates to a method for producing such Rubber particles.

Als Ausgangsmaterial dienen vulkanisierte Kautschukabfälle, in erster Linie solche aus derGummifädenfabrikation. Erfindungsgemäß werden die Fäden zunächst in eine Seifenlösung oder eine andere verdünnte Lauge getaucht,- so daß die gesamte Oberfläche der Kautschukteilchen von der Flüssigkeit bedeckt ist. Die so angefeuchteten Gummifäden werden dann zur Zerkleinerung auf ein bekanntes Mahlwalzwerk gegeben, das glatte oder geriffelte Walzen hat, die mit gleicher oder etwas verschiedener Umfangsgeschwindigkeit (Friktion) umlaufen. Nach einmaligem Durchgang durch das Walzwerk werden die zerkleinerten Kautschukteilchen abgespült, getrocknet und, falls nötig, mit Hilfe einer Siebvorrichtung sortiert. In Abänderung des Verfahrens kann die Seifenlösung den Gummiabfällen auch erst während des Durchgangs durch das Walzwerk beigegeben werden. Es ist zwar schon vorgeschlagen worden, den Kautschuk vor dem Zermahlen zu befeuchten, hierbei ist jedoch an eine innere Befeuchtung bzw. Aufquellung des Kautschuks gedacht. Demgegenüber hat die Behandlung des Ausgangsmaterials mit Seifenlösung den Zweck, das Zusammenbacken der im Walzwerk zerquetschten Teilchen zu kleinen Gummifellen zu verhindern. Ferner muß dafür Sorge getragen werden, daß nicht eine Zerkleinerung der Kautschukabfälle bis zur Pulverform, sondern eine Zerkleinerung in Form kleiner Teile, wie z. B. Stäbchen oder Plättchen, erhalten wird. Die Menge der angewandten Seifenlösung muß daher so groß sein, daß sie auch nach Durchgang der Teilchen durch das Walzwerk die gesamte Oberfläche des Gummis zu bedecken vermag.Vulcanized rubber waste serves as the starting material, primarily Line those from rubber thread production. According to the invention, the threads are initially dipped in a soap solution or some other diluted lye, - so that the entire Surface of the rubber particles is covered by the liquid. The so moistened Rubber threads are then given to a known grinding mill for comminution, that has smooth or corrugated rollers that are identical or slightly different Circumferential speed (friction). After going through the The crushed rubber particles are rinsed off, dried and, if necessary, in the rolling mill necessary, sorted with the help of a sieve device. In modification of the procedure can the soap solution does not add the rubber waste until it passes through the rolling mill be added. Although it has already been proposed to use rubber before To moisten the grind, but this is an internal moistening or swelling thought of rubber. In contrast, the treatment of the starting material with Soap solution has the purpose of caking the particles crushed in the rolling mill to prevent too small rubber heads. Care must also be taken that not a crushing of the rubber waste into powder form, but a crushing in the form of small parts, such as B. rods or platelets is obtained. The amount the soap solution used must therefore be so large that it also after passage of the particles through the rolling mill is able to cover the entire surface of the rubber.

Claims (1)

PATENTANSPRUCI'I Verfahren zur Herstellung von kleinen Teilchen aus vulkanisiertem Weichgummi, dadurch gekennzeichnet, daß Kautschukabfälle, vornehmlich solche aus der Gummifädenfabrikation, einem bekannten Mahlwalzwerk zugeführt und vor oder während des Durchgangs durch das Mahlwalzwerk mit einer verdünnten Lauge, z. B. Seifenlösung, überzogen werden.PATENT CLAIMS Process for the production of small particles vulcanized soft rubber, characterized in that rubber waste, primarily those from rubber thread production, fed to a known grinding mill and before or during the passage through the grinding mill with a diluted lye, z. B. Soap solution, are coated.
DE1930537031D 1930-06-24 1930-06-24 Process for the production of small particles from vulcanized soft rubber Expired DE537031C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE537031T 1930-06-24

Publications (1)

Publication Number Publication Date
DE537031C true DE537031C (en) 1931-10-29

Family

ID=6557551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1930537031D Expired DE537031C (en) 1930-06-24 1930-06-24 Process for the production of small particles from vulcanized soft rubber

Country Status (1)

Country Link
DE (1) DE537031C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100949B (en) * 1955-12-21 1961-03-02 Bayer Ag Process for the production of powdery polycarbonates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100949B (en) * 1955-12-21 1961-03-02 Bayer Ag Process for the production of powdery polycarbonates

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