DE4437880C2 - Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi - Google Patents

Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi

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Publication number
DE4437880C2
DE4437880C2 DE4437880A DE4437880A DE4437880C2 DE 4437880 C2 DE4437880 C2 DE 4437880C2 DE 4437880 A DE4437880 A DE 4437880A DE 4437880 A DE4437880 A DE 4437880A DE 4437880 C2 DE4437880 C2 DE 4437880C2
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Germany
Prior art keywords
rapeseed oil
weight
rubber
methyl ester
composition
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 - Fee Related
Application number
DE4437880A
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English (en)
Other versions
DE4437880A1 (de
Inventor
Wilfried Otte
Klaus Streich
Horst Dr Menzel
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.)
CARAMBA CHEMIE GMBH & CO. KG, 47055 DUISBURG, DE
Original Assignee
CARAMBA CHEMIE GmbH
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Filing date
Publication date
Application filed by CARAMBA CHEMIE GmbH filed Critical CARAMBA CHEMIE GmbH
Priority to DE4437880A priority Critical patent/DE4437880C2/de
Priority to DE59510464T priority patent/DE59510464D1/de
Priority to EP95112645A priority patent/EP0708169B1/de
Priority to AT95112645T priority patent/ATE228160T1/de
Publication of DE4437880A1 publication Critical patent/DE4437880A1/de
Application granted granted Critical
Publication of DE4437880C2 publication Critical patent/DE4437880C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
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    • C10M2229/04—Siloxanes with specific structure
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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
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    • C10N2040/50—Medical uses

Description

Die Erfindung betrifft die Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi.
Herkömmliche Gummipflegemittel sind auf Basis von Benzinkohlenwasserstoffen, wie Leicht- oder Testbenzin kombiniert mit mineralölstämmigen Fraktionen aufge­ baut. Bekannt ist auch die Verwendung wässeriger Öl-, Silicon- oder Wachsemul­ sionen als Gummipflegemittel.
Nachteilig bei diesen Produkten ist die schlechte biologische Abbaubarkeit und bei den wässerigen Öl- bzw. Siliconemulsionen deren Frostempfindlichkeit, die eine Anwendung als Gummipflegemittel für Kraftfahrzeugtürdichtungen und Kraftfahr­ zeugfensterdichtungen bei tiefen Temperaturen einschränkt. Insbesondere bei den auf Basis von mineralölstämmigen Kohlenwasserstoffraktionen zusammengesetzten Gummipflegemitteln wird die Farbe des Gummis verändert und die Anwendung sol­ cher Pflegemittel verleiht dem Gummi einen unerwünschten Oberflächenglanz.
Zur Vermeidung von Nachteilen, die beispielsweise durch den Einsatz mineralöl­ haltiger Schmiermittel, Schalöle und Bohremulsionen hervorgerufen werden, ist der Einsatz von Ölen und Ölemulsionen auf der Basis von nativen Esterölen vorge­ schlagen worden, vgl. DE 34 19 415 A1.
In der Druckschrift AT-B-398 078 ist die Verwendung einer Mischung von Rapsöl, Rapsmethylester und Zusätzen als Trennmittel für Betonbauschalungen beschrie­ ben.
In der Druckschrift WO 91/02784 A1 sind umfeldfreundliche Grundöle, wie Rüböl oder Sojaöl für die Formulierung von Hydraulikölen beschrieben.
Es ist auch bekannt, daß technisches Ricinusöl als Schmiermittel für Hochleistungs- Verbrennungsmotoren eingesetzt worden ist, vgl. DE 41 38 910 A1.
Die Erfindung betrifft demgegenüber die Verwendung einer Zusammensetzung der eingangs genannten Art aus Rapsölmethylester oder Rapsölethylester und Rapsöl.
Vorzugsweise enthält eine Zusammensetzung für den genannten Zweck
90 bis 5 Gew.-% Rapsölmethylester oder Rapsölethylester,
80 bis 5 Gew.-% Rapsöl,
0 bis 10 Gew.-% Carnaubawachs,
0 bis 10 Gew.-% Siliconöl,
0 bis 5 Gew.-% Polytetrafluorethylenpulver,
0 bis 1 Gew.-% fluorierter Alkylester,
0 bis 1 Gew.-% nichtionogener Emulgator.
Bei teilweiser oder vollständiger Substitution des Anteils an Rapsölmethylester durch Rapsölethylester resultieren Zusammensetzungen mit verbessertem Kältever­ halten bei der Verwendung als Gummipflegemittel.
Für bestimmte Anwendungen, beispielsweise Hartgummi, sind Abmischungen mit Zusätzen von 0,001 bis 1 ,0 Gew.-% fluorierter Alkylester als Netzmittel vorteilhaft.
Falls es auf besonders gute Oberflächengleiteigenschaften ankommt, kann hier durch Zusätze von 0,001 bis 10 Gew.-% Siliconöl (Methyl-, Phenylmethylsiliconöle) oder auch 0,001 bis 5 Gew.-% Polytetrafluorethylenpulver ein entsprechendes Ver­ halten eingestellt werden.
Als nichtionogene Emulgatoren, die in Mengen von vorzugsweise 0 bis 1,0 Gew.-% zugesetzt werden können, haben sich Oxoalkohole als günstig erwiesen.
Die Verwendung als Gummipflegemittel wird vorgeschlagen insbesondere im Kraft­ fahrzeugbereich für die bereits erwähnten Tür- und Fensterdichtungen, aber auch für Windschutzscheibendichtungen, Kofferraumdichtungen u. dgl., sowie bei ent­ sprechenden Gummidichtungen im Bootsbereich.
Die verwendeten Zusammensetzungen sind wirksam bei natürlichen und synthe­ tischen Kautschuken und können beispielsweise bei der Pflege der Flanken von Fahrzeugreifen, von Fenster- und Türdichtungen im Wohn- oder Industriebereich, von Griffstücken, Handschuhen, Schuhen, Kabeln, Latexartikeln u. dgl. von Nutzen sein.
Die verwendeten Mittel erhalten Gummi in unterschiedlicher Shore-Härte, wie sie insbesondere am Kraftfahrzeug verwendet werden, geschmeidig und verleihen den Produkten ein gepflegtes Äußeres.
So läßt sich die Gummielastizität derartiger Elastomere durch die Verwendung der angegebenen Zusammensetzungen länger erhalten und die Verschlechterung der Materialeigenschaften durch Oxidation, Verschmutzung und UV-Strahlung wird wirk­ sam gebremst.
Die biologische Abbaubarkeit der verwendeten Zusammensetzung ist als gut zu bezeichnen. So wird Rapsöl nach der CEC- L 33T 82-Methode innerhalb von 21 Tagen um mindestens 80% abgebaut, während dies bei Mineralölen nur zu 15-20% der Fall ist. Auch die Abbaubarkeit von Rapsölmethylester ist besser als die­ jenige der an sich für die angegebene Verwendung ebenfalls in Betracht kom­ menden mineralölstämmigen Fraktionen.
Eine für die Verwendung als Gummipflegemittel besonders geeignete und bevor­ zugte Rezeptur hat die folgende Zusammensetzung:
50,0 Gew.-% Rapsölmethylester
48,5 Gew.-% Rapsöl
1,0 Gew.-% Methyl-Siliconöl 500
0,5 Gew.-% Oxoalkohol.
Eine andere im Rahmen der Erfindung liegende Rezeptur im Sinne eines Aus­ führungsbeispiels hat die Zusammensetzung:
50,0 Gew.-% Rapsölmethylester
49,0 Gew.-% Rapsöl
1,0 Gew.-% Polytetrafluorethylenpulver.
Die damit erzielten Ergebnisse (Bewitterungstest, UV-Bestrahlungstest, Ozonbe­ handlungstest oder dgl.) lassen sich wie folgt zusammenfassen:
Bewitterungstests erfolgten durch Anwendung am PKW über eine Laufleistung von ca. 10.000 km.
Die Beständigkeit gegenüber Beregnung und UV-Strahlung ist geringer einzustufen als bei herkömmlichen Mineralölprodukten, dennoch ist der Pflegeeffekt als gut zu bezeichnen. Dieses Ergebnis überrascht insofern nicht, da die biologische Abbau­ barkeit gegeben ist. Die behandelten Gummiteile behielten deutlich länger ein ge­ pflegtes Äußeres und wurden nicht so schnell unansehnlich.

