Claims
- 1. A lubricant composition for metalworking which comprises as its active components (i) at least one alkali metal salt of phthalic acid and (ii) a glass composition comprising 20 to 70% by weight of P.sub.2 O.sub.5 and 8 to 80% by weight of M.sub.2 O wherein M is an alkali metal the ratio of component (i) to component (ii) being about 10:90 to about 90:10 in a total amount of 100 parts by weight.
- 2. A lubricant composition as defined in claim 1 wherein the glass composition comprises 55 to 65% by weight of P.sub.2 O.sub.5 and 25 to 45% by weight of M.sub.2 O.
- 3. A lubricant composition as defined in claim 1 wherein the amount of component (i) is about 60 to about 90 parts by weight per 100 parts by weight of the active components.
- 4. A lubricant composition as defined in claim 1 wherein the component (i) is at least one of sodium phthalate, sodium isophthalate, sodium orthophthalate and sodium terephthalate.
- 5. A lubricant composition as defined in claim 1 which further comprises an adhesive material.
- 6. A lubricant composition as defined in claim 1 wherein the glass composition also comprises 3 to 72% by weight of B.sub.2 O.sub.3.
- 7. A lubricant composition as defined in claim 6 wherein the amount of component (i) is about 60 to about 90 parts by weight per 100 parts by weight of the active components.
- 8. A lubricant composition as defined in claim 6 wherein the component (i) is at least one of sodium phthalate, sodium isophthalate, sodium orthophthalate and sodium terephthalate.
- 9. A lubricant composition as defined in claim 6 which further comprises an adhesive material.
Priority Claims (1)
Number |
Date |
Country |
Kind |
58-109828 |
Jun 1983 |
JPX |
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Parent Case Info
This application is a continuation-in-part of pending application Ser. No. 939,301 filed 12/05/86 which is a continuation of abandoned application Ser. No. 824,827, filed 01/31/86 which is a continuation of abandoned application Ser. No. 621,829 filed 12/18/86.
US Referenced Citations (7)
Non-Patent Literature Citations (1)
Entry |
Smalheer et al, "Lubricant Additives," 1967, pp. 7-8. |
Continuations (2)
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Number |
Date |
Country |
Parent |
824827 |
Jan 1986 |
|
Parent |
621829 |
Jun 1984 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
939301 |
Dec 1986 |
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