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2 064 916

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C1

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IPC

(21) (22)

Application

94026828/04, 1994-07-18

(22)

Actual filing date

1994-07-18

(45)

Published

1996-08-10

(72)

Inventor

Platonov V.E.Osina O.I.

(73)

Holder

Novosibirskij Institut Organicheskoj Khimii So Ran

METHOD OF SYNTHESIS OF POLYFLUOROCHLOROBENZENE MIXTURE Russian patent published in 1996 - IPC

Abstract RU 2064916 C1

FIELD: chemical technology, organic chemistry. SUBSTANCE: mixture of polyfluorochlorobenzenes is synthesized by pyrolysis of dichlorofluoromethane in the presence of water vapor in tube reactor made of copper, quartz, stainless steel and ceramic at 690-860 C. Pyrolysis carrying out in the presence of metal fluoride additions (sodium or copper), cupric, bronze or nickel chip or graphite increases the content of highly fluorinated benzene derivatives in mixture. Product is used for coolant liquid, plasticizer, thermoplastic producing. EFFECT: simplified process, increased yield. 2 cl

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RU 2 064 916 C1

Authors

Platonov V.E.

Osina O.I.

Dates

1996-08-10—Published

1994-07-18—Filed

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