DE2315507A1 - GREASE - Google Patents

Description

» Muncnep 22. fvfa.umUianstr. 43 2315507

^P6261 2a mn »73

CONTINENTAL OIL COMPANY. '

P.O. Box 1267

Ponca City ,. Oklahoma 74601 '

United States

Grease

Addendum to patent

Patent application

Our file: P 5816
US Ser. No .: 254 015

The invention relates to a new lubricating grease with improved properties, in particular with excellent viscosity ' properties at temperatures from -AO to -52.2 C (-40 to O.

-62 ° F).

There has been a need for lubricating greases for many years with good low temperature properties. The discovery of oil in arctic regions (e.g. in northern Canada and in the Murder Depression of Alaska) this need has increased

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OWGlNAL INSPECTED

Due to the increasing number of machines and devices, exposed to colder climates.

The use of diesters and other non-hydrocarbon lubricants for the production of lubricating greases has been known for many years. Made from these materials However, lubricating greases are relatively expensive.

In US Pat. No. 3,173,965 it is stated that dialkylbenzoIe have good low temperature properties and that from these Materials greases can be made. In British patent specification; 1 144 615 is indicated that mixtures of synthetic hydrocarbon lubricants and mineral ones Lubricating oils can be used as hydraulic oils. However, it is not stated therein that such mixtures are used for production of lubricating greases can be used. It is so far Nor is it known that greases made from mixtures of synthetic alkaryl hydrocarbon lubricants and mineral Lubricating oils produced v / earth, have a synergistic effect.

It has now been found that using a mixture of a synthetic alkaryl hydrocarbon lubricant and a mineral lubricating oil, a grease is obtained which has improved low temperature viscosity properties at temperatures down to -40 to -52.2 compared to the use of a synthetic alkaryl hydrocarbon lubricant alone C comprises (-40 to -G2 F) and is also cheaper when the lubricating oil composition a. fat-forming amount of a conventional fat-forming agent, such as modified bentonite, is added.

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The invention is therefore a lubricating grease that is characterized in that it consists of

a) a lubricating oil preparation from a synthetic alkaryl hydrocarbon lubricant and a synergistic amount within the range of about 10 to about 100 parts based on 100 parts of the synthetic alkaryl hydrocarbon lubricant, a mineral lubricating oil and

b) a fat-forming amount within the range of about 1 to about 43 parts, based on 100 parts of the lubricating oil formulation, of a fat-forming agent,

wherein the synthetic alkaryl hydrocarbon lubricant about 61 to about 92 wt .- / 0 di-n-long-chain alkaryls with about 6 to about 18 carbon atoms in the alkyl radicals and phenyl, toly1 or xylyl as the aryl radical and about 5 to about 30% by weight of trialkyl-substituted Contains tetrahydronaphthalenes and the following has physical properties:

a viscosity index from 80 to 116, a pour point from -40 to -62.2 ° C a molecular weight of 350 to 526.

a pour point of -40 to -62.2 ° C (. -40 to -80 ° F) and

The most salient feature of the invention is that It has been found that using a mixture of a synthetic alkaryl hydrocarbon lubricant and a mineral Lubricating oil a synergistic effect is achieved. The grease of the present invention has excellent viscosity properties at low temperatures, especially at temperatures within the range of -60 to -52.2 C (-40 to -62 ° F). Due to its atis-marked low temperature viscosity properties is the fat according to the invention at temperatures

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from -40 to -52.2 C (-40 to ~ 62 F) pumpable and can with usual Hand-held grease guns can be distributed at these temperatures.

As used herein, the term "synergistic effect" relates on a surprising improvement in the properties of the lubricating grease, which is due to the blending of a co * uib5.nation of materials going back. The measured property is better than that obtained using only one of the materials will.

As used herein, the term "synergistic amount" is used as a reference on such an amount of mineral lubricating oil that if they are added to the synthetic alkaryl hydrocarbon lubricant willy one or more properties of the invention Improved lubricating grease. For example, a mixture of 100 parts of a synthetic hydrocarbon lubricant and 25 to 67 parts of an ITaphthene oil Grease has a better apparent viscosity at -40 to -52.2 C. (-40 to -62 F) than a grease made from any oil alone.

