{HEAD ~ A rubbery copolymer} of butadiene, styrene and acrylonitrile, if desired, with a tensile strength of about 50 to about 100 psig containing {TAIL ~ a minor amount} of styrene, particularly in combination with selective tackifier resins 
containing
{ HEAD ~ A rubbery copolymer } of butadiene , styrene and acrylonitrile , if desired , with a tensile strength of about 50 to about 100 psig containing { TAIL ~ a minor amount } of styrene , particularly in combination with selective tackifier resins
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH