in direct incorporation of the aliphatic groups into the backbone in a random block pattern z 5 u2014 r 1 u2014 z 6 z 7 u2014 r 2 u2014 z 8 z 9 u2014 r 3 u2014 z 10 fig4 z 5 z 6 z 7 z 8 z 9 z 10 functional groups such that z i must be capable of reacting with at least one z n to incorporate the r j functionality into the molecule for block copolymers only one of z 5 z 6 must be reactive r 1 monomer or block copolymer unit containing the polysiloxane moiety substituted or non substituted linear or branched r 2 any linear or branched saturated or unsaturated substituted or non substituted aliphatic hydrocarbon containing at least one secondary amine group r 3 any linear or branched saturated or unsaturated substituted or non substituted aliphatic hydrocarbon suitable monomers for incorporating r 2 include but are not limited to the following two specific synthetic approaches are illustrated in fig5 and 6 note that only a portion of secondary amine groups need to be reacted with epichlorhydrin typically 10 50 mole of the secondary amine groups will be reacted upon in such a manner where solubility in aqueous solutions is a concern a hydrophilic monomer may also be incorporated into the backbone to counteract any hydrophobicity introduced through addition of the aliphatic hydrocarbon moieties an.