The alkaryl synthetic hydrocarbon lubricant used in the present invention it is one that has a larger proportion of di-n-long-chain alkaryls and one contains a smaller but significant proportion of trialkyl-substituted tetrahydronaphthalenes.

In the di-n-long-chain alkaryls, the long-chain alkyl radicals contain about 6 to about 18 carbon atoms, preferably about 10 to about 15 carbon atoms, especially about 11 to about 14 carbon atoms. The aryl radical is un ¹ phenyl,

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Tolyl or XyIyI, preferably around phenyl. The preferred di-n-long-chain alkaryls are therefore di-n-alkylbenzenes in which the alkyl radicals correspond to the above long-chain alkyl definition. The term "n-alkylbenzenes" as used herein relates to benzenes which contain an essentially straight-chain (unbranched) alkyl group in which preferably at least 95% of the alkyl substituents are bonded to the benzene nucleus via a secondary carbon atom of the respective alkyl group. Although the term “n-alkylbenzenes” is preferably ^{used here, other expressions 1} 'can also be used for this, such as, for example, linear alkylbenzenes or straight-chain alkylbenzenes.

The trialkyl-substituted tetrahydronaphthalene used according to the invention can be represented by the general formula: '

in the R. and R _? each contain 1 to about 13 carbon atoms, where the ■ sum of R, + R _? contains from about 6 to about 14 carbon atoms, and R1 and R2 each contain 1 to about 16 carbon atoms, with the sum of R- + P containing from about 9 to about 17 carbon atoms. The alkyl groups R ,, R ~, R «and R ^ are straight (unbranched) chains. The trialkyl-substituted tetrahydronaphthalenes have the same sieve range as the di-n-alkylbenzenes. They also have about the same molecular weight.

Except for the di-n-long-chain alkaryls and trialkyl-substituted ones

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Tetrehydronaphthalenes can be the synthetic alkaryl hydrocarbons "-Lubricants even smaller amounts of various alkyl aromatic Connections included. The synthetic alkaryl hydrocarbon lubricant thus has the following composition:

Component weight - %

Di-n-long chain alkaryls 61-92

Trialkyl-substituted tetrabydronaphthalenes 5-30

Various alkyl aromatics. less than 15

Preferably less than 10

These materials are characterized by the following properties:

Viscosity index 80-116

Pour point, ° C ( ⁰ F) -40 to -62,?.

(-40 to -30)

ll molecular weight range 350-526

Preferably. 375-480

The alkaryl synthetic hydrocarbon lubricants can be prepared by any of several methods. They can be made by alkylating benzene and tetrahydronaphthalene and mixing the resulting product. . They can also be prepared by alkylating a mixture of hono-n-alkylbenzenes and dialkyl-substituted tetrahydronaphthalenes with a suitable alkylating agent. A particularly suitable method for the preparation of s} mthetisehen Alkarylkohlenwasserstoff lubricant is that RNAR a benzene rich in mono-n-alky! Starting material using HF-BF, aluminum bromide or aluminum chloride as

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Disproportionate catalyst. Although below the method of disproportionation for the production of the synthetic alkaryl hydrocarbon lubricant is described in more detail, it should be noted that each preparation with the above Composition and the physical properties given above used according to the invention, can.

Suitable mono-n-alkylbenzenes are those in the alkyl groups contain from about 6 to about 18 carbon atoms. Preferably contain the alkyl groups of the mono-n-al.kylbenzenes about 10 to about 15 carbon atoms. The term "n-alkylbenzenes" as used herein is defined above.

A particularly suitable material for making the disproportionate Product is a composition containing a considerable amount of mono-n-alkylbenzenes corresponding to the contains the above definition, which is made by the method according to "US Patent 3 316 294 was made. Namely, U.S. Patent 3,316,294 relates to a method of making a Detergent alkylate generally characterized in that one (a) a fraction of essentially straight-chain Cg-C, g-hydrocarbons separated from a petroleum distillate which is practically free of olefins and together with non-straight-chain Hydrocarbons containing straight-chain hydrocarbons, (b) the fraction is chlorinated to such an extent that about 10 to about 35 mole percent of the straight chain hydrocarbons present are essentially only monochlorinated, (c) an aromatic one Compound, e.g. benzene, is alkylated with the chlorination product of step (b) in the presence of an alkylation catalyst and (d) a fraction is obtained from the reaction mass by distillation which consists essentially of mono-n-alkylbenzenes.

