Fluoroalkyleneether difunctional compounds

Details Fluoroalkyleneether difunctional compounds Fluoroalkyleneether difunctional compounds

1976-10-29

1978-03-28

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11900

Patent

active

040814734

ABSTRACT:
Omega-carbomethoxyperfluoroalkylene ether iodides are reacted with metallic zinc to yield alpha-omega perfluoroalkyleneether diesters. The diesters are reacted with ammonia to form diamides, the diamides are reacted with phosphorus pentoxide to form dinitriles, and the dinitriles are esterified with methanol to form diimidate esters. The diimidate esters are particularly useful as monomers in synthesizing perfluoroalkylene ether bibenzoxazole polymers possessing thermooxidative stability and outstanding low temperature viscoelastic properties.

REFERENCES:
patent: 3523132 (1970-08-01), Dorfman et al.
patent: 3532725 (1970-10-01), Dorfman et al.
patent: 3535351 (1970-10-01), Dorfman et al.
patent: 3557165 (1971-01-01), Dorfman et al.
patent: 3846376 (1974-11-01), Evers
patent: 3903166 (1975-09-01), Evers
patent: 3994861 (1976-11-01), Evers
patent: 4005142 (1977-01-01), Evers

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