Mixtures comprising fluorinated pyromellitate oligomers...

Details Mixtures comprising fluorinated pyromellitate oligomers... Mixtures comprising fluorinated pyromellitate oligomers...

C - Chemistry, Metallurgy

07

C

260/472.5

C07C 69/76 (2006.01) D06M 13/11 (2006.01) D06M 13/192 (2006.01) D06M 13/213 (2006.01)

Patent

CA 1207787

ABSTRACT OF THE DISCLOSURE A process is disclosed for producing organic oligomeric mixtures useful as fiber surface modifying agents. The process comprises reacting pyromellitic dianhydride with fluorinated alcohols and oxirane compounds to produce organic mixtures containing more than one mole of groups derived from pyromellitic dianhydride per two moles of groups derived from fluorinated alcohol.

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