Perfluoroalkylated amines, and polymers made therefrom

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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528125, 528188, 528337, C08G 6926

Patent

active

052801039

ABSTRACT:
1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-3,5-diaminoben zene and 1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-4-aminobenzen e, as well as fluorinated polymers, preferably polyimides. The perfuuoroalkyl group of these amines is connected to the benzene ring through a tertiary carbon atom followed by a methylene group. This renders the amines more reactive than other amines, where the perfluoroalkyl group is connected directly to the benzene ring. The absence of hydrogen from the group containing the tertiary carbon atom which is adjacent to the perfluorinated groups, prohibits dehydrofluorination.

REFERENCES:
patent: 5145999 (1992-09-01), Auman et al.
C.A. 109: 149040 (1988) Nakayama et al.
C.A. 108: 94127 (1988) Ikeda et al.

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