In exemplary embodiments of the invention, the branched graft copolymer having a polyolefin main chain may be a polyolefin modified with at least one functional group selected from {HEAD ~ the group} consisting of {TAIL ~ methacrylate groups}, acrylate groups, modified ester groups, C6 C12 arylate groups, acrylonitrile groups, and combinations thereof 
In exemplary embodiments of the invention , the branched graft copolymer having a polyolefin main chain may be a polyolefin modified with at least one functional group selected from { HEAD ~ the group } consisting of { TAIL ~ methacrylate groups } , acrylate groups , modified ester groups , C6 C12 arylate groups , acrylonitrile groups , and combinations thereof
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 HEAD HEAD HEAD HEAD HEAD HEAD REL 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