C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/488
C07C 69/63 (2006.01) C07C 59/60 (2006.01) C07C 69/708 (2006.01) C07C 69/734 (2006.01)
Patent
CA 1130313
ABSTRACT OF THE DISCLOSURE Alkyl perfluoro-.omega.-fluoroformyl esters are provided which have the formula: Image wherein R is alkyl of 1-6 carbon atoms, and n is 0-6 (preferably 0). Compounds where n is 0 are prepared by contacting SO3 with a compound of the formula ROOC-CF2-CF-OR1. Compounds where n is 1-6 are prepared by contacting a compound where n is 0 with hexafluoropropylene oxide. Also provided are polymerizable monomers having the formula: Image wherein Y is -COOR, -COOH, -COOM or -CN, where M is an alkali metal, ammonium or quaternary ammonium and p is 1-5, prepared from alkyl perfluoro-.omega.-fluoroformyl esters of this invention.
301618
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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