Claims
- 1. A method of increasing the resistance of a fluid to pressure, comprising adding to a fluid, at least 0.1% by weight of a compound having, in a molecule, a group represented by the formula (I) ##STR4## wherein R.sup.1, R.sup.2, and R.sup.3 each represents a hydrogen atom or a methyl group, and at least one of R.sup.2 and R.sup.3 represents a hydrogen atom.
- 2. A method of modifying a wear resistance of a fluid, comprising adding to a fluid, at least 0.1% by weight of a compound having in a molecule, a group represented by the formula (I): ##STR5## wherein R.sup.1, R.sup.2, and R.sup.3 each represents a hydrogen atom or a methyl group, and at least one of R.sup.2 and R.sup.3 represents a hydrogen atom.
- 3. The method of claim 2, which increases a friction coefficient and provides wear resistance.
- 4. A method of resisting a seizure under load, by adding to a fluid which has a liquid state or a semi-solid state, a compound having, in a molecule, a group represented by formula (I) ##STR6## wherein R.sup.1, R.sup.2, and R.sup.3 each represents a hydrogen atom or a methyl group, and at least one of R.sup.2 and R.sup.3 represents a hydrogen atom,
- the amount of said compound being at least 0.1% by weight.
- 5. The method of claim 4, which comprises a base oil and a compound having a group represented by general formula (I) in a molecule.
- 6. The method according to claim 5, which comprises a compound having a group represented by general formula (I) in a molecule and at least one member selected from the group consisting of antioxidants and polymerization inhibitors.
- 7. The method according to claim 5, which is a lubricating oil, metal working oil, or hydraulic oil.
- 8. The method of claim 5, further comprising at least one member selected from the group consisting of a phenolic antioxidant, an amine antioxidant, a sulfur containing antioxidant, a polymerization inhibitor and a mixture thereof.
- 9. The method of claim 4, which comprises a compound having a group represented by general formula (I) in a molecule and at least one member selected from the group consisting of antioxidants and polymerization inhibitors.
- 10. The method of claim 4, which is lubricating oil, metal working oil, or hydraulic oil.
- 11. The method of claim 4, further comprising at least one member selected from the group consisting of a phenolic antioxidant, an amine antioxidant, a sulfur containing antioxidant, a polymerization inhibitor and a mixture thereof.
- 12. A method of resisting wear, by adding to a fluid which has a liquid state or a semi-solid state and comprises a compound having, in a molecule, a group represented by the formula (I) ##STR7## wherein R.sup.1, R.sup.2, and R.sup.3 each represents a hydrogen atom or a methyl group, and at least one of R.sup.2 and R.sup.3 represents a hydrogen atom,
- the amount of said compound being at least 0.1% by weight.
- 13. The method of claim 12, which has a high friction coefficient.
- 14. The method of claim 12, further comprising at least one member selected from the group consisting of a phenolic antioxidant, an amine antioxidant, a sulfur containing antioxidant, a polymerization inhibitor and a mixture thereof.
- 15. The method according to claim 12, which comprises a base oil and a compound having a group represented by general formula (I) in a molecule.
- 16. The method according to claim 12, which comprises a compound having a group represented by general formula (I) in a molecule and at least one member selected from the group consisting of antioxidants and polymerization inhibitors.
- 17. The method according to claim 12, which is a lubricating oil, metal working oil, or hydraulic oil.
Priority Claims (1)
Number |
Date |
Country |
Kind |
7-141555 |
Jun 1995 |
JPX |
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Parent Case Info
This application is a division of application Ser. No. 08/952,974, filed Dec. 8, 1997, and now U.S. Pat. No. 6,008,168; which is a national stage entry of PCT/JP96/01557.
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Entry |
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Divisions (1)
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Number |
Date |
Country |
Parent |
952974 |
Dec 1997 |
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