Patent ID: 7858686

Claim:
A heat stabilized polyolefin nanocomposite, comprising: (a) polyolefin, (b) organoclay, (c) compatibilizer, and (d) metal scavenger that stabilize the nanocomposite against heat, wherein the metal scavenger is selected from the group consisting of propionates, hydrazines, EDTAs, tetrahydroxylpropyl ethylenediamine, lignosulfonates, stearoy lactylates, pyridine, methacrylates, tris(nonvlphengl)phosphate, phenol, 4,4′-thiobis 2-(1,1-dimethylethyl) phosphite; tristearvl phosphate, tris neodol-25 phosphite, 4,4′-isopropylidenediphenol alkyl phosphate, and combinations thereof.