Claims (2)

1. Verwendung einer Zusammensetzung aus Rapsölmethylester- oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi.
2. Verwendung einer Zusammensetzung nach Anspruch 1, die
90 bis 5 Gew.-% Rapsölmethylester,
80 bis 5 Gew.-% Rapsöl,
0 bis 10 Gew.-% Carnaubawachs,
0 bis 10 Gew.-% Siliconöl,
0 bis 5 Gew.-% Polytetrafluorethylenpulver,
0 bis 1 Gew.-% fluorierter Alkylester,
0 bis 1 Gew.-% nichtionogener Emulgator
enthält.
DE4437880A 1994-10-22 1994-10-22 Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi Expired - Fee Related DE4437880C2 (de)

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DE4437880A DE4437880C2 (de) 1994-10-22 1994-10-22 Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi
DE59510464T DE59510464D1 (de) 1994-10-22 1995-08-11 Die Verwendung einer Zusammensetzung enthaltend Rapsölester und ein natives Öl als Gleit- oder Pflegemittel für Gummi
EP95112645A EP0708169B1 (de) 1994-10-22 1995-08-11 Die Verwendung einer Zusammensetzung enthaltend Rapsölester und ein natives Öl als Gleit- oder Pflegemittel für Gummi
AT95112645T ATE228160T1 (de) 1994-10-22 1995-08-11 Die verwendung einer zusammensetzung enthaltend rapsölester und ein natives öl als gleit- oder pflegemittel für gummi

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DE4437880A DE4437880C2 (de) 1994-10-22 1994-10-22 Verwendung einer Zusammensetzung aus Rapsölmethylester oder Rapsölethylester und Rapsöl als Gleit- oder Pflegemittel für Gummi

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DE4437880C2 true DE4437880C2 (de) 1996-08-29

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DE59510464T Expired - Fee Related DE59510464D1 (de) 1994-10-22 1995-08-11 Die Verwendung einer Zusammensetzung enthaltend Rapsölester und ein natives Öl als Gleit- oder Pflegemittel für Gummi

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US7837778B1 (en) * 2005-12-05 2010-11-23 Ransom Roland E Randy Method of treating tire surfaces
DE102009003839A1 (de) 2009-04-28 2010-11-04 Continental Reifen Deutschland Gmbh Kautschukmischung mit verbessertem Rollwiderstand und verbessertem Nassbremsen
CN102321262B (zh) * 2011-07-14 2013-01-23 厦门欧德力汽车用品有限公司 汽车橡塑胶保护剂及其制备方法
GB2553340A (en) * 2016-09-02 2018-03-07 Illinois Tool Works Wire Rope lubricant

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US4253981A (en) * 1979-07-05 1981-03-03 Morton-Norwich Products, Inc. Viscous lubricant composition comprising mixed esters and a silicone oil
DE3419415A1 (de) 1984-05-24 1985-11-28 Hans 7432 Urach Schur Herstellung von schmiermitteln, schaloelen und bohremulsionen aus umweltfreundlichen grundstoffen
US4808323A (en) * 1986-10-01 1989-02-28 Federal-Mogul Corporation Non-deleterious dry film lubricant coating composition, rubber sealing element coated therewith; and method of
DE3927155A1 (de) * 1989-08-17 1991-02-21 Henkel Kgaa Umweltfreundliches grundoel fuer die formulierung von hydraulikoelen
AT398078B (de) * 1990-09-17 1994-09-26 Nolz Ges M B H & Co Kg Trennmittel für betonbauschalungen
US5093111A (en) * 1991-03-11 1992-03-03 Kolmar Laboratories Inc. Lipstick composition comprising cetearyl isononanoate, a sesquistearate and isopropyl hydroxystearate
DE4138910A1 (de) 1991-11-27 1993-06-03 Henkel Kgaa Verwendung von partiell dehydratisierten ricinusoelen als schmiermittel
US5338471A (en) * 1993-10-15 1994-08-16 The Lubrizol Corporation Pour point depressants for industrial lubricants containing mixtures of fatty acid esters and vegetable oils

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EP0708169A2 (de) 1996-04-24
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ATE228160T1 (de) 2002-12-15
EP0708169A3 (de) 1996-05-15
DE4437880A1 (de) 1996-04-25

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