{HEAD ~ The second layer} contains {TAIL ~ a second polymer}, where the second polymer comprises a co polymer having at least 50% α olefin units and is characterized by a number average molecular weight of 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 
contains
{ HEAD ~ The second layer } contains { TAIL ~ a second polymer } , where the second polymer comprises a co polymer having at least 50 % α olefin units and is characterized by a number average molecular weight of 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
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 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