The second polymer contains {HEAD ~ a co polymer} having at least 50% α olefin units and is characterized by a number average molecular weight of {TAIL ~ about 7,000 g/mol} to 50,000 g/mol, a viscosity of between about 2,500 and 150,000 cP measured at 170° C., and a melting temperature lower than the melting temperature of the exterior surface portion of the core 
The second polymer contains { HEAD ~ a co polymer } having at least 50 % α olefin units and is characterized by a number average molecular weight of { TAIL ~ about 7,000 g / mol } to 50,000 g / mol , a viscosity of between about 2,500 and 150,000 cP measured at 170 ° C. , and a melting temperature lower than the melting temperature of the exterior surface portion of the core
OTH OTH OTH OTH 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 TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH