Claims
- 1. A lubricating oil blend having resistance to ionizing radiation comprising the following components:
- (a) 25 to 75% by weight of a mixture of 0-70% by weight of o-(m-phenoxyphenoxy)diphenyl and 100-30% by weight of m-(m-phenoxyphenoxy)diphenyl; and
- (b) 75 to 25% by weight of a monoalkyldiphenyl ether or dialkyldiphenyl ether;
- said blends having a pour point of not higher than 0.degree. C. before and after irradiation, and a G-value of 0.1 or below for the evolution of decomposition gases under irradiation with ionizing radiation; and
- said monoalkyldiphenyl ether or dialkyldiphenyl ether having 10 to 20 carbon atoms in the alkyl moiety.
- 2. A lubricating oil blend according to claim 1 wherein said blend comprises the following components:
- (a) 25 to 75% by weight of m-(m-phenoxyphenoxy)diphenyl; and
- (b) 75 to 25% by weight of a monoalkyldiphenyl ether.
- 3. A lubricating oil blend according to claim 1 wherein said blend comprises the following components:
- (a) 25 to 75% by weight of m-(m-phenoxyphenoxy)diphenyl; and
- (b) 75 to 25% by weight of a dialkyldiphenyl ether.
- 4. A lubricating oil blend according to claim 1 wherein said blend comprises the following components:
- (a) 25 to 75% by weight of a mixture of up to 70% by weight of o-(m-phenoxyphenoxy)diphenyl and 30% by weight or more of m-(m-phenoxyphenoxy)diphenyl; and
- (b) 75 to 25% by weight of a monoalkyldiphenyl ether.
- 5. A lubricating oil blend according to claim 1 wherein said blend comprises the following components:
- (a) 25 to 75% by weight of a mixture of up to 70% by weight of o-(m-phenoxyphenoxy)diphenyl and 30% by weight or more or m-(m-phenoxyphenoxy)diphenyl and
- (b) 75 to 25% by weight of a dialkyldiphenyl ether.
Priority Claims (1)
Number |
Date |
Country |
Kind |
57-210750 |
Dec 1982 |
JPX |
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Parent Case Info
This application is continuation-in-part application of U.S. Ser. No. 556,164 filed on Nov. 29, 1983, now abandoned.
US Referenced Citations (10)
Foreign Referenced Citations (2)
Number |
Date |
Country |
654195 |
Dec 1962 |
CAX |
920509 |
Mar 1963 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
556164 |
Nov 1983 |
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