| http://www.w3.org/ns/prov#value | - For example, compounds satisfying the following generic formulae can be incorporated into polymeric shells employing the invention procedure as described herein: (a) Cx F2x+y-z Az, wherein: x=1-30, preferably 5-15, y=2; or 0 or -2, when x???2; or -4 when x ???4, z=any whole number from 0 up to (2x+y-1), and A is selected from H, halogens other than F, --CN, --OR, wherein R is H, alkyl, fluoroalkyl
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