In one advantageous embodiment, {HEAD ~ 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 nitro groups 
is
In one advantageous embodiment , { HEAD ~ 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 nitro groups
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH