FIELD: chemical industry. SUBSTANCE: polyvinyl ehter having end groups and molecular weight of 300-1200 is prepared by polymerization of vinyl ether in the presence of initiator, e.g. water, alcohol, phenol, acetal and Brensted acid catalyst or organometallic compounds. Polyvinyl ether is used as lubricating oil for compressor type refrigerators. Polyvinyl ether based lubricating oil is nicely miscible with freons, has superb stability and lubricating properties. EFFECT: improved quality of lubricating oil. 29 cl, 43 ex, 53 dwg, 3 tbl
Title | Year | Author | Number |
---|---|---|---|
LUBRICATING OIL FOR COMPRESSION REFRIGERATORS (VERSIONS) | 1994 |
|
RU2139919C1 |
METHOD OF SYNTHESIS OF ETHER | 1993 |
|
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LUBING COMPOSITION FOR INTERNAL COMBUSTION ENGINE | 2008 |
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POLYMER COMPOSITION | 1991 |
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RU2066681C1 |
LUBRICATING OIL FOR CONTINUOUSLY VARIABLE TRANSMISSION | 2008 |
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LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE | 2007 |
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DERIVATIVES OF PYRAZOLE AND HERBICIDES CONTAINING THEREOF | 1994 |
|
RU2154063C2 |
Authors
Dates
1999-10-20—Published
1993-05-25—Filed