Copolyesters with antistatic properties and high clarity
AssigneeEastman Chemical Company
InventorsDouglas Stephens McWilliams, Harold Eugene Dobbs, Scott Arnold Hanson, Emily Tedrow Bell
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Abstract
A novel copolyester composition is provided comprising a copolyester having a melting point less than 250° C. and a quaternary ammonium salt having thermal stability at temperatures greater than 200° C. wherein the composition is characterized as having both antistatic and clarity properties.
Claims34
A copolyester composition comprising a copolyester having a melting point less than 250° C. and a quaternary ammonium salt having thermal stability at a temperature greater than 200° C. wherein the quaternary ammonium salt is present in an amount ranging from about 0.6 to about 1.5 weight percent based on the weight of the total composition.
Dependencies are inferred from the claim text.