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While US Pat. No. 3,316,294 relates to a process in which C _n -C ₁ "hydrocarbons can be used, hydrocarbons are used according to the invention which contain from about 6 to about 13 carbon atoms. The 0, -C ₁ "-hydrocarbons can be prepared according to a codification of the process described as step (a) in US Pat. No. 3,316,294. Other methods for preparing a C 1 -C, ₀ -carbon hydrogen fraction are known to those skilled in the art known. If it is desired to use an alkylbenzene containing 10 to 15 carbon atoms in the alkyl group, this selection can be made either in the initial starting material or by fractionating the alkyl benzo1-ρχ-oduktes.

The disproportionation reaction wM preferably using carried out by alurainium chloride as a catalyst. the Amount of catalyst used can range from ett: a 0.1 to about 10% by weight, based on the l-iono-n-alkylbenzene starting material, vary. The amount of catalyst is preferably about 0.5 up to about 5% by weight.

In some cases it is convenient to use together with the aluminum chloride catalyst to use a proton donor promoter. Suitable promoters are those materials that are included in the addition deliver a proton to the catalyst. Preferred promoters are hydrogen chloride and water. The amount of promoter is usually about 4 wt% based on the weight of the one used Catalyst. It should be noted, however, that the The necessity of using a promoter and the amount of the promoter, if used, are readily determined by those skilled in the art can be.

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The disproportionation process is conveniently carried out at a temperature of from about 20 to about 130.degree. Since the maximum yields of di-n-alkylbenzenes are obtained at temperatures between about 65 and about 120 ° C., these temperatures are preferred. After the reaction, the reaction mass is distilled to remove the benzene, paraffins and unreacted liono-n-alkylbenzenes. The desired product is the disproportionate material that distills within the range of about 165 to about 300 ° C at 5 mm Hg. This material has an average molecular weight within the range from about 350 to about 470. When the distillation is carried out, the lower intersection point (end point) is suitably 185 C / 5, now Ug, preferably the lower intersection point (end point) is 197 C / 5 ram Hg. In some cases, the desired fraction is obtained by reacting abdestiiliert a selected fraction from the disproportionxerten product or overhead is withdrawn, which makes up about 10 of the disproportionated product to about 90 I _0.

As used herein, the term "mineral lubricating oil" is known per se and refers to materials which are used in refining can be obtained from crude petroleum. Particularly suitable mineral lubricating oils for producing the ones according to the invention Lubricating greases are pale oils and naphthenic oils. Although it can be assumed that the terms "pale oils" and "naphthenic oils" are known to the person skilled in the art, these materials will be briefly explained below. '

In petroleum refining, the crude petroleum is subjected to distillation to form straight-run gasoline, kerosene, and gas oil will. The residue of the reduced crude oil is used to produce

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position of the lubricating oil. Both in naphthenic vision Oil as well as pale oil is the distillate fraction, while the soil fraction is used to make the bright stocks. Usually the pale oils and the naphthenic oils underwent further treatment to their color improve and reduce their wax content. Although it is both pale oils and ITa'phthenölen ti ei distillate oils act, they differ in many ways, for example depending on the type of crude oil from which they are obtained, in be ^ Ug on the chemical composition and the physical Properties, naphthenics contain a larger amount of aromatics, have lower viscosity indices and lower ones Pour points on than the pale oils. The specialist knows about Pale Oils and Naphthene Ie on the basis of the viscosity iide ;: and the pour point es differ from each other.

The naphthenic oils are preferred according to the invention, since they have one wider range of composition has a synergistic effect Result. For a more detailed explanation of suitable mineral lubricating oils, see the book "Petroleuni-Prehistoric to Petrochemicals ", G.Λ. Purdy, Copp Clark Publishing Company, Vancouver, Toronto, Uontreal, Canada (195G), in particular Pages 225-228, 231, 234, 242 and 373.

