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