POLYVINYL ETHER (VARIANTS), METHOD OF PREPARATION THEREOF AND LUBRICATING OIL BASED THEREON FOR RIFRIGERATORS Russian patent published in 1999 - IPC

Abstract RU 2139889 C1

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

Similar patents RU2139889C1

Title Year Author Number
LUBRICATING OIL FOR COMPRESSION REFRIGERATORS (VERSIONS) 1994
  • Tatsuja Egava
  • Jasukhiro Kavaguti
  • Izumi Terada
  • Nobuaki Simizu
RU2139919C1
METHOD OF SYNTHESIS OF ETHER 1993
  • Egava Tatsuja
  • Kavaguti Jasukhiro
  • Mogami Kendzi
  • Simizu Nobuaki
RU2182571C2
LUBRICATING OIL FOR COMPRESSION-TYPE REFRIGERATING PLANTS AND COOLING APPARATUS 1997
  • Ehgava Tatsuja
  • Jamasaki Khirotaka
  • Mogami Kendzi
  • Nagao Satosi
  • Khanda Tojokazu
  • Kaneko Masato
RU2199576C2
COOLING OIL AND METHOD OF LUBRICATING COOLING SYSTEM 1996
  • Tadasi Katafuti
RU2161642C2
LUBING COMPOSITION FOR INTERNAL COMBUSTION ENGINE 2008
  • Ito Koki
RU2469076C2
POLYMER COMPOSITION 1991
  • Akikazu Nakano[Jp]
RU2066681C1
LUBRICATING OIL FOR CONTINUOUSLY VARIABLE TRANSMISSION 2008
  • Sekiguti Khiroki
  • Josida Jukio
  • Oda Sumikhiro
  • Tsubouti Tosijuki
  • Koga Khidetosi
RU2479626C2
LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE 2007
  • Kamano Khideki
RU2447136C2
LUBRICATING OIL COMPOSITION 2007
  • Kamano Khideki
RU2451720C2
DERIVATIVES OF PYRAZOLE AND HERBICIDES CONTAINING THEREOF 1994
  • Mitsuru Sibata
  • Itiro Nasuno
  • Kazuesi Koike
  • Masasi Sakamoto
  • Erijuki Takasima
RU2154063C2

RU 2 139 889 C1

Authors

Tatsuja Egava

Jasukhiro Kavaguti

Kendzi Mogami

Nobuaki Simizu

Dates

1999-10-20Published

1993-05-25Filed