Claims
- 1. Metalworking aids comprising alkenysuccinic acid half-amides of at least one formula selected from the group consisting of ##STR5## and, optionally, cyclic imides of the formula ##STR6## in which formulae: A is C.sub.6 -C.sub.30 alkenyl and is linear or branched,
- R=H or R.sup.1,
- R.sup.1 =--R.sup.2 --O--(CH.sub.2 CHR.sup.3 --O).sub.n H, where R.sup.2 =C.sub.1 -C.sub.10 alkylene, R.sup.2 being linear or branched, R.sup.3 =--H or CH.sub.3 and n=0 to 50 and Me.sup..sym. is a mixture of an alkali metal ion and an ammonium ion of the formula HN.sup..sym. R.sup.4 R.sup.5 R.sup.6, R.sup.4, R.sup.5 and R.sup.6, which are identical or different, being hydrogen, C.sub.1 -C.sub.6 alkyl or hydroxy (C.sub.1 -C.sub.6) alkyl.
- 2. A formulation comprising the metalworking aids of claim 1 and at least one of water and mineral oil, said formulation additionally containing at least one auxiliary selected from the group consisting of i) ethoxylates of the general formula
- R.sup.7 --O--(CH.sub.2 --CH.sub.2 --O).sub.n H
- R.sup.7 being C.sub.10 -C.sub.22 alkyl, C.sub.10 -C.sub.22 alkenyl or alkylphenyl having a total of 10 to 20 carbon atoms and n being a number from 2 to 10; (ii) fatty acid alkanolamides of the general formula
- R.sup.8 --CO--NR.sup.9 R.sup.10
- R.sup.8 being C.sub.10 -C.sub.22 alkyl or C.sub.10 -C.sub.22 alkenyl and R.sup.9 and R.sup.10, which are identical or different, being hydrogen or hydroxy (C.sub.1 -C.sub.6)alkyl; and (iii) fatty acid polyglycol esters.
- 3. A method of using the formulation of claim 2, wherein said method comprises diluting said formulation with water to form a liquid and using said liquid for metalworking.
- 4. A metalworking liquid containing at least one of water and oil, said metalworking liquid further containing an alkenylsuccinic acid half-amide as claimed in claim 1.
- 5. A formulation comprising the metalworking aids of claim 1 and at least one of water and oil.
- 6. The formulation of claim 2, wherein said formulation comprises about 20-80% by weight of said alkenylsuccinic acid half-amides.
- 7. The method of claim 3, wherein said liquid comprises about 0.1 to 10% by weight of said alkenylsuccinic acid half-amides.
- 8. A formulation according to claim 2, wherein said formulation comprises water and at least one mineral oil, said alkenylsuccinic acid half-amides acting as anticorrosive emulsifiers in said formulation.
- 9. A formulation according to claim 2, wherein said formulation does not contain oil and said alkenylsuccinic acid half-amides are used as anticorrosive agents.
- 10. Metalworking aids according to claim 1, wherein A is C.sub.10 -C.sub.24 alkenyl and is linear or branched.
- 11. Metalworking aids according to claim 1, wherein R.sup.2 is C.sub.1 -C.sub.5 alkylene and is linear or branched.
- 12. Metalworking aids according to claim 1, wherein n=0 to 10.
- 13. The formulation of claim 2, wherein said at least one auxiliary is present in an amount of about 20 to 40% by weight.
- 14. A metalworking liquid comprising the formulation of claim 2, wherein the liquid further comprises additional water so that the dilution ratio of the formulation to the additional water is from about 1:10 to 1:100.
- 15. The formulation of claim 2, wherein said hydroxy (C.sub.1 -C.sub.6) alkyl is 2-hydroxyethyl or 2-hydroxypropyl.
- 16. The method of claim 3, wherein said formulation is used as a cooling lubricant in metalworking.
- 17. The formulation of claim 2, wherein said cyclic imides are present in said formulation in an amount of from about 0-30% by weight.
- 18. The method of claim 3, wherein the ratio of said formulation to the water that is used to dilute the formulation is from about 1:10 to 1:100.
- 19. Metalworking aids according to claim 1, wherein Me.sup..sym. is a mixture of an alkali metal ion and an ammonium ion of the formula HN.sup..sym. R.sup.4 R.sup.5 R.sup.6, wherein R.sup.4, R.sup.5 and R.sup.6, are identical or different and are hydroxy (C.sub.1 -C.sub.6) alkyl.
- 20. Metalworking aids according to claim 1, wherein Me.sup..sym. is a mixture of an alkali metal ion selected from the group consisting of sodium and potassium and an ammonium ion of the formula HN.sup..sym. R.sup.4 R.sup.5 R.sup.6, R.sup.4, R.sup.5 and R.sup.6, which are identical or different, being hydrogen, C.sub.1 -C.sub.6 alkyl or hydroxy (C.sub.1 -C.sub.6) alkyl.
Priority Claims (1)
Number |
Date |
Country |
Kind |
41 05 899.2 |
Feb 1991 |
DEX |
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CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of application Ser. No. 08/470,252, filed on Jun. 6, 1995, and now abandoned, which in turn is a continuation of application Ser. No. 08/237,329, filed on May 3, 1994, and now abandoned, which in turn is a continuation of application Ser. No. 07/839,940 filed on Feb. 21, 1992, and now abandoned.
Foreign Referenced Citations (2)
Number |
Date |
Country |
0074199 |
Mar 1983 |
EPX |
0032383 |
Feb 1982 |
JPX |
Continuations (2)
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Number |
Date |
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Parent |
237329 |
May 1994 |
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Parent |
839940 |
Feb 1992 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
470252 |
Jun 1995 |
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