Patent number: 9187416
Abstract: Described herein is a composition according to formula I or its precursor, formula II: CX1X3?CX2—(R1)p—CZ1 Z2-SO2M (I) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, and wherein at least one of X1, X2, or X3 is a H; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group; p is 0 or 1; and M is a cation; and CX4X1X3—CX5X2—(R1)p—CZ1Z2-SO2M (II) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, wherein at least one of X1, X2, or X3 is a H, and X4 and X5 are independently selected from H, F, Cl, Br and I; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group, p is 0 or 1; and M is selected from F, and a cation.
Type:
Grant
Filed:
December 9, 2011
Date of Patent:
November 17, 2015
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
Zai-Ming Qiu, Gregg D. Dahlke, Tatsuo Fukushi, Werner M. Grootaert, Miguel A. Guerra