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US 5,260,492 AGranted
Fluorinated monomers and polymers
AssigneeE. I. Du Pont de Nemours and Company
InventorsAndrew E. Feiring, Bruce E. Smart, Zhen-Yu Yang
Life of this patent
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Abstract
Disclosed herein are novel monomers of the formula CF.sub.2 .dbd.CF(CF.sub.2).sub.n CH.sub.2 OCF.dbd.CF.sub.2, wherein n is 1, 2 or 3, and novel intermediates of the formula CF.sub.2 ClCFCl(CF.sub.2).sub.n CH.sub.2 OCF.dbd.CF.sub.2 wherein n is 1, 2 or 3. Also disclosed is a fluoropolymer containing cyclic units when the monomer wherein n is 1 is free radically polymerized. The polymer is particularly useful in for coatings and encapsulants.
Claims4
A compound of the formula CF.sub.2 .dbd.CF(CF.sub.2).sub.n CH.sub.2 OCF.dbd.CF.sub.2, wherein n is 1, 2 or 3.
Dependencies are inferred from the claim text.