For the production of the lubricating greases according to the invention, any the usual fat-forming agents can be used. As is well known are made of metal soaps in most commercially available greases used by saponifying fats and oils of animal, vegetable or marine origin either alone or in coordination be used. In addition, other saponifiable materials can also be used, e.g. Rosin oil, naphthenic acids,

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Sulphonic acids, synthetic fatty acids, montan wax and wool fat. The metals of the fat-forming agent can be, for example, aluminum, barium, calcium, lithium, sodium, Magnesium, lead or strontium.

In addition to the aforementioned, various types of chemically or physically modified clays as fat-forming ends Agents used. Examples of suitable tones to modify and for subsequent use as a fat-forming agent are bentonite, saponite, attapulgite, zeolite and fuller's earth. Under The modified bentonites are preferred as fat-forming agents to the modified clays. The term used here "Modified bentonite" is known to those skilled in the art and is in the Book by CJ. Boner, "Manufacture and Application of Lubricating Greases", Reinhold, Hew York, 1954, pages 724 and 725 are modified Bentonite described.

Very suitable fat-forming agents for the inventive products The modified clays, especially modified ones, are used Bentonite, and lithium fatty acid soaps. If required, lubricating greases with low viscosities at extremely low temperatures (i.e. -45.6 to -54.2 ° C (-50 to -f> 5 ° F)), the modified bentonites are preferred as fat forming agents used.

Uenn. the person skilled in the art once knows that the above-mentioned lubricating oil preparations as a base oil for the production of the invention When lubricating greases can be used, the required amounts of fat-forming agent can easily be determined. The completeness however, it should be noted that the amount

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at fettbildendeni agent that is usually used in the erfinchingsgemäßen greases, within range of Aeee et \; a is 1 to about 43 parts, based on 100 parts of the Gchiüieröl preparation lies. Preferably the amount of lipid forming agent is within the range of. about 5 to about parts. It is well known in the art that varying the amount of fat-forming agent affects the consistency of the fat product.

The lubricating grease according to the invention know various additives, such as rust inhibit or en 50; ydation inhibitors, 1-i means for improvement der Schinierbarkeit, E;: Treudruckraittel, Reinlatrigsmittel and the like, may be added.

Having defined the term "synergistic amount" above and the nature of the materials which can be used according to the invention The following table shows the syi; ergistic amounts of pale oil or naphthene oil which together rait the synthetic alkaryl hydrocarbon abrasives Eur manufacture according to the invention, slicing fats are used, specified.

Amount in parts per 100 parts of the synthetic hydrocarbon lubricant

Suitable range 10-100

Preferred range 25-67

If the inventions greases have improved flow properties at extremely low temperatures (i.e. -45.7 to -52.2 (-50 to -62 F)), it is advisable to

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to use a mixture of a synthetic alkaryl hydrocarbon lubricant and naphthene oil or pale oil with modified bentonite as a grease-forming agent. If the lubricating greases of the invention are to have improved flow properties within the range of -28.9 to -40 ° C (-20 to -40 ° F), a mixture of a synthetic alkaryl hydrocarbon lubricant and naphthenic oil or pale oil with a lithium fatty acid soap as a grease-forming agent can be used Agent can be used.

From the results given in the examples below apparent viscosities it can be seen that the erfindungsge- MAESSEN greases at temperatures down to -52.2 C (-62 ⁰ F) are pumpable. This also shows that the viscosities are such that the fats can be distributed with a conventional hand-held fat syringe at the specified temperatures.

The invention is illustrated in more detail by the following examples and comparative examples, without, however, being restricted thereto. This also applies to the specific conditions and experimental details given therein.

The synthetic used in the following examples Alkaryl hydrocarbon lubricant was one that was produced by disproportionating a mono-n-alky! Benzene fraction, prepared by the method of the above-referenced US Pat. No. 3,316,294. The mono-n-alkylbenzene mainly contained C. "-alkyl groups. The product had the following composition:

% - di-n-alkyl benzenes 69, '3 * Vol.

Trialkyl Substituted Tetrahydronaphthalenes 22.3 ""

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Indene 2.9% by volume.

Diphenylalkanes 1.6 ""

Various connections 3.9. ""

The components of the composition were within a 1 molecular weight range from 442 to 470. The composition has -.- the following physical properties:

Pour point, ° G ( ⁰ F). -51.1 (-60)

Viscosity index 110 Viscosity (cSt)

99 ° C (210 ° F) 4.94

38 ° C (100 ° F) 28.22

-40 ° C (-40 ° F) 9540.0.

The oil used in the following examples and the Pale Oil used had the following properties:

Viscosity (cSt) at viscosity pour point, 30 ⁰ G 99 ° G index (Vl) ⁰ G ( ⁰ F) ( 100 ⁰ F) (210 ⁰ F)

Naphthene oil 21.45 3.54 35 -40 (-40) Pale OiI ⁺ 15.66 3.23 95 -15 (+5)

"" "" commonly referred to as "80 Pale Oil".

example 1

This example illustrates the effect on viscosity at low temperatures in greases made using blends made from a synthetic hydrocarbon cord. ..tel and pale oil or naphthene oil. With the fats

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in this example a modified thickener was used Bentonite (KYKOlI 77 from the company. Baroid Division of National Lead Company) uses a small amount of sodium nitrate as a Ivostinhibitor contained. Except for the fat-forming agent and the Base lubricating oils contained the lubricating greases in small amounts common fat additives, such as 2.B. Oxidation inhibitors and amplification ε to cat se.

The test apparatus used in this example passed in principle from a 6 m (20 foot) long snake with an inside diameter 0.8 cm (0.3154 inches) from copper tubing immersed in a cooling bath. There was one at the 6 m (20 foot) loft 7.20 m (24 foot) copper tubing precooling coil with an inner diameter 3/8 inch (0.8 cm), which was also immersed in the cooling bath. Between the grease reservoir and the refrigeration A variable speed gear pump (3.79 liters (1 gallon) per hour) was in line at the junction between the? - * pre-cooling coil and the 6 m (20 foot) test tube a manometer attached. The gear pump was fed under pressure, by applying pressurized air to the grease reservoir to prevent cavitation. Through this Pressure was not affected by the rate of flow of grease in the positive displacement gear pump. The flow

3 speed of the grease was in cm per minute against the Pressure drop obtained per meter of test tube. The apparent viscosities were obtained using Poisenill's equation. These Method for determining the grease flow data is in itself known and described in more detail in ASTM test method D 1092. The composition of the different fats, the penetration data and the scheiiibaixn viscosity data are in the following tables IA and IB indicated.

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Table IA
Composition of the grease

Thickener

Mr. Type Amount in
Gev7 .-% Λ Bentonite 8.18 B. Bentonite 7.75 C. Bentonite 7.75 D. Bentonite 7.75

Bentonite

Bentonite

6.84

7.75

£ rimdöj_ Type and.

Synthe I: is rather cabbage en «v. ⁷ hydrogen 83.62%

80 Pale Oil 88.77%

Naplitlienö 1 A
88.77 %

Synthetic hydrocarbon 53.26% 80 Pale Oil 35.51% (ratio 60:40)

Synthetic ice rather carbon dioxide 71.3J % - naphthene oil A 18.54 % (ratio 80:20)

Synthetic carbon dioxide; jJ,.-ίο λ Naphthene oil A 35.51 % (ratio 60:40)

Verse ch ie ά ene additives%

3.20

Table IB
Properties of the fats in Table IA

3.48 3.48

3.48

3.31

No base oil

A 100% synthetic 330
Koh 1 env; a sser substance

B 100 % 80 Pale Oil C 100% Naphthene Oil A

D 60% synthetic hydrocarbon 40 % 30 pale oil

Number de
(strokes) r beet Schainbc-re
in poise 000
400 (1)
(2) You i ~ e , Z. C 60 10,000 at -4G ° C
(-40 ⁰ F) 500 (D at
(-6 2 ° r) (D
(3) ■ 330 350 13th
7th 500
20Ö (D
(2) 25th
15th 000
500 (D 320 340 17th 000 U) 50 OGO W. 352 380 17th
10 U) 330 350 12th 21 OCO

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Continuation of Table IB

'- ¹ -' ■ "' ^Ί ~ Number of strokes Apparent density

No base oils (strokes) in poise

60 10,000 _be . _ ₄₀ o _{c at -52}

__ ■ (-40 ⁰ F) (-62 ⁰ F)

E 80 % synthetic 330 343 12,000 (1) 13,000 (1) hydrocarbon 6,600 (2) 12,000 (3)

20% naphthenic oil 1 A "

F 60% synthetic 342 345 9,000 (1) 19,500 (1) hydrocarbons 5,200 (2) 13,500 (3)

40 % uaphthene oil A

(1) at a shear rate of 0.5 seconds

(2) at a shear rate of 1.0 seconds

(3) at a shear rate of 1.0 seconds and -51.1 ° C (-60 ⁰ F)

(4) Too viscous to measure at this temperature.

example 2 "

This example illustrates greases in which a lithium fatty acid soap was used as the thickening agent and mixtures of a synthetic hydrocarbon lubricant and naphthenic oil were used as the base oil. This example also shows that when up to 40% maphthene oil was blended, greases with virtually the same or slightly better viscosity properties were obtained than when 100 % of the synthetic hydrocarbon lubricant was used in greases. Lithium-12-hydroxy-stearate and naphthenes were used as the fat-forming agent. As in Example 1, the greases contained small amounts of common grease additives. The composition of the various greases, the penetration data and the apparent viscosity data are given in Tables HA and below HB specified.

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Table IIA

Collapse of the lubricating grease when using lithium-12-hydroxy-star as a thickener

Amount of the basic oil thickener type and amount in% by weight

Various additives in %

O O

4.95

5.25

5.73

Synthetic coal-6.09 hydrogen

Synthetic carbon fiber 7.01 material 70.26 7o - Naphthene 1 A 17.78 %

Synthetic hydrocarbons - 5.80 by 53.45% - Iteplithenöl A 35.50%

Synthetic hydrocarbons - 6.07% 44.10% - Capaphthenic oil A 44.10%

Table UB

Properties of the greases in Table IIA

Base oil

penetration shube 60

100% synthetic hydrocarbon

355

355

B (2) 80% synthetic hydrocarbon 20% naphthenes) 1 A

C (3) 60 % synthetic hydrocarbon 40 % naphthenic oil A.

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355

Apparent viscosity in Poise (I) __________ at -28.9 ^C C at
(-20 ⁰ F) -34.4 ⁰ C

(-30 ⁰ F) (-40 ⁰ F)

8800

8200

8200

at

-4-y prev

10 100 13 000

10 100 13 500

8 800 10 500

Continuation of table UB

No. Base oil Fenetra-

movement strokes 60

D (4) 50% synthetic hydrocarbon 50% ifephthene oil A

355

Apparent viscosity in

Poise (1)

at at at -23.9 ° C -34.4 ° C -40 ° C (-20 ⁰ F) (-30 ⁰ F) (-40 ⁰ F)

9400

10 500

14,000

(1) at a shear rate of 1.0 seconds "

(2) this oil showed a weak synergistic effect at -2G, 9 ° C (-20 ⁰ F) and at -34.4 ° C (-30 ⁰ F)

(3) this oil showed a synergistic effect at -28.9 C (-20 ⁰ F), at -34.4 ° C (-30 ⁰ F) and at -40 ⁰ C (-40 ⁰ F)

(4) this oil showed that the ma :: irnal y effective chords exceeded v: rr and da. ¹ : Lubricating grease approached the properties of the grease consisting of 100 7 _a ITaphthene oil.

The invention is shown above with reference to preferred Embodiments explained in more detail, but it is for the Faclimann realizes that it is not limited to this, but that these can be modified and codified in many ways can without thereby departing from the scope of the present invention

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Claims (14)

Claims 1. Schmicrfett, characterized in that it consists of a) a lubricating oil preparation from a synthetic alkary! hydrocarbon lubricant and a sy iier gist table Amount within the range of about 10 to about 100 parts based on 100 parts of the synthetic alkali » ary! hydrocarbon lubricant, 'of a mineral Schiiii e r oil s and b) a bold amount within the range of etv7 & 1 to about 43 parts, based on 100 parts of the oil preparation, a fat-forming agent, where the alkaryl hydrocarbon compound is about 61 to about 92% by weight of di-long-chain alkaryls with about 6 to about 6 carbon atoms in the long-chain alkyl groups and phenyl , ToIy 1 or Xy.Vy I as aryl radical and et \; ^r a 5 to el \; a 30 Gev7 .- / a triallcyl-substituted Tetrahydronaplitha.line discharged and has the following physical properties: a viscosity index: -: before ·. GO to 116, egg In a stock point of -40 to -62 _} f! ° C (-40 to -80 ⁰ F). and a molecule ar gcv; icht from 350 to i> 26. 2. Lubricating grease; .According to claim 1, characterized in that it is as mineral lubricating oil contains a pale oil or a l'aphthene oil, 3. Lubricating grease according to claim 1 and / or 2, characterized in that it as di-n-long-chain alkaryls di-n-alky! benzenes with about Contains 10 to about 15 carbon atoms in the alkyl radicals. 4. Lubricating grease according to at least one of claims 1 to 5, characterized 309843/0777 characterized in that it is a naphthenic oil as a mineral lubricating oil in thaT. 5. Lubricating grease according to at least one of claims 1 to 4-, characterized characterized in that it is a modified lipid-forming agent Contains sound. 6. Lubricating grease according to claim 5, characterized in that it is as The active agent contains a modified bentonium. 7. Lubricating grease according to at least one of claims 1 to 4, characterized characterized in that it is a lithium fatty acid soap as the fat-forming agent contains. 8. Lubricating grease, characterized in that it consists of a) a lubricating oil supply from a synthetic alkary Ikohlenv / aster stoff-lubricant and a synergistic Amount within the range of about 25 to etv / a 67 parts based on 100 parts of the synthetic alcaryl carbon lubricant, a mineral lubricating oil from the group of pale oils and haphthenic oils and b) a fat-forming amount within the range of about 1 to about 43 parts, based on 100 parts of the Lubricating oil preparation, a fat-forming agent, vjobei the synthetic alkaryl carbon hydrogen lubricant etv / a 61 to about 92 Gev7 .-% di-n-long-chain alkaryls with about 6 to about 10 carbon atoms in the long-chain alkyl radicals and phenyl, tolyl or XyIyI as aryl radical and etv / a Contains 5 to about 30% by weight r.rialkyl-substituted tetrahydronephthalene and has the following physical properties: 309848/0777 231b507 a viscosity index;: from SO to 116, a pour point of -40 to -62.2 ° C (-40 to ~ 30 ° F) and a liolekulargevjicht from 350 to 525. 9. Lubricants; according to claim S, characterized in that mineral lubricating oil an i? r / nbJ; he ;;! containing oil. -. C- r Ί 10. Lubricating grease according to claim G unc '/ or 9, dncurch ^ k that it is a di-n-lan ^ chain all- '. r.iyle in the synthellscVicn AIharylkohlenv \ nsserütoff-ijcbu: i.ernii'"- tp.l Di-r-alkylosusole with; about 10 to eti: a 15 carbon aioms :! contains in the alkylresf.en. 11. Schrnierfett according to at least one of claims S to 10, characterized in that it is the fat-forming Alexis in eire:.: Amount within the range of about 5 to e '. ~ -V.'&. 11 parts, be-2o ^ en a.uf 100 parts of the ScliLiierül-2Atborei :: ung _{: i} contains. 12. lubricating grease 'according to at least one de :: claims G to 11, characterized characterized in that it has a modified as the fixing agent Contains sound, 13. Lubricating grease according to claim 12, characterized in that it is as fat-forming agent contains a modified bentonite. 14. Lubricating grease according to at least one of claims 3 to 11, characterized in that it is a lithium fatty acid soap en thä11 _{o as the fat-forming agent} 3098 4 8/0777