EP0034132A2
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Method for the mechanical working of metals and lubricant concentrate
Assignee: Nouryon Surface Chemistry AB
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Filing: 1981-01-23
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Granted: —
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Expires: 2001-01-23
Abstract
Abstract During mechanical working, an aqueous lubricant composition is used as a lubricating and cooling agent, which contains an ether phosphate as a lubricating agent. A concentrate suitable for use as a lubricant after dilution with water is also described.
Inventors
- 👤 Karl Martin Edvin Hellsten
- 👤 Birgit Tora Gunvor Karlsson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 10:07
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2225/00; C10M2225/02; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
85 words
A method for the mechanical working of metals, characterized in that the mechanical working is carried out in the presence of an aqueous lubricant composition which contains an ether phosphate with the general formula in which R is a hydrocarbon group with 6 - 24, preferably 12 - 22 carbon atoms, n is 1 - 4 and M is hydrogen or a monovalent cation, in an amount of 0.5 - 20 by weight per thousand and which has a pH value of 7.5 - 10.5.
Claim 2
Independent Claim
85 words
A method for the mechanical working of metals, characterized in that the mechanical working is carried out in the presence of an aqueous lubricant composition which contains an ether phosphate with the general formula in which R is a hydrocarbon group with 6 - 24, preferably 12 - 22 carbon atoms, n is 1 - 4 and M is hydrogen or a monovalent cation, in an amount of 0.5 - 20 by weight per thousand and which has a pH value of 7.5 - 10.5.
Claim 3
Dependent Claim
32 words
Method according to Claim 1, characterized in that R is an alkyl group with 15 - 20, preferably 16 - 18 carbon atoms and n is a number from 1 - 2.
Claim 4
Dependent Claim
35 words
Method according to Claim 1, characterized in that, apart from the ether phosphate, the lubricant composition further contains one or more surface active compounds in an amount of 0.5 - 30 by weight per thousand.
Claim 5
Dependent Claim
117 words
Method according to Claim 3, characterized in that the surface active compound is nonionic and preferably a nonionic compound with the general formula in which R signifies an aliphatic or cycloaliphatic group with 8 - 22, preferably 8 - 14 carbon atoms or a mono- or dialkylphenyl group with a total of 4 - 24, preferably 8 - 18 carbon atoms in the alkyl groups, n is a number 3 or 4, pi is a number from 2 - 40, preferably 3 - 12 when R is an aliphatic or cyclophatic group, and 2 - 18 when R is a mono- or dialkylphenyl group and p 2 is an integer 0 - 5, preferably 0 - 3.
Claim 6
Dependent Claim
24 words
Method according to Claim 3, characterized in that the surface active compound consists wholly or partially of an anionic and/or cationic surface active compound.
Claim 7
Dependent Claim
33 words
Method according to Claim 5, charcterized in that the anionic surface active compound is an alkyl p hosphate having the general formula in which-R and M have the meaning given under Claim 1.
Claim 8
Dependent Claim
39 words
Method according to Claims 1 - 6, characterized in that the lubricant composition contains a non-surface active polymer compound of the polyalkylene glycol type in an amount of 0 - 20, preferably 0.5 - 15 by weight per thousand.
Claim 9
Dependent Claim
24 words
Method according to Claims 1 - 7, characterized in that the lubricant composition contains solubilizing hydroxyl compounds, pH regulating agents, biocides and/or anticorrosion agents.
Claim 10
Dependent Claim
24 words
A concentrate suitable, after dilution with water for use as a lubricant in mechanical metal working, characterized in that it contains the following components:
Claim 11
Dependent Claim
24 words
A concentrate suitable, after dilution with water for use as a lubricant in mechanical metal working, characterized in that it contains the following components:
Claim 12
Dependent Claim
14 words
A concentrate according to Claim 9, charcterized in that it contains the following components:
References Cited (Backward Citations)
No citation records indexed.
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