JPS55129495A - Diffusion pump oil - Google Patents

Diffusion pump oil

Info

Publication number
JPS55129495A
JPS55129495A JP2015479A JP2015479A JPS55129495A JP S55129495 A JPS55129495 A JP S55129495A JP 2015479 A JP2015479 A JP 2015479A JP 2015479 A JP2015479 A JP 2015479A JP S55129495 A JPS55129495 A JP S55129495A
Authority
JP
Japan
Prior art keywords
pump oil
diffusion pump
diphenyl
mixture
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2015479A
Other languages
Japanese (ja)
Other versions
JPS5727155B2 (en
Inventor
Hiroshi Nakanishi
Tsugio Yamamoto
Tetsuya Yagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matsumura Oil Research Corp
Original Assignee
Matsumura Oil Research Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsumura Oil Research Corp filed Critical Matsumura Oil Research Corp
Priority to JP2015479A priority Critical patent/JPS55129495A/en
Priority to IT524079A priority patent/IT1194855B/en
Publication of JPS55129495A publication Critical patent/JPS55129495A/en
Publication of JPS5727155B2 publication Critical patent/JPS5727155B2/ja
Granted legal-status Critical Current

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  • Lubricants (AREA)

Abstract

PURPOSE: To prepare a diffusion pump oil having excellent heat resistance, oxidation resistance and radiation resistance, by using a specific diphenyl ether compound as an effective component.
CONSTITUTION: A diffusion pump oil containing meta-bis(m-phenylphenoxy)benzene or its mixture with m-(m-phenoxyphenoxy)diphenyl, as effective components. The diphenyl ethers can be prepared, e.g. by reacting a mixture of metal salts of m-phenylphenol and phenol with a m-halogenobenzene in the presence of a copper capalyst, optionally in a polar solvent such as dimethyl acetamide, at 150W220°C.
COPYRIGHT: (C)1980,JPO&Japio
JP2015479A 1978-10-27 1979-02-21 Diffusion pump oil Granted JPS55129495A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015479A JPS55129495A (en) 1979-02-21 1979-02-21 Diffusion pump oil
IT524079A IT1194855B (en) 1978-10-27 1979-10-24 Oil for diffusion pump - contains meta-bis-(meta-phenyl-phenoxy) benzene opt. mixed with meta-(meta-phenoxy-phenoxy)di:phenyl for improved oxidn. resistance etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015479A JPS55129495A (en) 1979-02-21 1979-02-21 Diffusion pump oil

Publications (2)

Publication Number Publication Date
JPS55129495A true JPS55129495A (en) 1980-10-07
JPS5727155B2 JPS5727155B2 (en) 1982-06-09

Family

ID=12019229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015479A Granted JPS55129495A (en) 1978-10-27 1979-02-21 Diffusion pump oil

Country Status (1)

Country Link
JP (1) JPS55129495A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62277494A (en) * 1986-05-27 1987-12-02 Japan Atom Energy Res Inst Grease having extremely high resistance to radiation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239438A1 (en) * 1982-10-25 1984-04-26 Alfred Teves Gmbh, 6000 Frankfurt PLASTIC COMPENSATING TANK FOR HYDRAULIC BRAKE SYSTEMS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62277494A (en) * 1986-05-27 1987-12-02 Japan Atom Energy Res Inst Grease having extremely high resistance to radiation

Also Published As

Publication number Publication date
JPS5727155B2 (en) 1982-06-09

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