In one advantageous embodiment, the self adhesive polymer is {TAIL ~ a polymer} formed from a monomer mixture which comprises acrylic acid derivatives each having at least one functional group from the group consisting of cyano groups and {HEAD ~ nitro groups} 
In one advantageous embodiment , the self adhesive polymer is { TAIL ~ a polymer } formed from a monomer mixture which comprises acrylic acid derivatives each having at least one functional group from the group consisting of cyano groups and { HEAD ~ nitro groups }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD